- Marshall G100R Schematic?
- Can any help a brutha out with a vox ad 120 vtx speaker issue?
- Pro Reverb Volume drop off, desperately need help
- Hot Rod Deluxe problem
- boxy sounding cabinet
- fender princeton chorus amp
- What kind of speakers are these?
- Marshall JMP1 with flaky power button
- Biasing amps with PCB mounted power tube sockets....
- Vox Berkeley ll Low output
- Removing the chassis...
- supro loss of volume
- Yamaha Bass Combo YBA-100
- VOM MOdel 700
- Tubeworks schem?
- Ampeg V4-b, bad 6k11 stage...
- Fender 30 - channel switch pops
- Traynor 7027 sub?
- Marshall JCM2000 TSL feedback on clean channel
- Peavey Delta Blues
- Very old pignose 7-100
- Roland Jazz Chorus
- Please please help svt classic problem
- Marshall Vintage Modern 2466 Schematic?
- SF 1969 Champ, what is causing "chirping" ?
- 5y3 GT in 6G2 Princeton
- Roland Jazz Chorus repair NYC
- "Thumping" tremolo circuit
- wanted : transfo for Ampeg B2R
- Sovtek Mig 50
- Fender Deluxe Reverb re-issue
- Power Caps bleed how fast? Does that indicate condition?
- Where's the reverb
- Hartke 3500 no output...photo enclosed
- fender princeton amp. ?????????
- Hartke 7000 output bad with load
- Tubes too hot for OT?
- What output transformer for Mesa Boogie Studio .22 +
- Marshall JCM2000 DSL 100 biasing?
- What the heck is B+, and that A on AA764 Champ Schematic?
- Fender Pro 185 need resistor
- Hot Rod Deville - speaker mounting screws
- Noob, did I hurt my new amp?
- old Laney 610v B+ what tubes?
- Kustom K100C-6 schem?
- HA3500a with a very hot Heatsink
- Pignose G40v- maintenance?
- tiny terror clone -> just humm, sound
- Acoustic 320, low output (again!)
- Marshall squeals like a pig
- Burning Fuses
- Yamaha P7000S
- Need work from an amp tech...
- Marshall mg250dfx...HELP
- Sound Fluctuation with Single Rectifier! HELP
- Sound Fluctuation with Single Rectifier! HELP
- G-dec
- Help on Marshall AVT150H gone bad..please
- Dead Harmony h303a
- Acoustic 370 grounding issue, ch2 buzz
- Slide on Connectors for Valve JR
- Marshall AVT50H
- Heyboer color codes
- Amplifier cut outs
- Fender Ultra Chorus, Noisey Left Channel.
- ampeg v4 buzzing output with just power switch on
- Fender 65 Deluxe Reverb RI shutting down...
- No reverb in Hot Rod Deluxe
- Marshall Valvestate 8008 pots, log or lin?
- Carvin PB150 biasing
- Pa 100, updates and prob with reverb
- Trying to repair the tremolo in a Silvertone 1472
- Marshall caps....what type?
- Recapping Gibson G-10 questions
- Peavey classic duel 212 scratchy popping noise
- JCM900 chips?
- line out for peavey tnt 100
- Peavey TNT100 - DC298 dead transformer
- Trace Elliot V-type preamp noisy ground
- Looking for vox info
- jcm900
- Peavey XR400 fried 200H module
- Eden Electronics VT-.40 Bass Amp Schematic Search
- Mesa Simul 2:90
- Oh my god!!!!!!!
- Fender Rumble 100 Extension Speaker
- Invader 60 1970's Head
- My amp won't come off standby... please help.
- Marshall TSL 122: Almost no volume
- vox valvetronics head
- SF Twin Reverb - fuse blowing
- Questions about cap job I had done
- JMP1 preamp battery replacement - solder or glue it in?
- Verlage VTR-100 Schematic Needed
- Should these resistors be replaced? Pic
- Very Unstable Amp - Oscillation
- Music Man Capacitors
- Pignose B100V
- Gallien Krueger fan not working
- Question about discharging capacitors
- Question about tube pins and schematics
- Can I bias my 6505+ / 5150-II?
- SJ 83100 transistor data sheet
- Marshall hdfx schems?
- Amp cuts out at loud volume
- Rivera R55 cap popped
- scratchy presence pot
- Treble Control popping noise
- peavey classic 50 won't turn on, burnt cap.. help!
- Russian 6V6's arcing internally
- Silvertone 1482
- Behringer BX1200 low Output
- Acoustic 150b unwanted disortion
- Music Man 2275-65 break-up
- Fender reverb send/return as effects loop?
- Rusted SVT transformers
- Dsl 401
- Links to Vox schematics
- fender princeton 650 making popping noises
- Help!!! Marshall DSL 401 Issue!!!
- Low Power w/ SF Bassman
- Need Output Modules for MF350
- Cornford Hurricane Reverb issue
- Installing 3 prong cord in GA5
- No output from 5150II
- SVT-2 Pro problems
- Vox AC-15 Problem
- transformer wiring
- DRRI question????
- Kendrick Gusher
- magantone 431 chirping when vibrato is on
- Blues Deluxe Reissue low volume
- Peavey Classic 30 1x12 gone dead
- Roland Cube60 problem
- Fender Ultimate Chrous
- peavey clone again
- Yamaha G50-112 Schematic Needed
- power tubes flashing along with trem, help!
- Amps blowing fuses. Please help.
- Vox AD60VT loses memory when using foot controller
- Fender Hotrod Deluxe poweramp distorting
- Black face Dual Showman ??s
- Unspecific Peavey 5150 question...
- Amp crackle with note - I'm stumped!
- MG100HDFX - Help required please.....
- SVT fan coming through speakers
- Morley EVO-1 oilcan echo
- Old Princeton Reverb keeps blowing fuses
- AC30 needs retubing
- 68 'twin Vibrato
- Help with marshall jtm-30 & 60
- QUESTION: How to Diagnose a defective speaker?
- Triple Rectifier - hissing
- Noisy Elmwood - could it be damaged?
- 4 Tube amp Questions for noob
- Could it be this simple? (Fender Dual Pro)
- Mesa MkIIB - Relay Buzzing
- Need Help/Advise
- Jcm 2000 marshall Dls 100
- Peavey Transformer 112; loud hum
- Behringer GMX110 - 20vDC at Speaker Output
- Biasing Ampeg amp Teach me!
- Advice for learning
- Ultra 112 Ch. Switching Nightmare.....
- 22/33uf Filter Caps
- RE-301 noise on reverb
- Ampeg VT60 schematic needed
- Sunn Beta Lead blown?
- Fender Champion 600 Switch
- Mystery Caps in my amp??? need help
- Help: Diagnosing Non-Functional Reverb
- Marshall tubes marked vlve000..etc
- Randall distorts
- marshall that whistle
- Marshall DSL 401 No Sound! Really Need some help!!
- Fender HD Deluxe -Update on using different dropping resistors
- Arcing in power tubes
- Marshall Valve Problem
- Need help with Fender Schematic
- VS65R - No Output, Preamp works
- parasitic?
- 86 Carvin X100 trouble.No Volume,cooked resistor
- Fender M-80
- Frontman 25R Channel Switching/Footswitch Problem.
- Showman tremolo on without footswitch
- randall bass amp distorts
- Ampeg SB12 Hum
- Danelectro Cadet 122 problems
- speaker wiring question
- Mesa Boogie Mark 3 Gain Loss
- peavey 5150 / marshll 1987x
- vox valvetronics self test mode
- Problem with DR reverb driver
- Acoustic 470 Lamp Driver Issue
- plate resistor problem....?
- Peavey Bandit 112 Transtube - Dodgy pots?
- Ampeg SVT 400 T Distortion
- SF Twin Reverb Distortion - Filter Caps???
- AC15 reissue problems
- power supply caps
- ESR Meter
- blues deville floating relay
- DR Treble response
- Mesa MkII bias caps
- how does it work?
- Kustom Dual 35 DFX Schematics
- overcompressed sound in new amp
- fender deluxe 90 DSP problem
- QUESTION: Biasing a '65 Reissue Deluxe Reverb
- Mesa Mark 3 preamp tube heater voltage
- Ampeg B-15T
- Ampeg svp1600
- TRRI blew up - no power - please help
- JCM 900 dual reverb effects loop problem
- BF Super Twin Reverb - Burnt resistor
- To crimp or NOT crimp
- fender tube
- 70's Ampeg SVT repair help needed
- Bogen CHB 35A Always a bit Distorted
- ? about LM3080N used in a peavey amp
- HR DeVille 112 noise
- My peavey bandit works rather weird
- Ampeg VT-22 question
- Need info on Crate PA-B8350
- Funky axial electrolytics
- Pedal problems
- JCM800 Burning Tubes - HELP!!!
- Microphonics driving me nuts!
- loud popping volume.
- When to change tubes on mesa boogies?
- Question about Mesa MkIIB schematic....
- 70's Ampeg SVT crackling, popping, fan problem
- Hum - PT inducing this into the OT?
- problem with filament rectified supply
- Pv 2000
- Super Reverb RI resonance/microphonics? Weird.
- Firefly - First build problems
- Noise from logo light
- Looking for Dome Knobs with Dot Pointer
- Transistor search. 2sk184gr & 2sk363gr
- favorite wire stripper for small guage wire?
- Finding the source (hissing problem)
- Roland Studio 6V troubleshooting question
- Floor vs. Wall Mounted Reverb Pans???
- JCM 2000 DSL 100w help - audio problems, burning smell
- Gibson Duo-Medalist - too much treble, not enough volume!
- 5150 vs. 380V
- Transformer shunt bias adjustment
- Testing caps?
- Seek OT-215 Substitute