- Ampeg B-15 voltages off
- JMP Low Output
- Can't find 150UFd 300V Ecap
- Rectifier tube arcing.... fuse blows
- Marshall w/ melted caps next to tube sockets
- Fender Dual Showman Reverb: Verb and Vib problems
- Ampeg SVT-II Bias Procedure
- suddenly no sound from my Crate GX-15?
- fender twin reissue dead no power
- Marshall Valvestate VS100 no sound!
- Diodes for marshall vs150h TSB
- Ampeg SVT lll input
- Reverb won't work on my Twin
- Workingman's 15 or 12?? Blows Fuse
- Gk 200mb
- DSL100 intermittent total volume fade
- Schematic for Ampeg SVT 2 pro
- Echoplex EP-2 won't record!
- Input jacks in PCB amp: shorting or not?
- Fender Stage 100 Amp troubleshooting
- Loftech TS-1 power transformer needed
- SE el84 triode wired=hum as pentode=no hum ?
- Peavey Artist 120 not working
- 1962 Ampeg Reverberocket Restoration
- Marshall 8080.... hot resistors
- Peavey classic 30 reverb and general sound...
- HD Deluxe & deville + and - supplies
- RE: MG80R-CD schematics?
- low gain and weak output
- GK 2100CEL Service Manual
- a/c jack for Marshall
- Help with SoCal 50 Reverb tank
- Recapping a Fender DRRI
- Peavey 6505+ blown fuse F1
- Marshall MG 30DFX - faint crackle when turning the effect dial
- Fender Bassman 70
- BFDR popping sound when STBY switched off and a few small issues...
- Help!
- No Power on Frontman 15R
- Blues Deluxe - no sound
- Bad PT?
- Bassman 70 Hum
- Ampeg vl-502 tube socket short?/fire
- help with a VOX ac30
- Marshall Jcm 2000 DSL
- Trouble with Marshall AVT50 Head
- OK I screwed up my DRRI
- getting a signal after turning amp off??
- Acoustic 320, low output, what to do?
- Need an Ampeg V7 Schematic
- Mig100b schem/xformer info
- Need Eden Traveler 400 schematic
- Vox AC10 RFI Pickup
- Do Vibrato circuits suck down output?
- just got a new hiwatt and I need help!!!
- Ampeg Jet J-12 Tremolo Problem
- Fender Twin changes volume
- Overdriving 6L6's
- help with Fender Performer 650
- Crate BV150HB
- Beacon output transformer with 9 secondary taps, what ones to use?
- Peavey Delta Blues/ Classic 30 Reverb Problem
- ChassisBolt holes on a Princeton reverb
- Ampeg V4 shorted diodes- primary OT
- Basic Question - Footswitch for Blues Deluxe
- solidstate Marshall, bad hum on second channel
- Reverb - what is wrong?
- Bad Cat Hot Cat 100/Redplating/eating o/p tubes
- ampeg svt2pro
- Reverb tube redplating
- Mr bassman 100
- Adjusting 6L6 power amp for 6V6
- old Kustom preamp bias problem
- EF86 Users Check this out
- DR Bias and Bypass Caps?
- Fender 212 Reverb Not Working
- lenny
- Line 6 duoverb head problems
- Is this PT too big?
- Need schematic for Randall RG 50
- problem with the performer 650
- Im proud to say...
- No power to my crate monitor amp
- Valvestate 8080 bass bug
- Tube Amp reverb noise, no vibrato intensity, unknown model.
- Minimum Heater Voltages
- Reverb Circuit Question
- Need Schematic for Crate BV6212
- multicapacitor disassembly
- Mesa Mark IV Noise
- Crate BX-220H problem
- Marshall Jcm 900 4100 Repair In Chicago
- Marshall TSL60 - Excessive hum
- Preamp squeaks - basic understanding
- Compu-Bias Meters
- Fender Ultimate Chorus - bad hum
- Marshall Jtm 60 615 Trouble
- Marshall AVT150 OD1 & OD2 are half the volume of the clean and AC Sim Channels
- Anyone have Trace elliot schematic for GP7SM 200?
- This Is Wierd....
- GK 1001RB no output
- ESR question Fender reissue Bassman
- Crate BV-60H power but no sound
- Questions re ~1976 Twin Reverb/trashy distortion
- Need schematic for SWR LA 15 combo amp.
- EQ inductor for old Fender
- Sunn 120 Watt valve head, no sound. What to do?
- Need Ampeg Vt-40 And G-15vi Scematic
- Boogie DC-3 headscratcher.
- Treble distortion
- Fender power transformer european model
- Ampeg V4 bias problems
- Crate GX2200H - Blowing Fuses
- My 65 Champ losing it's voice
- Mesa Boogie Nomad 55 Combo
- Blown Fuses
- Peavey Ultra 120 Plus Head PRoblemo
- my amp is working like a transducer!!?
- Clipping in tremolo circuit
- Super reverb behaving crazzzy
- Need schematic Ampeg Sj12-R Superjet II
- 60 hz hum problem
- Fender Stage160 Reverb not working
- Homebrew HELP!
- 220uf 100V Filter Cap?
- GSP5 Digitech
- Question about Pro Reverb OT impedance
- Figures, another 5150II blowing fuses...
- marshall JCM 800 Bass series strange problem
- Hartke HA3500 valve preamp no output
- Roland Space echo: Touchy Reverb
- Budda VerbMaster??
- Crate VC50 3x10
- Help! Mesa Nomad 45 Reverb Failure
- Ampeg BA-115 bias too high
- Lost power in Vibrato Channel Bandmaster
- Peavey 6505+ Lead channel....tone controls not working?
- rectifier tube analysis
- Peavey 5150 Combo Problem
- Leslie 225 Cab needs help...HELP!
- Finished most of my cap job
- Fender Princeton Reverb (Hum) No Sound
- Blowing fuses
- Simple problem with my Trace-Elliot 7210H Bass Head
- Four Terminal Pot?
- JCM gain control cutting volume
- celestion C15H-200 Bass Speaker
- Very noisy master volume pot
- valvestate?
- Super Reverb with "issues"...:-(
- Old Gibson Amp
- Quick question - JCM900 sl-x
- Mesa Nomad Pots have dead spots, what's up with that?
- Change to SF (Vibro) Champ power switch?
- Boss DD-3 repair
- Marshall Valvestate (VS100) Low Power Output
- fender 6g15 standalone reverb distortion
- Marshall TSL122 Extreme Issues
- Earthing Problem???
- Carvin X100b Help
- What value in uF and Voltage should filter caps be in a AB165 Bassman circuit???
- Need Schematic for Ampeg SVT3 (non pro)
- Carvin BelAir Accutronics reverb tank code...?
- Biasing a 1966 Fender Bassman
- Blowing Fuses....
- Fender Champ no sound
- Blackheart Little Giant problem
- What's with the new SVT's?
- Diode Clipping 2555SL Help
- Bassman......to mod or not to mod AA864
- Ampeg J-12T "fuzzy" overtones
- Peavey JSX Please Help!
- Reverb trouble
- pot trouble
- Gibson Falcon access
- Problem with my head
- Silvertone 1484 Layout
- Marshall DSL401 - Fading Out
- maine amp cct
- Clicking Ampeg
- Acoustic 160 reverb hum
- HA3500 blowin' ye ol' fuse
- Peavey Delta Blues buzzing
- '59 Bassman reissue question....
- Power Tube Arcing
- Blowing Filaments?
- A different Kind of Power Tube Arcing
- Loud screech when volume is turned all the way down.
- VTM 60 Burnt 400 ohm/10Watt Resistor, oh my
- ab165 mods and rebuild has low power and distortion
- Help Removing Bassmaster (YBA-1) Chassis
- Relay trouble
- gas discharge tube= surge protect?
- Marshall AVT100 combo buzz/humm
- Loud Sqeeel When Turning Amp Off
- Fender Noise !
- Jazzmaster schem?
- Marshall DSL401 Enzo???
- Marshall MG100HDFX - TD7293
- Schematics, Adobe, and you
- Silverface Twin Reverb Blackfaced with Scratchy Buzz
- Source for d shaft pots ?
- 61 Ampeg Badge
- Ampeg J-12B
- Marshall DSL100 bias creep
- Yorkville Traynor Guitar Mate YGM-1
- Old Peavey bass amp
- blackheart strange volume control
- Sunn 200S drawing too much current at idle
- deluxe reverb broken
- Traynor Monoblock schematic
- Blown OT??
- Need achematic for Crate BV120H
- SVT-4 Pro output relay
- Laney rbg500 blow out
- 5E3 weird distortion problem
- Volume on zero, still sound?
- Need help with my LANEY
- VOX AD60VT Question
- Marshall AVT50 - burned R58
- 1974 Quad Reverb Trouble
- Peavey Mace Problem
- Very low B+ in BF Vibrolux reverb
- Marshall TSL122 grid resistor values?
- Marshall parts
- What's the vox pathfinder ic?
- SWR PB-200, What gives? Help!
- How much power amp affects tone
- Weird reverb problems in tank? I'm baffled
- waveforms
- Marshall 50 Master volume with tropical fish cap?
- carvin XV-112E problems
- Too much B+ for the poor tubes.
- Repairing a Bl@nkenshib
- calculating output power
- Hammond M2 Repair & Restoration--help!
- No sound immediately when switched to standby
- checking for a bad diode
- Tsl 100 help
- Marshall AVT 100 Problems
- 69 Bandmaster reverb -oh the crackling noise!
- While I am at it, I might at well..........
- fender stage 112
- Peavey 6505 bias mod
- Ampeg J12-B Tremelo Whoosh
- SVT Classic Fan Question.
- Microphonic Capacitors??
- Ampeg reverb squealing
- Shorted output leads
- Mesa Nomad 45 unbearable hum