- Odd popping noise
- Higher output with reverb on mod/tweak?
- Hot power tranny in Princeton Reverb
- Modding my 66 bassman
- Reduce Bassman power
- jcm800 split channel mod
- 5F2a help
- Superbass PT bias tap substitution
- Champ 12
- External speaker volume control?
- jcm800 split channel mod in progress
- Recherche des francophones cales en electronique
- Pro Reverb blackface mods
- Fender 5B5 preamp tube change
- Lead volume question
- Electar tube 10 use EL84s?
- Need help with tubes for Blues Deluxe Reissue
- Ampeg VT-40, THD Yellow Jackets and plate voltage
- Ashdown Peacemaker20 mods?
- Peavey DB Tremolo mod?
- adjusting cathode bias
- DIY attenuator build
- Power Tube Mod 6161 Gretsh Twin
- SF Deluxe Rev:cathode bias switch help?
- Replacing Silicon Diodes with F.R.E.D.s
- Any one know any Blues Deville mods?
- reverb on both channels
- ground loop breaker article at ESP
- increase power output?
- Change Voicing Question
- jcm 800 4210 channel switcher - which mods to do
- Add Headphone out to guitar amp
- Selmer Corvette cap job and tweeks
- Ampeg Rocket OT ...
- thinkin' about Laney mods...
- cathode battery mod
- Marshall 18W 1974X MV mod problems
- 6.3 to 12.6 schematic
- VOX AC15RI PT diagram ?
- Bianchi caps
- L-pad watt rating
- Champ 12 simple mod question
- Changing a rectifier tube question (Champ)...
- 1.5K gridd resistor 6L6/EL34 amp
- Adding an effects loop
- Deluxe Reverb to Class A?
- "Pop" in a preamp cathode switch
- Plexi Cap value suggestions
- Your opinions on a few mods
- Isolating the spring reverb in my vintage fender amp
- Power amp input
- Adding BASIC compressor diodes across V1 clean
- Speaker Dummy Load Question
- RI AC15 upgrades
- Vibrolux / Tweed Mod?
- Deluxe Tweed-Style Preamp Mod - Master Volume
- MM PT in AC15RI, EL84's redplating.
- Preamp Ck/Rk switch values...
- Fender Twin Reverb, too bright?
- JCM800 split channel mod Ottovalvole
- Solid State amp question
- Adding an OT and tubes to make amp stereo
- Headphone out mod?
- Zener between PT CT and Gnd.
- Wiring a VU meter
- 120vac LED/~6'' wires...no concerns ?
- 1976 Bassman 50 help
- Speaker replacements
- Has anyone ever done the Steve Ahola Bassman Mod?
- Adjustable bias on Valveking
- Any suggestions on what to do with an extra tube?
- Fender 65 DRRI
- Switch between fixed and cathode bias?
- 6505+ clean
- Removing the Reverb board from my DSL100?
- 6CG7 swap for EL84 ?
- Mesa Rectoverb Adjustable Bias Mod Question
- 6L6GC tube swap in Fender Super Reverb Clone
- Adding a Variable Line Out jack
- Warehouse Guitar Speaker: "Black and Blue" released
- Spring Reverb Options
- Can you run 100w on just 2 tubes?
- Vibro champ to Reverb Unit!
- Pignose G40V mods
- 12AX7 vs 6EU7 power draw
- Fender-esqe
- Fender Champion 600 reissue
- Improving Reverb sound on a Peavey Classic 30, any idea?
- Bright Victoria 5E7
- peavey heritage vtx help!
- Pv XXX
- Power Tranny Swap
- Where best to locate the variable resistor for the 5150 bias mod
- My first DRRI mods and question
- Need ideas for New Build/Old Chassis
- Sears 40XL?
- Recommended mods for Peavey VTM
- Fender DRRI Bias
- Success! Traynor YCV20 reverb mod
- Princeton phase inverter mod
- 7-Band equalizer primer?
- Peavey DB 210 mods
- Mid '70s Twin to Blackface Website/manual ?
- Splawn Modded 58slp reissue effects loop
- Fender Champ Mod Question
- AB763 PT Question
- capacitors for a pc30
- Master Volume for the Peavey Delta Blues
- older Fender Pro
- Marshall channel in Normal channel of Fender reverb?
- Peavey Classic 30 same as always??
- Ampeg vl-502/1002 -more clean
- Recommended Fender BF Princeton Reverb Clone Mods
- valve junior mod
- How to add an external speaker jack Fender Blues Deluxe
- External Speaker for ValveKiing 112
- Howdy, N00b question here..
- Which brand for coupling caps for DR?
- Thoughts on AB165 Bassman
- Blackheart Little Giant and the Mercury Mag Mod
- Koch recording output used as "attenuator"
- Output transformer replacement... Worth it?
- Selecting a speaker for my Traynor YCV50
- Drive amp's own speaker from rec out?
- What were they thinkin' in this old tube PA
- Using the reverb in/out on an AC15cc for effects loop?
- Amp "pop"
- Peavey classic 30 mods sound clips
- Bassman AB165 To AA864 Revisited
- Bassman 10 mod--Plexi with 6L6GC
- Tone Factor of Caps
- Peavey Butcher Choke Help
- Replacing relay with optocouplers
- New Board For Fender DRRI
- Marshall Caps
- Twin Reverb AB763 Dropping Resistor
- Peavey classic 50 mod??
- AB763 Power Tube Mod
- JC 120 Reverb
- 1/2 Power Mod
- SR RI Disable Vibrato
- Dumble like Mod for Fender Deluxe Reverb
- Question for Clarification
- No Name Amp - Isolating the Power Amp section
- Univox U45B adding a line out
- Possibility of JCM 900 Mods.
- Bassman to mod or not to mod AA864...
- Could someone glance over/proof my mods layout plan? BFPR new build...
- 5F6A combined 5E3 circuit idea
- Does Adjustable Bias Mod Introduce Hum?
- Champ w/6L6...
- Switchable Bass Boost for JCM900 Dual Reverb
- german guitar preamp wildness
- ashton viper 100
- Mod a Preamp
- Choke placement on DSL50
- 6L6 and ss recto in Deluxe Reverb: need more filtering?
- SS -> Tube Rectifier in Bassman 50
- Push/pull pot on a re-issue?
- marshall JTM 30 bias question.
- Jcm 900 4100 How Can I Eliminate My Preamp
- Randall RG-90
- Need a new PT, overbiased EL34?
- jtm60 fan help
- Reverb mix resistor change on Fender and the effect I'm getting... Confused.
- Effects return to PI grid #2
- 5e3 master volume?
- resistor types
- ground a grid for single ended?
- Hafler T2 Mods?
- Peavey Classic 50
- Pentode/Triode DRRI?
- Another Fender Classic 30 thread
- 59slp cap mod
- '68 to '59 Bassman mod w/master Vol...help?
- 6EU7 vs. 12AX7
- Fender M-80
- how to disable princeton reverb vibrato
- Values for brightness capacitor on volume/input ?
- Marshall AVT50h mods?
- Bass amp posible mods for guitar use
- onboard reverb pro 5E5-A
- Speakers for a Modded AB165
- Engl Fireball OT upgrade
- fender bantam bass amp
- tube swap
- Classic 30 mod: which jumper disconnect ?
- Changing from 6550 to EL34?
- How crazy (stupid) am I? Valve junior to Tiny Terror!
- Peavey Ultra Plus 120 Tonestack mod
- DRRI Overhaul
- Peavey Butcher 6l6 to El34
- Gibson Skylark to drive extension cab?
- Fender Pro Reverb and Thd Hot Plate
- Marshall JCM 800 4010... mods
- Blue Voodoo Mod
- turn reverb control into gain/volume boost
- Lowering Bias Voltage
- New to tube preamps
- Bass in guitar amp? whats wrong with it?
- Gibson GA-20RVT mods?
- capacitor type
- 6aq5 to 6v6 conversion gibson ga-17rvt scout
- DC Filaments/Heaters, help/advice...
- Ampeg V4 Twin Bias Mod
- Rivera EL34 to 6L6 switch?
- Blackfacing a 77 silverface PR
- Output transformer protection fuses
- AB165 bass channel=>plexi mod
- Peavey 60/60 upgrade
- Adding master volume to Ampeg V-50H
- Classic 30 "tweed bassman" mod - first time modding...
- Princeton Reverb Design Errors?
- Trying to modify my VTM120 and well now it looks like no power is going to the amp
- Ampeg V4 Plate Resistor
- Peavey Ultra 60
- Wiring Up Channel Switching Footswitch
- Marshall TSL100 Effects loop question
- Speaker in Gibson Skylark
- Ef 86?????
- Fender/rivera channel switch for concert amp
- Laney aor100 halfpower switch
- Plush Congress IV PA head mods
- Crate V50 1x12
- Current rating in a fixed/cathode swicht
- Increase clean channel headroom?
- The ultimate Marshall mod!
- JCM 800 Switch 2 Volumes via MOSFET
- Disabling Vibratio in Vibrolux Reverb S/F
- Peavey Classic 30 mod
- VOX AC30 mods
- Roland Microcube mods
- Help with adding balance pot
- Mesa Heartbreaker bias pot
- Beefing up a VibroChamp?
- JCM 800 Mod question
- how to access the valve jr chasis
- fender reverb tank, eats signal. How can I change it?
- Adding Reverb to Champ
- crate vc5212 reverb tweeks
- Help with mod? Power amp and Input functionality
- marshall mg100hdfx
- epiphone galaxy 10 output transformer
- Wondering if anyone else has built a volume box.
- BF Vibro Champ mod
- The definitive solution to Triode / Pentode mod on a Valve Junior ?
- Question about bypass/filter caps? (I think)
- N00b questions/Crate stealth Gt50H
- SANO HI Fidelity Stereophonic 30W, help w/preamp mods
- Power switch wiring (neon illuminated)