- Peavey Transtube EFX 212 Lost Balls, static distortion
- Ampeg SVT Classic - How Much Background hum is "normal"?
- Mesa Heartbreaker Head
- no sound from an AB763 clone
- Ampeg SVT4 Pro repair
- Bias adjustment SFSR
- Repairing an old Crate VC-3112W
- Can you guys help me understand what happened here?
- replacement power transformer for Spectra 212-T?
- Shielding question
- Neve pickup/preamp system dead
- vibro champ tone controls problem
- Marshall MG100HDFX Question
- DRRI & intermittent problems
- selmer trebble and bass 50r sv crackling sound and treble channel down
- Killed my Fluke 87 III
- Bias for AMPEG SVT 3 pro
- Broken volume pot on Valvestate 8080
- RCA 40409 & 40410 Transistors
- Acoustic 370 blows internal fuse when turned on
- EV 1.0kW
- Cliff jack nut thread/diameter?
- Hartke Model 2000 Repair
- boogie mk iv graphic
- Fender Twin PT Wires
- 68 bandmaster bass pot does nothing bass has disapeared
- Ampeg M15 hum
- Need supplier for Vox AD50VT PT
- Crate G40C will not switch channels!
- Mesa 2:90 Voltage Chart
- Anyone repair reverb tanks ?
- Steelphon GA810 Unknown fuse value
- Crate Vintage Club 50 Fixed/Cathode Bias Mod help
- How to bias a Silvertone 1482
- Reverb hum Valvestate VR65
- B-52 AT112 Repair Help
- Fender Hot Rod DeVille 212 screeching problem.
- high-pitch squeal
- Hum Help
- Marshall re-issue
- Gallien Kreuger 200mv
- New (old) amp dilemma....??
- Trying to fix loss of volume in a 1978 Randall RG300 Head (SS)
- Fender Silverface baffle trim material available for sale?
- Bass amps and fuzz pedals... OUCH
- Lonestar Special blows fuses
- Hum on blackface deluxe that goes when normal channel Vol 2/3 up???
- Fender FM212R Squeals at 4ohms, but not 8?
- crate limo TX-50D not working
- Bad Cat problem/questions
- Clean channel clipping low notes
- I've really done it this time
- Mesa Rocket 44 bias circuit mod?
- Blowing rectifier tubes
- Marshall EL34 100/100 Poweramp schematic
- debugging old peavey blues classic
- Heater pulsing normal?
- Fender Pro Jr Schematic Question
- questions about floating paraphase inverters
- Troubleshooting Selmer T'n'B Mk III
- Hot Rod Deville Bias Runaway
- Testing Mosfets in circuit
- Bad Buzzing in SF Bandmaster Reverb
- HUM preamp heater short?
- Fender '94 Twin Amp Noise...
- Nomination: Worst fuse holders ever
- Acoustic Control Corporation TO-220 transistor identification
- GK 600B resisto-roast
- Blue Glow Question
- Gibson EH-150
- AC30CC repair help/advice
- jcm 2000 dsl blowing tubes!
- Amp ticking
- Need specs. for Line 6 Amp
- Mesa Boogie Mark IV tube problem?
- Hiwatt custom 20 tube 60 hz hum ideas?
- Fender Performer 650
- ESR Meter / Tester
- hot air desoldering reflow station
- Peavey Triumph cuts out until it warms up.
- Peavey Classic 20 - Oops
- Ampeg SVT4 Pro failure
- Good Work Surface
- Another Problem with another Peavey Classic VTX 212 65 Watts
- I need schematics for crate stealth 50
- Marshall MG100HDFX low on volume.
- Fener BXR300C hum
- How do I internally join inputs in a plexi-style circuit ?
- noise noise noise
- Marshall AVT150H Blowing Fuses
- Berhinger PMP 5000
- Help with channel switching on the dreaded JCM2000DSL 100
- Tubes Help
- Peavey Combo 300 no output
- Ampeg v2 red plate help!
- Crate VC50 hot tranny/slight hum...
- Carlsbro 60 watt twin channel
- Stagepas 300
- Marshall JCM 2000 Super Lead - won't turn on
- Fender HR DeVille probs...
- Best High Current Connector
- Marshall Specialist tremolo not working
- Some info. On Line 6 AX2?
- Super Reverb Attempt to Clone with ugly distortion
- Sunn 300T signal gain
- Crate VC-3112 stuck on B channel. Help please.
- Crosstalk channel bleed trouble shooting
- Marshall AVT150H Repair help needed.
- "The Twin" Fender Amp bias adjust
- Crate V-100h Head Died
- Bugera Problem
- Dean Markly CD-30 Tube Amp has me baffled...
- Roland JC 120 effects loop
- Fender Performer 1000 problems
- Behringer PMH2000 schematic
- princeton: polarity switch modded for standby?
- fender amp problem
- another Hartke Overheating Post
- Laney AOR 100w first series, 505 volts on the plates ?
- jtm30 bias mod problem
- Marshall VS100 combo - occassional overpowering buzz
- Fender Transformer Problem
- Music man 2275-65 ss phase inverter issue?
- Ampeg SVT II Pro - help needed
- Ampex ATR-700 trim pot
- marshall 8080 low level hum
- Reverb tank for Kustom 50
- Marshall JCM 900 4100 Fading
- I can't fix anything for finding more stuff
- 5150 Power board problem
- hartke LH1000
- Massive hum - B-15N
- Super Reverb cooks Reverb Driver 12AT7
- Laney amp problem
- Sunn 300T replacement pot?
- Dead PT
- Why does the Pro Jr sound so much thinner than a Princeton Reverb ?
- Twin Reverb 15 Popping/crackling on startup
- Peavey XXL cutting in/out
- SWR LA15 complete schematics
- tantalum replacement in Kustom 200
- Marshall MG50DFX No sound from main input
- On tour in Europe, need help with Sunn 300T
- Tube Amp Hum, No Sound
- Carvin R1000 Bass Amp Poroblem
- Help! Can't rock until this is resolved!!
- trying to chase and kill hum in tube echo and reverb
- Fender Bullet problems
- Rivera Knucklehead switching problems
- Mesa Bass 400 preamp voltages WAY too high!?
- Peavey session 400 (210 Watts) Capacitor Problem!
- Peavey Bandit loud popping
- Noise problems with new Vox AC100CPH Classic Plus
- Large Radial Caps
- How to measure bias in a Fender Pro Junior (1ohm resistor)
- another noisy Silvertone 1484
- Ampeg SVT-VR&CL popping intermittently
- Reverb Tank Suitable Replacement - Acc. Type 1 Tank
- Super Beatle Caps Question
- volume problems with a first amp build
- Ampeg SVT-VR&CL ground loop hum solution
- 5E3 kit - preamp hum
- Intermittent, volume independent crackle on Fender Deluxe Reverb (w/ mp3)
- Ampeg V7 reeverb problem
- 5150 Screen Grid RESISTOR/Tube question...
- SF Bassman 100 hum problem
- GK 400RB mark IV
- Fender Prosonic SERVICE Manual / Components List sought
- Using a variac
- EH EL34 heater-cathode leakage
- Randal RG200 G3
- Rickenbacker TR35B amplifier
- Rhodes Suitcase Dual 50W amp
- Help, Road King Clean Channel volume drop after oscilloscope method tube check
- Peavey Mace Question
- Static - Bad OT?
- HiWatt DR103 problem
- Problems with a new Fender BandMaster V Series! Uggh!
- Harsh sounding high notes (first tube preamp)
- Randall RG200 G3 Low power
- Screen resistor voltage drop
- Marshal Valvestate Model 8100 Trouble
- crate-gx212 problem need help
- Ampeg b-100 problem
- Peavey 600F mixer amp problem
- Peavey mace
- Hot Rod Deville.. please help!
- Parts Salvage Question
- Bassman AB165 midrange hiss
- Shorted Reverb Tank Causes Distortion
- regulated AC PSU
- Hotrod Deluxe Problem
- Wurlitzer 200 Power transistors.
- Sunn Model A
- Dr. Z kt-45 question
- Peavey C30: noise forever ?
- TDA7293 replacement in an AVT150
- Anyone got a schematic for a Crate TV-6212?
- Help and ideas for repairs to Ampeg B2r
- Refurbishing a Peavey KB60
- Optical pedal repair
- RI 65 Twin Reverb with excessive feedback
- Strange coupling capacitor problem
- peavey tko 115 bass amp circuit
- Soldering question
- QSC mx2000a
- Music Man HD 212
- Ashdown MAG600 volume?
- VYPYR 30 -No Input audio...
- Fender Deluxe Reverb 65, swapped 6v6 and rectifier tube by mistake
- When to start repair.
- Peavey Special 130 blowing fuses
- crate bfx100 blows fuses - possible dc in output
- peavey kb100
- Help with questions to ask Amp Tech & request list
- Help Me Solve This Power Amp Riddle
- Throw out bad speakers?
- Bassman 10 (70?) PT question
- Peavey Renown , howling
- SWR SM 400 left channel distorted
- volume drop when negative feedback is doisconnected
- AVT-50 hum
- Morley PFL xformers
- New Pot for Fender Blues Deluxe?
- Weird DSL +/- 15v supply problem.
- Twin Reverb Problems
- Boogie Mark I reissue intermittent
- AAARRRRGGGHHH! 5150 Question(s)!
- 5E3 low feedback/oscillation, stumped???
- crackling sound in tube amp
- Garnet Mach 5 from 1969
- growing bias
- Valves for Ashdown FA 60 DSP Head
- Problems with a Peavey Classic VTX 65 watt amp.
- impedence rule of thumb?
- Electrolytics for signal path restoration?
- Unplugged speaker protection & line out
- dying Mesa nomad 100
- Marshall JTM 60 filter cap problem
- Marshall VS100 - high pitched squeel
- Marshall SL100 Bass Knob Not working
- Vox DA15 problem
- '76 Princeton Reverb reverb tone/level mod?
- Peavey Audition CHORUS request
- peavey bandit 112 II
- Epiphone Blues Custom Rectifier prob
- Ampeg GU-12 tremolo problem
- 1978 Marshall
- Qsc mx2000a
- Ampeg svt classic help