- Polytone Mini 12L ICs...
- Emc S300
- fender hotrod deville 212 trouble! (no power)
- My 66 bassman is cutting out intermittently and is making a blip blip blip noise?
- why put 150R on cathodes a Bandmaster Reverb
- Fuse popping...
- Capacitor substitutes?
- Ampeg vt40 combo old enough to smoke
- Vibro-Champ Help
- chassis and head dimensions ?
- Marshall 8040 (V40) problem
- Wierd hum in Peavey Transformer
- Swr 350
- Bias circuit problems...
- GK1001rb Schematic Wanted
- Hickok 532 Tube Tester--How to test 6BQ5, etc.
- ID this switch for a Mutron AutoWah w/photo
- low volume on vibrato channel
- quick smt question
- Peavey Express 112 schematics
- SF Bassman - unwanted distortion
- Mu-tron Biphase - no effect
- Ghost in the 18 watt
- Traynor Ygm-3 Broken - Need Help!
- jtm60 output transformer
- Peavey Delta Blues: Weak Vibrato
- budda Super Distortion 30/Ring Modulator
- blues deluxe problem
- Screwed up!
- Peavey Delta Blues 210, tremalo won't cut off.
- Yorkville XS800H (hiss) need advice
- Crate BX-2115 schematic
- Where to buy PCB-mount pots?
- Laney VC30 Low volume problem
- Crate BX-15 Dead
- Buying an Oscilloscope
- Blackface Fender Twin rattle
- Peavey XR 600B no power to front panel
- Bass amp crackling noise
- Peavey Classic VT 212
- Traynor YGM3 distorted reverb
- Hiss in BF Bassman build
- Strange power section problem
- Maestro Phase shifter - Splat sounds
- Crate XT120R "high" pot problem
- Vox AD15VT, Pwr amp works but now sound from input
- PING: Enzo
- Vibrosonic Reverb Vibrato Problem
- Boogie MarkIIB going sour
- Cap Job
- using coax cable or input
- Fender stage 100 DSP Head need help
- Ampwares
- SWR Studio 220 - dead
- Marshall Silver Jubilee switching issues
- Reverb on a 1982 Musicman 112RD50 not working
- Fender Stage 160 problems
- Problems With Ampeg Svt2 Pro
- fender red knob "the twin"
- How do you install Transistors
- Old Fender Twin Buzz in Reverb
- 5150 combo standby led stays off
- Schematic For Marshall MG 250?
- 5150 combo - New GT-6L6C Power Tubes
- Marshall Valvestate 8040 sound dies
- Transformer Troubleshooting
- Hiwatt Lead 50R cannot remove chassis!
- Lost my Impedance Selector Switch
- Issues with my Fender Stage 160
- Bad L-Pad SWR?
- Hiwatt Lead 50R no quiscient current
- 6G16 Vibroverb vibrato problem - red plating tubes!
- Fender M80 : distortion
- Pilot light bulb equivalents?
- 70's silverface Twin Reverb squealing
- Ever do this?
- Marshall 275 AVT Problem
- twin reverb doesnt turn on
- Organ Amp
- "Broken" Musicmaster Bass amp question...
- Carvin bridge rectifier
- too much crosstalk??
- Vox 4120 or 7120 schematics
- Danelectro DS100 schematic?
- Eurodesk MX3282A schematic
- HIWATT vs. SUNN
- SS Ampeg B100 schematic?
- popping sound
- Need help with Fender Stage 100
- Desperately seeking schem and photo of Guild 99J amp
- Red plating Vox AC
- Fender 125W Princeton Chorus w/Loud Buzz
- Valve Fuse keeps blowing on my sovtek - need help
- JCM900 running real hot!
- Filament balance pot
- SJ68568 to-3 output x-istor
- Gibson Lancer...help?
- Marshall JTM60 malfunction
- Question about speaker polarity
- PSU -ve rail voltage drops under load
- Peavey Classic 20 distortion when warm
- Same old same old...popping cathode bypass switch.
- Stray capacitance???
- Seymour duncan 84-40 intermittent voltage drop
- need help - Old cap can ID
- Peavey Classic 50/410
- Peavey Classic 30 switch to Celestion V30, G12H?, Hellatone? AGH!
- 'evil' twin with no sound or pilot light
- Ampeg V2 Head that needs something....
- Fried Marshall MG100HDFX! PLEASE HELP!!!
- Ampeg VT-40 woes
- Acoustic 370 troubleshooting help
- Peavey XR-700
- LM3886 chip - why no work?
- Piezo Tweeter - Rumble 100
- Major thanks to Enzo - Vox driver transformer reingineered
- Sunn Beta Lead Popping 6 amp fuses
- Crappy input jacks on 65 Deluxe only lasted 43 years.
- Princeton Reverb and unwanted Distortion
- Reverb pan for a R12R Reverberocket???
- SVT CL cuts out. Speaker Cab or Amp??
- 1 6L6 (of 6) at 2x bias Super Twin Reverb
- Testing Caps
- AC30/6 TB constant feedback
- EH BassBalls problem
- Fender red knob twin pops when using push pull pots...
- Peavey 6505 Plus on tour
- Brown Deluxe plate voltage
- AC15 questions
- Multicap sources?
- Rumble 100 schematic
- Mesa Mark IV problem
- problem with an ENGL Sovereign amp
- About biasing tube guitar amplifiers
- Vox AC-30/6 TB problem
- fender stage 112 "pop,crackle"
- Gibson GA79RVT Reverb motorboating
- Hot Rod Deluxe is too hot (accoustically)
- Ampeg B-100 (solid state)
- Filter Cap Values?
- Cap wiring help please.
- Ampeg VL-503 schematic
- Marshall V8080 pot list
- Marshall Valvestate 100 Problem Please Help :)
- isolation transformer - high voltage.
- Selenium rectifiers
- Marshall AVT150HX Schematic
- Matchless DC30: noise, pops and scratchy volume pot
- no Name tube amp acting strange
- Dead Blues Deville
- laney vc30 wooshing noise
- Heater voltage too high!
- Trace Elliot TA100R schematic
- bridge rectifier problems
- Laney LC50/2 PCB removal?
- Links to Ampeg schematics
- Links to Marshall schematics
- Acoustic 122 schematic
- XR700 Power Mixer clips, low volume
- solid state problems
- classic 50
- JCM2000 DSL wiiieeerrdd problem
- VoxAC30 CC phase inverter problem?
- Legend A 30 amp
- 5E3 tweed deluxe home build just died
- Ampeg Gemini II wiring help needed
- Hot Rod Deluxe 6L6WGC too hot?
- TL072 or 4558 in a Blues Jr Reverb
- Blues Deluxe low volume no clean
- Mesa Boogie Mk3 Schematics, layout etc
- Masco MAP-120N
- Underfiltering??
- peavey century 200 bass series
- Princeton Chorus Breaks up on clean channel, chorus gets stuck...
- Links to Mesa Boogie schematics
- Is this circuit ok or has it been hacked? Please advise (vintage tube amp)
- Peavey Mace Question
- Terrible fizzing
- Marshall MG50DFX level problem
- HRD plate load resistors, anything else?
- Crate G20 XL SCG Circuit Problem
- SVT-VR bias issue
- troubleshooting ?- Hum
- Epiphone Valve Standard- Please Help?
- JMP-1 Faulty
- Troubleshooting noise issue
- Quick Questions Acoustic 370 head
- mesa oscillation
- Rivera Clubster 45 hissy
- DSL Hum, C46 question
- 1950's Ampeg Amplifier
- Peavey Classic 30, no sound until turned off.
- power tran buzzing
- Hartke 3500 MOSFET Output Transistors
- JTM45 build - channel volume problem
- New Guy, 5150 question.
- Crate VC120H schematic needed.
- Crate Blue Voodoo schematics
- Peavey Valveking switching help!
- Bias Circuit Problem
- Ampeg SS-70CA schematics?
- Power tranny gets HOT in old Guild amp
- Marshall JCM 2000 reverb query
- Solder/Desolder Station
- Fender PCB pots
- Engl Fireball Trouble
- Testing OT's
- my mg100dfx problem
- Marshall MG100HDFX repair?
- Gretsch playboy amp vibrato problem
- Fender Amp Power On/Off Light Problem
- potentiometer question...
- Hiwatt dr504 bias problem
- Peavey rockmaster help
- marshall tsl 602 - dull sound
- Deluxe Reverb Rebuild need expert help
- Jcm900 Issue
- Mace reverb hum
- Univox 2x12 tall tube amp-japanese
- "Phaser kind sweep" with Master Volume???
- Twin Reverb II data and schematic
- Marshall 8040 - How do I get at the pots?
- Finding Gassy Tubes.
- Marshall DSL JCM2000
- Troubleshooting hiss
- Preamp Woes 8080 H(Valvestate 80V)
- Proper orientation of coupling caps
- Gibson Explorer
- Tape on reverb tank coils - why?
- Trac Elliot Speed Twin Output Tranny Specs and Replacement ?
- Hohner Harp Mic - pots
- White noise...
- Sovtek mig 50 - Transformer change.
- Zero Ohms on reverb tank input?
- 13ohm speaker load: 16 or 8ohm tap?
- Vox AC 30 HH China RI schematic
- New member, new '77 Princeton Reverb
- Amp squeals at hi gain
- How can I test a ouput trans to see if its faulty
- Carvin Series III X-Amp
- Ampeg SVT-4 PRO repair amp output
- Voice of Music Model 700 (1955)
- 6505+ just quit
- Power Transformer - Crackle and Hot!
- Gibson GA42 subtle overdrive problem
- Vibroverb PT - no centre tap on heater circuit
- Ampeg Svt-200t schematic
- Deville Hot Rod 212 fizzled out
- Vox 1143 question
- 70's Deluxe Reverb reverb squeal