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SAFETY INSTRUCTIONS (EUROPEAN)
NOTICE FOR CUSTOMERS IF YOUR UNIT IS EQUIPPED WITH A POWER CORD. WARNING: THIS APPLIANCE MUST BE EARTHED.
The cores in the mains lead are coloured in accordance with the following code. GREEN and YELLOW - Earth BLUE - Neutral BROWN - Live The power cord is terminated in a CEE7/7 plug (Continental Europe). The green / yellow wire is connected directly to the units chassis. If you need to change the plug, and if you are qualified to do so, refer to the table below.
WIRE COLOR CONDUCTOR L N E LIVE NEUTRAL EARTH NORMAL BROWN BLUE GREEN / YEL ALTERNATIVE BLACK WHITE GREEN
In the interest of creating new products and improving existing ones, Carvin is continually researching the latest state of the art audio design methods, and modern packaging and production techniques. Thus, Carvin reserves the right to make changes in its products and specifications without notice or obligation.
WARNING: If the ground is defeated, certain fault conditions in the unit or in the system to which it is connected can result in full line voltage between chassis and earth ground. Severe injury or death can then result if the chassis and the earth ground are touched simultaneously.
U.K. MAINS PLUG WARNING: A moulded mains plug that has been cut off from the cord in unsafe. Discard the mains plug at a suitable disposal facility. NEVER UNDER ANY CIRCUMSTANCES SHOULD YOU INSERT A DAMAGED OR CUT MAINS PLUG INTO A 13 AMP POWER SOCKET. Do not use the mains plug without the fuse cover in place. Replacement fuse covers can be obtained from your local retailer. Replacement fuses are 13 amp and MUST be ASTA approved to BS1362.
12340 World Trade Drive San Diego, CA 92128 800-854-2235 M-F 7:30 to 5:00
F300 Output Power 8, 1kHz, < 1% THD 4, 1kHz, < 1% THD 2, 1kHz, < 1% THD (BRIDGE MONO) 300 Watts N/A N/A FWatts N/A N/A 200/200 Watts 300/300 Watts N/A N/A F1200 1,200 Watts 1,200 Watts 1,800 Watts 400/400 Watts 600/600 Watts 600/600 Watts 900/900 Watts*
Carvins F-Series of professional stereo amplifiers represent the state of the art in linear audio power amplification technology. From small clubs to sports arenas youll love the crystal clear sound these amplifiers provide. Their light-weight, compact design is complemented by heavy duty construction perfectly suited for the rigors of road use. Theyre available in three power levels to fit the widest possible range of applications. It all starts with a massive, precision toroidal power transformer. This type of transformer is praised for its efficient transfer of energy and the way it confines noise fields quietly within its coils. With this quiet efficiency also comes lighter weight. One of the main reasons Carvin is able to offer a substantial 1,200 Watts of power from a two rack unit package weighing only 25 pounds. But thats just the beginning. A specially designed cooling chamber funnels the air volume of an average sized refrigerator across the heatsinks every 20 seconds. The heatsink size, shape and configuration are custom made and optimized with the help of computer aided design. The height to width ratio pushes the envelope of aluminum extrusion technology. Our high fin count is the greatest in the industry but even more impressive are the 675 micro-fins which increase the heat transferring surface area of the sink by a phenomenal 52%! Staggered mounting of the power transistors distributes heat evenly across the entire heatsink to eliminate hotspots. Each model in Carvins F-Series has enough thermal headroom to dissipate more than twice its power rating. Carvins F-Series offers high quality audio in a tough, efficient package while providing peace of mind reliability.
FOR THE NEW OWNER
8, 1kHz, < 0.5% THD 100/100 Watts 4, 1kHz, < 0.5% THD 150/150 Watts 2, 1kHz, < 0.5% THD N/A 2, 1kHz, < 0.5% THD N/A (Stereo, both channels driven) THD 20-20kHz (8 at half power) Damping Factor Sensitivity (@ 4) Signal to Noise Ratio Weight (Shipping) Power Consumption
>450 0.75 Vrms 100 dB 21 lbs. 290 VA 290 VA
>450 1.0 Vrms 103 dB 23 lbs. 575 VA 575 VA 0.5 dB, 20 Hz to 20 kHz (1.0 dB, 10 Hz to 40 kHz)
>500 1.5 Vrms 106 dB 27 lbs. 1250 VA 1250 VA
Carvins USA toll free number: 800-854-2235
Input Impedance Dimensions
> 20k Balanced or Unbalanced 3 1/2 High x 19 Wide x 10 Deep
Carvins F-Series amplifiers have free-flow ventilation and require no filter maintenance. However, use caution to avoid spilling liquids or allowing any other foreign matter inside the unit. As with all pro-audio gear, avoid prolonged use in caustic environments (i.e., on the beach). When used in such an environment, please be sure the amplifier is adequately protected by rack, covers, etc. To clean the unit, always use a mild detergent and warm water solution applied to a soft cloth. Never spray cleaning products directly on the unit.
INSPECT YOUR AMPLIFIER FOR ANY DAMAGE which may have occurred during shipment. If any damage is found, notify the shipping company and call CARVIN immediately. SAVE THE CARTON & ALL PACKING MATERIALS. In the event you have to reship this amplifier, always use the original carton and packing material. This will provide the best possible protection during shipment. Neither CARVIN nor the shipping company are liable for damage caused by improper packing.
SAVE YOUR INVOICE. It will be required for warranty service. Immediately check your invoice against the items received.
SHIPMENT SHORTAGE. If items are missing, it may be that they were shipped separately. Please allow several days for the balance of your order to arrive before inquiring. If you determine (after allowing an appropriate amount of time) you have not received all the items you ordered, please call CARVIN.
PCB REF R131 R132 R133 R134 R135 R140 R141 R142 R143 R144 R145 R146 R147 R148 R149 R150 R151 R153 R154 R155 R156 R157 R158 R159 R160 R161 R162 R163 R164 R165 R166 R167 R168 R169 R170 R171 R172 R173 R174 R175 R176 R177 R178 R179 R180 R181 R182 R183 R184 R185 R186 R187 R188 R189 R190 R191 R192 R193 R194 R195 R196 R197 R198 R199 R200 R201 R202 R203 R204 R205 R206 R207 R208 R209 R210 R215 R216 R217 R218 R219 R220 R221 R222 R223 R224 R225 R226 R227 R228 R230 R231 R232 R233 R234 R235 R240 R241 R242 R243 R244 R245 R246 R247 R248 R249 R250 R251 R253
DESCRIPTION PART # Resistor 1/4W, 5%, 1K.50-10035 Not used Resistor 1/4W, 5%, 100K.50-10055 Resistor 1/4W, 5%, 47K.50-47045 Resistor 1/4W, 5%, 1.5K.50-15035 Resistor 1/4W, 5%, 22K.50-22045 Resistor 1/4W, 5%, 22K.50-22045 Resistor 1/4W, 5%, 33K.50-33045 Resistor 1/4W, 5%, 33K.50-33045 Resistor 1/4W, 5%, 10K.50-10045 Resistor 1/4W, 5%, 24K.50-24045 Resistor 1/4W, 5%, 24K.50-24045 Resistor 1/4W, 5%, 15K.50-15045 Resistor, 5W,10%, 22.55-22026 Resistor 1/4W, 5%, 10K.50-10045 Resistor 1/4W, 5%, 10K.50-10045 Resistor 1/4W, 5%, 10K.50-10045 Resistor 1/4W, 5%, 220K.50-22055 Resistor 1/4W, 5%, 2.2K.50-22035 Resistor 1/4W, 5%, 2.2K.50-22035 Resistor 1/4W, 5%, 4.7K.50-47035 Resistor 1/4W, 5%, 33K.50-33045 Resistor 1/4W, 5%, 220.50-22025 Resistor 1/4W, 5%, 100K.50-10055 Resistor 1/4W, 5%, 2.2K.50-22035 Resistor 1/4W, 5%, 4.7K.50-47035 Resistor 1/4W, 5%, 2.2K.50-22035 Resistor 1/4W, 5%, 10K.50-10045 Resistor 1/4W, 5%, 4.7K.50-47035 Resistor 1/4W, 5%, 2.2K.50-22035 Resistor 1/4W, 5%, 470.50-47025 Resistor 1/4W, 5%, 470.50-47025 Resistor 1/4W, 5%, 2.2K.50-22035 Resistor 1/4W, 5%, 1K.50-10035 Resistor 1/4W, 5%, 1K.50-10035 Resistor 1/4W, 5%, 2.2K.50-22035 Resistor 1/4W, 5%, 33K.50-33045 Resistor 1/4W, 5%, 1K.50-10035 Resistor 1/4W, 5%, 1K.50-10035 Resistor, 5W,10%, 5K, Wire Wound.55-50030 Resistor, 5W,10%, 5K, Wire Wound.55-50030 Resistor 1/4W, 5%, 47K.50-47045 Resistor 1/4W, 5%, 47K.50-47045 Resistor 1/4W, 5%, 100K.50-10055 Resistor 1/4W, 5%, 100K.50-10055 Resistor 2W, 10%, 1.5k.54-15030 Resistor 1/4W, 5%, 22K.50-22045 Resistor 1/4W, 5%, 2.2K.50-22035 Resistor 1/2W, 5%, 2.2K.52-22035 Resistor 1/4W, 5%, 68K.50-68045 Resistor 1/4W, 5%, 220K.50-22055 Resistor 1/4W, 5%, 470K.50-47055 Resistor 1/4W, 5%, 47K.50-47045 Resistor 1/4W, 5%, 100K.50-10055 Resistor 1/4W, 5%, 47K.50-47045 Resistor 1/4W, 5%, 47K.50-47045 Resistor 1/4W, 5%, 220K.50-22055 Resistor 1/4W, 5%, 220K.50-22055 Resistor 1/4W, 5%, 100K.50-10055 Resistor 1/4W, 5%, 4.7K.50-47035 Resistor 1/4W, 5%, 4.7K.50-47035 Resistor 1/4W, 5%, 470K.50-47055 Resistor 1/4W, 5%, 220.50-22025 Resistor 1/4W, 5%, 220.50-22025 Resistor 1/4W, 5%, 150.50-15025 Resistor 1/4W, 5%, 150.50-15025 Resistor 1/4W, 5%, 150.50-15025 Resistor 1/4W, 5%, 150.50-15025 Resistor 1/4W, 5%, 47.50-47015 Resistor 1/4W, 5%, 150.50-15025 Resistor 1/4W, 5%, 220.50-22025 Resistor 3W, 10%, 0.22.54-02205 Resistor 3W, 10%, 0.22.54-02205 Resistor 3W, 10%, 0.22.54-02205 Resistor 3W, 10%, 0.22.54-02205 Resistor 1/4W, 5%, 150.50-15025 Resistor 1/4W, 5%, 150.50-15025 Resistor 1/4W, 5%, 150.50-15025 Resistor 1/4W, 5%, 150.50-15025 Resistor 1/4W, 5%, 47.50-47015 Resistor 1/4W, 5%, 150.50-15025 Resistor 1/4W, 5%, 100K.50-10055 Resistor 1/4W, 5%, 220.50-22025 Resistor 1/4W, 5%, 2.2K.50-22035 Resistor 1/4W, 5%, 22K.50-22045 Resistor 3W, 10%, 0.22.54-02205 Resistor 3W, 10%, 0.22.54-02205 Resistor 3W, 10%, 0.22.54-02205 Resistor 3W, 10%, 0.22.54-02205 Resistor 1/4W, 5%, 470K.50-47055 Resistor 1/4W, 5%, 1K.50-10035 Not used Resistor 1/4W, 5%, 100K.50-10055 Resistor 1/4W, 5%, 47K.50-47045 Resistor 1/4W, 5%, 1.5K.50-15035 Resistor 1/4W, 5%, 22K.50-22045 Resistor 1/4W, 5%, 22K.50-22045 Resistor 1/4W, 5%, 33K.50-33045 Resistor 1/4W, 5%, 33K.50-33045 Resistor 1/4W, 5%, 10K.50-10045 Resistor 1/4W, 5%, 24K.50-24045 Resistor 1/4W, 5%, 24K.50-24045 Resistor 1/4W, 5%, 15K.50-15045 Resistor, 5W,10%, 22.55-22026 Resistor 1/4W, 5%, 10K.50-10045 Resistor 1/4W, 5%, 10K.50-10045 Resistor 1/4W, 5%, 10K.50-10045 Resistor 1/4W, 5%, 220K.50-22055
REPLACEMENT PART GUIDE
RISK OF ELECTRIC SHOCK
50 ROTECT POWER 0 dB CHANNEL
THIS UNIT CONTAINS HIGH VOLTAGE COMPONENTS INSIDE. REFER SERVICING TO QUALIFIED SERVICE PERSONNEL.
9 7. POWER INDICATOR
REF 19 20
An orange LED unmistakably tells when the amplifier is turned on. (The various front panel indicators were deliberately given different colors so the operator can see the status of the amplifier from across the room with only a glance.)
Switch, Impedance.25-31360.1 Binding Post, Dual, Black/Red, Long.03-10450.2 Bridge Rectifier, 35A.60-35040.1 Unichassis.10-06009.1 Heatsink, custom, natural aluminum finish.12-00504.2 Bracket, Fan, Dual.10-10027*.1 Fan, DC 24V, 80mm, 36CFM.70-02408.2** Front Panel.10-06001-3.1 Switch, Power.25-31350.1 Knob, Power Amp.07-09001.2 Handle, Extruded, F-Series.10-11120.2 Shield, Vent, F-Series.10-06003.2 Mount, Toroid Cap.10-15004.1 Insulator, Toroid Pad (Not shown).03-15010.2 Transformer, Power, Toroid.See Chart.1 Fuse Holder (See chart for fuse values).23-81116.1 Circuit Board Assembly (Includes all PCBs).80-12028.1 Capacitor, AC Line Switch.41-47322.1 Cover, Chassis (Not shown).10-06005.1 Foot,.875x.3125 (Not shown).03-19682.4 Power Cord, AC, 16AWG (Not shown).05-01604.1
8. CHANNEL 2 LEVEL CONTROL
9. CHANNEL 2 SIGNAL INDICATOR
This green LED comes on when signal is present on channel 2.
10. CHANNEL 2 CLIP INDICATOR
This RED LED lights when channel 2 has reached its maximum output capability.
11. PROTECT INDICATOR
If the amplifier detects any problems due to abusive operating conditions, it will automatically enter PROTECT mode. This mode will remove signal from one or both affected channels and the PROTECT LED will light. (See the section entitled PROTECT LED for more detailed information.)
* F1200 uses 10-10027 dual fan bracket, F300 & F600 uses 10-10017 single fan bracket. ** F1200 uses two fans whereas F300 and F600 uses only one.
Fuse/Transformer Selector Chart
Line Fuse Value Transformer P/N Model F1200.120 VAC.12A, 250V, Slow Blow.15-12120 F1200.230 VAC.6A, 250V, Slow Blow.15-12240 F600..120 VAC.6A, 250V, Slow Blow.15-06120 F600..230 VAC.3A, 250V, Slow Blow.15-06240 F300..120 VAC.3A, 250V, Slow Blow.15-03120 F300..230 VAC.1 1/2A, 250V, Slow Blow.15-03240
REAR PANEL FEATURES
One or both clip LEDs flash intermittently
Clip LEDs light to indicate maximum output level. This is not a problem as long as the LEDs dont stay continuously lit and the sound is not distorted. Running the system with the LEDs continuously lit will not harm the power amp but is dangerous to speakers whose power ratings are not well above the amplifiers power rating. Move Parallel Inputs switches to the Stereo position.
Toll Free 1-800-854-2235
WARNING To prevent a fire hazard, provide adequate space for ventilation! WARNING To prevent fire or shock, do not expose to rain or moisture. WARNING Do not remove cover. No user-serviceable parts inside. WARNING Replace fuse only with same type and value.
PROFESSIONAL STEREO POWER AMPLIFIER
600/600 WATTS 2 OHMS MIN. IMPEDANCE [RMS POWERMAX ]
M A D E IN THE
Sound is coming from both channels when only one channel has signal at its input Accessory Groups Parallel Inputs switches are in the mono position Accessory Groups BRIDGE MONO switches are in the mono position Unit enters PROTECT mode repeatedly after resets Excessive speaker load
1. CHANNEL 1 1/4 PHONE JACK INPUT
This stereo phone jack is designed to receive either balanced or unbalanced input signals. Balanced signals coming into this jack should be wired with the connectors tip going to signal + and the connectors ring to signal -. The connectors sleeve is then tied internally to ground through the GROUND LIFT switch.
2. CHANNEL 1 XLR INPUT CONNECTOR
Like the 1/4 phone jack, this input connector will accept either balanced or unbalanced signals. Pin 2 is signal +, pin 3 signal - and pin 1 is grounded through the GROUND LIFT switch.
Move BRIDGE MONO switches to the Stereo position.
3. CHANNEL 1 SPEAKON OUTPUT
The Speakon speaker connectors twist-lock design and high current capacity is a great way to simplify speaker connection while maintaining a high, system wide damping factor. (F1200 only).
4. CHANNEL 1 1/4 PHONE JACK SPEAKER OUTPUT
Standard 1/4 phone jacks are supplied for convenient speaker connection.
5. CHANNEL 1 BINDING POST SPEAKER OUTPUT
An alternative for connecting speakers is through the binding posts. RED is positive and BLACK is negative. These high current connectors will safely clamp bare wires at their base or will accept standard banana plugs. (The two RED binding posts are used for mono bridging, ch1 is + and ch2 is -).
Verify that the total speaker load is not less than the amplifiers rating. (i.e., three 4 speakers per channel is less than 2 total.) Try different cables and speakers Move Accessory Group Sub Filters switches to the ON position.
Shorted speaker or speaker cable Program material contains excessive signal below 20Hz
6. RMS POWERMAX IMPEDANCE MATCHING SWITCH
Set this switch to the position that corresponds to the speaker load. (F1200 model only. See the section RMS POWERMAX for more information.)
7. MAIN POWER FUSE
Should the fuse ever blow, replace only with same type and value (see Fuse Selection). F300 3A @ 120VAC or 1 1/2A @ 230VAC, Slow Blow F600 6A @ 120VAC or 3A @ 230VAC, Slow Blow F1200 12A @ 120VAC or 6A @ 230VAC, Slow Blow (Note: Some F-Series amplifiers are supplied with circuit breakers. Should one of these ever blow, simply let the breaker cool down and press to reset.)
If the above chart has not been able to guide you to the problem then answer the following five questions: 1. AC cord attached to a source alive with appropriate Voltage and current capacity? 2. Is the fuse OK and power switched on? 3. Correct level audio signal connected to inputs through known good cables? 4. Are the Accessory Group switches set properly and level controls raised sufficiently? 5. Are known good speakers connected properly using known good cables? Carvins friendly technical support staff will be happy to assist by calling 800-854-2235.
Loud hum coming from speakers (contd)
es (located in the Accessory Group on the rear panel) to the right-most position.
PARALLEL INPUTS STEREO MONO
SUB FILTER CH 1 ON OFF SUB FILTER CH 2 GROUND LIFT CH 1 LIFT GND GROUND LIFT CH 2 BRIDGE MONO STEREO MONO
4/8 O H M S SPEAKER IMPEDANCE
2 O H M S
No sound out of one channel
Bridge switch not set properly
Make sure the bridge PROFESSIONAL STEREO POWER AMPLIFIER switches (located in the [ ] Accessory Group on the rear panel) are set to the position appropriate for your setup. USA
600/600 WATTS 2 OHMS MIN. IMPEDANCE RMS POWERMAX
CAUTION: TO PREVENT SHOCK, DO NOT DEFEAT THE SAFETY GROUND.
120VAC 50/60Hz 1400VA FUSE = 12A SLOW BLOW
One or both channels cut out every few minutes
Unit entering PROTECT mode due to overheating
Make sure both the front and rear of the amplifier has adequate space for ventilation. Verify that the total speaker load is not less than the amplifiers rating. (i.e., three 4 speakers per channel is less than 2 total.) Check for shorted speaker cables.
8. AC POWER CORD
Always use grounded (3 prong) outlets. Defeating the power cords ground connection can result in electrocution. If the speakers produce hum caused by a ground loop, the loop can be broken by opening the GROUND LIFT switches provided in the ACCESSORY GROUP.
9. CHANNEL 2 BINDING POST SPEAKER OUTPUT Performs the same function as channel 1s binding posts. (See.) 10. CHANNEL 2 1/4 PHONE JACK SPEAKER OUTPUT Performs the same function as channel 1s jack. (See.) 11. CHANNEL 2 SPEAKON OUTPUT
Performs the same function as channel 1s Speakon. (See.)
Program material contains excessive signal below 20Hz Sound is distorted and clip indicator(s) are on Shorted speaker or speaker cable Too many speakers
Move Accessory Group Sub Filters switches to the ON position. Try different cables and speakers Try connecting one speaker system at a time. Turn down the output level of equipment feeding the amplifier. If the sound level is too low then raise the controls on the front of the power amp. Try substituting a known good cable.
12. ACCESSORY GROUP SWITCHES
Use these switches to enable or defeat the following features: SWITCH FUNCTION 1.Parallel or Y Inputs* 2.Parallel or Y Inputs* 3.Channel 1 SUB FILTER (15Hz) 4.Channel 2 SUB FILTER (15Hz) 5.Channel 1 GROUND LIFT 6.Channel 2 GROUND LIFT 7.BRIDGE MONO** 8.BRIDGE MONO** * Switches 1 and 2 must be set in unison. For STEREO operation both must be in the left position, for MONO, both right. ** Switches 7 and 8 must also be set in unison. Both left for STEREO and both right for BRIDGE MONO.
Sound is distorted and clip indicator(s) are not on or only flash occasionally
Amplifier input signal is too high
13. CHANNEL 2 XLR INPUT CONNECTOR
Performs the same function as channel 1s XLR input. (See.)
14. CHANNEL 2 1/4 PHONE JACK INPUT
Performs the same function as channel 1s 1/4 input. (See.)
Defective input cable
15. EXHAUST VENTS
These vents must have a minimum of 3 clearance to ensure adequate ventilation. Blocking them will cause the amp to prematurely enter PROTECT mode.
CONNECTING THE SYSTEM
The following diagram illustrates the typical stereo setup. Although it shows XLRs for inputs and 1/4 phone plugs for outputs, a variety of alternative connectors are available (see the following sections on INPUT CONNECTIONS and OUTPUT CONNECTIONS).
TAPE SEND BAL SENDS MON 1 MON 2 SENDS EFF 1 EFF 2 12V LAMP
Every F-Series amplifier undergoes severe environmental burn-in as well as thorough computer controlled and human testing. It is unlikely a malfunction will occur. However, when something doesnt seem to work properly, please refer to the following chart:
IN CASE OF TROUBLE
Power switch is on but LED doesnt light
Power plug is loose or disconnected Circuit breaker tripped or fuse blown in circuit fuse box
R LEFT/3 RIGHT/4 MAIN
C STEREO RETURNS B
Two conductors plus shield for balanced input or one conductor plus shield for unbalanced input.
Two conductor non-shielded, 16AWG or larger, cable for speaker connections.
Disconnect all other loads on the same circuit and reset circuit breaker or replace fuse. Disconnect the power cord and replace fuse only with same type and value or reset circuit breaker. Check that the source equipment is properly feeding the amplifiers input. The green signal LEDs will show if signal is present. Replace speaker cable with a known good one. Check speaker cabinet for fuses and replace as necessary Move one or both GROUND LIFT switches (located in the Accessory Group on the rear panel) to the left-most position. (Note: Never defeat the ground prong of the AC power cord. Serious shock or electrocution may occur.) Move one or both GROUND LIFT switch-
Amplifier fuse or circuit breaker is blown
Left Input Connector
Left Speaker Connector
ACCESSORY GROUP OUTPUTS
600/600 WATTS 2 OHMS MIN. IMPEDANCE [ RMS POWERMAX]
The unit has power but no output is present at the speakers
No input signal
Right Input Connector
Right Speaker Connector Right Speaker
Open speaker cable
Blown speaker fuse
Loud hum coming from speakers
Typical Stereo Setup
The preferred method of connecting input signals is with balanced XLRs (two conductors plus a shield wire, such as Carvins XLR8). Balanced input signals provide the highest gain and best noise rejection. 1/4 phone jacks are also capable of providing balanced input by using a stereo plug (ring-, tip+ & sleeve gnd). However, not all sources provide balanced outputs. In these cases an unbalanced 1/4 input is recommended (single conductor plus a shield wire, such as Carvins SH2 or SH15).
Missing ground feed (unbalanced only)
MONO Y INPUT MODE
This feature allows both channels of the amplifier to be driven from a single input. To use this feature, plug one speaker cabinet into any of the channel 1 speaker output connectors and a second cabinet into any of the channel 2 speaker output connectors. Next, set the Accessory Group switches labeled PARALLEL INPUTS to their right-most position (as viewed from the rear of the amplifier). Now, signal entering any input will be available on both channels. The channel 1 level control will affect speakers connected to channel 1s output and channel 2 level will control speakers on channel 2s outputs. This feature is also used to daisy chain from one piece of equipment to the next (since channel 1 and channel 2 inputs are placed in parallel, any signal present on one will be available at the other).
(Dual fans on F1200 only.)
There are two 1/4 phone jacks available for speaker connections (one for each channel). Additionally, there are two pairs of binding posts that not only allow for high current connections to speakers but are also used when bridging the outputs (see section titled Bridging the Amp). Carvin supplies another alternative for connecting speakers to an F1200. Widely acclaimed audio connector manufacturer Neutrik, created a standard for speaker connections that provides high current capacity and ease of use. These connectors, dubbed Speakons, have been embraced by professionals as an improvement over previous standards.
RED binding post. (See the Typical Bridge Mono Triamp illustration, two pages back.) Speaker impedance in this mode is twice the actual load on each channel. For example; when operating an F600, whose minimum speaker impedance rating is 4, in BRIDGE MONO mode, speaker impedance must be no lower than 8. A 4 speaker load, in this situation, would violate the minimum impedance rating of the amplifier.
The PROTECT LED provides the operator with information about the status of the amplifier. There are 4 different reasons for it to light.
When loading the speaker outputs to 2, set the RMS POWERMAX switch to the 2 position. When loading the speaker outputs to 4 or higher, set the RMS POWERMAX switch to the 4/8 position. Whether running 2 or 4 output power will remain at 600W per channel.
1. During power-up, the amplifier stays in a muted state until it determines all is well. First the fan(s) kick into high speed for a few seconds. After that it looks for DC Voltages on the outputs (F1200 only). Then if there are no short circuits on the outputs and its not overheated, the amp auto-initializes by disengaging the mute and turning off the PROTECT LED. This all happens during the first 5 seconds after power is applied. 2. If the output load draws excessive current, such as when a speaker cable short circuits, the amp detects this danger and mutes the channel. It then remains muted until power is turned off. Correct the problem then re-apply power to the unit. When power is reapplied the unit will come on normally. When the amplifier encounters this situation, it deals with it by muting only the affected channel. This way a shorted speaker cable on one side wont stop the show! 3. If the amp is subjected to sufficiently severe environmental or abusive load conditions to cause overheating, the unit will mute the affected channel. In this case, turning the power off and then on again will not reset the mute. The unit will have to cool off first. Fortunately the unaffected channel will remain on while the fan(s) cool the muted channel. Remedy the problem at once! Get the amp into a cooler environment or reconfigure the loads or whatever else can be done to prevent abuse. (When this situation occurs on F1200s, set the RMS POWERMAX switch to the 2 position. The amp will run cooler.) This condition mutes each channel independently so that a problem on one channel does not shut down the entire amplifier. Again, the show goes on. 4. (F1200 only.) When the amp detects high levels of subsonic content in the program material or DC on the output, it triggers the mute circuit. Since this circuit is nonlatching, the mute disengages as soon as the problem is corrected. As with the other protection modes, this one works on each channel independently. In summary: If the amplifier goes in and out of PROTECT every few seconds, then the problem is most likely excessive low frequencies (F1200 only). If the amplifier goes in and out of PROTECT every few minutes, then its probably overheating. If the amplifier goes into PROTECT and stays until you turn power off and back on again, it is experiencing over-current. (i.e., shorted speaker cable or too many speakers are connected.) If you turn the power off and back on a gain and the unit stays in PROTECT, then it is probably overheated and needs to cool off. Leave the power on so the fan(s) will cool it faster. It will come back on automatically when it is cool enough. Be sure to correct whatever caused it to overheat in the first place.
BIAMPING AND TRIAMPING
Switches 1 and 2 are used together to couple the input connectors. When the switches are in their right-most position the signal + of channel 1s input is tied to signal + of channel 2s. The same is true for signal -. This is useful when running in mono because only one input cable is required to drive both channels. It also provides a way of daisy chaining amps together. When using two or more amps, plug the source into any input of the first amp then from the other input run a jumper to any input on the second amp (and so on for additional amps).
STEREO BIAMP SYSTEM
The following illustration demonstrates the use of a Carvin XC3000 active crossover, an F1200 amplifier for lows and an F600 for highs. By moving the speakers Biamp switch (if so equipped) to the Biamp position, the user is able to feed power directly into the horn through the His input and into the woofer/mid through the Lows input. The crossover frequency of this setup was chosen to be 3.5kHz.
Switches 3 and 4 control the low frequency cut-off point. Switch 3 is for channel 1 and 4 is for channel 2. These switches may be set separately to allow different cut-off frequencies for each channel. When in the left-most position, the SUB FILTER is engaged and the low frequencies are down 3dB at 15Hz. In the right-most position the filter is disabled. It is normal to run with the filters engaged. There is virtually no desirable audio content below 20Hz. Any energy below 20Hz will waste the amplifiers power and has a greater potential for damaging speakers.
BAL SENDS MON 1 MON 2
SENDS EFF 1 EFF 2
GROUND LIFT SWITCHES
Many times sound systems are connected in such a manner to cause ground loops that result in audible hum. The purpose of switches 5 and 6 are to eliminate this ground loop. If your system emits audible hum try moving the GROUND LIFT switches to the other position. Each channel can be controlled independently but usually both channels will be lifted or grounded simultaneously GROUND LIFT switches such as the ones found in Carvin products are great for curing ground loop problems. A more complicated and expensive way would be to isolate two pieces of equipment from each other with audio isolation or line matching transformers. However, never defeat the AC cord safety ground in any piece of electrical equipment to open a ground loop. Doing so can damage equipment and cause serious electrical shock or electrocution.
BAL SENDS MON 1 MON 2 TAPE SEND SENDS EFF 1 EFF 2 12V LAMP
MONO TRIAMP SYSTEM
This illustration shows a Carvin XC3000 active crossover, F1200 amplifier for lows, F600 for mids and F300 for the highs in BRIDGE MONO mode. Cabling from the speakers and their selector switches are set as in stereo mode above. However, the power amplifiers are setup in BRIDGE MONO mode and the speakers connect to the bridge outputs (channel 1s RED binding post is signal + and channel 2s RED binding post is signal -.) Warning: These power amplifiers produce extreme volume levels capable of causing permanent hearing damage.
C STEREO RETURNS B POWER
BAL SENDS MON 1 MON 2 SENDS EFF 1 EFF 2 12V LAMP
LOW OUT SUM
Right Highs Right Mids
600/600 WATTS 2 OHMS MIN. IMPEDANCE
[ RMS POWERMAX
"Daisy Chain" from left speakers to right speakers. Left Lows Right Lows
Shown in "Bridge Mono" mode.
Mid Amplifier Left Highs
TYPICAL BRIDGE MONO TRIAMP
Low Amplifier Left Lows
TYPICAL STEREO TRIAMP SETUP
R+ 15VDC C18 470F
+ 15VDC THERMAL
+15VDC from P.S. PCB
R157 R21 68K C127 27pF R168 2.2K + 15VDC C133 R173 1K D115 1N4003 R175 5K 5W D116 1N4003 D117 1N4003 D118 1N4003 CH.1 V+ Gate Drive Q118 MPSW92 Rcw P101 3K Q105 TIP32C C130 120pF RR170 1k R169 1K C129 10F/50V 120pF R172 33k C132 Not used CH.1 V- Gate Drive Q115 MPSW92 Q117 MPSW92 R171 2.2K VH4-2 R115 R101 33N20
33K C138 0.0033F
H4-1 H4-3 H5-1 H5-3 V+ V+
V+ from P.S. PCB
R22 33K 15VDC FAN
V- from P.S. PCB
VC19 470F -15VDC
R160 2.2K R161 Q114 MPSW42 Q116 MPSW92
-15VDC from P.S. PCB
4.7K R162 2.2K
H2-1 To collector of Q105 V+PCB H2-2 To emitter of Q105 H2-3 to base of Q105
R174 1K C131
R181 1.5K 2W C136 0.047F
H2-4 R184 470
C139 22F H4-1
Q2N5550 RR105.22 RR106.22
CH1 OUTPUTS Ch 1 red binding post
Q105 and Q205 Bias Transistors are Located on V+ PCB 30-12028-1
H3-1 To base of Q205 V+PCB H3-2 To collector of Q205 H3-3 To emitter of Q205
Ch 1 black binding post
150 R116 33N20 Q103 D102 1N4007
J102 C118 J103
R163 10K R164 4.7K R165 2.2K -15VDC
R176 5K 5W
Q106 2N5550 RR119
Ch 1 speaker ground from P.S. PCB
-24VDC from P.S. PCB 560 R121 2.2K R123.22 R122 22K R124.22
R142 33K C114 J100 C112 10F C113 R140 22K
30Hz, Sub-sonic Filter
R145 S1-3 24K C116 0.22F
R146 24K C117
R120 100K Q107 2N5550 D101
H7-7 C125 10F/50V
V- PCB 30-12028-2 Pin2
CH1 Protect from I/O PCB
C126 27pF R+ 15VDC R195 4.7K cw R178 47K 3
Common mode reject
R179 100K C134 R187 470K 2.22F A8-A 1 C135 R185 68K.22F C141.22F A10-A R190 47K 3 R177 47K
C101 470F 150 25V
Thermal cut-off comparator Overheated: High
+15VDC from Control PCB
H7-1 H7-6 H7-4 H9-6
R143 33K C115
A7-A 2.2K Q113 JR182
2 A11-A 1
H4-4 Pin1 Pin3
Ch 1 overcurrent to Driver PCB Ground from Control PCB
R192 Not Used
Cool: Low Hot: High Over-current comparator Normal: Low Over-current: High
Bias Adjust Header R197 100K R194 470K C142.01F
C110 56pF C111 56pF S1-5 S1-2 S1-1 Channel 1 Ground Lift Mono Inputs P100.A 10K R132
A12-A R193 Not Used
C16 10F R16 47
-15VDC from Control PCB
A9-A R189 100K R186 220K
Fan speed comparator
R196 4.7K S1-7
D119 1N4003 D120 1N4003
Ch1 Mute To "Protect 1 LED" on Control PCB
R257 33K + 15VDC C227 27pF R260 2.2K
R275 5K 5W
D216 1N4003 D217 1N4003 D121 1N4003
30-12028-3 Power Supply PCB
R261 4.7K R262 2.2K R12 24K Z200 1N4745A P201 3K Q205 TIP32C C230 120pF cw RR269 1K C229 10F/50V
Q216 MPSW92 Q218 MPSW92 R274 1K
R207 CH.2 V+ Gate Drive
H3-4 Q200 2NRRR205.22 R204 150
D200 1N4007 CH2 OUTPUTS Ch 2 red binding post
C231 120pF R272
R281 1.5K 2W C236 0.047F
Ch 2 black binding post R206.22
C200 470F 25V RR216
J202 E205 L200 J203 E200 C218 0.068F R5W
Ch 2 speaker ground from P.S. PCB
33N20 Q203 D202 1N4007
R263 10K R264
4.7K R265 2.2K
Q215 MPSW92 Q217 MPSW92 R271 2.2K
CH.2 V- Gate Drive
560 RRR220 100K R221 2.2K Q207 2N5550 D201 H5-4 R222 22K R223.22
Noise ground from Control PCB
R242 33K C214
R276 5K 5W V-
R279 100K R246 24K
R245 S1-4 24K C216 0.22F
C225 10F50V R255 2.2K H9-7 R282
27pF R258 A7-B + 15VDC R295 4.7K P202 R259 100K 3K cw
R287 470K 6 A8-B 5 C235.22F R285 7.22F 68K C241.22F 6 A10-B 5 7
C212 10F C213 10F
A3-B 5 7
A5-B 5 7
+15VDC THERMAL Thermal cut-off comparator Normal: Low Overheated: High 6 11.8V
C201 470F 25V
R290 47K 5
A11-B 7 R283
2.2K +15VDC Power-up timer Grounds from P.S. PCB
R243 33K 10K C215 S1-8 39pF
R292 Not Used A12-B 7 R293
Cool: Low Not Used D221 1N4003 Hot: High
R280 100K R291 47K
R19 470K R20 24K R288 47K
H1-2 H1-5 H1-7
Over-current comparator Normal: Low Noise ground from P.S. PCB
C210 56pF C211 56pF S1-6
Channel 2 ground lift
Ch 2 overcurrent to Driver PCB
R296 4.7K C240 10F R286 220K
Normal: Low Over-current: High
R297 R294 100K D220 1N4003 470K C242.01F
A9-B R289 100K
Power Supply PCB
H6-1 V+ from bridge rectifier
Fan control from Driver PCB
R2 100K VRR8 +15VDC' H1-6 H7.F V+ H6-8 D106 1N4003
A1-B C105 0.22F
AC center tap from transformer 80V
H1-1 0.56 C3 10K F H1-2 H1-5 H1-7 H6-1 R3 33K R133 100K H7-7 C107.001F R233 100K VR9 H9-7 H1-8 RC207.001F R234 47K
T1 Toriod 15-06120
AC input from transformer
QC1 D3 D4
Star Ground Point
H6-4 H6-5 H7-4 H7-6 C7 H9-6 E1 E100 E200
R230 470K D108 1N4003 A2-B
8 A Slo Blo.047F 250VAC
Impedance Switch 16A 250VAC
4/8 Bridge 1
Noise ground to I/O PCB
C11 470F/25V C12 470F/25V
C109 470F 25V D208 1N4003 A2-A
F Series Amp
1155 INDUSTRIAL AVE. ESCONDIDO, CA 92029 (619) 747-1710 FAX 747-9065
V- from bridge rectifier
+15VDC to I/O PCB
C209 470F 25V
D8 +15VDC' R5
D9 VR2 1N4003 7915
Craig R. Hockenberry
H1-3 SUNON 24VDC 3.4W Fan 1 H8-2 D105 1N4003
1N4003 + 15VDC
R1 2.2K D1 RED
47 YELLOW Q1 R6 3.3K R7 -15VDC 47 -15VDC'
Ch 1 Protect from Driver PCB
C20 470F 25V
ASSY. 80-06028 / 80-03028 NO: REVISED BY:
A2 / A2
VR3 22K Darlington MPS A14
Ch 2 Protect from Driver PCB
H6-2 D205 1N4003
21 MAY 96
-15VDC to I/O PCB
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