- JTM45 build - channel volume problem
- Hartke 3500 MOSFET Output Transistors
- power tran buzzing
- Peavey Classic 30, no sound until turned off.
- 1950's Ampeg Amplifier
- DSL Hum, C46 question
- Rivera Clubster 45 hissy
- mesa oscillation
- Quick Questions Acoustic 370 head
- Troubleshooting noise issue
- JMP-1 Faulty
- Epiphone Valve Standard- Please Help?
- troubleshooting ?- Hum
- SVT-VR bias issue
- Crate G20 XL SCG Circuit Problem
- HRD plate load resistors, anything else?
- Marshall MG50DFX level problem
- Terrible fizzing
- Peavey Mace Question
- Is this circuit ok or has it been hacked? Please advise (vintage tube amp)
- Links to Mesa Boogie schematics
- Princeton Chorus Breaks up on clean channel, chorus gets stuck...
- peavey century 200 bass series
- Underfiltering??
- Masco MAP-120N
- Mesa Boogie Mk3 Schematics, layout etc
- Blues Deluxe low volume no clean
- TL072 or 4558 in a Blues Jr Reverb
- Hot Rod Deluxe 6L6WGC too hot?
- Ampeg Gemini II wiring help needed
- 5E3 tweed deluxe home build just died
- Legend A 30 amp
- VoxAC30 CC phase inverter problem?
- JCM2000 DSL wiiieeerrdd problem
- classic 50
- solid state problems
- XR700 Power Mixer clips, low volume
- Acoustic 122 schematic
- Links to Marshall schematics
- Links to Ampeg schematics
- Laney LC50/2 PCB removal?
- bridge rectifier problems
- Trace Elliot TA100R schematic
- Heater voltage too high!
- laney vc30 wooshing noise
- Dead Blues Deville
- no Name tube amp acting strange
- Matchless DC30: noise, pops and scratchy volume pot
- Marshall AVT150HX Schematic
- Selenium rectifiers
- isolation transformer - high voltage.
- Marshall Valvestate 100 Problem Please Help :)
- Marshall V8080 pot list
- Ampeg VL-503 schematic
- Cap wiring help please.
- Filter Cap Values?
- Ampeg B-100 (solid state)
- Hot Rod Deluxe is too hot (accoustically)
- Gibson GA79RVT Reverb motorboating
- fender stage 112 "pop,crackle"
- Vox AC-30/6 TB problem
- About biasing tube guitar amplifiers
- problem with an ENGL Sovereign amp
- Mesa Mark IV problem
- Rumble 100 schematic
- Multicap sources?
- AC15 questions
- Brown Deluxe plate voltage
- Peavey 6505 Plus on tour
- Fender red knob twin pops when using push pull pots...
- EH BassBalls problem
- AC30/6 TB constant feedback
- Testing Caps
- 1 6L6 (of 6) at 2x bias Super Twin Reverb
- SVT CL cuts out. Speaker Cab or Amp??
- Reverb pan for a R12R Reverberocket???
- Princeton Reverb and unwanted Distortion
- Crappy input jacks on 65 Deluxe only lasted 43 years.
- Sunn Beta Lead Popping 6 amp fuses
- Major thanks to Enzo - Vox driver transformer reingineered
- Piezo Tweeter - Rumble 100
- LM3886 chip - why no work?
- Peavey XR-700
- Acoustic 370 troubleshooting help
- Ampeg VT-40 woes
- Fried Marshall MG100HDFX! PLEASE HELP!!!
- Ampeg V2 Head that needs something....
- 'evil' twin with no sound or pilot light
- Peavey Classic 30 switch to Celestion V30, G12H?, Hellatone? AGH!
- Peavey Classic 50/410
- need help - Old cap can ID
- Seymour duncan 84-40 intermittent voltage drop
- Stray capacitance???
- Same old same old...popping cathode bypass switch.
- Peavey Classic 20 distortion when warm
- PSU -ve rail voltage drops under load
- Question about speaker polarity
- Marshall JTM60 malfunction
- Gibson Lancer...help?
- SJ68568 to-3 output x-istor
- Filament balance pot
- JCM900 running real hot!
- Valve Fuse keeps blowing on my sovtek - need help
- Fender 125W Princeton Chorus w/Loud Buzz
- Red plating Vox AC
- Desperately seeking schem and photo of Guild 99J amp
- Need help with Fender Stage 100
- popping sound
- SS Ampeg B100 schematic?
- HIWATT vs. SUNN
- Eurodesk MX3282A schematic
- Danelectro DS100 schematic?
- Vox 4120 or 7120 schematics
- too much crosstalk??
- Carvin bridge rectifier
- "Broken" Musicmaster Bass amp question...
- Organ Amp
- twin reverb doesnt turn on
- Marshall 275 AVT Problem
- Ever do this?
- 70's silverface Twin Reverb squealing
- Pilot light bulb equivalents?
- Fender M80 : distortion
- 6G16 Vibroverb vibrato problem - red plating tubes!
- Hiwatt Lead 50R no quiscient current
- Bad L-Pad SWR?
- Issues with my Fender Stage 160
- Lost my Impedance Selector Switch
- Hiwatt Lead 50R cannot remove chassis!
- Transformer Troubleshooting
- Marshall Valvestate 8040 sound dies
- 5150 combo - New GT-6L6C Power Tubes
- Schematic For Marshall MG 250?
- 5150 combo standby led stays off
- Old Fender Twin Buzz in Reverb
- How do you install Transistors
- fender red knob "the twin"
- Problems With Ampeg Svt2 Pro
- Fender Stage 160 problems
- Reverb on a 1982 Musicman 112RD50 not working
- Marshall Silver Jubilee switching issues
- SWR Studio 220 - dead
- Ampwares
- Fender stage 100 DSP Head need help
- using coax cable or input
- Cap Job
- Boogie MarkIIB going sour
- Vibrosonic Reverb Vibrato Problem
- PING: Enzo
- Vox AD15VT, Pwr amp works but now sound from input
- Crate XT120R "high" pot problem
- Maestro Phase shifter - Splat sounds
- Strange power section problem
- Hiss in BF Bassman build
- Traynor YGM3 distorted reverb
- Peavey Classic VT 212
- Bass amp crackling noise
- Peavey XR 600B no power to front panel
- Blackface Fender Twin rattle
- Buying an Oscilloscope
- Crate BX-15 Dead
- Laney VC30 Low volume problem
- Where to buy PCB-mount pots?
- Crate BX-2115 schematic
- Yorkville XS800H (hiss) need advice
- Peavey Delta Blues 210, tremalo won't cut off.
- Screwed up!
- blues deluxe problem
- budda Super Distortion 30/Ring Modulator
- Peavey Delta Blues: Weak Vibrato
- jtm60 output transformer
- Traynor Ygm-3 Broken - Need Help!
- Ghost in the 18 watt
- Mu-tron Biphase - no effect
- SF Bassman - unwanted distortion
- Peavey Express 112 schematics
- quick smt question
- low volume on vibrato channel
- ID this switch for a Mutron AutoWah w/photo
- Hickok 532 Tube Tester--How to test 6BQ5, etc.
- GK1001rb Schematic Wanted
- Bias circuit problems...
- Swr 350
- Wierd hum in Peavey Transformer
- Marshall 8040 (V40) problem
- chassis and head dimensions ?
- Vibro-Champ Help
- Ampeg vt40 combo old enough to smoke
- Capacitor substitutes?
- Fuse popping...
- why put 150R on cathodes a Bandmaster Reverb
- My 66 bassman is cutting out intermittently and is making a blip blip blip noise?
- fender hotrod deville 212 trouble! (no power)
- Emc S300
- Polytone Mini 12L ICs...
- Peavey Century 120 Bass Head Help
- Gibson GA18T blowing fuses
- GRO100 Intermitant Fuse Blowing
- George L Cables
- 5E3 tone mods
- Noisy Ampeg SVP preamp hummmmmm~
- Deluxe Reverb Microphonic?
- Is this a symptom of a blown OT?
- AMPWARES - anyone know where they went
- Peavey Decade schematic
- Solid State amp not working-Help!
- Quick circuit testing question...
- Volume loss in MVA 500
- Scratchy gain pot
- Ibanez Starfield VT-100
- TSL100 Woes: PT2
- Lab Series compressor
- resistive load to tests?
- fuse flows
- lound crackling sound on clean channel
- Need Help! Channels Switching Automatically?
- Ampeg V4BH
- Links to Vox schematics
- Preamp positions for DSL and TSL
- Epiphone Blues Custom = Dead?
- Testing Capacitors
- marshall lead 12 3005 no crunch
- Hum increase with modded EV Jr.?
- Marshall DSL 100 - Nothing!
- TSL100- V6 not firing up!
- 1966 Ampeg Gemini V - low output and horrifying distorted sound
- Peavey Bandit 112 low volume
- Troubleshooting an RE-201 reverb unit
- How well do tube testers work?
- Biasing a Crate VC50
- Looking for SWR Strawberry/California Blond II Schematics
- peavey cs 800 wiring
- Valvestate 8080 Low gain on Boost Channel
- Replacing speaker in Rickenbacker 2x15?!
- Schematic for a Regal R-1160 tube amp
- Mashall Valvestate 8080 Issues
- fizzy static through AC30 TB
- Baldwin C1 problem...the one with the colorful push-buttons
- Fender Deville - Same Issue, New Question
- Amp cabinet rattle
- im getting shocked!!!
- transistor matching question
- Classic 20 repair manual
- Silvertone 1448 Transformer questions
- Peavey mace no output
- Classic 30 blowing fuses...
- Mesa Boogie reverb madness
- Bad sound out of my 1964 Princeton
- Ampeg b12xt
- Noisy Traynor TR-2 reverb tank