- Dave Hunter Guitar Amp Handbook
- Request: Schematic for Marshall Haze combo anyone?
- Filter caps question for 73 Super Reverb
- Mods??? Mixing Different Power Tubes Together
- Got "bit" by an amp for the first time tonight....
- volume pot for Fender pro junior
- Speaker wire size for Marshall 1960ax 4x12 cab? Confused????
- Where Can I get Old Fender (1960's) Tube Charts? or Images of Tube Charts?
- Advice needed...adding LED in channel switch
- Traynor YCV40 Crackle - help?
- Possible pawn shop find, advise needed.
- Crazy Built-In Browner Question
- I just fried my Bedrock- argh
- *&^%$#@! used tubes just fried an amp
- new tubes for SF Princeton 'verb
- matching power tubes
- Resistors Question???
- Amp oscillation help - Found bad ground
- amps that allow tube mixing
- bias circuit question
- Which Tweed Champ impedance?
- Need help from Husky (Suhr)
- Bulb for Heathkit Model TC-1 Tube Checker?
- do you know this circuit?
- Silvertone 1331 - transformer replacement?
- Princeton drive
- Princeton Reissue Question-tubes
- '64 Super Reverb blowing fuses
- Marshall 1987x input?
- Adding an extension cab to a Fender HR Deluxe
- Mig-50 Repairs
- Tweed Deluxe Owners - Help On Combo Cab Size. Please
- Instrument cable vs speaker cable...
- how hard of a job is switching out transformers?
- Removing paint from cabinet
- Sovtek Mig 50 PT
- Rusty Transformer
- Does a mod to a Korg era AC30 make a difference?
- Marshall JMP 2203/04 6550 to EL34 Conversion
- Help me hook up my attenuator to my AC30!
- Stuff you slap on tubes pins????
- Phase inverter Q for anyone willing to educate me
- Hakko 936 Handle Size
- 5F1 Bias Resistor Voltage Question
- tube rectifier in a bassman
- Kitty Hawk schematic??
- Are Speaker Ohms Relational To Sensitivity?
- Contact info. for Jeff Bober @ Precision Audio Tailoring?
- When did Mallory 150's change color?
- Where to find film caps under 1000pf???
- want to mod my 5f1
- Fender Vibrolux reverb
- 6v6 vrs. 6l6, sound differances ?
- What changes do I need to do to switch from 6v6s to 6l6s in a 5e3 Deluxe Clone
- Tweed Deluxe: max clean output 9watts?
- DC in NFB
- crystal lattice-tubes?!?!?! Is this real?
- Need Help with blowing fuses
- JJ 12AX7: Reliability Problems?
- Deluxe Reverb Hoffman Conversions - Thoughts?
- 6CA7 to EL34
- Supro 1290T Question
- Amp techs in Atlanta?
- Why All The Noise??
- took in a stray today
- should i get groovetubes? NEED HELP QUICKLY!
- Is there a "quietest" 12ax7?
- Sizzle/Frying sound
- Pro Reverb circuit
- 69' Vibrolux - Bias BF/SF Q's
- How to fix lifeless reverb
- Popping from PRRI
- Sonic M1A
- How Would One Track Down Where Ghosting Is Coming From?
- Cool tool alert!!
- Amp feedback, need help please!
- 6L6s in a Deluxe Reverb... what issues?
- Which 6L6?
- NOS 5Y3 in a Swart STR
- Good tech in Ft. Lauderdale?
- Hartke 5500 Bass Head Blows Fuse
- Reverb wires and jacks vs. sockets ?
- Matched tubes?
- Filament wiring on Twin Reverbs
- Loud crackling sound then fuse blows...3rd time. Halp!
- '52 Bassman versus '46 Professional
- bassman vs bassman 50
- New Production Mullards
- Amp problem - intermittent crackle noise
- Fender Tonemaster: upgrading caps - ?
- Speaker Ohm question
- "Lay down" PT mounting ?
- Channel switching pop source?
- hi res schematic and layouts
- EL34s in a 5150?
- basic info on all power tube bias voltages
- Odd/conflicting values on DR AB763 circuit?
- Impedence mismatch: the lesser of two evils?
- Got a tube testing question.
- Will NOS tubes make any significant difference in a stock Marshall DSL 50?
- Need help converting SF Deluxe to Pro Reverb specs
- Twin Reverb- Reverb not working. Any tips?
- reducing power of Blackface Twin by removing tubes????
- Speaker replacement: Female Spade Connectors?
- 2x12 cab ohm question
- 4n7 conversion?
- Ampeg VT40 question or two
- Help with AB763 Deluxe Reverb Schematic Mods
- Which KT66?
- 2x6V6 (~20w) Plexi Schematic?
- Twin Reverb Reissue Vibrato problem
- question on using diff trannys with same tube
- Grid stoppers, clamping, blocking and crossover distortion.
- bias rite arrived gonna give it a crack... any advice before i jump in..?
- Egnater Rebel 20 Head - Loop Question
- What does 5e3 mean?
- Please help Identify 2 older 12AX7's
- Amp powering down on me- help!
- in the place of a choke
- Please Help! Water in Speaker
- Minimum baffle thickness for a EVM12L?
- pulling tubes from a blues deluxe
- Need info on pulling tube from 57 twin RI
- First Time Amp Building ideas?
- Output transformer tolerances?
- amp just lost sound - troubleshooting
- No grounded outlets in practice space- Electrician advice requested
- Oh crap: Hot Rod Deluxe static (not tubes)
- Is a hot power transformer a bad sign?
- Difference between Front & Rear-Loaded speakers?
- Tube layout for a Divided by 13 SJT 10/20???
- Marshall 5002 Lead 20 Gut Pic !! - Mod Advice -
- My amp quit last night, any ideas??
- 1956 Bassman - Question
- 7819 Power Tubes
- Fender Mods Gone Bad
- got a used Richter- Got a HUM
- Help: White noise from my fuchs!!!
- Rivera M100 footswitch question. FS-5?
- Source for 500K linear D-shaft pot?
- Modding a Bassman 10
- Deluxe Reverb tube socket question
- 18watt.com question
- Ampeg V4 running very hot
- Power tubes surging
- Super Champ reverb mod?
- Champ 600 trouble...
- Tremolux head - advise please...
- 12ax7 to swap with 12at7
- Ran 18w without rectifier for a few minutes...
- How do you cut the bright cap on a 72' Deluxe Reverb ?
- Baldwin 12ax7a blackplate:Sylvania's?
- Eminence Blue Frame mechanical buzz from magnet cover
- How to drain filter caps in a 72 Fender DR ?
- Stay or go: 1-ohm cathode resistors
- Tolerance of 450v filter cap
- Can anyone identify this 72 Deluxe Reverb mod?
- Anybody familiar with old Tesla (not JJ) E34L's?
- Tube Layout on Vox AC15H1TV
- Specific 6L6GC needed for Mesa amps (DC-5)?
- Deleuxe Reverb Transformers - MM, Heyboer etc
- ANyone familiar with the Belton Digi-Log reverb modules?
- Linked inputs... so nice. Is there a risk?
- is there a way to test Tubes without a tube tester?
- intermittent hum... what could cause this?
- Don't tell me I just shot my PT...
- Input jack replacement....
- amazing tube making video
- could use some help (spitfire build)
- EF86- 2 Channel or Channel Switching?
- Identify These 12ax7s
- Microphonic Bandmaster
- Supro Thunderbolt Ghost Notes, possible bad cap job
- shielding on fender amps?
- Bad 6v6 power tube in Super Champ XD. Suggestions/Comments?
- biasing a guytron gt 100 rev b
- Ampeg Gemini I (gut shots)
- Need advice on replacing tubes in 68 Bassman
- Need Help
- fender blues jr into 18 watt lite IIb help needed
- Pre amp tube broken leg
- can capacitor preferences?
- Lectrolab R700c bass amp schematic?
- Stupid speaker question....
- Is a g12H30 considered a greenback type speaker?
- Amp eats output valves for breakfast
- Plexi clone B+ question
- fixing the balance pot
- Did I Almost Electrocute Myself?
- How do different ohms effect an amp??
- Help me gain more knowledge..
- Red Plating E34L Tube- Any Ideas??
- Q regarding different primary loads on Fender OT's
- A definition of "AC" in amp/guitar signal
- intermitting problem with Fender amp
- Why Do Amp Makers Still Use Fiberboard?
- Silvertone 1434 "Medalist" help
- Replacement speaker advice needed
- difference in tubes
- 4 x 6L6 in a M/B MkIII?
- HELP!! JTM60 combo distorting
- Help with choosing 12ax7's
- Will disconnecting one speaker from a 2x12 4ohm cab change the ohms?
- Question about biasing an amp (shunt method)
- 12AX7,12AT7 and 12AU7 can I use all? in Dr.Z
- Pro Reverb Vibrato Help
- where to buy tube retainers?
- Need power tube break up at reasonable volume, would a speaker change help?
- buzzing amp question
- Fried valve
- Two Stroke Help!!
- How to add variable gain to a 2 stroke?
- Tube recommendations for Ceriatone DC-30
- bassman 10 project OT issue, HELP!
- no sound at all from a JCM800
- 72 vibrolux extension cabinet? ohms?
- Alnico Blues
- Fender Layouts X Y & B+ ?
- Question about draining voltage from caps?
- New hum with previously quiet amp.
- NOS or ANOS, What's the diffrence ? Help.
- Can a keyboard line out be run into guitar amp input?
- Will an OT still work if it's bad?
- Is anyone experimenting with..
- Vox AC30tbx Mod/ signal path resistors?
- ss amp(blown fuse)
- VOX AC15CC Blowing Fuses - Help!
- New Dr. Z amp: 40 Watter With One 30 watt Speaker?
- Two Rock!!!
- Problem with an old EL84 powered stereo hi/fi
- Princeton Reverb = Thin/Plucky?
- voltage/hum problem with '64 Deluxe non-reverb
- Anybody have a schematic for a PPIMV mod?
- Standby switch stopped working
- AA864/5F6-A hybrid
- gibson amp tech needed and speaker advice!
- 1/2 watt or 1 watt resistors for twin reverb?
- which rectifier for 5e8a
- if the silver stuff inthe tube turns white and flakes off, it's dead, right?
- can speakers just die?
- Troubleshooting Help - HR Deluxe Has No Power
- Can someone point me to a schematic for a voltage limiter using a light bulb?
- Inserting a tube the wrong way....
- Amp noise
- International PT Hook-Up Q
- White noise from my fuchs: Continued
- Sovtek Mig 100 question
- Bogner Shiva Problem
- Vibro Champ - kinda muddy
- If tubes are going bad, what will they show on my voltometer?