- Amp repair in Orlando ??
- Amtrans resistors note (review)
- Vox AC30 question (no power)
- 1/4" female to female adapter on speaker cable OK?
- Help with Power Supply -voltage doubler 1st cap value
- Need help fixing a PV Classic 30 reverb tank
- mystery resistor in bias supply
- Fender Super Champ XD mods bypass preamp SCXD
- Which speaker prong is positive?
- Signal Generator?
- are my ears tricking me?
- Jensen C12Q, for tweed style
- does this sound like a tube issue?
- Ken says wire has a polarity.
- need help from tube experts... is this a 5AR4 or a 5Y3?
- Marshall Bluesbreaker Questions
- Multiple speakers opposed to single?
- 6L6 to 6V6 ??
- Hayseed--lights are on, nobody's home
- Question regarding Sylvania STR-387 Tubes
- Lets play "what tube is this?" one more time... 5AR4???
- Plexi clone problem...
- Need help finding my amp's problem.
- Allen/Bradley resistors, what part of circuit?
- Output impedance in Fender Twin with Low Power Option
- New Build...
- Anyone ever see a cathode from a single ended power tube wired like this?
- Question: 5E3 Breakup & Rectifier Influence?
- Boy, I hope I didn't screw my amp up .....
- Cathode Current or Bias Rite Adapter Question
- Is a variac with 5E3 harmful?
- '72 Deluxe Reverb not sounding so deluxe...
- cornell dubilier caps?
- very complicated amp to speaker routing
- Help Old Lyric Amplifier Identification Information Pics
- BF Vibro Champ
- Amp problem, need help diagnosing
- Who, other than Mercury Magnetics, makes dependable trannys?
- Peavey SC 212 (digital fx/teal around controls) . only 1 channel & constant fuzz?
- Original RCA 7517 in 5Y3 slot?
- Solder fume extractor...
- Amp Parts Suppliers
- Finally clipped the bright cap on my BFDR!
- Vox AC30 tones... any equivalents today???
- Oscilloscope advice needed
- Push/Pull Mid/Gain Boost
- Adjustable Bias Mod on Mesa Amps
- tube changing videos?
- 1978 Princeton Reverb gut shots with question
- Some general questions: Class A, Xover Dist., etc.
- Will tone and volume controls pickup hum from HT?
- Class 5 killing tubes...
- NAD, but we have a problem!! HELP!!
- Traynor Basemate restore
- Guitar Cab with PA Drivers?
- Help with bias on BFSR
- NOS tube use hand wired amp vs. cheapie
- How to hot-rod your HT with another 30V
- Draining caps to bias an amp...
- Weber's Eyelet/Fiber Boards
- Price Check- Sylvania STR-387 6L6 Tubes
- Bias Jackson Ampworks Union Jack
- Single Input 5F6a Question
- looking for new tues
- Two Rock Onyx effects loop problem?
- What makes a tweed a tweed?
- LED pilot light.
- Sourcing vintage style cable and plugs to replace 2-pronged power
- Setting Cathode Bias ?
- Blackface amps - what gives reverb "tone"
- Preamp 12ax7 tubes don't light up
- EL84 Laying Horizontal - Safe?
- Reverb Locking lever
- 22u/500v ok for 20/525 in AB763?
- Metal 6V6- Safe in old fender amp?
- Weber Z matcher 50
- Vintage Fender Power Transformer ID HELP!
- Help with a 1967 Supro Taurus
- Determining load resistance on a circuit help
- Finding the "sweet spot" when biasing
- polarity switch, death cap, and grounded power cord
- Fender Bassman 100 CFA-7100 Problem
- Gerald Weber Quick Wattage Check Video
- Need schematic for Fender Stage 100 DSP
- Vox mini 3 rigged up with a micro controller...
- Can't afford NOS. What current prod. alternative tube?
- SoZo caps dimensions needed
- Pro Jr bias and other mods
- Black box?
- Changing tubes in a Peavey Classic 30?
- Fender Super 60 modifications
- Please for the love of God lets get a marshall mods thread going here!
- what would happen to my amp if...?
- Silvertone am radio
- Music Man HD130 volume issues
- Marshall presence circuit/pot; .1uf or .68?
- Obsoloete Electronics OT wire color codes???
- Plate voltage dropped?
- Amp light going out
- Questions about adding Lar/Mar to a Bassman
- 16ohm tube amp into 8ohm speaker ok?
- '68 Bassman already hacked
- dumbel overdrive clone
- Crazy loud high frequency from amp even at Zero
- Tube removal question......
- Over filtering?
- Blues deluxe issue.
- 1970 bandmaster with reverb low vol and crapy distort
- Drip Edge Super Reverb w/ gz34 a sure-fire AB763?
- Blues Jr Mod Recommendations
- Bogner XTC bias trimpot location
- Blues Jr Standby Switch install problem
- I need help on building an amp...
- Mid Cut Control
- marshall major model 1987
- Who wants to help with my hacked Brown Princeton?
- Is this power cable ok?
- Deluxe Reverb noise in normal channel
- Celestion 20w Greenbacks in JTM45 Combo
- Does my Vox Night Train need new tubes?
- Painting an amp chassis.
- I got the heater hum blues..........
- Can any one make Smicz Tad Adapter Clones?
- Masonette Plate Voltage
- Cathode heaters - Must they stay on?
- parallel speaker outputs question
- Best screen resistor for KT77'S.
- So I let the magic smoke out of my hum balance pot...
- What can cause an amp to break/fart on certain low notes
- Looking for a Amp tech in the Nashville Area
- Suggestions for build with this beast
- HELP: 1 of 4 Power Tubes Died
- Anyone switch from 6L6 to KT88 in UL Fender amp?
- 2C51 as a guitar preamp tube
- Do I need to replace this cap to sell my amplifier?
- Anyone know what make and vintage this fender board is?
- Strange Issue-Amp out of Tune?
- Odd Echoplex Schematic Element
- Power cap order in '72 Pro Reverb
- Fender Hot Rod Deluxe pooping out again...please help!
- cordovox cg amp / tone generator
- How to wire tiny terror tone pot?
- Video: Discharging a Tube Amp
- negative feedback loop
- Reverb on both channels of a twin (?)
- Whistling amp...help!
- help with mosfet b+ reducer
- Using a 16 ohm external speaker in an amp with only an 8 ohm output
- Any Good Current Production Rectifier Tube Recommendations?
- Divided by 13's 5879 preamps
- Are these speakers any good? They are blue afterall..
- could someone explain a mill m mod?
- Fender Bias Circuit Wiring
- Source for custom metal logo plates
- Could someone explain the Paul C (ampeg mod) for 5e3
- N/OS Tube pricing
- Swap JJ E34L for 6L6 in old Fender Blues Deluxe?
- Troubleshooting help- YCV40
- Parallel wiring question for 2x12
- Tube swapping in a Silvertone 1482
- Favorite non-filter caps
- SF Princeton Reverb Issue
- Ampeg amp with 6SL7 preamp tubes. Please help me!
- Replacing tubes in my Matchless DC30, which ones should be NOS?
- Newbie Standby Switch Questions
- Burning smell coming from my BFDR
- Reverb problem in a BF Fender
- Need Amp Tech-Dallas
- Duh! What color wire is +/- (Vox Pathfinder)
- Possible for tubes to cause unpleasant feedback?
- Bias mod issue
- Sozo delivery issues
- SHTF Soldering Rig : Compact, Portable, Gigworthy ?
- Prosonic build?
- Messa Express 5/50watt modification?
- 5f1 Champ too bright
- Odd tubes question
- Express is done.
- Death Cap on SS amps
- mismatched speaker cab question
- Eico capacitor & resistor substitution box
- Issues w/ Peavey C50 410:
- Low reverb output on 1964 6G15 reverb after hard fall
- Ampeg Reverberocket questions
- I put a 12AT7 in the PI spot of my amp and...
- amp cuts in n out while playing..What Gives?
- So what's this varistor doing here?
- 12ax7 question, timbre wolf rockon1 and other experts...
- HELP!..can't bias JMP high enough
- What values for a Resonance Control?
- Tweed Deluxe Tube Questions
- Connecting to binding posts on speakers?
- a simple ohm question? 2x8ohm cabs = ?load
- Bias king pro or alessandro for newbie
- novice question
- Budda Superdrive 80 help.
- My recent build is a little stiff...
- Help diagnose amp noise
- Speaker in Mercury VERY close to PI Tube -problem?
- Peavey Triumph not turning on
- Cheap chinese 12ax7 - bad tube drives?
- Fender Deville 2x12
- Strange Phenomena
- Twin master volume, boost switch
- Premier 50 problem
- DC current on tone pots.... effect?
- Low level amp hum
- Tubes for a T100 Yamaha/Soldano Head
- tiny terror build, a little terrible
- DIY speaker cone repair
- Deluxe Reverb speaker mismatch?
- Which tube does what?
- How should I wire this 2x12 cab setup?
- New Tube Company? (Northern Electric)
- combo to head project...
- Several Questions: heavily moddified Princeton
- So what's a left-hand taper pot?
- "Gene Leis", anyone??
- what is SAG???
- Can I use 6L6 in my DR?
- Impact of OT materials/construction on performance
- Need help with identifying what I am looking at. 2x12 cab wiring (with picture!)
- A couple of questions for you guys
- There's no connection here, is there?
- Tonal variations in output taps???? Can someone explain.
- Help ID'ing this Hammond Conversion amp
- Question re: VHT Special 6's speaker grill
- Musicman 65 tremolo problem..lost of volume
- Testing some rca 6l6 Blackplates.
- Disconnecting tremolo tube with a switch--good or bad idea?
- New 2203 build, no power at speakers??
- '74 SFDR reverb issues/poltergeist...
- Vibroverb vs. Super Reverb
- Weber 5F6A Noise
- Marshall Class 5 impedance missmatch ?
- JCM800 shut-down...
- Substitute for a 6973 tube: 6EM5?
- Custom Vibrolux Moyer mod ground reference Resistor question
- What are good brands for Old Stock or NOS EL84's?
- 68 Princeton Amp
- Telefunken 12ax7 score?
- 1987x reissue C5 bright cap question
- I need info on a Carvin MX842 Powered Mixer - "Protect" light keeps coming on
- CONCERT 2
- 1962 Brown Fender Reverb Question
- Tube experts, is this 6V6 a good guitar amp tube???
- My TV needs a cap job
- Power Tubes for Orange Rocker 30
- My wife is so cool
- 66 BF Deluxe Reverb warbley