- Need someone more knowledgeable
- Mesa GEQ - Changing the freqency.
- Crate V1512 mods
- Is this amp PCB layout familiar?
- 5E3 Half Power switch
- Hola! Perhaps you awesome peeps can resolve my query on bias..
- Crate Stealth GT50H Mods
- Should I add a bypass cap in a cathode-biased amp?
- 1/2 power switch?
- Gibson GA 40T Effect Loop?
- EQ in the FX loops as a master volume?
- any tube guys out there have exp with el506's?
- How to add bias adjustment to a Mesa 20/20 amp?
- Rectifier diodes
- I want to convert 6L6's to 7591...
- Speaker attenuators ...
- New Tubes for Traynor YSR-1 Custom Reverb
- peavey mace mid mod
- Pulling power tubes from a Twin Reverb RI
- '65 Twin Reissue Mods
- Fender DRRI
- Crate VC50 mods
- (2) 10's in SF Deluxe Reverb
- Pulling tubes in a Classic 30?
- 12AX7 12AY7 together in perfect harmony?
- SF Deluxe Reverb 70w Ultralinear mod
- Finally attacking TSL100 channel switching latency
- Amp Reverb Mod
- Peavey VK112 OT Change 4,8,16,32ohm Mod.
- LTP vs. Cathodyne for 6L6 tweed
- Two 6L6's in a Four 6V6 amp?
- How to add a headphone tap to weber attenuator??
- Clipping a treble cap on Gretsch 6150T
- Hot Rod Deluxe and Loop-Master channel switching
- Crate Stealth GT50 voicing mod?
- modding a crate stealth 50 watt head.
- mg15dfx footswitch
- Voltages in Magnatone 280 vibrato circuit
- Mesa DC-3 questions
- Screen grid resistor - 6V6 6L6 swapping
- 12ay7 instead of 12bh7 and 6cg7 in Magnatone 280
- Fender Bandmaster gain question?
- BF Bandmaster REmod(single channel w/reverb)
- 18Watt TMB tweek bass response
- TKO the Master Volume on a Super Reverb
- Rewiring V1 for full use of both triodes?
- Need help with mercury magnetics mod on a valveking head
- Tone Stack Q
- Any love for Weber Capacitors here??
- Need some help with a Fender Musicmaster Bass Amp
- Does this obscure amp have any mod potential?
- V32 -reducing brightness on clean channel?
- 12bh7 Carmen Ghia
- Amp service/repair or modification DVD's? Anybody know where to get them?
- PPIMV Problem
- modding a ga-45
- I cut the trace between the lugs on the mids pot...
- Reducing gain in dirty channel
- Mod "wiring" question
- independant adjustable bias 4 peavey bravo..please help
- adjustable bias 4 peavey bravo.
- Marshall MG15ZW Gain
- International Amp Conversions
- Paul C mod for PR
- preamp tube voicing?
- Marshall MG series Reverb switch MOD
- Hum after bias adjustment
- Peavey Royal 8 valves and mods
- JR Haze Mod
- Peavey Triumph60 Adjustable Bias
- Home made rectifier replacement
- Mesa Boogie Caliber 50+; effects loop problems
- jcm 800 clone for bass
- Bias pot mod for ampeg vt-22 & vt-40
- Crate V50 Tube Amp
- LED in tube socket
- what does a resistor across pre gain control do?
- Bias Pot Mod Crate TV-120
- Sivertone type amp...mids tweaks
- Crate BV60H Mods and overhaul
- Dsl-401 tone modification
- Using the PT Rectifier CT for my B+
- Suggested hot cat / star amp mods?
- Fender Blues Deluxe Volume Cont Linearity
- Add reverb to a 5f10 Harvard
- Fender Bassman AA371 mods
- Mods for Fender Ultimate Chorus Amp
- Convert 5150-II lead channel to original 5150 spec.
- Mesa Boogie Triple Rectfier Effects Loop Mod?
- Marshall JMP Mod in Progress
- Pulling tubes? Peavey Rock Master head
- NFB Switch For Peavey Classic 50/50
- Mesa Boogie Mark IIB bias install
- I got a VibroChamp Question.
- Fender Blues Junior power transformer
- SF Bandmaster Reverb (w/BF mod) - VVR? Vari-Watt? Weber kit? Recomendations?
- Bass amp to Power amp conversion? (70's Yamaha B100II)
- less treble on gibson ga-17rvt
- Champion 600 -- with an EL84 tube?
- Super Reverb Blackface Mod Question
- Mod for HRDlx Power Amp In
- add depth/resonance control to Bugera 6262
- How Do I Install An LED To My Amp Head
- HRDeluxe footswitch...GCX?
- Add reverb to plexi
- 1st tube - triodes in parallel
- Ear fatigue and making mods
- Hot Rod Deluxe, Quieting output for certain gigs
- VK112 Bias Pot Mod
- Harp amp mod for dummies
- Voltage rating effecting tone?
- Bass pot broken after modding the tone stack on Peavey C30
- Mercury Magnetics transformers...
- Peavey VK100 Valveking Bias Mod
- Any Midboost layouts for AB763 preamp?
- silvertone 1484 tube problem
- modding a Champion
- Modding Laney Lionheart for stronger / wetter reverb level
- On/Off Mod Switch/Pot Popping 66 Vibrolux Rev.
- Help with modding a peavey bandit 112
- Help need to add an AUX input
- Pulling tubes Triple rectifier???
- help me mod my Ampeg jet II
- Switchable Reverb for Fender HRD
- Yellow Jackets in a Gibson GA-30RVT (7591s)?
- Dual Reverb in a Fender Twin!
- Peavey Renown 400 saturation mod? Enzo?
- Amp mod technicians?
- Combination DC and AC Filaments?
- Non-Marshall PPIMV
- messing with my marshall valvestate 8080
- PCB Board PRRI
- Ohm question on 2x12
- Blues Jr. OT upgrade
- swappability of 6V6s and 6L6s in Fenders - Vibrolux and Princeton
- Integrating noise-gate circuit
- converting to solid state rectifier
- Mesa triple rec head help!!!!!!!
- MOSFET Phase splitter
- Peavey Valveking component upgrade
- pa100 reverb conversion question
- Marshall JCM diode clipping bypass mod
- Converting from 6EU7 to 12AX7 ... need a little help.
- OT Recommendation for Peavey Delta Blues
- 87(ish) Ampeg Vt-60 needs some new(bigger) balls
- Peavey Rockmaster pre mods
- Anybody Else using Sylvania 6BG6GA?
- Channel switching Marshall TSL
- Upgrading signal path capacitors to Sprague
- MM Princeton Reverb OT & PT
- blackface mod to a Gibson GA-5 Reissue...
- adding a new verb to a champ 12 ??
- 65 Deluxe Reverb front end EF86 mod.
- Need OT recommendation for rockin' 5E3 project
- Peavey Vavleking footswitch mod
- 6L6 in triode mode, possible?
- Fender 65 twin reverb reissue mods
- AC15CCI + tone cut knob question.
- New Approach to a Classic 30
- Payback: 4210 Mod
- Headphone out schematic
- Crate vc-2110r reverb mod?
- Added Tube Rectifier - Bandmaster
- Older Crate V1512 choke install question
- 6J7 Pentode Relacement
- Help with an old solid state amp
- fuse for Musicmaster Bass Amp?
- Virtual Earth mixer for Fender Twin, Super, Bandmaster
- Rivera chubster and JJ 6V6's
- Ashdown abm evo 500 III
- Jamm Professional amp & possible mods?
- Correect 12AX7 plate voltage?
- OPAmp substitution...mixed results
- Swap op amp ? in traynor TS-25b
- Draining Filter Cap Question
- mixed triode/pentode in duet PP
- Tone stack calculator:altering controls ?
- Help modding SS amp. MG15. Enzo?
- How can I add a speaker out jack
- 6l6 ok with 6v6 OT ?
- How to lessen bass response in tube amp?
- How to soften the 'attack' of tube amp?
- Peavey Classic VT Phaser
- how do i add a lineout to my amp?
- Bias Wiggle Term on A Bassman 50?
- Whole sh*tload of mods for Crate V18...
- Fender Concert - increase headroom
- Why "flyback" diodes?
- BOSS GE7 sub HA12017[SIL] FOR dil equiv
- 135W UL Twin normal channel mod to Bass Guit. Channel
- peavey mace / ge diodes
- Peavey Classic30: boost modded
- Fender Princeton Reverb - "imbalance" in PI: specifics?
- how to terminate reverb transformer
- My Vibro Champ Reverb
- PI values for Class A push-pull
- 6550s in '65 or '66 blackface bassman?
- "downgrade" a twin reverb to a deluxe reverb
- value of grid to ground R in SE amp
- Tone mods Music Man RD-50
- Fender Hot Rod Deluxe - power amp in
- Fender deluxe Rev normal channel mod
- Switching high voltage
- Motorboating in Peavey Classic 30
- Installing an analog meter to amp output
- B+ reduction
- mixed tubes in push pull
- Vox AC/30 Custom Classic Head - Rectifier Problem
- Adding an onboard tube driven reverb to a Marshall 1974 18 watt clone?
- Peavey Mace Vt Repair and Upgrade questions
- Bassman line out?
- V-Twin switch mod
- Moding a Fender Super Reverb back
- Headphone addition to a Fender 212R
- EL34 to 6V6 impedance question.
- Calmdown a 5E3
- JCM 900 mod - 6l6/5881's for EL34's
- Peavey Classic 30 Presence Mod Question
- Anybody know anything about the B-52 AT line of amps?
- EL34 to KT66?
- Clipping diodes - Marshall JCM 800
- Peavey 5150 II output transformer question
- Affect of resistor in amp input?
- Modding a Princeton Reverb BF...need some ideas
- Bassman Ten + 135 UL Twin into 135W Bassman and 50W Twin?
- Twin Reverb Reissue, Reverb Mod
- Hello and a question
- Carbon Comp vs Carbon Film
- Implementing a relay in a hand-wired amp
- Help with AOR 100 mod
- Peavey Delta Blues bias adjustment
- Peavey Delta Blues bias adjustment
- Power transformer conversion questions
- VHT mods? Anyone?
- Roland JC-series question about speaker polarity
- adding a presence control to a bogen cha33 question
- Mark Cameron Marshall mods on Youtube
- Line Out For Kingston
- How can I make the tremolo on my Ampeg Jet II footswitchable?
- sound of fixed bias versus cathode bias
- How to set bias on Peavey Valveking 112?
- Which 12AX7's Are The Noisiest With Less Hum ?
- 82 SF Champ revamp
- Help please to join 2 pre-amp channels into one
- Fender Hotrod Delux
- Adding drive to bass amp?
- PA conversion...bass tone
- Speaker suggestions for 90's Fender Super 4x10
- want to mod JCM800 (2210), more gain needed
- Sovtek mig 60 mods ?