Lazy J Model 80 combo 2,244 GUITAR AMPS
Photography by PHILIP SOWELS

114 Guitarist July 2010

Lazy J Model 80 combo
Lazy Js Tweed Twin hotrod finally arrives, promising one of the fattest clean sounds out there by Nick Guppy
players struggling with five, 10 or 15 watts back in the fifties. However, if youre thinking clean as in cold and clunky, think again. The 80 is as sweet, warm and satisfying as honey on hot buttered toast. Its superbly responsive, with a medium-fast attack thats perfect for chicken picking and a very long natural sustain that
hile Fenders smaller Tweed amplifiers from the fifties the Junior, Champ and Deluxe have become some of the most highly prized collectables today, its worth remembering that the Tweed era was also the genesis for, arguably, the most widely-used Fender amp of all time: the Twin. For a while in the mid-to-late seventies predigital effects and amp modelling of course practically every recording studio and stage hire company in the world owned at least one Fender Twin Reverb combo, although when the Tweed Twin made its debut in the fifties, it lacked the now standard reverb. If you ever wondered what one of these early amps would have sounded like with Laurens Hammonds other great invention, Lazy J may well have the answer in its new Model 80. At first glance, the 80 appears to be a nicely-made replica of a fifties Twin Amp, with a handmade finger-jointed pine cabinet covered in thick, lacquered tweed. The chassis is chromed steel with white lettering and controls that go up to 12, in traditional Tweed style. The electronics are quite close to the original 5F8 schematic, with all the small components mounted on an eyelet board the traditional American way to build a guitar amplifier. The choice and positioning of components isnt accidental. Although my amps are inspired by old Tweed Fenders, I often make component changes, depending on the tone and response Im going for, explains Jesse Hoff, the man behind Lazy J. These can be as small as changing a resistor type or as big as a new output transformer. For this particular project, we wanted to create an amp that was very loud and clean, but also fat and warm
two characteristics that dont always sit well together. The critical thing here was getting a good balance between preamp and power amp gain. Its about creating warmth and harmonics, without sacrificing the responsiveness. The Model 80s standard of construction is very high indeed, with impeccable soldering and wiring, mostly using vintage Belden-style cloth-covered hook-up cable. The controls follow standard Tweed format, with two nonswitching channels called bright and normal, each with a pair of inputs and separate volume controls, which can be jumpered together with a short patch lead. Shared tone controls consist of bass, mid, treble and presence and its a true presence control, operating in the amps negative feedback loop, unlike on some amps where the presence control is simply a high treble EQ centred around the 4kHz region. Incidentally, the original 1954 Twin was the first Fender amp to feature this control. One extra chicken head knob next to the fuse carrier handles the 80s power fade function, which gradually adds or removes one pair of 6L6 power valves, varying the output from 40 to 80 watts. Hoffs choice of loudspeaker for this review amp is Celestions expansive and expensive Alnico Gold one of a handful of drivers still fabricated in the UK. Theres also an optional valve-powered Accutronics reverb spring, driven by a separate module mounted on the side wall of the cabinet, with two more 12AX7 valves and controls for reverb level and tone. I also offer an optional tremolo module Hoff adds. Its identical to the tremolo circuit I fitted to one of Eric Claptons Twins a while back. Also, because both modules are mounted in the
back of the amp, theres a cool stock modification to make the controls accessible: when the footswitch is plugged into the modules, the reverb intensity and tremolo speed can be adjusted by controls mounted on the footswitch itself.

The Rivals

Fenders Custom Shop 57 Tweed Twin (1,995) packs plenty of power and you can also remove a rectifier valve to lower the output, theres no reverb though. Victorias 80212 (3,495) delivers a highly-focused tone thats instant Fullerton circa 1959. Used by Keith Richards, need we say more? One of the best regarded builders of Tweedstyle amps, Michael Clarks Clark Low Country (approx $4,000 plus shipping) is a big Twin replica that packs a real punch. Reverb is available as an extra.

Sounds

Unlike many amps in this genre, the Lazy J 80 is biased toward producing big clean sounds at professional gig levels, which means its loud. The maximum output is 80 watts, which you might think is relatively modest by todays standards, but this amp really shifts the air. Imagine the revelation the original Tweed Twin must have been for

Unlike many amps in this genre, the Lazy J 80 is biased toward producing big clean sounds at pro gig levels

July 2010 Guitarist 115

clings to bent notes and flatters subtle vibrato use. All this is enhanced by the superb valve reverb module, which has enough level and tonal range to suit any taste, going from crashy surf excess to a fat, dark halo that sounds more like a very expensive studio effect. The 80 is equally happy with single coils or humbuckers, though a really dark midrangebiased humbucker wont produce enough high-end to make the speakers work properly. The treble response when used with our regular Strat was simply breathtaking, with exceptional articulation and none of the rogue high frequency peaks that often afflict clean channels. As you turn up the volume, theres a wonderful chiming effect that adds extra punch to chords without spoiling the note definition; even when the amp is overdriving properly with everything on 12, you can still hear every string.
The chickenhead knobs are of course, present and correct
The power amp fade control helps to dial-in this magic at higher or lower volume levels, although at 40 watts with one pair of 6L6s completely dialled-out, its still very loud. If you push it really hard the amp goes into a thick crunch, without sacrificing its headroom. Some players prefer to get their drive sounds from pedals and this amp is ideally suited for that, says Hoff. However, recently Ive added a push/pull switch that increases the gain in the second preamp
stage and gives the amp quite a bit more drive if desired. This exact chassis was recently on tour with Public Image Ltd and has also been used in the studio by Razorlight and Richard Ashcroft. Im also making another one for PiL to use for their US tour.
PRICE: 2,244 ORIGIN: UK TYPE: All-valve, two-channel combo with valve rectification OUTPUT: 80 watts RMS VALVES: 3 x ECC83/12AX7, 4 x 6L6GC power amp, one GZ34 rectifier DIMENSIONS: 470 (h) x 670 (w) 240mm (d) WEIGHT (kg/lb): 30/66 CABINET: Solid pine with fingerjointed corners LOUDSPEAKER: Two 12-inch Celestion Alnico Gold CONTROLS: Bright volume, normal volume, presence, middle, bass, treble, power fade control, reverb level, reverb tone FOOTSWITCH: Single-button footswitch toggles reverb effect ADDITIONAL FEATURES: Power fade control continuously varies output from 40-80 watts, extension speaker jacks OPTIONS: The base price of the Model 80 combo is 1,995; our review sample adds the all-valve reverb module with level and tone controls (249). Other options are Tremolo (with remote control footswitch) at 149. Various speaker options from Celestion or Tayden are available POA RANGE OPTIONS: Lazy Js Tweed Deluxe-inspired Model 20 costs around 1,300 depending on the spec Lazy J info@lazyjprojects.com www.lazyjprojects.com

Verdict

As you turn up the volume, theres a wonderful chiming effect that adds extra punch to chords
Some of the worlds greatest players have instantly recognisable signature tones based on huge clean sounds. The Model 80 delivers the full gamut of Tweed tone clean and overdriven but clarity is where this amp really excels. Especially well suited for country pickers and pedal or lap steel users, its a big stage amp for professional players. Its not best suited to home use, but put it in the environment it was designed for and it will come alive. The quality of tone and build is exceptional, something thats clearly winning Hoff plenty of friends, with recent customers including Noel Gallagher, PiLs Lu Edmonds, Pete Townshend and Doyle Bramhall II. Its not cheap, but as a true boutique amp with real American mojo, but made in the UK. Its very good value too if it came from the USA you could easily add another thousand to the asking price.

The Bottom Line

We like: Superlative clean tone; built to last We dislike: Its quite a niche amp not for everyone Guitarist says: Lazy Js Model 80 combo is more than just a Tweed replica, its extra features really work. And then theres the sound

Test results

Build quality Features Sound Value for money Guitarist rating
The Celestion Alnico Gold speakers are premium options at a premium price

116 Guitarist July 2010

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NSISTORESTRANSISTORS
DEVICE Number collector amps/volts case type
TIP31C Mot 5/100TO-220 - NPN, replaces TIP29A, B, C, 31A, B TIP32C Mot 5/100TO-220 - PNP, replaces TIP30A, B, C, 32A, B TIP41C Mot 7/100 - TO-220 - NPN, high current TIP42C Mot 7/100 - TO-220 - PNP, high current MJ15003 Mot

MJ15004

20/140 - TO-3 - NPN 20/140 - TO-3 - PNP 16/120 - TO-3 - NPN, replaces 2N3055 and many others 16/120 - TO-3 - PNP, compliment to MJ15015 16/200 - TO-3 - NPN, high power

MJ15015

MJ15016

MJ15022

Mot MJ15023 MJ15024 Mot

MJ15025

16/200 - TO-3 - PNP, compliment to MJ15022 16/250 - TO-3 - NPN, high power and high voltage 16/250 - TO-3 - PNP, high power and high voltage 16/160 - TO-3 - NPN, popular output device 200ma/60 - NPN 200ma/40 - PNP
Mot 2N3773 Mot 2N3904 2N3906
RCA 40409.7/90 - TO-39 - Driver Transistor w/heat sink
RCA 40410.7/90 - TO-39 - Driver Transistor w/heat sink

DIODES

Voltage / Current / DESCRIPTION
DI1KV2.5A 1K PIV - 2.A General replacement diode used in Fender and other non-tube rectifier circuits

INTEGRATED CIRCUITS

TL072 ACP TI TL074 CN TI LF351 N SGS LF353 N Mot MC4558 CP Mot NE5532 AN TI NE5534 N TI SAD1024

DESCRIPTION

Dual Op Amp Quad Op Amp High Quality TL071 and 741 (most cases) High Quality TL072 and 4558 (most cases) Dual Op Amp replaces 1458(most cases) Hi Performance, Super Low Noise Op Amp replaces 4558 (most cases) Hi Performance, Super Low Noise Op Amp replaces 741 (most cases)
Bucket Delay NOTE: Extremely sensitive to static electricity. Handle with care to avoid failure.

/TRANSISTORS

BREAKER

70400014

70400604 70400761

Description

SBS 14 SAC 187 Triac J-231 FET -15V,1A Regulator +15V,1A Regulator SN99661P/TL604 IC SB5400/761

70402152

70406533
SJE 2152 Transistor SJE 2153 Transistor SICA 3919/953 Q-4025P Triac 2N4249 SJE 5331 SJE 5332 SJE 6018 SJE 6019 SJ 6465 MPS 6531 MPS 6533 Substitute for 70406531 Substitute for 70406533 SDS 7204 SDS-Transistor SZ-13886-2 Diode 14560 Transistor MJE 15030 Transistor MJE 15032 Transistor RFM10P15 IRF230 Power Mosfet Power Mosfet 67376 Transistor 68271 Transistor SJ-71180 Transistor SJ-71200 Transistor SJ-73100 SJ-73180 Transistor SJ-74140 Transistor SJ-74200 Transistor SJ81140/SJ6344/SJ6465
PV70466531 PV70474200 70481140

70481180

99598160
SJ-81180 Transistor SJ-81200 Transistor SJ-83100 Transistor SJ6343B/SJ83180 SJ84140/SJ6357 SJ-84200 Transistor 87478 I.C. Thermal Breaker 604 Replacement 604 Replacement

PV POTENTIOMETERS

71190522 71190528
50K Lin 31 20K Slide 10KA, 100mm Slide Pot 50K Slide Pot, 45mm 10K Slide Pot 50K Pot w/Switch (CS800) 10K Lin Slide 50K Rotary 10K Lin Pot Pot, 10KA 100KA 250K POT 50K Pot 10K Lin Pot W/Brkt PV Pot Pot 250KA W/Brkt Pot 250KL Pot 250KL W/Brkt 1 MEG A 10K Audio Min. UPC/Bracket

71190702

71190556
10K 12MMROTARY POT Pot Dual 50KL

CAPACITORS

70320165
4700uf at 63v, Can (replacement for 5,000 at 55v)
KNOBS/HARDWARE/SWITCHES/JACKS

PV70900029

PV70900270 PV70902022 PV70902023 PV70902025 PV70902041 PV70902052 PV70902062 PV70902072 PV70902145 PV71322229 PV71322278 PV71466018 PV71466032 PV71466036 PV71466037 PV71466042 PV71466052 PV71466164 PV71466167 PV71466200 PV71466201
Cord Bracket Discontinued Knob Black/Grey Rotary Knob Black/Dark Grey Rotary Knob Black/Turquoise Rotary Knob Black/Coral Rotary Graphic Knob, Black/Grey Knob Black/Grey Slide (Unity) Knob - CS800 Black/Grey Rotary Knob - Classic 50 Black/Pointer Rotary Lighted Switch - CS800 AC Power Switch - Classic VTX 6 Pin Din Chassis Jack Jack Insulated Jack Stereo Jack - Plastic Bushing Stereo Jack - Metal Bushing Female Receptacle Use Jack R/A Jack-Stereo Blk Binding Post-PC Red Binding Post-PC
DIAPHRAGMS/BASKET ASSEMBLIES P/N
14XT 22A, 22T and 22XT 44T HT94 Piezo Motor Unit PV 70777060 CH-90 PMR30851 1201-8 1202N-4 1203-4 1203-8 1206-4 1208-4 1208-8 S 10825G S 12425 S 12825 S 10825 SP 15425 SP15825 1502-4 DT 1502-8 DT 1501-4 DT 1504-4 DT 1505-4 DT 1505-8 DT 1801-4
Diaphragm Diaphragm Diaphragm Diaphragm #70777059 USE FOSTER/PAS (in Diaphragms) Diaphragm #70777115 Diaphragm #70777146 Replacement Basket Replacement Basket Replacement Basket Replacement Basket Replacement Basket Use 1202N-4 Replacement Basket Replacement Basket Replacement Basket Replacement Basket Replacement Basket Replacement Basket Replacement Basket Replacement Basket Replacement Basket Replacement Basket Replacement Basket Replacement Basket Replacement Basket Replacement Basket Replacement Basket

1801-8

Replacement Basket

REVERB BAG

PV92700001 Fits standard 17" reverb can. Great replacement for vintage Fender amps.

2SC1027

ITEM 2SC1027 2SC1111 2SC1213 2SC1222 2SC1345 2SC1382 2SC1384 2SC1472 2SC1509 2SC1583 2SC1586 2SC1624 2SC1626 2SC1628 2SC1681 2SC1740 2SC1775 2SC1815 2SC1844 2SC1845 2SC1885 2SC1904 2SC1923
DESCR 2SC1111 TRANSISTORS 2SC1213 TRANSISTORS 2SC1345 NPN TRANSISTORS; 2SC1382 TRANSISTORS 2SC1384 TRANSISTORS 2SC1472 TRANSISTORS TRANSISTORS; PNP AUDIO AMPLIFIERS 2SC1583 DUAL TRANSISTOR 2SC1586 TRANSISTORS

PARTNO 12705285

NPN TRANSISTORS; 2SC1624; KSAMPL 12705050 2SC1626 TRANSISTORS
2SC1628 NPN TRANSISTORS JC-120 /
160 TRANSISTORS; 2SC1740 2SC1775 TRANSISTORS; 2SC1815 TRANSISTORS; ROLAND; MX-80 TASCAM M-216 MIXER; 2SC1844 TRANSISTORS, 2SC1885 TRANSISTOR NPN, SI-AF DRIVER, TO-126 2SC1923 TRANSISTORS; 20MA/100MW

12741740 12705320

2SC1953

2SC2002 2SC2168

PC2002 AMPLIFIER TRANSISTOR2SC1953 2SC2002 NPN TRANSISTORS 2SC2168 TRANSISTORS; SRA-4800 2SC2229 NPN TRANSISTORS; 50MA/.8W 2SC2238 TRANSISTORS 2SC2240 TRANSISTORS; KS100 AMPLIFIER 2SC2291 2SC2320 TRANSISTORS; KS100 AMPLIFIER 2SC2336 TRANSISTORS 2SC233R; USA850 TRANSISTORS, 2SC2344 2SC2555; T0-3 TRANSISTORS 2SC2581 NPN TRANSISTOR; 10A/100W TRANSISTOR, 2SC2603 YAMAHA PC2002; TRANSISTOR FENDER 2244; EMX-22200; 2SC2682 2SC2704; EMX-300 TRANSISTORS TRANSISTOR, 2SC2773 2SC2774 TRANSISTORS 2SC2785K

12708995

12715525

2SC2229

2SC2238 2SC2240 2SC2291 2SC2298 2SC2320 2SC2336 2SC2336 2SC2344 2SC2555 2SC2581 2SC2603 2SC2608 2SC2682 2SC2694 2SC2704

12715530 12715810

2SC2773

2SC2774

2SC2785K 2SC2792 2SC2837 2SC2878 2SC2921 2SC2922 2SC3182 2SC3280 2SC3281 2SC3281A 2SC3298B
2SC2878 TRANSISTORS 2SC2921 TRANSISTORS; MEGA AMP 400 2SC3182 NPN TRANSISTOR; 10A/100W TRANSISTOR; 2SC3280; IX608120 YAMAHA 2SC3281A TRANSISTORS TRANSISTOR: 2SC3298B

12725160 12725190

2SC3306

2SC3383

ROLAND SRA-4800 AMPLIFIER; 2SCINKEL MA-920; AP-2130; 2SC3856 INKEL/SAMICK/ROSS; 2SC3858 2SC388A TRANSISTORS ROLAND VS-1680 TRANSISTORS 2SC4117GR YAMAHA B-4CR; 2SC458 2SC535B; HARMAN KARDON; FM MIXER,OSC 2SC536 TRANSISTORS 2SC752 TRANSISTORS 2SC783 TRANSISTORS TRANSISTORS, 2SC828 2SC900 TRANSISTORS TRANSISTORS; 2SC945 2SC945Q NPN TRANSISTORS; ROLAND 2SC945Q; ROLAND GM SELECTED TRANSIST FOSTEX B-16 RECORDERS; 2SD1047E 2SD1207 TRANSISTORS; SPX90II 2SD1406 TRANSISTOR JX-8P POWER SUPPL YAMAHA AX-500U; 2SD1718 TRANSISTORS FOSTEX B-16 MULTITRACK RECORDER 2SD2012 TRANSISTORS; CL-50, BOSS 2SD234 TRANSISTORS 2SD313 YAMAHA CA-600; 2SD12705060 12724910

2SC3416 2SC372 2SC373

2SC3856 2SC3858
2SC388A 2SC4117GR 2SC458 2SC535B 2SC536 2SC732 2SC752 2SC783 2SC828 2SC900 2SC945 2SC945Q 2SC945Q 2SD1047E 2SD1207 2SD1406 2SD1718 2SD1741P 2SD2012 2SD234 2SD288 2SD313 2SD371

2SD381 2SD414

2SD424 2SD425 2SD427 2SD438
12705025 2SD414 TRANSISTORS 2SD424 NPN TRANSISTORS; 15A/150W NPN TRANSISTORS; 2SD425 2SD438 TRANSISTORS; YAMAHA TRANSISTORS, 2SD526 2SD555 NPN TRANSISTORS; 12714315 12701415

12722570

2SD468C 2SD526
2SD555 2SD571 2SD586 2SD600

12713030 12713015

2SD600 TRANSISTORS D667B TRANSISTORS, (2SD667B) 2SD667C; MT-32 (ROLAND) 2SD668 NPN TRANSISTORS; 50MA/1W 2SD669 TRANSISTORS; ROLAND FOSTEX B-16; SYSCON BOARD TRANSISTORS; 2SD718; B100-112III TRANSISTORS; 2SD727 2SD756A NPN-SI TRANSISTORS 2SD786 NPN TRANSISTORS; SUB: NTE280 T-NPN, SI; 100W, TO-3 TRANSISTORS, 2SD845 2SD880 TRANSISTORS; TR-808; MARSHALL 8200 C TRANSISTOR; J162 J40 MOSFET TRANSISTORS; 2SJ40 2SJ48 MOSFET TRANSISTOR; P CHANNEL 2SJ49 MOSFET TRANSISTORS 2SJ74BL FET TRANSISTORS MARSHALL 8200 C TRANSISTOR K1058 FET; 2SK117; SEE 2SK118

12709965 12701655

12723960

2SD608A

2SD667B 2SD667C
2SD668 2SD669 2SD716 2SD718 2SD727 2SD756A 2SD786

2SD794A

2SD844 2SD845

2SD880

12727380 12701215

2SJ162 2SJ40 2SJ48

2SJ74BL 2SK1058 2SK117GR 2SK117Y
2SK118 2SK118Y 2SK133 2SK134 2SK1340 2SK146

2SK170 2SK176

2SK118 J-FET; N-CHANNEL TRANSISTORS 2SK133 MOSFET TRANSISTORS 2SK134 MOSFET TRANSISTORS 2SK1340, HITACHI POWER FET N-C 2SK146 DUAL FET TRANSISTORS; PC2002 2SK170 FET TRANSISTORS CITRONIC/LANTEK PPX900; TRANSISTORS 2SK184GR TRANSISTORS; CE-5; BOSS 2SK208 FIELD EFFECT TRANSISTORS 2SK233 TRANSISTORS; FETS 2SK241 FET TRANSISTORS 2SK246 FET TRANSISTORS 2SK270A DUAL FET TRANSISTORS 2SK30A JFET N-CHANNEL TRANSISTORS 2SK364 FIELD EFFECT TRANSISTORS 2SK367 FET TRANSISTORS 2SK373 FET TRANSISTORS 2SK68A J-FET, N-CHANNEL TRANSISTORS ROCKTRON 300A SCHEMATICS ROCKTRON 300G COMPRESSOR SCHEMATICS TOA 310D TECHNICAL SERVICE MANUAL ROCKTRON 311 SCHEMATICS 311D INTEGRATED CIRCUITS 3146N; INTEGRATED CIRCUITS HARMAN KARDON 330B AMPLIFIER SERVICE 3404AD INTEGRATED CIRCUITS FOSTEX 380S MULTITRACKER SERVICE DAT AMPLIFIER IC; 386D; X-15

12704115

2SK184GR 2SK208 2SK223 2SK241 2SK246 2SK270A 2SK30A 2SK364 2SK367 2SK373

2SK68A

300A SCHEMATICS 300G SCHEMATICS 310D SERVICE MANUAL 311 SCHEMATICS 311D 3146N 330B SERVICE MANUAL 3404AD 380S SERVICE MANUAL 386D
3SK45B 400 SCHEMATICS,ALIGN 4000 DISCO MIXER SCH 4007 400B SCHEMATICS 4013

4017 4018

HARMAN KARDON HK 450; FET FM RF AMP PHASE LINEAR 400 ALIGNMENT/SCHEMATIC 4000 DISCO MIXER SCHEMATICS; BIAMP QUAD 2 INPUT NOR GATES DUAL 4 INPUT NOR GATE DUAL COMP. PAIR PLUS INVERTER PHASE LINEAR 400B SCHEMATICS QUAD 2 INPUT NAND GATES; 4011 DUAL 4 INPUT NAND GATE; 4012 DUAL D FLIP-FLOP GATE; 4013 DUAL 4 BIT STATIC SHIFT REGISTER QUAD ANALOG SW; QUAD MULTIPLEXER 4017 DECADE COUNTER/DIVIDER PRESET. DIVIDE BY N COUNTER QUAD AND-OR SEL. GATES 14 BIT BINARY COUNTER 8 BIT STATIC SHIFT REGISTER TRIPLE 3 INPUT NAND GATE 7 STAGE RIPPLE CTR, ASYNC CLR TRIPLE 3 INPUT NOR GATE DUAL J-K FLIP-FLOP; 4027 BCD-DECIMAL DECODER, 4 BIT 4029 BIN/DEC UP-DOWN COUNTER 40327 TRANSISTORS; 40409 RCA TRANSISTORS; RCA TRANSISTORS; TRANSISTORS; (SEE MICK!!) 40412 RCA TRANSISTORS; 4042 QUAD LATCH SEE TEK DEPT B4 SELL QUAD R-S LATCH; TRI-STATE 4046; PLL; MICRO POWER 4049 HEX BUFFERS

12703245 12703250

4023 4024

4051 4052

4050 HEX BUFFERS 8 CHANNEL ANALOG MULTIPLEXER DUAL 4 CHANNEL ANALOG MUX QUAD ANALOG SWITCH; 4066; CMOS HEX INVERTERS; 4069 QUAD EXCLUSIVE OR GATES QUAD 2 INPUT OR GATES; IN NOR/OR GATES QUAD 2 INPUT AND GATES; 4081 DUAL 4 INPUT AND GATE INTEGRATED CIR RCA 40823 TRANSISTORS 4094 8-STAGE SHIFT/STORE; TRISTATE 4099; 8 BIT ADDRESSABLE LATCH

12738485 12724990

40H032
40H032; ROLAND GP-8; QUAD 2-IN OR 4116B-002-472 BOURNS 4116B-002-472; R-PACK 414 SERVICE MANUAL TEAC 414 SERVICE MANUAL
414 SERVICE MANUAL TASCAM 414 PORTASTUDIO SERVICENOT 12738165 4151CP 4174 4151CP; V-F CONVERTERS 4174; HEX D; POS EDGE 12703445
424 SERVICE MANUAL TEAC 424 TECHNICAL SERVICE MANUAL 424 SERVICE MANUAL TASCAM 424 PORTASTUDIO 424II SERVICE MANUAL 424MKII SERVICE DATA 4264-15 42710, IC 4364, 8KX4503 TEAC 424II SERVICE MANUAL TASCAM 424MKII PORTASTUDIO TEAC A7010-GSL, INTEGRATED CIRCUITS LEXICON, LXP-5; IC SRAM, 150 STROBED HEX INV/BFR; TRI4503; TRI-STATE HEX NON-INV BUFF 4503; TRI-STATE HEX NON-INV BUFF

4556 4558

TRI-STATE HEC NON-INVERTING BUFFERS QUAD BCD UP COUNTER; 4518 DUAL BIN UP CTR (EDGE TRIG.); BIT PRIORITY ENCODER; 4532 DUAL BINARY 1 OF 4 DEC/DEMUX; DUAL OPERATIONAL AMPLIFIERS 4558C DUAL OP-AMP; SM; EBS OCTABASS FOSTEX B-OPERATIONAL AMPLIFI 4560; DUAL OPERATIONAL AMPLIFIERS 4560 8P DIP SURFACE MOUNT INTEGRATED 4560 INTEGRATED CIRCUITS SEE NJM4560
4560DX TASCAM M-216; NJM4560DX

12738660 12738665

4558C 4560

4560DX

4565DD

4584 4585

8PDIP 4560DD OPERATIONAL AMPLIFIERS 4580 DIP; SURFACE MOUNT INTEGRATED C 4583 DUAL SCHMITT TRIGGERS 4584 HEX SCHMITT, INVERTERS BIT MAGNITUDE COMPARATORS
464 SERVICE MANUAL TASCAM 464 PORTASTUDIO OWNER'S MANUAL

488 OWNER'S

MANUAL
4741; MC4741 OPERATIONAL AMPLIFIERS TASCAM 488 PORTASTUDIO OWNER'S MANUA TASCAM 488 OWNER'S; FRENCH MANUAL TASCAM 488 OWNER'S; DEUTSCH MANUAL TASCAM 488 OWNER'S; ITALIANO
MANUAL HT-400 TELEX WIRELESS MICROPHONES
488 SERVICE MANUAL TASCAM 488 PORTASTUDIO 488MKII OWNER'S MANU 488MKII SERVICE DATA 4B4B41 4N25 4N28 4N33 4N35 5011CN 5014CN SERVICE DATA 5218
TASCAM 488MKII OWNERS MANUAL TASCAM 488MKII PORTASTUDIO MANUAL 4B4B41 BRIDGE RECTIFIERS 4N25 OPTO-COUPLERS 4N28 OPTO; 1.5V 80MA; PHOTO TRANSIST 4N33 OPTOCOUPLERS 4N35 OPTOCOUPLERS 5011CN; ROSS AMPLIFIERS ROSS; 5014CN 50241 TOP OCTAVE DIVIDERS FOSTEX 5040 SERVICE DATA; D-OP AMP; 8 PIN DUAL IN-LINE PACK 5220; KAWAI 5331 DRIVER TRANSISTORS; PEAVEY 5332 DRIVER TRANSISTORS;

536F 5380, SCSI INTERFACE SCSI INTERFACE 5380 5534A
564 SERVICE MANUAL TASCAM 564 DIGITAL SEE ANPIN SIP INTEGRATED CIRC PC4/XLA 18 BIT STEREO D/A CONVERTERS
5B SERVICE MANUAL TASCAM 5B MIXER SERVICE 5EX SERVICE MANUAL 6100E SERVICE MANUAL 6100R SERVICE TASCAM 5EX AUDIO MIXER SERVICE MANUA TAPCO 6100E SERVICE MANUAL TAPCO 6100R SERVICE MANUAL
MANUAL 6116 PEAVEY ADDVERB; DIGITECH RP1; R 12711820 12712450
61J221F GATE ARRAYS SEE HD61J221F; ROLAND GATE 62792 62B50P 62HTRANSISTORS; PEAVEY 62B50P ACIA; ROLAND PRO-E; ROLAND GP-8 (SYSTEM GATE ARRAY)
63H101; GATE ARRAY 63H101 ROLAND SDE1000 GATE
644 SERVICE MANUAL TASCAM 644 MIDISTUDIO SERVICE 12738120 6522AP 66161 67-06C-14-12S 67376-2 67L085, THERMAL BRKR OWNER'S MANUAL 6522AP; VIA 66161, TO-3 TRANSISTORS AMPHENOL CONNECTORS 67376-2 TRANSISTORS (PEAVEY) PEAVEY DPC1000; 67L085 THERMAL BREAK 68271 TO-3 PEAVEY TRANSISTORS TASCAM 688 MIDISTUDIO OWNER'S MANUAL 12744820
688 SERVICE MANUAL TASCAM 688 MIDISTUDIO SERVICE 12738115 68A21P 68B50P 68HC705C8 6F20 6N137 6N138 PIA; 68A21P 68B50P; ASYNCHRONOUS COMM. INTERFACE 68HC705C8 MICROCONTROLLERS 200 VOLTS, 6 AMPS; CATHODE 6N137 PHOTO-COUPLERS; U-20, D-5 6N138 OPTOCOUPLER; 1.7V / 10MA DARL 12718130
700 SERVICE MANUAL PHASE LINEAR 700 SERVICE 7000 SERIES SCHEMATI 700B SERVICE MANUAL 7036HS 70413080 TAPCO 7000 SERIES SERVICE DOCUMENTS PHASE LINEAR 700B SERVICE MANUAL 7036HS PEAVEY; SEE PIN DIP; PEAVEY 70413080

7042 70471180

70473180
7042 MOSFET, PEAVEY DECA AMPLIFIERS PEAVEY TRANSISTORS, 1 AMP, 180 VOLTS PEAVEY PV 1200 AMPLIFIERS; MJ15021 PEAVEY 70473100 TRANSISTORS PEAVEY 70473180 TRANSISTORS PEAVEY 70474140 TRANSISTORS; SEE SJ8 PEAVEY PV 1200 AMPLIFIERS PEAVEY TRANSISTORS, 1 AMP / 180VOLTS PEAVEY PV 1200 AMPLIFIERS 70483100 TO-3 TRANSISTOR; PEAVEY PEAVEY POWER TRANSISTORS; TO-3 PEAVEY POWER TRANSISTORS; TO-3 PEAVEY; TO-3; 70484200 PEAVEY 70487478 INTEGRATED CIRCUITS ROCKTRON INTELLIVERB; 7205; PEAVEY 2.6C AMPLIFIER 70467205 723CN; ROLAND SYSTEM 100 Next Page TOP

12721670

70474140

70484200 70487478

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Peavey Semiconductors (Prefix 704)
Includes Diodes, FET's, IC's, LED's, Mosfets, Transistors, and Triacs
Part Description Part Number

Triac SBS14 PV70400014

IC TL072 Dual Bi-FET PV70400072 Transistor J111 PV70400111 Transistor J-174 30V T0 92N-Chanfe PV70400174 Triac SAC187 PV70400187
Transistor J2311 FET 40V T0 92N-CH
PV70400231 Transistor EP-430 NPN T0-220 PV70400430 Transistor EP-431 PNP T0-220 PV70400431

71190079 10KA, 100mm Slide Pot
71190094 50K Slide Pot, 45mm 71190108 10K Slide Pot 71190274 50K Pot w/Switch (CS800) 71190275 10K Lin Slide 71190335 50K Rotary 71190336 10K Lin Pot 71190337 Pot, 10KA 71190338 100KA 71190339 250K POT 71190340 50K Pot 71190510 10K Lin Pot W/Brkt 71190511 PV Pot 71190514 Pot 250KA W/Brkt 71190515 Pot 250KL 71190518 Pot 250KL W/Brkt MEG A 71190528 10K Audio Min. UPC/Bracket 71190702 10K 12MMROTARY POT 71190556 Pot Dual 50KL
CAPACITORS 70320165 4700uf at 63v, Can (replacement for 5,000 at 55v)
KNOBS/HARDWARE/SWITCHES/JACKS P/N Description PV70900029 Cord Bracket PV70900270 Discontinued PV70902022 Knob Black/Grey Rotary PV70902023 Knob Black/Dark Grey Rotary PV70902025 Knob Black/Turquoise Rotary PV70902041 Knob Black/Coral Rotary PV70902052 Graphic Knob, Black/Grey
PV70902062 Knob Black/Grey Slide (Unity)
PV70902072 Knob - CS800 Black/Grey Rotary PV70902145 Knob - Classic 50 Black/Pointer Rotary PV71322229 Lighted Switch - CS800 PV71322278 AC Power Switch - Classic VTX PVPin Din Chassis Jack PV71466032 Jack PV71466036 Insulated Jack PV71466037 Stereo Jack - Plastic Bushing PV71466042 Stereo Jack - Metal Bushing PV71466052 Female Receptacle Use PV71466164 Jack PV71466167 R/A Jack-Stereo PV71466200 Blk Binding Post-PC PV71466201 Red Binding Post-PC
DIAPHRAGMS/BASKET ASSEMBLIES P/N Description 14XT Diaphragm 22A, 22T and 22XT Diaphragm 44T Diaphragm HT94 Diaphragm Piezo Motor Unit #70777059 PV 70777060 USE FOSTER/PAS (in Diaphragms) CH-90 Diaphragm #70777115 PMR30851 Diaphragm #70777146 1201-8 Replacement Basket 1202N-4 Replacement Basket 1203-4 Replacement Basket
1203-8 Replacement Basket 1206-4 Replacement Basket Use 1202N-4 1208-4 Replacement Basket 1208-8 Replacement Basket S 10825G Replacement Basket S 12425 Replacement Basket S 12825 Replacement Basket S 10825 Replacement Basket SP 15425 Replacement Basket SP15825 Replacement Basket 1502-4 DT Replacement Basket 1502-8 DT Replacement Basket 1501-4 DT Replacement Basket 1504-4 DT Replacement Basket 1505-4 DT Replacement Basket 1505-8 DT Replacement Basket 1801-4 Replacement Basket 1801-8 Replacement Basket REVERB BAG PV92700001 Fits standard 17" reverb can. Great replacement for vintage Fender amps. DEVICE Number collector amps/volts case type TIP31C Mot 5/100TO-220 - NPN, replaces TIP29A, B, C, 31A, B TIP32C Mot 5/100TO-220 - PNP, replaces TIP30A, B, C, 32A, B TIP41C Mot 7/100 - TO-220 - NPN, high current TIP42C Mot 7/100 - TO-220 - PNP, high current MJ15003 Mot 20/140 - TO-3 - NPN MJ15004 Mot 20/140 - TO-3 - PNP MJ15015 Mot 16/120 - TO-3 - NPN, replaces 2N3055 and many others MJ15016 Mot 16/120 - TO-3 - PNP, compliment to MJ15015 MJ15022 Mot 16/200 - TO-3 - NPN, high power MJ15023 16/200 - TO-3 - PNP, compliment to MJ15022 MJ15024 Mot 16/250 - TO-3 - NPN, high power and high voltage MJ15025 Mot 16/250 - TO-3 - PNP, high power and high voltage 2N3773 Mot 16/160 - TO-3 - NPN, popular output device 2N3904 200ma/60 - NPN 2N3906 200ma/40 - PNP RCA 40409.7/90 - TO-39 - Driver Transistor w/heat sink RCA 40410.7/90 - TO-39 - Driver Transistor w/heat sink

P N Voltage / Current / DESCRIPTION DI1KV2.5A 1K PIV - 2.A General replacement diode used in Fender and other non-tube rectifier circuits
INTEGRATED CIRCUITS P N DESCRIPTION TL072 ACP TI Dual Op Amp TL074 CN TI Quad Op Amp LF351 N SGS High Quality TL071 and 741 (most cases) LF353 N Mot High Quality TL072 and 4558 (most cases) MC4558 CP Mot Dual Op Amp replaces 1458(most cases) NE5532 AN TI Hi Performance, Super Low Noise Op Amp replaces 4558 (most cases) NE5534 N TI Hi Performance, Super Low Noise Op Amp replaces 741 (most cases) SAD1024 Bucket Delay NOTE: Extremely sensitive to static electricity. Handle with care to avoid failure. TRANSISTORS DEVICE Number collector amps/volts case type TIP31C Mot 5/100TO-220 - NPN, replaces TIP29A, B, C, 31A, B TIP32C Mot 5/100TO-220 - PNP, replaces TIP30A, B, C, 32A, B TIP41C Mot 7/100 - TO-220 - NPN, high current TIP42C Mot 7/100 - TO-220 - PNP, high current MJ15003 Mot 20/140 - TO-3 - NPN MJ15004 Mot 20/140 - TO-3 - PNP MJ15015 Mot 16/120 - TO-3 - NPN, replaces 2N3055 and many others MJ15016 Mot 16/120 - TO-3 - PNP, compliment to MJ15015 MJ15022 Mot 16/200 - TO-3 - NPN, high power MJ15023 16/200 - TO-3 - PNP, compliment to MJ15022 MJ15024 Mot 16/250 - TO-3 - NPN, high power and high voltage MJ15025 Mot 16/250 - TO-3 - PNP, high power and high voltage 2N3773 Mot 16/160 - TO-3 - NPN, popular output device 2N3904 200ma/60 - NPN 2N3906 200ma/40 - PNP RCA 40409.7/90 - TO-39 - Driver Transistor w/heat sink RCA 40410.7/90 - TO-39 - Driver Transistor w/heat sink
DIODES P N Voltage / Current / DESCRIPTION DI1KV2.5A 1K PIV - 2.A General replacement diode used in Fender and other non-tube rectifier circuits
INTEGRATED CIRCUITS P N DESCRIPTION TL072 ACP TI Dual Op Amp TL074 CN TI Quad Op Amp LF351 N SGS High Quality TL071 and 741 (most cases) LF353 N Mot High Quality TL072 and 4558 (most cases) MC4558 CP Mot Dual Op Amp replaces 1458(most cases) NE5532 AN TI Hi Performance, Super Low Noise Op Amp replaces 4558 (most cases) NE5534 N TI Hi Performance, Super Low Noise Op Amp replaces 741 (most cases) SAD1024 Bucket Delay NOTE: Extremely sensitive to static electricity. Handle with care to avoid failure.
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