- Need Help with Marshall Mosfet
- 1972? Orange PA120 (Warning BIG PICS)
- 7 pin midi
- How do I bias a Peavey Windsor Head
- JCM 900 with loud channel switching pop.
- Peavey 5150 problem
- Will badly biased tubes take out an OT?
- who has NOS jacks?
- Ampeg B2-RE bass amp DC on output
- Old Carvin Pro Bass II 300 pops and crackles
- Acoustic B100H Schematic?
- AB763 Showman Replacement PT Info?
- Roland Jazz Chorus-120
- Vibrolux 6G11a low voltage. Replaced transformer. please help..
- Deluxe Reverb Distortion
- Vox AC30 RI head with AC on the B+
- Cross referencing-finding parts
- Marshall TSL lead channel not working
- Furman PL-8 Series II
- Hartke 3500 transformer supplier?
- Marshall 201 footswitch
- BDW83D and BDW84D TO-3P Equivalents ???
- speaker polarity
- hartke 3500 amp .. problem blowing speakers
- Anybody got a pic of the underside of a Fender Bandmaster Power Supply board?
- Blues Junior distortion
- Carvin Stereo Tube 100 (TS100)
- PEAVEY CLASSIC 30 HUM whilst playing
- 50 Caliber reverb wire
- High-pitch noise in modded Peavey Classic30 (oscillation?)
- Orange OR120
- fender ultra chorus volume problem
- Reverb/Noise issues on Silverface Princeton Reverb
- Help With A JCM2000 TSL 122!
- Mesa 50 Caliber reverb wire
- Marshall 8100 Valvestate Volume issue on Distortion channel
- Marshall G80R CD lights up no output
- Dsl 100 Preamp hum
- Another DSL Marshall problem..
- Low Bias Voltage on Crate TV-120
- SVT 4 Pro issues
- marshall 20/20 el84 problem :-(
- SVT-3 PRO fan problem
- Ampeg Smokey Burning and Blue Flashes!!!
- want to help me help kids? (amp repair)
- ampeg reverbrocket 2 voltage chart wanted
- What Voltage should my Bias be set at?
- Fender Blues Deluxe Reissue completely dead
- Peavey Microbass
- matched tube question
- Maximum voltage on oscilloscope
- Vibro-King EL84 Modification?
- Fender Princeton Chorus question
- ampeg reverbrocket question
- Multivox Tape Echo (just like Roland 201) has low output distorted echo
- deville 410 loud hum
- new guy here, blues deville problem!!
- mesa boogie ground switch
- Fender Deville 212 - Help!
- Bad solder joints????
- Acoustic 470 cuts out.
- Peavey Mark IV: dc on the speaker and preout jacks
- newer tube/SS amps - any techs not wanting to fix them?
- Crate cabinet inside wiring
- Ampeg B 100R -15dB problem
- Peavey KB60 driver transistors
- Big trouble with modded Peavey C30
- Peavey Vintage
- never changed a fuse b4fender princeton 112
- I screwed this One up!
- Kay model 606 tube amp help needed
- JMP - missing resistors
- Marshall DSP 201
- Peavey VK100 6v heaters
- NFB question
- Crate VC 5310 gone bad!!! Please help!!
- Crate Power Resistor Question
- TSL602 Low gain
- Marshall MB450H popping on shut down
- Harmonic Tube(s) with attenuator
- valvastate 8008 blowing secondary fuses
- Volume issue
- Dean Markley DMC 80 Power Transformer Secondary AC Voltage?
- '59 Bassman Clone Presence Control Problem
- super reverb intermittant fuse blowing
- Kay 730-c upgrade for guitar
- TSL100 bias again
- Randomly popping fuse
- Power Supply Cap's, Options ???
- 5E3 hums when connected w/ TTE
- ok to pull tubes?
- Peavey Bandit 112 transtube 2001 sheffield spkr
- 1980 Princeton Reverb Vibrato Always On? HELP!
- Friends in the news
- Heater voltage too low on Fender Showman
- master reverb 30 starting to choke
- Mesa F-50 noise on clean channel
- Marshall JCM 2000 repair issues
- Fender lamps
- Deluxe reverb reissue doesn't like loud
- Vox AC30TB gain problem
- Chassis Clips
- Peavey 5150 combo amp fuse?
- Marshall JCM: Loud hum goes away when I touch the chassis
- Ampeg SVT-6 Pro Random Noises
- Behringer BXL 1800A
- General capacitor value (swapping) and function question
- Gibson G-10 (solid state) Output Stage Problem
- Help: Fender Pro Junior Undertones?
- Marshall dsl 201 combo
- Fender 75 Tube order?
- ampeg SVT noise issue
- standby switch
- Holden Slave mods
- Peavey VYPYR 15
- Fender Hot Rod Deville: clean channel switching problem
- How to get started with an oscilloscope?
- Marshall TSL 100 Issue
- Ampeg v4 trouble that needs to be shot
- crate bl120 crashes
- No sound from Vintage Deluxe Reverb
- Is a 6G6-A Bassman quiet for it's power?
- JCM2000 DSL pcb pots?
- crate v33h channel switching pop noise
- Ashdown mag 300 combo amp, quit on me.
- Ampeg B15S humming
- valve brands for fender amps?
- power loss in '66 blackface princeton n/r
- Tube burning station
- Fender Pro 185 Footswitch / Reverb Problem
- Cracking noise Classic 30/advice on replacement
- Help in removing master volume from silverface Twin
- Is ther an easy way to diagnose screen grid resistors?
- Op Amp tester
- SWR schem?
- Roland JC-60 input jack mystery - HELP!?
- Fuchs Amp Sizzles, Ground Noise
- JCM 2000 Reverb
- Marshall AVT150 problems
- '65 Twin Reverb R-Issue B+ noise problem
- Mesa Mark iii
- GK knobs WTF??
- ADA MicroTube 200 smoking issues
- Music man circuit breaker
- Dart amp
- Redplating on one tube
- Koch Twintone
- High-Pitched Squealing at High Volumes
- Ampeg SVP-1500 Protecting
- Super Reverb (no reverb)
- Ampeg B12XT Motorboating on Intensity
- Blown part in Fender Blues Deluxe Reissue
- 1980 twin reverb trouble shoot
- This may be a stupid question, but..
- need some help please!
- Peavey C30: moan from the speaker
- Fender PS 160 Vocal Amp Trany problems???
- New to forum.. please help
- soldering iron question.
- switch-on transient in solid-state amp
- JCM 800 poweramp not fully functioning
- Any large retailers still sell fuses???
- 1975 Twin Reverb - Which tubes?
- Vox Valvetronix - How the F*** do I get this thing apart?
- Peavey Deuce: Power Supply Board Component
- Crown CE2000....anyone actually repairing this junk?
- Acoustic 370 Repair - Atlanta, GA area
- Silvertone 1485 dual OT?
- watkins tremelo amp (1960)
- Fender FM65 DSP lockup
- Heater voltages too high?
- Ampeg SVT Classic goes into standby on its own
- magnatone 213 finished - vibrato doesn't work
- Sudden loud buzzing on Ashdown bass amp
- Marshall 8100 head hums!
- Old Symphonic 16-S Record Player Problems
- Bandmaster Reverb vibrato
- bandmaster reverb won't adjust
- Princeton 65: what to make of TP values
- Peavey C30 squeals
- M-80 popping buzzing
- Is This a Bias Trim Pot?
- Another AVT150 TDA7293 problem - please help
- Biasing Question: Marshall JCM602
- Fender Champion 600 On/off toggle switch
- Good book on solid-state troubleshooting and repair
- Bad Cat Panther with creeping bias
- No chorus effect on JC-120
- Engl Powerball
- Looking for a Ampeg VH-140C schematics
- Dynacord Eminent II
- Behringer PMX2000 Fried!
- Peavey 5150II Tube Question
- Holden Wasp 4xKT88 power tube arcing.
- Mark VIII Bass Head
- filter cap failure - gradual or sudden?
- pcb input jack replacement
- Peavey Classic 20 transformer source
- High-pitch noise in old tube amp (oscillation?)
- JTM Blowing Main Fuse?
- Marshall MG100HDFX head broken input jack
- Disharmonic distortions
- Matching speaker Ohms and amp Ohms
- Vox AC15 RE keeps blowing fuses
- Fender princeton 112 plus blowing fuses??
- Lucky find- what's your best find?
- '66 Ampeg Reverbrocket Transformers
- Loud hum
- Vibro Champ filters self-discharging - why?
- Beheinger hum?
- Peavey m 2600 old style one channel out
- older Roland Cube 60 .....low hummmmmm
- Fender HRD channel switching
- MusicMan 130, questions.
- Mesa V-Twin problem
- ic confusion
- Help Biasing my Vox ac50 cph
- Marshall AVT150H Sound?
- My vox ac50 classic plus head wont go off standby.
- Help!! I connected a burned my Fender DeVille
- Transformers
- Heathkit IO-103 oscilloscope
- Current rating for heater wiring in power transformer
- Cyber Champ preamp dead
- B52 AT-100 Reverb Problem
- Shorted Power Transformer Primary - Help!
- guitar research help
- Help with Crate Vintage Club 50
- help with Vox amp
- Ampeg B4 R slow power up anyone see this before?
- Locating Noise
- Questions about Bassman70
- Transformers for (silverface) Bassman 70
- How do I eliminate 120 cycle hum/noise from my solid-state amplifier?
- Fuse blow out on Valveking 112 and Amp Won't turn on again
- Peavey TNT-no output, and I think it's my fault
- Marshall DSL 100 Low Gain Problem HELP!!!
- Mesa Boogie Nomad 45 - Reverb INOP
- Musicman 2275-130 - tremolo issues
- filament supply question
- another squealing champ
- Orange AD30- Channel Switch Problem
- behringer in speaker crossover limiter bulb
- JMP -1 12AX7 tube voltages.
- ReCap kit from Fliptops.net for my V4
- Crate GX1200 devices?
- Ampeg VL-503 Blowing Fuses
- Help on my jcm 800 mods
- Alto power amps
- DC Pre-Amp Tube Filaments on vintage Fender - pros and cons?