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- Amp Tech near Chicago? For SF Fenders
- Removing Tubes in a Twin Reverb
- 50's Gibson GA6 60 watts?
- Help with JTM-45 impedance questions...
- UPS strikes again, can I fix this?
- where to find exact Accutronics reverb tank?
- Mercury Magnetics OT in 59 RI?
- Gibson Ga20t Grid Leak Bias-change It?
- What is done when an amp is "BALCKFACED"?
- Amp buzzing...
- Half-wave Diode Recitifer
- time for a recap?
- I just got a DRRI - what mods can/should be done
- /13 cabinet hookup question
- Bias Test points on a stock DRRI?
- fender concert II ?
- Speaker cable question
- Help me set the bias on my Fuchs...
- Opinions on replacing Choke
- Vibrolux Reverb Filter Caps
- Fuse blown, replaced rect tube as advised and
- buzzing problem
- what's happening to my amps?
- 62 Bassman Replacement OT
- Signal cap Polarity in Blkface Fenders?
- Orange Drops in old Marshalls
- Ei 12AX7 variant
- Tube ID - 12AX7s
- Help! Stokes mod in process!
- what's the high and low DC ampres (bias adjustment) for EH 6V6 tubes
- RCA Black Plate 6BQ5/EL84 What can you tell me?
- SF Princeton Reverb questions?
- tubes recomantation for rivera quiana
- Strange ringing from amp...help!
- Amp settings, low vol vs high vol...
- Request: Clear layout for the AA846...
- Cathode Resistor Values
- 5963?
- Cathode resistor...
- Swapping 6550s for 6L6s?
- 6L6 vs KT66 vs 5881 in same amp....general differences?
- Biasing ??? Help.
- quick question on bias readings
- Marshall 4140 Footswitch
- What's a good Rectifier for a Princeton Reverb?
- Bypass Cap switch
- Adding reverb to the Normal channel on a DRRI?
- Radio Spares De-Luxe Output Transformer (JTM45, Vox) on Ebay right now
- Sparks in el-34 under load?
- Matched pairs/quads
- Bought an old PA tube amp that...
- Monster Speaker Cable???
- Can I change the filter caps in my JTM45RI myself?
- Question about 100 watt Marshall... heat!
- Princeton Reverb re-tube and bias
- pilot lamp question
- London Power power scaling kits
- Amp Squealing. Why?
- Question on Biasing
- Van Halen 1 Old Sound Which New Production El34
- Matching up the Princeton PI
- Carbon comp resistors
- Scrapping a Hammond-Questions
- EL84's
- Converting AC Filamenta to DC Filaments
- Changing OT transformer from US to UK - safe?
- Re-wiring input jack
- Hadaway mod for Peavey?
- How much will a speaker swap affect tone?
- How do I take the grills off a DRRI and a Budda combo
- I need a picture of the location of the Treble Cap solder points on a DRRI Please?
- Speaker impedence question?
- Amp tipped over in truck: no reverb!
- Amp Running Hot
- Reverse Engineering... questions about amp design
- Why do Marshalls have bigger caps?
- Biasing
- el34 to kt66
- Building a Lightweight Tube Amp
- 5e5a intermittent sound
- Might have a rectifier tube problem?
- Leslie 215
- weber amp kits
- Does anyone besides Allen do a Bassman conversion like this?
- Ohms, Speaker Cabinet Question
- Adding a "Bright" cap
- Preamp Tube Function(s) - Does This Sound Right?
- Measuring Output power using a scope
- Installing casters
- AB763 - Effects Loop?
- 8 diode rectifier
- Blackfacing A Silver Fender
- Attenuator and two cabs?
- Laney AOR resistor question
- When my TC. Vintage delay is in my effects-loop.....
- Bias an amp using Weber Bias Rite or BiasProbe??
- My Failed Attempt at Shellac'ing
- Removing a speaker bell?
- Victoria speaker recommendations
- HELP...weird noise with my mesa dual rectifier....
- Small fan for amp
- Failed Shellac'ing Part II
- Amp Hum - Are musicians being screwed?
- Marshall 'Pig'
- I found what appear to be RCA 6CA7s...
- Attenuator question ( need help)
- Speaker ohm question
- JTM 45 Build Caps
- 70's bassman head problem
- Another voltage regulator question...
- Different Xformers-Different Tone?
- can a amp going bad fry EMGs or vice versa?
- Weakness for my Princeton
- Cap job on a vintage 64 Princeton Reverb
- I left my Dual Recto on for 5 days!
- Decibel Question
- Can amps affect preamp tube microphonics ?
- carbon comp vs. metal oxide???????
- Amp Screeches on High Notes! Help!
- Question on rewiring speakers in an AC30 CC2
- Sub a 12AT7 in the PI?
- Is this speaker wiring correct?
- '62 Ampeg Reverberocket - Fixed or Cathode biased?
- Rectifier tube issues
- Help me revive an old Traynor YGM3!
- Does anyone know a top Australian amp tech to work on my komet?
- Ampe SB-12 breaking up in a bad way
- Crate VC3112 - Pulling Tubes or Half Power?
- Head-cab wattage help:)
- Dead amp
- Hairline crack in a preamp tube
- Tubes For A Lucky 7
- Fender Capricorn / Two questions
- How to tell if your amp is Class A???
- GT12ax7M
- Useful mods for 71 SF Deluxe Reverb?
- Would like to know about TSL 100 bias !!!
- I....Must...Build...a....JTM45...
- master volume twin
- Here is what I did with 3 speakers, do I have 16 ohms??
- Marshall 1987x to 2100 lead/bass conversion?
- fx Loop on Marshall JCM800 not working?
- JTM45 problems, suggestions?
- Help me bias my '79 JMP 50 MV
- 2 sets of tilt back legs
- Super Reverb/ JTM 45
- Anyone who knows how amps work please come in and solve this problem!!
- Alamo reverb unit schematics
- Another vintage Fender amp impedence question.
- juice up a silvertone 1484?
- hello! i'm new and need help!! PLEASE!!
- Blown output tranny?
- A couple Bandmaster head questions for the experts!
- SFVR Normal Channel Tone Stack Bypass question.
- preamp tubes combination in my Marshall...
- Ei 12ax7 reliability, any good or worth the risk?
- 5E3 tweed Deluxe/12AX7 question
- Tube life question
- help troubleshooting a tube amp.....
- OHM's
- Traynor YSR-1 Headroom?
- Suggestions - Headphones for late night playing...
- Matching Power Tubes Question
- Impedance checking question
- Please Enlighten Me On The 5751...
- 7591A: EH vs JJ vs NOS?
- Amp Repair
- Amp - unwanted brittle noise
- Question for the amp pro's (need help w/ question)
- Amp repair near Wilkes Barre/Scranton, PA
- Marshall Lead MV MkII 50W PT
- Ei etch code interpretation?
- Grill cloth questions...
- Need Cap Cover for Piggyback Bassman
- Gemini II died?
- What's the tonal difference between a 12AX7 & 12AY7?
- About ready to bias - Troubleshooting?
- What am I doing to my sound by using 5881s?
- SFPR to BFDR specs
- Ceriatone 5E3
- Gemini GV-22 - loud pop, now the thing sounds very quiet when playing
- Whats the formula for setting Bias?
- Adding headphone jack
- Solder/Desolder Station?
- Rectifier tube in '71 Princeton?
- How hot do you like your tubes?
- Head shell - metal shielding...
- AC30 help
- Fender Amp Treble Pots
- Source for 6C10 tubes at a sensible price
- Weber Trannies
- Changing Speakers
- 1974x power tranny replaced not good
- myles111 - tube question...
- Taking apart a Marhsall 4140 combo
- Marshall JTM 60 problems
- Deteriorating Speakers
- Preamp Tubes - to crackle or not crackle
- Which has more effect on changing the sound of an amp...tubes or speakers?
- do you guys know anything about tube echoplexes?
- GE long plate 12AX7 differences.
- 65 Deluxe Reverb Mod - Time / Cost
- "what tube is this" volume 9765432
- Replacing solid state rectifier with Weber Copper Cap
- which fender tweed to build??
- Jjecc83s Vs Jjecc803s
- Did I break my fluke?
- Amp Noise
- Speaker Ohm Ratings?
- First big mistake!
- THD Flexi 50 - Multi-meter question
- Converting a Superlead to Superbass specs
- Fender Bandmaster Date Code
- Traynor YBA-1 channel jumpering question
- Princeton Reverb 2
- Power Scaling...Best Candidate
- 12DW7 Preamp Tube - Where Would You Use It?
- 12 Ga. Romex in speaker cab. Don't do it!
- Variac vs. Dimmer
- Best way to keep amps that get little use?
- Fender The Twin
- Super Reverb Vibrato doesn't work
- Zappage!
- What preamp tubes for my DRRI
- Bias mA values for 6550s in marshalls?
- DrZ Maz Crackling
- Talk To Me About Shuguang Tubes
- maintaining an old echoplex motor
- Turning a combo into a head and cab...
- Did I get the right multimeter to bias my Allen Old Flame?
- My Weller iron gets too hot!
- musicmaster bass amp mod from torres... opninions?
- Warped speaker frame question
- Tubes in the RI Marshall Bluesbreaker
- GT 6CA7-sound better than they look
- Removing tubes?
- 6SN7GBT Question
- Victorilux tremolo
- AMP TECHS... (question)
- Tube reviews or rankings ??
- Airbrake tips
- Ge 6l6gc ?
- Both my amps crapped out this week - suggestions appreciated
- Lead free solder for RoHS
- Tube Springs? Those little springs to help hold em' in...
- 1959 Siemens VS 1958 Mullard...
- suping up an hold supro - hints?
- Help with a Crate VC30 project.
- Turning A Gain Control Into A Volume?
- Fender Amp - Neutral EQ Setting?
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