- Bias capacitor change
- Bias 6L6WGB?
- Padding in Closed Back guitar cabs?
- Making Sense Of Bias Numbers
- Long-term speaker storage
- marshall plexi opt replacement?mercury magnetics or obsolete electronics?
- 65 deluxe power tranny troubles
- Further Mid Scoop on a Fender Tone Stack?
- Chassis voltage question
- JCM 800 blowing fuses again.
- Biasing KT66s
- UK Trannies
- What must "match" on output tubes?
- 2x Mercury Magnetics 50W Plexi OT's FOR SALE
- Need BF Pro Reverb help...
- 1/4" Female to Female Speaker Adaptor
- V30 vs. CL80 voice coil size
- Power Difference, 5881/6L6/EL34???
- Date my Fender!!!
- ARRRGHH!!! I'm pullin' my freakin' hair out here!!
- Sell or mod my 64 bassman AA-165?
- Bright Switch too Bright on Top Hat!!!
- Need pix of original 20W Marshall PTP boards
- guitar signal data
- amp schematic site
- Shuguang Tube Factory pix
- Tube primer
- Ecc88
- Filter Caps
- Cathode bias mod for a Vibroking?
- Dumb new tube question: do they "break in?"
- Is 100uf too much for GZ34?
- problem in solod state amp. Any ideas?
- Tell me I really got GE EL84
- Not getting a mA reading in one of the pwr tube sockets
- New Groove Re-Issues?
- 12BZ7 info?
- Re-wiring a Marshall cab???
- Running 4 cabs???
- yet another ohm question
- 5Y3GT to GZ34
- Books to read re: amp building
- Marshall Ohm's selector
- 6sq7 ?
- Tools for building cab
- Another amp-speaker(s) ohmage question
- Tube matching & drift
- Preamp tubes..............?
- Super Reverb rectifier question...
- Help me understand Tube Z-Out
- Voltage too high
- GT Hardness rating and biasing
- Cathode Biased vs. Real Class A
- Biasing a '67 Marshall with no bias pot! Er... how?
- Boutique Marshall opinions, please
- Need Tube Experts (Re: RCA 12AX7's)
- biasing question
- upgrading a DSL 401?
- THD Yellow Jacket
- Master Lead 50 Watt Power Switch
- John Phillips
- Re-tension a tube socket ???
- Help putting in preamp tubes!
- JJ Caps - Comments Please
- Odd bias behavior - Mazda 6V6's
- Peavey Classic 50
- EI 12AX7 tubes----are the new ones any good?
- 5871 lowery organ tubes
- Turret board suppliers
- Can you swap 7591's for 6L6's
- tube output
- kt66 or el34s
- Where to purchase GT6ca7's?
- Trouble with my 5E3 clone
- Weird amp problem or not?
- Bad Cat question
- RCA Blackplate 6L6/TAD tubes question
- anyone try rel caps in a plexi?
- Filter Cap Question??
- DC area Tube Amp Seminar?
- Where to find chicken head knobs?
- tone of orange drops?
- Recap and BF my SF Super Reverb
- Does the rectifier tube really affect tone?
- Re: SF Super to BF...Anyone know about this Torres kit?
- Hiss question on a tube amp
- Anyone familiar with the Lee Jackson mod for Fender Concert?
- turret board pic
- wanted:schematic for trace eliott bonneville 30
- Can someone tell me the tube layout in a Fender super?
- Problem with tone controls. Please advice.
- Classic 30 blows phase inverter tube
- How to make a shorted RCA plug?
- Amp techs in SE WI?
- Amps by Jim Kelley
- Bias Mod for Mesa Mark III
- Hiwatt 60-cycle hum
- Princeton reverb pt question
- restoring my jcm 800
- Help! Blown transformer on blackface champ
- Series Parallel or Parallel Series Cab which is it?
- Help Ohm setting for this combo?
- How to remove amp chassis from Mesa MKIV combo?
- My new amp chassis design!
- Does this sound like a shorted preamp tube?
- What would I have to do to get more headroom out of a 65 RI Deluxe Reverb?
- "Class A" tubes for Boogie MK IV?
- What’s the easiest way to fix a scratchy pot?
- HELP I'm a bias virgin!!
- Traynor Guitarmate Reverb mods (late 60's amp) - looking to make it better
- Impedance mismatch
- El34 winged C's running at 45 ma. Issue?
- Amp hum with no guitar
- Any Issues Running An Amp On Its Side?
- digi key distributer
- Interesting way to evaluate your amp
- Choosing/using a variac for speaker break-in
- 16 ohm speaker question.........
- Amp has no mid control and other questions....
- Hughes&Kettner Crunchmaster mod?
- Amp kits? Whats all out there and whats the best?
- anyone ever bought tubes here?
- Other brands of Capacitors?
- FX Loop/Amp Reverb Order Question/Problem
- JJ 6V6 in a Bonneville C50?
- Standyby switch thump
- Best Place to buy Caps & Resistors
- Blowing fuses
- laney VC30 Footswitch - Can I build it?
- Mullard 7189a OK for marshall DSL201?
- Proper bias for 7581A ???
- transformers, HELP!!
- Fargen Bordeaux bias question
- rivera quianna boost mod walk-thru??
- Marshall Plexi Squeal - Experts: Please help
- Is my mullard dead if there is no Flash?
- running a european voltage Marshall in US
- Mr Roccaforte, James Peters, a little help
- Can you tell what tubes these are? (Mullard)
- Help with squeal..........
- Problems with Hot Rod Devilles/Deluxes?
- Tube Tester Suggestions?
- safe to plug my amp in a combo's speaker?
- old danelectro-custom kraft info
- Dr. Z tube layout.........
- Tube amp Question
- ohm ?
- matchless clubman 35 help!!
- Which ohm setting?
- What tube is this?
- JCM800 layout?
- Anyone know where I can find malory capacitors, alan brandley resistors?
- Boogie Mk IV Problem
- Rivera Fender Concert mods
- Can you mix pre-amp valves?
- A question concerning speakers...
- Bandmaster reverb
- Cleaning Tube Sockets
- Help with my Divided by 13 SJT 10/20
- VHoholic's clips with one tube in the amp?
- Power supply caps (brand).. Favorite...Does it really matter?
- To all Soldano SLO-100 users
- Rectifier Tube Question
- Carr Slant 6V
- Jacks...stupid question...
- effects componants???
- does the choke affect the sound of an amp?
- If I wanted to build myself a JTM-45 clone, where would I find the parts?
- Can a huge jump in amp volume blow your speakers?
- cab impedance mismatch and tube life !?
- Soldano SLO capacitors
- Amp techs in Connecticut?
- convert a bass mate to a 4x el-84 amp
- hum in replacement reverb tank ...
- Long Plate 12AX7, questions...
- Austin Tx amp tech
- power tube/bias/mismatched tube question
- Princeton II schematics
- How do you read chicklet capacitors?
- Speaker and tubes for a Kalamazoo Model II?
- Can anyone recommend a good soldering iron?
- Feedback In/Out switch
- Line Out to Tuner?
- ohm queston?
- JUmp out master volume on a Twin Rev.
- Help? Running Two Amps
- Hifi power amp ohms...
- Soldering Advice Please...
- Headroom
- Anyone know how to reach Mike Holland?
- Problem with my Komet?? Help!
- long technical question for techs!! want to use small amp to drive big amp
- Complete Rebuild of a Deluxe Reverb Amp
- Very odd tube problem (el34 / Mullard content) ...
- Furman Power Factor Pro
- Another soldering question
- SF Vibrolux question...
- Gain Differences in Halves of Dual Triode
- reactive vs resistive attenuation ?
- Amp switch ratings
- 5E3 or 18 Watt?
- Always Drain Your Filter Caps
- 7189 tubes in aLead & Bass 20?
- Has anyone worked on a Guytron?
- Sick amp
- Output power
- Need help with 6550's
- Can you swap a 12au7 for a 12ax7?
- Q's about how to wire the 2 input jacks on back of cab
- fender twin 50 watt mod?
- Impedance matching after swapping tubes
- Question on Carmen Ghia Pre Amp Tubes
- Wiring switch for high pass filter
- Soldering Iron Tip Size Question...
- muffled cranked sound...at full volume only...
- Tubes glowing question?
- Marshall question. Resistors on the control grid
- Anyone biased a Rivera?
- Mesa Studio and Bias
- Amp Tech Help in Southern Wisconsin
- Main tubes or preamp tubes?
- what choke was in the 67 plexi?
- about power cords (not chords)?
- Speaker power and Magnets
- Plate voltage on a Fender Hot Rod Deluxe?
- Glue for Filter Caps?
- OMG!_Look what someone gave me last night!!!
- any household cleaner good for cleaning pins?
- 7591 7868 are these tubes similar ??
- Switching 40W to 20W w/EL84 amp
- Does it matter which springs you remove
- Changing caps on Fender Bright switch?
- Removing Negative Feedback Loop in Super Reverb?
- Marshall 2061X Problem XPOST
- Busted Speaker
- Tech info on FX =bad= in the Loop?
- Confused on a speaker load config
- Savage MAcht12: Amp humming while warming up.
- rca 6l6g
- Unusual problem with my VHT
- Set the Bias in MA, what about voltage?
- EI EL 84s
- Rewiring a Rivera 4X12 cab
- Adding a master volume
- Generalizations about plate size
- Two heads into one cab: Huge noise
- Where to buy switch?
- Help! Blackfacing a Bassman/Bias Conversion Question...
- Pro Jr amp hum problem
- Flub vs. Tight