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Allen Heath GL3300

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Comments to date: 7. Page 1 of 1. Average Rating:
ksam 5:38pm on Tuesday, October 26th, 2010 
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Blackberry Curve 8330 is a good mobile unit to have. True to its name, the curve-y QWERTY keypad is very functional as it is easy to use. Love the GPS on this phone.
sigmasvn 9:52pm on Sunday, September 5th, 2010 
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viagra-kaufen 10:40am on Sunday, September 5th, 2010 
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thebrotherofasis 6:45am on Saturday, July 3rd, 2010 
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Documents

doc0

DUAL FUNCTION AUDIO MIXING CONSOLE

USER GUIDE

PUBLICATION AP3102
LIMITED ONE YEAR WARRANTY
This product has been manufactured in the UK by ALLEN & HEATH and is warranted to be free from defects in materials or workmanship for a period of one year from the date of purchase by the original owner. To ensure the high level of performance and reliability for which this equipment has been designed and manufactured please read this User Guide before use. In the event of a failure notify and return the defective unit to ALLEN & HEATH or its authorised agent as soon as possible for repair under warranty subject to the following conditions:

CONDITIONS OF WARRANTY:

1. The equipment has been installed and operated in accordance with the instructions in the User Guide. 2. The equipment has not been subject to misuse either intended or accidental, neglect, or alteration other than as described in the User Guide or Service Manual, or approved by ALLEN & HEATH. 3. Any necessary adjustment, alteration, or repair has been made by ALLEN & HEATH or its authorised agent. 4. The defective unit is to be returned carriage prepaid to ALLEN & HEATH or its authorised agent with proof of purchase. 5. Units to be returned should be packed to avoid transit damage. These terms of warranty apply to UK sales. In other territories the terms may vary according to legal requirements.
This product complies with the European Electromagnetic Compatibility Directives 89/336/ EEC & 92/31/EEC and the European Low Voltage Directives 73/23/EEC & 93/68/EEC.

Manufactured In England

ALLEN & HEATH Kernick Industrial Estate, Penryn, Cornwall, TR10 9LU, UK http://www.allen-heath.com
A DIVISION OF HARMAN INTERNATIONAL INDUSTRIES Ltd.

Allen & Heath agent:

copyright 1997 ALLEN & HEATH. All rights reserved 2
Publication. AP3102 Issue 1

GL3300 USER GUIDE

INTRODUCTION
The GL3300 continues ALLEN & HEATHs commitment to provide high quality audio mixing consoles engineered to meet the exacting requirements of todays audio business. It brings you the latest in high performance technology and offers the reassurance of over two decades of console manufacture and customer support. This user guide presents a quick reference to the function, application and installation of the GL3300. For further information on the basic principles of audio system engineering please refer to one of the specialist publications available from bookshops and audio equipment dealers. Whilst we believe the information in this guide to be reliable we do not assume responsibility for inaccuracies. We also reserve the right to make changes in the interest of further product development.
SERVICE AND TECHNICAL SUPPORT
Under normal conditions the GL3300 does not require user maintenance or internal calibration. Any service work required should be carried out by qualified service personnel only. We are able to offer further product support through our worldwide network of approved dealers and service agents. To help us provide the most efficient service please keep a record of the console serial number, and date and place of purchase to be quoted in any communication regarding this product.

SAFETY WARNING

Mains electricity is dangerous and can kill. Mains voltage is present within the power supply unit provided with the console. Do not remove the power unit cover with mains connected. The correct mains voltage setting is indicated on the rear of the power unit. Check your mains wiring and earthing before switching on.
DO NOT REMOVE THE MAINS EARTH CONNECTION!
The console chassis is connected to mains earth to ensure your safety. Audio 0V connects to the console chassis internally. Should problems be encountered with ground loops operate the audio ground lift switches on connected equipment accordingly or disconnect the cable screens at one end. Refer to the section on 'EARTHING' later in this User Guide.

PRECAUTIONS.

l l AC POWER: Check the power unit for correct AC mains voltage setting before switching on. Allow adequate space around the unit for ventilation.
CONNECTIONS: Use audio connectors and cables only for their intended purpose. Do not connect any source of AC or DC power to the console audio connectors. Do not connect the output of power amplifiers directly to the console. CLEANING: Avoid the use of chemicals, abrasives and solvents. The control panel is best cleaned with a soft brush and lint-free cloth. To remove stubborn marks (such as chinagraph pencil) isopropyl alcohol may be used.
LUBRICATION: The faders, switches and potentiometers are lubricated for life. The use of electrical lubricants on these parts is not recommended. DIRT, DUST, SMOKE and MOISTURE: Prevent damage to the moving parts, such as faders and potentiometers, and cosmetics by avoiding drinks spill age, tobacco ash and smoke, and exposure to rain and condensation. Protect from excessive dirt, dust, heat and vibration.

INSTALLING THE POWER SUPPLY UNIT
Refer to the SAFETY WARNING on the first page of this User Guide.
The RPS9 Power supply is provided with the GL3300 to convert the AC mains voltage to the regulated positive and negative DC voltages required to power the console. It also supplies the +48V DC phantom power voltage for use with certain microphones. It connects to the console by means of a 2.5 metre DC power cable fitted with a locking 5 pin XLR plug. Mains input to the RPS9 is via a mains cable with moulded plug suitable for the local supply. A standard 3 pin IEC connector plugs into the RPS9 mains in socket with integral voltage selector and AC mains fuse. The RPS9 may be operated free standing or 19" rack mounted (2U height) up to 2 metres away from the console. As with any power supply unit it is recommended that it is positioned away from the console or other signal processing equipment containing sensitive low level audio signals to avoid any possible hum pickup. Check that the voltage indicated in the fuseholder window is the same as the mains supply in your area. AC mains supply = 100 to 110 V.AC AC mains supply = 110 to 125 V.AC AC mains supply = 210 to 230 V.AC AC mains supply = 235 to 260 V.AC T 3.15A T 3.15A T 1A T 1A 20mm fuse 20mm fuse 20mm fuse 20mm fuse
To avoid the risk of fire replace the fuse only with the correct type and value as specified on the unit.
It is normal for the power unit to dissipate heat. Ensure adequate ventilation around the unit. Do not cover the unit or position it on soft furnishings during operation. Do not position other equipment known to generate significant amounts of heat below the unit. It is recommended that rack units containing high power amplifiers and other heat dissipating equipment are fitted with cooling fans.
Always switch the power unit off before connecting or disconnecting the console power cable.
This unit contains no user serviceable parts. Do not remove the cover. Refer servicing to qualified service personnel only. Note: The RPS9 is fitted with a rear panel ground lift switch. This is for use when the unit powers certain other Allen & Heath equipment. This switch is not operative on the GL3300 range. Refer to the section on 'EARTHING THE AUDIO SYSTEM'. The RPS9 power supply unit conforms to safety standard

EN 60065

EARTHING THE AUDIO SYSTEM
The console chassis is connected to mains earth via the DC power cable. Audio 0V is connected to the chassis and therefore mains earth. In this way all signal returns and connector shields are connected to mains earth at the console. To ensure operator safety do not remove the earth connection from the power supply mains plug. For best performance it is important that the earth system is solid, clean and noise-free. To prevent mains born and external interference pickup from lighting equipment, motors and other mains powered equipment it is recommended that a separate 'clean' mains distribution outlet is used for the audio system. All signal cables should have their screens connected to earth at the connector. If earth (ground) loop problems result in audible hum or buzz then disconnect the cable screen connection at one end, usually the destination end. This may be done within the cable plug or by operating the 'ground lift' switch if available on the connected equipment. Many DI boxes and power amplifiers include this facility.

PLUGGING UP THE CABLES

Where possible use balanced connections to prevent noise and interference pickup especially on long microphone cable runs. Avoid running audio cables next to mains, computer or lighting cables, or near thyristor dimmer units, power supplies etc. The use of low impedance sources such as good quality microphones of 200 ohms or less significantly reduces interference pickup. Many problems can be avoided by taking time to check that all cables are correctly wired (in-phase) with professional quality cable and carefully soldered joints. The following wiring convention is used: XLR pin 1 = 0V earth shield pin 2 = hot (+ve - in phase signal) pin 3 = cold (-ve - out of phase signal) 1/4" jack tip ring = hot / +ve/signal / left / send = cold /-ve/ 0V / right/ return

sleeve = 0V earth shield

To connect an unbalanced source to a balanced console input, link the cold input (XLR pin 3 or jack ring) to 0V earth (pin 1 or jack sleeve) at the console. To connect a balanced console output to an unbalanced destination link the cold output to 0V earth at the console.
Switch off the input channel +48V when using non-phantom powered, line or unbalanced sources.

ADJUSTING THE LEVELS

For best performance it is important that the connected source signals are matched to the "normal operating level" of the console. Similarly the console outputs should be correctly matched to the operating levels of the connected amplifiers and destination equipment. If too high the signal peaks will be clipped resulting in a harsh distorted sound, and if too low the signal-to-noise ratio is reduced resulting in excessive background hiss. For best results operate the console with the meters averaging '0' or just below and allowing the loudest passages and occassional peaks into the 'yellow'. Reduce the gain if the peak indicators flash (red). The GL3300 produces a standard XLR output level of +4dBu for a meter reading of 0VU. It is advisable to adjust the power amplifier input gain or fit an attenuator pad if normal console operation results in an output level too high for the connected amplifier. Normal operation should result in fader levels around the '0' mark. The GL3300 has an advanced PFL (pre-fade listen) / AFL (after-fader listen) and channel metering system to let you listen to and check the level of signals at different points in the signal path without affecting the main outputs. Use the channel PFL switches to set up the input GAIN controls to read an average '0' (yellow LED). Signal activity is always shown on the channel meters regardless of fader mute switch position. The green 'SIG' LED lights at -20dBu to indicate signal presence, the green '0' LED indicates normal level, and the red 'PEAK' LED warns of potential overload 5dB before clipping.

There are a range of options and accessories available for the GL3300 range. All are supplied complete with fixings and installation and operating instructions. Contact your nearest Allen & Heath dealer if you wish to purchase an option or accessory.

VU meterbridge

The VU meterbridge is designed for use in all lighting conditions and monitors Groups (Aux) 1-8, Left, Right and Mono/PFL signal levels. It fits onto the rear extrusion beam of the console and is full length. The meterbridges are available in 3 sizes. Please note, there is no meterbridge option avaiable for the 16 channel frame.
GL3300-M24 VU METERBRIDGE To fit GLinput channel console GL3300-M32 VU METERBRIDGE To fit GLinput channel console GL3300-M40 VU METERBRIDGE To fit GLinput channel console Order Code: GL3300-M24

Order Code: GL3300-M32

Order Code: GL3300-M40

Expander

The GL3300 can be expanded up to a maximum of 40 input channels. The expander is an 8 channel wide bolt on module with full function input channels and soft armrest.It can be fitted to the left or right hand side of the console depending on the console format. The expanders are available in 4 different formats.
8 MONO INPUT CHANNEL EXPANDER

Order Code: GL3300-8M

8 STEREO INPUT CHANNEL EXPANDER

Order Code: GL3300-8S

4 MONO & 4 STEREO INPUT CHANNEL EXPANDER

Order Code: GL3300-4MS

4 STEREO & 4 MONO INPUT CHANNEL EXPANDER

Order Code: GL3300-4SM

SYS-LINK Buss Expander Kit
The SYS-LINK expander option allows console to console interconnection by means of just two cables. By connecting two GL3300 consoles together or to any other A&H console fitted with the SYS-LINK option, the number of input channels can be increased. One console acts as a channel expander (slave) to the second (master). Please note, the SYS-LINK option kit requires the installation and wiring of a circuit board (PCB) assembly and should only be fitted by technically competent service personnel
SYS-LINK BUSS EXPANDER KIT

Order Code: GL3300-SL1

(for one console only)

8 Group Output option Kit
The 8 Group Output option allows direct access to all 8 groups in the console. This is in addition to group outputs 5-8 on XLR connectors on the rear panel. This option uses one of the SYS-LINK connector mounting holes and may need to be repositioned if the SYS-LINK option is already fitted. Please note, the 8 Group Output option kit requires the installation and wiring of a circuit board (PCB) assembly and should only be fitted by technically competent service personnel
8 GROUP OUTPUT OPTION KIT

Order Code: GL3300-8GD

RPSD2 Dual Supply Combiner
The RPSD2 is designed to monitor the DC power supply to the GL3300 console. With an additional power supply the RPSD2 will quickly and silently change over to the backup supply should the original power supply fail.
RPSD2 DUAL SUPPLY COMBINER RPS9 POWER SUPPLY
Order Code: RPSD-2/3K Order Code: RPS9/Volts
(additional power supply for use with RPSD2)

GL3300 Flightcase

For regular touring and transportation the GL3300 can be fitted into a robust light weight aluminium flightcase. Two types are available, one with the meterbridge permanently fitted to the console and one with the meterbridge disconnected and stored inverted onto the rear extrusion beam. The second version is also suitable if no meterbridge is supplied. Each version of flightcase includes space for the RPS9 power supply and mains cable
GL3300-816 FLIGHTCASE (meterbridge not fitted)

Order Code: AN2544

Dims: 980x740x280mm
GL3300-824 FLIGHTCASE (meterbridge not fitted)

Order Code: AN2545

Dims: 1230x740x280mm
GL3300-824 FLIGHTCASE (meterbridge fitted)

Order Code: AN2671

Dims: 1230x740x360mm
GL3300-832 FLIGHTCASE (meterbridge not fitted)

Order Code: AN2546

Dims: 1490x740x280mm
GL3300-832 FLIGHTCASE (meterbridge fitted)

Order Code: AN2670

Dims: 1490x740x360mm
GL3300-840 FLIGHTCASE (meterbridge not fitted)

Order Code: AN2547

Dims: 1740x740x280mm
GL3300-840 FLIGHTCASE (meterbridge fitted)

Order Code: AN2669

Dims: 1740x740x360mm

Miscellaneous

Please contact your nearest Allen & Heath dealer for the parts listed below.
GL3300 SERVICE MANUAL GL3300 SPARES KIT MAINS LEAD - EUROPE (2PIN)
Order Code: AN3103 Order Code: 002-279 Order Code: AH0205

(RPS9 power supply)

MAINS LEAD - USA C33 (3PIN)

Order Code: AH0323

MAINS LEAD - UK (3PIN)

Order Code: AH0206

INPUT CHANNELS
For line sources on XLR simply plug into the XLR with the jack socket unplugged. Plug in a microphone or line level source. Use balanced cables where possible to prevent interference pickup on long cable runs. Unbalanced sources may be connected by linking signal cold to ground (XLR pin 3 to pin 1, jack ring to sleeve) at the connector. For line sources on XLR simply plug into the XLR with the jack socket unplugged.

STEREO

Use the PFL system to listen to the signal and fine tune the gain setting.
Switch off channel +48V when the inputs are connected to nonphantom powered, line or unbalanced sources.
For balanced microphones which require phantom power select +48V. If required this switch may be disabled by an internal link.
PHASE reverses the phase of the input source to correct the phase differences often encountered in microphone placement, or due to incorrectly wired cables (pin 3 hot instead of pin 2). May also be used to minimise acoustic feedback between closely positioned loudspeakers and mics in live sound mixing. The stereo L reverses the left input phase only to correct for differences between left and right signals, or for MS microphone techniques.
MIC/LINE selects line sensitivity on the jack input when pressed. Or becomes a 20dB pad for the XLR input when no jack is plugged in. GAIN matches the level of the input source to the normal operating level of the console. Adjust this to read an average '0dB' on the channel meter (yellow LED). Use the PFL system to listen to the signal and fine tune the gain.
Separate GAIN controls for L and R inputs let you adjust the balance between the sources, or treat each as a separate source. Both L and R up gives you a true stereo channel. Press both to mono the source. Press just one to select one side only as a mono source.
Plugging a jack into the INSERT socket breaks the signal path between the input preamp/filter and the EQ to let you add an external signal processor such as a compressor or noise gate into the channel signal path Use a suitable Y-lead or suitable TRS jack lead to connect to the external processor.
100Hz lo-cut filter removes low frequency noise such as microphone pops, stage noise and transport rumble before the pre-amp stage. The lo-cut filter is independent of the equaliser. The 4-band EQ lets you adjust the tonal quality of the sound in 4 separate bands. HF (treble) and LF (bass) are shelving while the 2 mid bands MF1 & MF2 are peak/dip with a Q of 1.6. This is optimum for both corrective and creative equalisation. The controls are centre detented for centre flat response. Press EQ IN to switch the EQ into the signal path. The 2 mid frequency bands on the mono input channel may be swept across a wide frequency range to tune into the exact frequency required. The mid bands are overlapping to provide additional cut or boost when required. The EQ on the stereo inputs has the 2 mid frequencies at 250Hz and 2.5kHz. This provides optimum control over boomy or boxy sounds (MF2), and to add presence and sparkle to vocals etc. (MF1). The stereo channels are well suited to stereo miking, dual mic mixing, or returning keyboards and effects processors to the mix and monitors.

8 AUX SENDS

8 AUX SENDS provide ample feeds for foldback monitors and effects. These are in two groups of four each with a POST/PRE switch to source the sends either pre-fader or post-fader. AUX 1-4 feed balanced XLR outputs capable of driving long cable runs and include INSERT points. These are normally used to provide MONITOR SENDS to the performers and stage crew, although they can be used for additional effects. Plug a graphic EQ into the insert to 'ring out the monitor' (tune) to the stage acoustics to minimise feedback. The effect of the EQ can be listened to using the aux master AFL system. Monitor sends are usually set pre-fade, although some sources such as radio mics can be set post-fade to avoid 'dressing room' talk spill. Note stereo input channel aux sends are the mono sum of left and right. AUX 5-8 feed jack outputs and are normally used to provide EFFECTS SENDS to external devices such as reverb and delay effects units. Effects sends are set post-fade so that the amount of effect (wet signal) is always relative to the position of the fader (dry signal). Adjust the amount of effect required for each channel using its AUX control. The effect is returned to the mix through another channel, usually the stereo return described later in this guide. Note; when the GRP/AUX REVERSE 5-8 switches are pressed in the master section AUX SENDS 5-8 feed XLR outputs with inserts. GROUPs 5-8 are rerouted to AUX 5-8 jack outputs. POST-FADE sends are always post-EQ, post-mute. PRE-FADE sends are set post-EQ, post-mute as standard, but may be internally reset to be pre-EQ, pre-mute or post-EQ, pre-mute. Each AUX SEND may be internally set to be permanently pre or post-fade rather than follow the panel switch. Refer to the Internal Link Options section in this user guide. PAN positions the channel signal between the Left L and Right R outputs when the L-R ROUTING switch is pressed. PAN also positions the channel signal between the ODD groups e.g. 1, 3, 5, 7 and EVEN groups e.g. 2, 4, 6, 8 when the ROUTING switches are pressed. This lets you position the sounds within a stereo image. In this way subgroups may be set up in mono by turning the PAN fully left L or right R or in stereo by setting PAN between L and R to feed a pair of groups. MUTE switches the signal off when pressed. A muted channel is indicated by the illuminated switch. The channel meter continues to indicate pre-mute and fader channel activity. The mute switch also illuminates when the channel is muted by one of the 4 MUTE GROUPs. Switches M1, M2, M3, M4 next to the fader, assign which mute group the input channel will be assigned to. This is controlled by the MUTE GROUP switches located in the master section. A 100mm long throw FADER provides +10dB boost above the normal '0' operating level. A 3 LED CHANNEL METER system shows signal activity at all times. The green SIG LED indicates signals greater than -20dBu, the yellow '0' LED represents normal operating level, and the red PEAK LED warns of potential overload 5dB before clipping. Set the channel so that the meter averages '0'. Back the gain off if the red peak LED flashes. Pressing PFL automatically interrupts the headphone monitor signal to let you listen to the channel pre-fader signal without interrupting the main console outputs. The signal level is shown on the LR monitor bargraph meters, and on the Mono/PFL meter if the optional meterpod is fitted. In this way each sound can be correctly lined up and checked at any time. DIRECT OUT taps the signal off post fader for connection to external processing or recording equipment. This is ideal for multitrack recording during live performance as each channel can be recorded onto a separate track for mixdown later. The direct out signal can be set pre-fader if the internal link option is changed. Refer to the Internal Link Options section in this user guide. 12

Normal fader position

AUX SENDS

MONITORS

EFFECTS

GROUPS

AUX 1-4 balanced outputs feed foldback monitors with graphic EQ on INSERT to tune out acoustic resonances or to minimise feedback. AFL lets you check the output signal after the insert and master level control.
AUX 5-8 jack outputs to send selected signals to external effects devices.

MODE SWITCHES

Decide your required console configuration and set these recessed switches using a pen tip or similar. Press REVERSE to swap the group fader section with the aux master section. This represents 'MONITOR MODE' where the aux mix is on the fader with METER, AFL, MUTE, balanced XLR output and INSERT for full control of the monitor mix. AFL lets you listen to and check the effect of the inserted graphic EQ or similar processing device. In this mode the group mix is available on the aux master controls to feed the jack outputs, as well as the subgroup section. Mix and match this fader section as you require. For example you could have 2 as monitor sends, 4 as subgroups, and 2 as additional outputs.
These PAN settings show subgroup 1-2 as a stereo pair, and subgroup 3-4 panned off centre to slightly close the stereo image, useful when the speaker stacks are widely spaced and the front rows of the audience may be confused by a full stereo image.
GROUPs 5-8 are available on balanced XLR outputs to drive long cable runs. INSERTS are provided on all 8 groups to insert signal processing devices such as compressor/limiters into the signal path. Use these outputs as additional speaker feeds or for recording. In 'MONITOR MODE', GROUPs 58 become AUX 5-8 outputs to provide a total of 8 dedicated stage monitor sends on XLR with inserts. MUTE switches the signal off. Muted groups are indicated by red LEDs. AFL lets you check the output signal after the insert and fader control. Each group has 4 way LED metering providing signal presence indication and peak warning which illuminates approximately 5dB before clipping. The subgrouping is always fed from the group mix regardless of GRP/ AUX REVERSE. All the XLR outputs operate at a nominal high level +4dBu. Ensure correct matching to external equipment.

SUBGROUPING

Using subgroups lets you group similar sounds together under control of a single fader (mono subgroup), or panned pair of faders (stereo subgroup). For example, the mics on a drum kit (kick, snare, overheads, toms), backing vocals, stage mics, orchestral wind section etc. Select L-R ON to route a group to LR as a subgroup. Position the signal within the stereo image using PAN.

STEREO RETURNS

The L and R inputs are on individual jack sockets. Sensitivity is for line level signals of -10dBV and more. For a mono source plug into the L input only.
2 Stereo return inputs are provided to return the effects ('wet') signal, usually from a stereo device, to the mix. These are normally routed to the main LR mix but may be returned to the corresponding pairs of subgroups for group effects (1-2 or 3-4). These inputs may also be used as additional line inputs, or as external inputs to the matrix mix by selecting A-B. The BAL control adjusts the balance between left and right signals, or can be used as a pan control to route the signal to one side only by rotating fully. A smooth travel 60mm fader provides precise control of the level.
TALKBACK Recording from the GROUPS
There are two ways or recording from the groups. One is to connect the multitrack inputs to the group INSERT send and link the send and return (jack tip to ring) together. Alternatively, install the 8 group output option. All outputs are impedance balanced +4dBu or -10dBV and available on a single 25 way D type connector on the rear panel. (Refer to the Options and Accessories section.) Balanced XLR input for a gooseneck (or cable) microphone for the operator to talk to the aux sends (foldback monitors). +48V may be enabled by means of an internal link for microphones which require phantom power. Refer to the Internal Link Options section in this user guide Talk to the required aux mix by pressing and holding the appropriate switch. Talk to several at the same time by holding down a combination of switches. The ability to talk to individual auxes is important when using the console for stage monitoring and cueing the performers.

MATRIX

Two matrix outputs A and B are provided. These are additional outputs on TRS jacks controlled by 60mm smooth travel FADERS and with AFL monitoring to check the post fader signal. The matrix mix is created from the 8 groups, L and R by adjusting the MTX level controls. These signals are fed post their respective faders. Note that in 'MONITOR MODE' (REVERSE selected) the matrix is still fed from the groups (now routed via the aux masters). External inputs to the matrix are available from the adjacent stereo returns. The matrix outputs can be balanced by fitting the balance option, refer to the Internal Link Options section in this user guide. The matrix outputs satisfy a host of applications. Traditionally the matrix has been used to feed additional speaker systems such as auditorium balcony speakers. These are fed through delay units to compensate for acoustic delay due to the distance from the main speakers. Here the balance of the mix may be slightly different from the main speakers, for example vocal light to keep the vocals nearer the stage. Adjusting the balance of the groups to the matrix achieves this. Another example is live sound recording where the PA mix may be necessarily lacking in bass due to the acoustic output of the orchestra or 'backline'. Compensate for this by recording from the matrix with the group feeds adjusted for an even recording balance.

MUTE GROUPS

MUTE GROUPs let you mute a selected combination of channels with a single key press. Applications include muting unused channels when mixing different bands, muting all channels except 2-track playback during intermission, muting effects, muting a bank of radio mics during an instrumental number, muting stage mics during scene changes etc.
The GL3300 includes 4 MUTE GROUPs controlled by a bank of 4 large illuminated buttons between the Group and L-R faders. These latching switches may be selected one at a time or together. To set up a mute group, press one of the mute group selector switches M1, M2, M3, M4 on the input channels. Now press the corresponding mute group switch in the master section. The mute group switch and the channel mute switch will illuminate and the input channel signal will be muted. An input channel can be a member of more than one mute group by simply pressing another channel mute group selector switch.

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MUTE GROUP
Plug in a 12V gooseneck lamp to provide illumination of the control panel. This should be a BNC connector type.

2-TRACK

Individual jack sockets are provided for left and right inputs (returns) from and outputs (sends) to a stereo recorder such as a DAT or cassette machine. Alternatively the RETURN may be used for stereo intermission replay from a CD or similar to the main mix by pressing L-R. An LED warns that replay is on. The SEND may be used for recording the performance in stereo, or to feed alternative speakers, drive an induction loop hearing aid system, or to feed a stereo broadcast etc. The send is connected post L-R faders as standard. Separate send and return level controls adjust the signal to the required line level and sensitivity. The console can work with both high (+4dBu) and low (-10dBV) level equipment.

PHONES MONITOR

Plug in stereo headphones (30 to 600 ohms recommended) under the armrest. Adjust the LEV control for comfortable listening level. The phones and 12 segment bargraph meters normally monitor the post-fade L-R mix. Press 2-TRK to monitor the return from a stereo recorder if connected. Pressing AFL anywhere on the console automatically overrides the monitor with the selected AFL signal. Pressing PFL overrides both the monitor source and any selected AFL. This feature lets you listen to an AFL source, group for example, and check channel signals simply by pressing and releasing the required PFL buttons. PFL or AFL selected is indicated by means of a large red LED above the meters.

ON STAGE MONITOR

LR SUM AFL /PFL

MONITOR MODE

Press the mode switch for STAGE MONITOR application. The mono out XLR now feeds the monitor engineers 'listen wedge' speaker. It is advisable that the same type of loudspeaker is used for this as those used for the stage monitors themselves. Select your required application: LR sum mono out FOH, or AFL interrupted by PFL, STAGE MONITOR.

L,R,M OUTPUTS

The main L and R outputs are individually controlled on two 100mm long throw faders. The outputs are balanced XLR to drive long cable runs. INSERT points are provided so that signal processors such as compressors or limiters may be patched into the signal path. Left and right signals are summed together to feed the balanced XLR MONO output which may be used to feed a centre fill speaker system, provide a mono broadcast or recording feed, or work a mono PA with capability for stereo recording. The MONO output is post fade but can be set pre-fade by changing internal link options.

DIMENSIONS

Width master section Weight
GL3300-816.. 771mm. 21kg GL3300-824.. 1026mm.. 29kg GL3300-832.. 1281mm.. 37kg GL3300-840.. 1536mm.. 45kg GL3300-expander. 255mm. 8kg
Stereo inputs fitted to right of master section Note: Stereo inputs are not available on 16 channel console.

GL3300 CONSOLE

NOTE: When fitted in a flightcase, support the rear of the console along the lower extrusion beam and not the side trim plates.

RPS9 POWER SUPPLY

weight 5kg
RPSD2 DUAL SUPPLY COMBINER

weight 2.5kg

PACKING DIMENSIONS
PACKED MEASUREMENTS in mm. LENGTH DEPTH WIDTH WEIGHT in Kg (lbs)
GL3300- 816.. 1312.. 335. 795. 38 (84) GL3300- 824.. 1312.. 335. 795. 45 (99) GL3300- 832.. 1823.. 335. 795. 55 (121) GL3300- 840.. 1823.. 335. 795. 59 (130) GL3300 Expander. 78.. 310. 45. 11 (24) GL3300- M24 Meterbridge. 1250.. 130. 230. 4 (9) GL3300- M32 Meterbridge. 1270.. 130. 230. 5 (11) GL3300- M40 Meterbridge. 1540.. 130. 230. 6 (13) RPSD2.. 560.. 70.. 377. 4 (9) RPS9 SPARE.. 532.. 270. 185. 7 (15)

INTERNAL LINK OPTIONS

The console is set to satisfy most applications that should be encountered. However, the following internal link options are offered to provide alternative settings for those applications that may require them. These options involve resoldering of circuit board links and should only be carried out by competent technical personnel. Further information is available in the GL3300 SERVICE MANUAL and from your agent.

MONO INPUT

1. Reconfigure each aux as required to be permanently pre-fade or post-fade rather than switched by the front panel PRE/POST switch. 2. Reconfigure the pre-fade sends to be postEQ / pre-mute, or pre-EQ / post-mute, instead of the standard post-EQ / post-mute. 3. Disable +48V phantom power regardless of panel switch position - remove link. 4. Reconfigure Direct Out to be pre-fader instead of post fader.

STEREO INPUT

1. Reconfigure each aux as required to be permanently pre-fade or post-fade rather than switched by the front panel PRE/POST switch. 2. Reconfigure the pre-fade sends to be postEQ / pre-mute, or pre-EQ / post-mute, instead of the standard post-EQ / post-mute. 3. Disable +48V phantom power regardless of panel switch position - remove link.
1. Reconfigure the LR sum source (mono) from post LR faders to pre faders. 2. Enable +48V phantom power to talkback mic input - fit link.
1. Fit Matrix out balance option for jack output tip = hot, ring = cold. Remove two links and plug in balance driver IC. 2. Reconfigure the feed to the optional VU meterpod to follow the aux master rotary control rather than the group fader - remove two resistors and link two pairs of pads with a length of wire.

doc1

ORDERING SPARE PARTS

ORDERING A CONSOLE
To order a new console please specify the model number and AC mains voltage required. Refer to the Standard Consoles section for more detail. MODEL GL3300-816A/D GL3300M-824A/B/C/D/E GL3300M-832A/B/C/D GL3300M-840A/B/C/D DESCRIPTION 16 Mono Channel console + Power Supply 24 Input channels with integral meterbridge + Power Supply 32 Input channels with integral meterbridge + Power Supply 40 Input channels with integral meterbridge + Power Supply ORDER CODE GL3300-816n/volts GL3300M-824n/volts GL3300M-832n/volts GL3300M-840n/volts

ORDERING AN OPTION

To order an option please specify the model number and AC mains voltage required. Refer to the Standard Consoles section for more detail. GL3300-M24 GL3300-M32 GL3300-M40 GL3300-8M GL3300-8S GL3300-4SM GL3300-4MS GL3300-SL1 GL3300-8GD RPSD2 RPS9 RPS11 Meterpod to fit 24 channel console Meterpod to fit 32 channel console Meterpod to fit 40 channel console 8 Mono Input channel Expander kit 8 Stereo Input channel Expander kit 4 Stereo & 4 Mono Input channel Expander kit 4 Mono & 4 Stereo Input channel Expander kit GL3300 SYS-LINK kit GLGroup Output kit Dual supply Combiner / Monitor Power Supply for console serial numbers <004196 Power Supply for console serial numbers >004196 GL3300-M24 GL3300-M32 GL3300-M40 GL3300-8M GL3300-8S GL3300-4SM GL3300-4MS GL3300-SL1 GL3300-8GD RPSD-2L3K RPS9/volts RPS11-3C/volts
MANUALS AND SUPPORT DOCUMENTATION
DESCRIPTION GL3300 User Guide GL3300 Service Manual GL3300 Brochure Meterbrige Fitting Instructions GL3300 SYS-LINK Fitting Instructions GL3000 SYS-LINK Application Note GL3300 Expander Fitting Instructions GLGroup Output Fitting Instructions RPS9 User Manual RPS11 User Manual RPSD-2 User Manual ORDER CODE AP3102 AP3103 AP3104 AP2126 AP2564 AP2565 AP3219 AP3222 AP2142 AP2725 AP2263

SERVICE TOOLS

The tools required to service the GL3300 are standard to an electronics service workshop and are easily obtainable. The following items are necessary for disassembly and service access: 4mm Hexagon (Allen) key (M6 side trim) 1-point Crosshead screwdriver (M3, 4AB) 2-point Crosshead screwdriver (M4, 6AB) 10mm Nutdriver 15mm Nutdriver (jack nuts, potentiometer nuts) Torx headed screw drivers AT0033 AT0004 AT0004

ALLEN & HEATH

Section A - 12

GL3300 Service Manual

ORDERING AN ASSEMBLY
The following assemblies are supplied fully tested. Please note that several of these need to be assigned according to their position in the console. This is done by soldering wire links or assignment pads. It is best to check the assignment settings of the assembly you are replacing before removing it from the console. Please quote the description and order code for the part required. Printed circuit (PCB) assemblies: * specify PCB Group position n the console. Mono Input-4M Connector PCB assembly Mono Input PCB assembly Stereo Input-4S Connector PCB assembly Stereo Input PCB assembly * Group PCB assembly Left PCB assembly Right PCB assembly Master connector PCB assembly RPS9 PCB assembly RPS11 PCB assembly GL3300 Meterpod PCB assembly LEFT GL3300 Meterpod PCB assembly RIGHT GL3300M Meterpod PCB assembly LEFT GL3300M Meterpod PCB assembly RIGHT IDC connector harnesses: GL3300-816 GL3300-824 GL3300-832 GL3300-840 GLway Main harness 34 way Main harness 34 way Main harness 34 way Main harness 16 way Master harness AL2347 AL2351 AL2355 AL2359 AL2343 002-275 002-280 002-274 002-281 002-192 / 193 002-277 002-278 002-191 000-327 002-047 002-039 002-040 002-464 002-465

THE CHASSIS TRIM

GL3300 (<002200 S/N) GL3300M (>002200 S/N) GL3300-816 GL3300-824 Left & Right Chassis side trims Left & Right Chassis side trims Write-on strip 10' Ident strip CHAN 1-16 + Master Ident strip CHAN 1-16 + Master + CHAN 17-24 Ident strip CHAN 25-40 Ident strip CHAN 1- 24 + Master Left & Right Meterpod side trims AA2363-L/R AA3596-L/R AK0327 AK3207 AK3208 AK3209 AK3210 AA2090L/R

GL3300 Meterpod

ORDERING A SPARES KIT
It is recommended that the spares kit order code 002-096 is held and maintained by the service agent to enable in-field service repairs to the GL3300 and GL3000 independent of the ALLEN & HEATH factory. Commonly available items such as resistors, capacitors, tools and soldering equipment are not included. The contents of the kit is listed below and is supplied in a cabinet of drawers. Individual spare parts may be ordered. Please quote the description and order code for the part required.

DESCRIPTION Fixings:

Screw 4AB x 5/16" CSK Pozi Black Screw 4 x 5/16" Poly Pan Pozi Black Screw 6B x 5/16" Pan Pozi Black

ORDER CODE

AB0059 AB2810 AB2809

Section A - 13

Screw 8B x 5/16" CSK Pozi Black Screw 6B x 1/4" CSK Pozi zinc Screw 6B x 3/8" CSK Pozi zinc Screw M6 x 20mm CSK Allen Black Screw M3 x 5mm CSK Pozi Black Screw M3 x 8mm Pan Pozi Black Screw M3 x 8mm CSK Pozi Black Nylock Nut M3 Fixing for D type connector
AB2085 AB2083 AB2082 AB0310 AB2811 AB0073 AB0074 AB0102 AB2189

Knobs and caps:

Knob Red & Grey 11mm D Knob Blue & Grey 11mm D Knob L/Blue & Grey 11mm D Knob Green & Grey 11mm D Knob Dark Grey & Grey 11mm D Knob Yellow & Grey 11mm D Knob Brown & Grey 11mm D Fader Knob 11mm White+Black line Fader Knob 11mm Red+Black line Fader Knob 11mm Yellow+Black line Fader Knob 11mm Blue+Black line Button 5.5mm Square Grey CK Button 5.5mm Square Red CK Button 5.5mm Square White CK Button 10x5mm Rectangular Grey CK Button 10x5mm Rectangular White CK Button Large Illuminated Rectangular White AJ2074 AJ2075 AJ2076 AJ2077 AJ2078 AJ2079 AJ2080 AJ8078 AJ8079 AJ8080 AJ8081 AJ2864 AJ2961 AJ2960 AJ2865 AJ2962 AJ10 10
Faders, Potentiometers, switches, and connectors:
10KA fader 100mm (GL3000) 10KD fader 100mm (GL3300) 10KA x 2 fader 100mm (stereo) 10KA fader 60mm 10KA x 2 fader 60mm 20KK (203K) 20KB (203B) centre click 200KC x 2 (204C) 20KB x 2 (203B 14mm wide) centre click 20KK x 2 (203K 14mm wide) 10KAC x 2 (103AC 14mm wide) 200KC x 2 (204C 14mm wide) 10KC x 2 (103C 14mm wide) Pot Nut 9mm Switch 2PCO Latching Switch 2PCO Momentary Switch 4PCO Latching Jack Socket Vertical PCB Mount + Hex nut Jack Socket Headphone XLR 3 Pin Female Vertical PCB Mount XLR 3 Pin Male Vertical PCB Mount AI8001 AI8117 AI8002 AI8054 AI8051 AI8003 AI8004 AI8005 AI8006 AI8007 AI8008 AI8009 AI0150 AB8050 AL0162 AL0374 AL0333 AL8082 AL0328 AL2410 AL5 5

LEDs and Semiconductors:

LED 3mm T1 Green LED 3mm T1 Yellow LED 3mm T1 Red LED Bar Rectangular 12way Transistor BC214C PNP Transistor 2SB737 PNP AE0085 AE0084 AE0086 AE2701 AE0031 AE5

Section A - 14

Transistor BC549 NPN Transistor 2N4403 PNP Transistor BC638 PNP Transistor BC637 NPN IC NE5532N Dual Op Amp IC TL072CP Dual Op Amp IC LM339N Quad Comparator IC CMOS 4053B IC SSM2142 Balanced Out Driver
AE0020 AE0273 AE0037 AE0068 AE0221 AE0046 AE0071 AE0117 AE0302
Mains Fuse 20mm T1A (UK, EC) Mains Fuse 20mm T3.15A (USA) Transformer 135VA Bridge Rectifier 4A 200V IC Adjustable Regulator 783 (+48V DC) IC Regulator 7815 (+15V DC) IC Regulator 7915 (-15V DC) Insulating kit TO220 Fusedrawer / voltage selector LED lens power supply panel AL0305 AL0464 AM0919 AE0351 AE0214 AE0047 AE0048 AA0693 AL0588 AL1 2

RPS11:

Lamp Neon AL0200 Mains Fuse 20mm T3.15A (UK, EC) AL0464 Mains Fuse 20mm T5A (USA) AL2270 Mains Fuse 20mm T8A (DC) AL0487 Transformer 320VA AM2720 Bridge Rectifier 25A 200V AE0239 Transistor MJ3001 AE0240 Transistor cover (inc. split washers) AK2767 Thyristor TIC126M AE0272 IC Adjustable Regulator 783 (+48V DC) AE0214 IC Regulator UA723CN (+/-16V DC) AE0056 Fuseholder 20mm Panel Mount AL0578 DC cable assembly (10pin plug to 10pin socket)002-223 DC cable assembly (10pin plug to 5pin XLR) 002--

RPSD & RPSD2:

Mains Fuse 20mm T5.0A (RPSD) Mains Fuse 20mm T8.0A (RPSD2) Mains Filter IEC 10A Mains Outlet IEC 3 Pin Mains Switch Rocker 0-1 LED 5mm T1 Tri-colour Zener Diode BZX85 5V6 Packing assembly RPSD DC Supply cable RPSD2 DC Supply cable RPSD IEC to IEC Mains Lead AL2270 AL0487 AL2260 AL2261 AL0587 AE2258 AE0012 002-058 002-060 002-223 AH2262 -

METERBRIDGE:

Preset 10K (calibrate) Meter VU+bulb Bulb (VU meter) Spacer PCB M3 Screw 6B x 5/16" Pan Pozi Black Screw M6 x 12mm SKT Hex Black (Grub)
AC0250 AD0011 AD0013 AB0331 AB2809 AB2087

Section A - 15

Screw M4 x 12mm CSK Hex Black

AB2086

Miscellaneous:

GL3300-816 Packing assembly GL3300-824 Packing assembly GL3300-832 Packing assembly GL3300-840 Packing assembly GL3300-824M Packing Assembly GL3300-832M Packing Assembly GL3300-840M Packing Assembly Flex cable 12 way 90mm Flex socket 12 way 90deg Flex socket 12 way straight Ferrite Bead Axial Harness 2way Group Insert 002-097 002-098 002-099 002-100 002-466 002-467 002-468 AH2228 AL2226 AL2227 AF0610 002--

Section A - 16

 

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