- Freaky Reverb Hum / Deluxe AA763
- Trying layout changes in 5f1 home build
- annoying noises
- hummm issues
- Static noise caused by cabinet Vibrations
- Major voltage drop in power amp section
- Help! Newbuild Bassman with Asymmetrical clipping
- 5F1 (sort of) build troubleshooting issues
- Newbie here
- crazy buzzing distortion
- High B+ Voltage in Build - Can't Find Issue
- DC voltage on input mystery
- Unintended Low Freq Oscillation
- LED PIN confusion
- need help with 6DJ8 cascode build
- did i kill my pt?
- Hum in Ac30-style amp
- 5F1 New build
- Ac30 clone - tremolo effect when goes off
- Bogen chb-35a conversion. Strange feedback issue
- 5f2 build problem
- Loud pop on switches
- Odd buzzing in 5f2-a
- first build trouble... help please?
- 5c3 Proluxe help
- New 5e3 is Really Quiet
- LTP tail voltages in 5F6A build
- Voltage Chart for the Tweed 5f2-a
- Another Bassman Build With Issues (AA864)
- Marshall 20W Clone Build Redplating?
- 5f1 build, s
- New Bassman+ build with issues
- 5F2-A bad harmonic and distortion
- Cathode Capacitor Smoking
- 5f2a bias voltage too high?
- Lopsided Push-Pull 7591S Pair, 6U8A Splitter
- power amp failure, testing methods
- Homebrew 5e3 voltage leak?
- Strange biasing troubles
- 6G15 hum dagnabit
- 5E3 with EL34s
- help figuring out bias supply
- Tore-Vibe Hissing Tone Pot
- The principles of design audio amplifier
- BF PR Clone Tremelo footswitch motorboating
- Thumping Tremolo
- Ef86 preamp stage plate voltage too low
- Diodes in Bassman rectifier
- getting shocked
- bf pr boomy tone
- "Vibroclone" tremolo and reverb questions
- Super Reverb Build Problems
- Hum in Super reverb
- New Build Start-Up Problem AB763
- Can too much B+ filtering kill a rectifier?
- HUUUUUMMY new build
- Building a Bandmaster head having tone control problems.
- Stand Alone Reverb - ground loop busted
- First Tube Amp Help
- Fender Champ Build Help
- new build troubleshoot
- Tore Vibe...No Reverb
- Relay Switch-Not switching
- Bad Choke?
- Smoking OT
- Weber 6A40 issues...
- pr rav ringing reverb
- 6G15 build ground loop hum question
- BF Princeton build with cathode cap switch
- new bf pr trem problem
- champ build problem
- AC4 biasing the ef86
- PR build pot wiring issue
- major speaker (or OT) problems.
- Weber 6A14 build not putting out
- clicking in 18 watt
- twin reverb microphonic wiring
- Newbie first amp distortion troubles
- champ clone squeal
- Need help on Bassman AB165
- Need Help with a 6G16 63 RI Vibroverb problem
- help with my bassman!
- Amp Tone
- New Build Bass Control Issue
- Valve junior Humming a tune
- Does a bleed resistor effect tone/sag?
- 5F1 Champ ---- some problems
- Rebuilding a 70's TRIO to a JCM800 clone..
- 5F1 Champ DIY: No sound (Tube/Transformer)
- 5E8-A tweed twin. Volume cuts out at 8
- Phase inverter issue
- Tone control squeal and motorboating
- How would you fix this popping power switch?
- Bassman Clone Volume Issue
- Problem with Two Stroke Build
- 5B6 build issues
- 5F6a build blows fuses at higher volumes
- B+ Voltage Indicator
- Shocked!!
- New 5E3 build...Tone Control Issue
- 5F11 sounds great, trem works - but very low output.
- Quick Question Regarding Removing PY bell cover
- mojo760 power transformer
- Issues with a Rebuilt Champ
- Voltage problem in new build
- Gainy multi-pentode amp acting bad
- trouble with EF806 channel...new build
- 18 mini plexi pwr supply ripple/hum
- 5f1 Voltage Chart
- 5G9 Build - scratchy trem after changing V1
- Farting distortion!
- parasitic oscillation ... now what?
- Stuck at power section
- Understanding scope traces
- 5f6a loud pop switching on
- Two Stroke Boost Switch Question
- another hum problem..please help
- New 5G9 build blew a fuse
- couple DYI 5f1 clone questions
- Satriani-style amp...
- Overdrive vs plate voltage
- Muddy sound... preamp caps?
- "New" bias problem!
- amp pop sound heard when turning tremolo off
- Help Troubleshooting Reverb Buzz
- 5C5 build hum and fried dropping resistor
- Test tone gets through with volume at zero
- Confusing problem here...
- ~450V AC across screen filter caps
- problems with my amp...
- Hombrew 5E3 Hum Problem
- Treble and Bass pots not right. New build
- Squealing 5F2-A
- Low tremolo output
- Dumping excess Gain
- Powering up my amp
- I've got heater current, sort of, but the tubes won't light
- I need help with new 5f11 build--little volume
- Problem with presence and resonance
- what probelm about this hard wiring amps
- trouble getting high DC after rectification
- 5F2-a problem
- AB763 PT Question
- "Ringing" oscillation in Hot Rod Tweed
- Debugging 120Hz hum - power supply design flaw?
- Dynamic Speaker to Permanent Speaker
- Heavy Oscillation problem...I think!
- 5F1 build problem
- Bias problem!
- crap components
- Homebrew 5F6-A, lots of gain
- new champ build aa764
- Home brew troubles
- Spitfire noice problem
- Chopstick Diagnostics.......
- princeton reverb high frequency squeal
- Tweed Princeton 5F2-A build. debug
- 5F2-A odd rectified voltage Q
- Review of Problem
- Preamp coupling problems?
- Crackling problem in 5E8A
- 'BF Princeton' weird voltage- help!
- Champ kit: arcing problem
- SVT transformer dims request
- really wierd voltages...need help
- Home- made showman
- Out board power amp
- Tremelo problem
- input jacks
- tone stack caps (what type should I use?)
- Screen Supply Voltage.
- Excessive Hum
- Sound Gets "Spitty" With Master on 10
- Peavey Classic 30 Bassman Mod RF noise
- Power Tranny Grounding Question...Orange wire
- Pots are operating in reverse (backwards)
- high power supply voltage
- no volume on weber 5e3
- Vox AC30 wild buzzing
- Twin Reverb build cuts out when Volume all the way up
- help debubbing valve junior rebuild
- El84 blue glow inside tube !
- Loss of signal after turning up the volume
- Need Help in Phoenix?
- AF Osillations (~3kHZ)
- weber java issues...please help
- Too high B+ in 5F6A Weber Kit with M-M Iron
- 5F6A troubleshooting intermittent oscillation
- Bias-Vary Trem won't wiggle....
- Bad hum - multi-section caps?
- trash picked tube record player question
- 5E3 Noise
- Egnater amp build seminar Feb'07
- First build being strange
- Sopht Amp (Low Voltage Amp) with a HUM!
- New 5F6-A Build Problem #1
- 5f2-a build High pitch squeal
- Arcing in Rectifier then blown fuse?
- Champ woes - very low output
- Hum caused by OT?
- First Build disaster stories?
- Parasitic Oscillation in an otherwise fine amplifier...
- What's the most common cause of parasitic oscillation?
- Smokin' Joe II oscillation
- Hum/buzz
- 5E7 Volume doesn't shut all the way off!
- 18W volume problem
- Strange presence
- Latest home build :(
- 5F2A To Fixed Bias
- 5F2A With Neg Feedback Mod - Noisy!!
- Short in power section
- Cracklin' Tweed
- 5e3x2 Hum - - - get this one!
- 5e3 low freq. hum
- 5e3 hum problem