- Mark Moyer mods to "Custom" Vibrolux Reverb
- Adding a choke to Ampeg V-4 power supply?
- Using Kalamazoo Model One as a preamp.
- Older Traynor YCV40 Master Mod.....again
- triode/pentode high/low power switch
- Peavey Classic 30 Cathode Bias / Half wattage mod
- BF Fender VibroVerb and Deluxe Reverb double note intermod at 15 Fret
- Lowering the Voltage on Traynor YBA-1
- 1996 Marshall 1959SLP Reissue
- Volume pots with power switches
- Factory bulletins on the Fender Princeton 112+? Nope but here are some mods I did
- Mods for Fender Champion 30
- EL84 NFB
- HRD Fromel Mod
- Dana Hall's VVR Install: Marshall 50 watt Plexi 1987x
- 1968 Bandmaster TFL5005 amp cabinet swap
- 5e3 Internal jumpering on an on/off switch
- Fender Hot Rod Deville 410
- Tone control lift for an 18 watter
- adding tweeter to 2x10 bass cabinet
- boosting highs/ adding presence control?
- fender bright swith help
- 5F2-A Build - Help with -NFB and Pull Switch
- Marshall 18 watt TMB mods?
- Super Champ XD harsh treble--any popular mods?
- Vox Lil Night Train Fizzy Overdrive
- Fender Dual Showman Tremolo clicking and speed issues
- Too Much Compression - Heavy Squish - Parallel 12ay7 Tweed Style
- Replacing & interchanging reverb tanks
- Mod Troubles !
- External bias jack
- variable slope mod
- Mod fender vibrato circuit???
- cathode R value
- Cause of distortion pedal fizz on certain amps?
- Can two single ended OT's be wired for push pull use?
- BITMO mod for Valve Jr
- the bright cap (blues jr or any other amp w/one)
- Bassman 100 Filter cap help
- Fender blues jr - convert to cathode bias?
- Fender Champion 600 mod help...
- Tweed Deluxe Mods -- HELP!!!
- Remote controolled reverb on a Bassman????
- CLASSICTONE-50w-OT-Transformer for Marshall?
- I thought of using a 12AY7 in my SF Champ homebrew instead of a 12AX7
- Cascode/Triode Switch?
- Peavey Encore 65 Service, and Upgrade or Mods ?
- Orange Drop Caps vs. Ceramic Disk?
- Power Tube change questions
- Question in regards to treble bleed resistor
- Matchless spitfire clone?
- Peavey Delta Blues to Hi Gainer
- Robert M. Martinelli Vox Pathfinder mods
- Laney LC15R - too much heat - should I install a fan ?
- Ok to run only 2 KT88s in Fender Twin
- Fender Pro Reverb: KT88 mod?
- VC508_Line_Out_Without_Speaker_Kill
- The carlsbro 100 pa/r amplifier
- Sovtek Mig 50 distortion and gain increase mods
- OT impedance switch question
- Drilling holes for mods in chassis
- Building "the perfect Champ"
- Add tube rectifier?
- Crate GT1200H - Mod rhythm channel for more laid-back distortion
- phase inverter question
- Split Cathode Bias: Safe to run one tube?
- Power Transformer forVox Pathfinder 15R
- Filtercaps
- Marshall 800 mod question
- Modding Randall MTS Plexi module
- bright cap adjustment?
- Peavey Vypyr 15 Noise Gate
- JFET Switching and Isolation, question
- Tremolo mod on 1960s Ampeg Rocket 2 amp
- Adding MIDI CC Support to the Diezel Herbert, VH4, and Hagen
- JCM800 4211 mods?
- Bias Mod For Peavey Mace VT
- Dummy Load
- Input-level on Fender Frontman 212R
- 6973EH tubes for little Valco amps
- 15" speaker?
- AC30CC2 Reverb mod question....
- Soft start for tubes
- Silvertone after a few minor mods
- advice on a simple mod, just for the experience.
- laney VC30 drive channel mod
- "adaptor boxes"
- Fender 140 mods/tweeks?
- Adding a headphone Jack Socket
- One-wire mod SF Bassman 100
- Peavey Classic 30 Tweed Bassman Mod Help
- shared V1 cathode?
- Transformer Buzz in Bright Switch Circuit
- Home brew tilt back legs
- Taming low end response - cathode bypass caps?
- Crate V16 reverb upgrade?
- AMPEX 620 Mod?
- Traynor YCV40 master volume mods
- bugera 33xl-212
- Want to use preamp section ONLY on 100w tube amp
- 230v Transformer for Blues Pearl Texas Tornado
- Silvertone 1484 bring your tone alive and improved reverb mods
- c30 tweed bassman mod. leak in normal channel
- Ac 30 modification question
- A little cathode bypass
- Mesa Boogie F-50 adjustable bias mod
- Preamp circuit mod for replacing a 12AX7 with a 12AU7 gain stage
- Ac 30 cathode resistor
- Output transformer swap?
- Jumpering channels on a top boost AC30
- Higher Coupling Caps; Vox Bass boost? Or Vox tone hell?
- Splawn Quickrod Mods
- bass,mid range, treble mod for Kustom KGA10 (with existing speaker mod)
- Screen Taps
- Any ideas how to put a master volume on an EL34 power amp section??
- Tweaking new 5e3 build
- Modify tremolo on AC4?
- Paul Ruby mod in Vox Night Train
- Removing gain channel preamp tube(s) Palomino V50 for better clean channel tone?
- Epi Valve Junior / GA5 tone stack - where do I put it
- Fender Champ 12 mod
- DSL grid mod
- Laney GH100L & 6550 tubes, also some other stuff...
- Need to add gain to a Laney GH100L
- Hook up wire
- Anyone play with Bogner circuits?
- Orange Dual Terror OT Swap
- High pass filter on reverb recovery
- Soldering PCB - JCA50H
- My Ab763 Has Gas
- Bassman transformer for Bandmaster - which is better?
- Polystyrene Caps vs Silver Mica?
- Iincrease signal to output tubes in Fender Super Champ XD?
- Tweed 5e3 Deluxe circuit with reverb and vibrato: possible??? Tremolux Reverb?
- Using reverb amp from 62 GE console RC1430A
- Marshall DSL100 2 230V to 120V
- Can I use an Orange Drop (non-polarized) in place of an electrolytic polarized cap?
- Are push button power switches crap?
- Tweed Princeton Input Impedance Mod (keyboard use)
- Bandmaster mods...
- easy swap Bandmaster PT into Showman?
- 6L6GC tube took out 10k balance pot
- More bottom, please. Kalamazoo Model One.
- Turning a hybrid amp into a tube amp? Is it possible?
- Modding a Bassman Ten and need suggestions
- building a 'loop in',' loop out' (effect loop) channels in a combo amp
- New OT for Bugera 333XL? Worth it?
- STF Electronics 5F1 Clone
- Problem with this fizzy sound
- Guitar into VU meter?
- modding a hybrid amp for a cleaner sound
- Replace Reverb With More Gain?
- Missing Tube In Gibson Skylark GA-5
- Tone controls don't do enough
- need Jet City JCA100H schematic
- Adding a mid control to a old Fender amp without drilling any additional holes.
- Bogner XTC Red channel mod question
- Blackface Channel on 5e3
- Additional mid control - with drawing, ala Framus Cobra
- I want to give thanks...
- Replacement Speaker Selection
- installing a headphone amp
- Fender super twin modification
- adding a tube driven reverb to a champ clone
- Fx loop in a vibro champ
- tweeking a '59 RI Bassman LTD
- Any Music Man amp modders in here?
- Installing a "Resonance" control in my Bugera 333xl. Assistance please?
- Your experience modding 5E3 for humbuckers
- 57 DELUXE REISSUE W/NOS 5Y3: CAN I SAFELY SUB 6K6GT's FOR 6V6's WITHOUT SERIOUS MODS?
- marshall JTM 30 mods
- Boogie .50 Cal + bias circuit mod
- Lab series L5 reverb on both channels?
- PI mods in Princeton Clone - Stress to PT?
- Stiletto Variable Bias Mod
- Sovtek Midget 50H Info?
- Laney L5t-112 effects loop mod?
- Modding a Tweed Deluxe - less bass boom required
- Stupid power supply question
- 2006 Splawn Quickrod mods
- Converting Hartke HA3500 to Ha5500?
- Fender Bandmaster Reverb output stage - negative feedback issue
- What can I do to a Marshall1959slpri
- Any way to increase Ampeg B15N wattage?
- Need a power source for a fan in a Peavey 6505
- Effects Loop Mod's
- Impedance Converter Transformer
- Ampeg VT-120 channel-switching fade-in, ways to address?
- Resistor power ratings in valve amps
- :Blackheart 5 watt OT replacement
- Ways to remove background noise?
- Tweed Vibrolux, want to reduce mids a little.
- Post PI Master Volume mods, do I put caps AFTER the dual-gang pot ? Or not..
- Omega Mod for Fender Hot Rod Deluxe
- Slowing down Tremolo and reducing Reverb depth in Princeton Reverb
- Getting rid off the brittle high end in BF Princeton Reverb???
- Concentric Pots in tone stack?
- Headphone socket
- vibroverb63RI bigger tranny help needed.
- Choosing Ck for cathode biased 6L6's
- lamar ppimv on one side of the PI?
- Possible Peavey Mod??
- Hot Glue Woes
- contour tilt tone control mods on stangray?
- Question on Champ AA7 64
- what does it take to double wattage?
- Converting SWR LA12 60 Watt to 100Watts
- Help removing/bypassing an effects loop.
- Removing a Gain Stage
- When upgrading a Fender output Transformer?
- Fender Concert Rivera Mod
- learning about my modified Traynor Mark 3
- Making a Fender bandmaster Reverb louder with upgrades, any suggestions???
- Marshall VS65 speaker Upgrade
- Volume loss after PT & Choke change
- Crate V5 Mod
- 5150 II power amp disengage
- EF86 preamp in deluxe Reverb
- external speaker jack
- Sessionte 75 Combo Amp
- EL34's in a 5e8a twin
- Victoria Tweed Super(5f4) = Bright. What speaker to tame and retain jensen vibe?.....
- Best cap to modify bass response in tweed tremolux?
- Fender Vibrolux Reverb mod that could use some work
- Power filter bigger caps causing hum?
- Would adding a AC outlet on back of a Tweed Bassman interfere with tone/noise?
- Re: THD Univalve Mods and Rebuilds
- Dr. Z Mazerati GT Head -- Push-Pull or Multiple Tube Single-Ended?
- Taming a SF Champ tone stack bypass mod?
- need advice on an output tranny.
- VVR in a Egnater Tweaker Head
- Bugera 6262-212 Foot Switching
- Any issues with 2 speakers slightly facing each other? Phase?Noise?Feedback?other?...
- Trying to add a PPIMV to Vox AC30
- Series Effect Loop schematic
- Final Setup and last choices for longevity / reliability
- Pro Junior negative feedback wire question
- Belton Digi-Log Digital Reverb to Replace Solid State Driven Tank
- Vibro King "style" clone w/4x6L6 : Hiss noise
- Peavey PAG 120 - Can I lower the touchy Ultra gain?
- FX Loop in Fender Showman?
- Pro junior r1 value question
- Mod's to Marshall avt's 150h..valve state amps
- Crate VC50 bias
- Blue Voodoo BV120h noise issues
- Lar Mar PPIMV in princeton reverb AA1164
- Do I need to lower speaker impedance when changing from 6v6 to 6L6's?
- musicman amp mod for bass guitar help needed
- Crate BV50-H Bias mod?
- effects loop advice