- Strange Hot Rod Deville breakup
- Crate GX-15
- Marshall DSL50
- bandit 112 problem
- Tilting amp back onto its legs almost kills volume in fx loop
- Trem problem
- a bit off topic? Need schematic for Nikko 220 power amp
- Super reverb Vibrato--no worky
- Looking for Marshall VS100 schematic
- mosfet forward bias/ Hartke HA3500
- Power supply ground buzz....
- Noise in SFDR
- Ampeg J12t cuts out
- MusicMan 2275-65
- Blues Deluxe channel Limbo
- Fender Tonemaster
- Laney tube amp problem VC 30
- Question about replacement 100 watt Marshall PT
- Torres bias kit problems
- Peavey Ultra Plus - dead...
- Dead JCM800 . . need help . . .
- Hum in my fender blues de luxe
- HELP!! Marshall TSL100 Hum Clean channel only
- Marshall JTM60 preamp filaments
- Capacitor voltage rating
- spitfire problem
- Hum in power amp
- HELP with a Vintage Amp that's dead...
- 5150II Noises (and lack thereof)...
- Repair Safety First
- ODS troubles when cranked
- Extension speaker jacks (Alamo in particular)
- Marshall JMP-1 Midi preamp
- Marshall 50 watt JCM800 PT\Heyboer Woes
- Roland JC-120 fuse blowing
- 5 Volt Tap Question
- Fender Stage 112SE
- Vox AC 30 80ties problem
- Super Reverb RI trouble
- Problem with my Sunn 2000S
- Sovtek Mig50 low power
- Question about Bridge Rectifiers
- Safety for Tube Amp Nu-B
- Looking for schematic for Garnet PM1 mixer
- Vox AC125 HELP!
- Biasing trick for a Rivera R-55 ???
- Help - replacing plastic 4-prong jack
- tips on selecting replacement transistors when the original type is unknown
- Fender Super 60
- buying an oscilloscope
- Noise problems - Silverface Deluxe Reverb
- Wacky 5150 schematic
- mesa boogie dual rectifier odd feedback
- Need Valco "Chicago 51" schematic
- No sound at all: missing B+ ???
- Rivera f-55 - Octal sockets?
- Schematic for VOX AC-15 TBRX ?
- Loud Hum In Peavey Pacer Amp
- 6G9-B Tremolux (Brownface) voltage check - running too hot
- Ampeg Vl-1002
- roland cube 30 warbling
- popping when i turn transistor amp off
- 1965 Deluxe tube specs
- Grounded cap in Pro-Reverb, V5, pin 6
- Cap can question
- Sunn Sentura 2
- Strange Buzzing problem
- SS Ampeg B100 power transistors - What are they?
- Need Champ 25 Power Transformer
- Trace Elliot speed twin gone bang
- Locating Buzz in Distortion
- Marshall DSL100
- Marshall repair - how to replace speaker??
- Source for a 4PDT?
- Valve Jnr EL84 bias..
- 5150 Combo problem
- Info on this amp???
- sound city 50+ problem
- Update from Ashdown on 60H bias-FYI
- New Cap just died?
- Peavey Delta Blues
- ashdown peacemaker 60 bias adjust
- schematic for Ashdown Peacemaker 60
- Crate problem PART 2
- Need EBS TD650 scheme
- 18-watt - 60 and 120 hums
- Marshall Tube Amp Problem/Please Help
- Ampeg VL-1002/Please help..
- Crate vc5310 Valves ARRGGH lost volume
- '65 Super Reverb Tubes
- Need schematic for Crate FXT120
- roland kc-500 amp repair
- HUGE rookie mistake 18-watt heaters
- marshall slx power amp oscillating
- Valvestate problem - low volume
- Trouble With a Paraphase PI
- Peavey Delta Blues popping sound
- Johnson JM-150 amp PCBs
- How can you tell if a rectifier tube is bad?
- Vox AD30 noises
- Acoustic 300 schematic needed and ???
- JCM 800 No Power
- Deluxe Reverb tube problem
- Marshall valvestate 8100 blowing fuses
- Crate problem
- Sovtek Mig 100 Problems
- Bassman 135 Blowing Fuses
- Need schematic for H&K Attax 100
- Replacement PT for a JCM800
- Biasing
- Replacement OT for EKO?
- Current 6L6GC tubes...Tung Sol, JJ, other?
- SHOCKING Princeton
- Firefly amp
- 5150 standby doesn't work
- Rivera Fandango 212 combo problem
- replace one or all speakers?
- New 1967 Traynor YBA-3 - Noisy Crackling When Idling
- power transformer with no bias tap
- Fender Prosonic Amp gone "funny"
- 500 ohm grid stoppers for 6V6?
- reverb feedback
- Pro Jr. problem...
- swr workingman 15 catastophe !
- dead ampeg, need help troubleshooting
- Marshall blown PT cause
- No sound - volume knobs are ineffective
- Flutter with 12au7 tubes...
- Complicated homebrew help?
- Traynor YBA-1 Bassmaster Capcan replacement
- Mixing brands of output tubes
- Marshall DSL
- ampeg svt 4 pro-ground loop issue
- Fender performer 1000 Hey Enzo
- dead cap?
- Biasing question
- Q: Blackfacing a '69 SF Vibrolux Reverb?
- When did Electrolytic Capacitors get so darn expensive???
- subharmonics in Marshall 4210 (2205)
- Fender Princeton Recording Amp
- 6L6 Groove tube filiament solder issue
- Water damage Peavey Artist 240
- Sovtek MIG 60
- Newbie question - obtaining an oscilloscope
- Discharging filter caps in a Classic 30
- Problems with my 5150 combo
- Peavey Classic 30 tube glowing red
- space echo dying
- Hartke 3500-Output transistors
- deluxe reverb tube q
- Fender M80 help needed
- Hiwatt Lead 50 bias reistor
- Yet another parts source question
- Vox AD60VT Part search....
- unresponsive speaker
- Reverb in my Blues Jr doesn't work.
- Fender Acousticonic Jr.
- Loss of power (volume really weak)
- Holland amp schems?
- Sick Laney VC30 112
- beginners luck advice needed
- A quick quesiton about testing resistence
- HT fuse just won't stop blowing.
- Eico 950 B
- 5150 - Powered up with no speaker cable
- Mesa Studio Preamp - "dirty pot" sound
- vox tube change
- Roland jc-120
- How to use a tube tester
- Hartke HA2000 Part ID
- How do I get started in amp repair business
- Marshall JCM 800
- Hiwatt SG50 Lead
- PLEASE HELP!! Ampeg SVT R47 Preamp Resistor headache!!!
- Valve junior filter cap help
- Peavey 6505+ problem
- Filter cap voltage
- Randall RG80-112sc Channel Bleed
- Lee Jackson sp-1000
- safely run 8 ohm speaker off 4 ohm amp?
- One Tube Red Plates
- Can I use 6L6 tubes in my marshall 2555?
- I want to put 6550 tubes in my Marshall 2555
- Mesa single rect low volume
- Are Illinois caps better the Weber-branded caps?
- Twin Reverb build cuts out when Vol Cranked
- ? about TSL pot
- How can I get Marshall TSL Service Manual
- Peavey Delta power tranny Blues
- tube help on a Peavey Delta Blues 2x10
- bassman 135 feedback or parasitic
- One socket causing tubes to "run away"
- Hum with Reverb Channel?
- Carvin X-100B
- RFI filter for guitar inputs
- Carvin X 60A
- Amplifier Chassis Pictures - where is it?
- vibrating PT - help...
- LANEY with no power
- Marshall MG100 FX master volume
- RCA 480060 replacement
- Fender Hotrod Deville 212
- Is it ok to use a 5U4 instead of a GZ34 in a Vibrolux?
- Fender BXR 400 Problems
- head problems
- 64 super reverb speaker choices
- Schematic Heaven down?
- Wanted: Vibrolux Reverb AA864 schematic
- getting ready to make my first amp mods
- SUPERCHIEF 120 MATCHLES Schematics Request
- princeton tweed distortion
- need amp help
- 70's Bassman tube problems
- Mesa Boogie solo humming badly
- 73 Deluxe Reverb hums when rvrb turned up
- Loss of power
- Ampeg g212 input op amps RC4739
- Marshall AVT275
- Epiphone Valve Standard Problems
- Fender Deluxe Reverb II - repair?
- 18W build is kinda turbo charged too dirty too soon
- Marshall 9100 Voltages?
- Used Solder stations on Ebay... Whats the best?
- CGI amp w/weird IC
- Epiphone valve standard DSP/reverb problem
- peavey Delta Blues
- Peavey 5150 t-former ??
- Random Reverb Pops (BFDR)
- Peavey 5150 problems!
- V2A gain problem (?) on JTM45 build
- Fender Ultimate Chorus heads-up
- Plexi Marshall blowing HT fuse.
- musicman rp-65 bias
- Dead Fender Stage 185 Amp
- Roland Space echo
- Malfunctioning Peavey Classic 30 - a summary report
- Reverb tank # for marshall jcm800 4211 combo?
- Fender 75 - b+ fuses blow intermittently
- peavey 300 cuts out
- circa 69 Bandmaster Reverb re speed/intensity
- Mesa Boogie 50w Rectoverb needs an exorcism!!!
- AC-30CC problems.
- Loud Pop
- Randall Warhead X2 help needed (calling Enzo)
- How to check a DMM?
- Marshall 2061X Handwired 20 watt blowing preamp tubes..
- Randall rg 80 es
- Preamp tubes do not lit up!
- Mesa DC-10 (low volume problem)
- Alamo Hot Chassis?