- Microphonics vs Feedback
- Two-stroke amp question about ground between grid stopper and pin 2 of 12ax7
- need to buy a Matchless Spitfire chassis
- Amp volume drops after 10 mins...
- Modding the reverb decay on an AC30c2
- Fender FR-1000 Reverb Unit revamp Quest: Blend? etc
- Only using Normal channel---can I pull Vibrato channel tubes?
- Using my amps in UK
- Help with Super Beverb
- Lowering a speaker's efficiency with an added magnet?
- Getting a replacement speaker for 6505+ combo..
- Problems with Boss TU-3 Tuner.
- Recommend a 12" speaker for the 5E3/5F1 amp I'm building
- Can you mix speaker wattage in the same cabinet?
- can this amp be repaired?
- Side project - mini stereo 'hifi' tube amp, EF86/ECC99 (slightly off topic)
- Current Production Tube Testers - do they exist?
- Cure my hum!
- Convert Pro Junior to cathode biased - how?
- 5E3 Input static
- Where to buy Dario Miniwatt EF86 online?
- Grid Stoppers. Must Have?
- Blend Pot questions
- Homemade fiberboard
- NSD: Switched from a V30 to a EMI C.rex in my '64 deluxe... Need some opinions...
- weber 5f1 build question
- Weird Twin Reverb Issue
- Marshall 1987 inspired circuit - plate voltage 365 v.
- Fender HRDIII feedback noise.
- Amp "squicking" noise (Twin Reverb)
- Problem with amp hum
- High pitch squeal, custom tube amp build
- Is the Blackstar clean cha. soild state
- Plexi SE
- Mesa LoneStar Special Power Up Problem
- Problem with Reinhardt 18
- Microphonic tube socket?
- Traynor Bassmaster YBA-1 - Read this if you want to tweak yours.
- CAA PT100 help
- How to further brighten the gain channel in Haze 40?
- Limitations of amps with PPIMV and fx loop
- 8ohm ,16ohm ?
- Komet Constellation - Footswitch doesn't seem to work??
- amp tech in richmond va?
- Victoria Bassman Slope Resistor Value
- echoplex ep3
- Japanese manufactured tubes
- An Amp I Shipped Smoked
- replacing plate resistors
- Great Marshall Haze 40 mod
- '68 Deluxe Reverb...450v...?ma?
- Questions about impedence
- Help with Rt. 66 clone please
- Crate V32H bad tone
- Tubes, tell me about these
- Adding a fan to a Fender Concert 1x12--COMPLETED PROJECT W/ PHOTOS--Follow-up
- POP no audio.
- Anyone know if the B52 AT100 can handle EL34 heater current?
- 5V4GA Recitifer in a BF Fender Deluxe?
- H&K Tubemeister 36: Electric noise/sound - faulty?
- rectifier tubes...5Y4?
- Question on Extension Cab with Savage
- Source for 500K 1/2W pots, linear taper, knurled shaft
- Sound City 50 Plus weird hum
- No tremolo in a 70s Princeton
- Question about component drift in vintage Fender amps...
- Rockmaster preamp clean louder than crunch
- ac30 make a scratchy sound please help!!
- "Crown" Clear-Top 12AX7A ID Help
- Bad tube or what???
- What 's a good production EL84 these days?
- Tiny Tabs on Speakers-Parallel Wiring
- HiFi Speakers
- Did a transformer just blow on my PRRI?
- What amp is this?
- 1967 Vibrolux Reverb - Vibrato channel, low output, buzz, help!
- Replacement Verb Tanks
- Good books about building Tube Amps
- looking for 50H-B26 tube
- PPIMV Bassman
- Need your help please!!!
- What Bias do U run 6V6GT's in a Deluxe Reverb Amp?
- Which tube position tends to give the most tonal change during swapping?
- Meter Question
- Blues Deville Bias Q
- I was bored today so I made this (reverb)
- How did you learn to work on effects and amps?
- Tube date codes...
- Boogie Studio Pre sounds thin on one side
- 70's Princeton (both power tubes won't work together)
- Impedance mismatch on effects loop?
- Quick 5E3 PI question
- BF Princeton Reverb Troubleshooting question . . .
- 7408...6V6 Sub?
- Ringing sound from a Vox AC15HW1
- Replacing Power transformer- help needed!
- Help w/Heathkit TC-2 Tube Checker
- Pedals in effects loop?
- Amp has developed noise
- Can I make a wet/dry rig with these two amps?
- Question regarding filament supply
- Who already installed the Power Scaling of LondonPower.com?
- Can't get my Marshall to bias properly
- Crate VC50 bias mod...
- Blackface Tolex...Exact replacement Stuff?
- Upsizing OT from 15W to 20W... what to expect?
- How would this sound?
- AMP Builders -DIY Marshall 50W -need people interested
- Empty 2x12 - How are these jacks wired?
- new Marshall DSL 40 and 100 cap "mod"
- Removing Soldano XL mod...
- Weber AlNiCo Signiture 12s any good? Building a 2X12 cab
- Just had to share a little with those who will appreciate this.
- 4 & 8 ohm taps one to each jack?
- info & Schematics needed for mckay amp
- PA Purchase Help
- New Marshall 1-watters: What if you need to recap?
- Replacement tube for Fender Twin Reverb Amp
- Amp Business Research/Help!
- Drri hums when turned on then goes away, help?? Please
- New 1986 Plexi Build
- High power mode not working on VHT special six ultra
- Vibrolux speaker out questions
- Emi blue frame alnico bassman ri 90's
- 5F1 Only getting 3 volts on heater circuit
- Early 4-Hole Marshall plug question
- 6v6 in place of 6L6
- 300mA to power a T-Rex Roomate drawing 330mA
- Argh! Ground loop!
- Cascode vs Parallel Triodes
- help w/fx loop for ss amp
- How to tell if tube is microphonic
- Reverb return
- Glowing blue tube
- Who's built an 18 watter? Any suggestions?
- VC and Champ tubes
- Can anything be done about high-gain amp noise?
- Power tube issue(s)?
- Loud buzz on only one channel but hasn't happened since
- Electrolytics - favorite brand?
- Crate VC50H Re-Tube
- Dr Z z-28 clone
- Speaker ID Help!
- On/Off Switch Question?.
- Any Amp builders around North East MA or NH?
- A few quick questions
- SBE Orange Drop "News"
- Hand-wired Pro Jr.
- combo from 10" to 12" questions
- Cathode current method approximate?
- Twin Reverb External Speaker Question....
- 12ax7 ?
- Where to buy amp tech tools online?
- Fender Blues Deluxe problem! Help!!
- Changing preamp tubes? Goodsell content
- Add a Master volume to a blackface ?
- Need a 10-inch speaker with a little less bass...
- Tube plate ?
- Setting bias on amp w/bias vary tremolo
- Bogner Ecstacy 101B problem
- OT tap impedance question
- Volume pot reduces too quickly.
- Western Electric 300B......?????????
- Power Tube Grid Stoppers
- ep3 question
- Groove Tube Power Tube Ratings
- Short plate-vs-long plate-vs-ribbed plate pre-amp tubes
- Line6 DuoVerb with an effects loop shot
- Bias Adjust Mod for Silverface (Twin Reverb) Fender
- Old CTS pots with plastic shafts
- 5AR4 from where
- What is this electrical component? (Old selmer amp pic)
- Blackface Vibrolux Reverb Troubleshooting - Help
- Attenuator with amplifier half power switch
- Soldering speaker wire?
- Good Tube Tester ?
- Egnater Rebel 20 bad hum
- Cold Power Tube....Tube socket repair?
- JMP 2204 power tube and biasing questions
- AC15HW1 Top Boost cutting out
- Connecting a head to a combo's speaker. This would work, right?
- Where to find Heyco strain reliefs?
- Speaker Upgrade...Celestion?
- Marshall Chassis differences: BB vs Trem
- Harmony H-306A
- SuperSonic 22 mechanical buzzing and weird noise when knocked
- New amp -- one tube not glowing
- Rivera Chubster Ninja Boost
- '47 Masco MA25P PA - Guitar amp conversion
- 9 volt check for wiring a speaker
- 70's Polytone SS Amp Refurb: 3-prong and caps
- Sizing an iso cab
- filament hum in Marshall 100watter
- Hum and Early Break up On JTM50
- Help me troubleshoot: Dr. Z Carman Ghia
- Poping noise when switching channel to the third channel
- When a blown speaker isn't blown.....
- Resistor, Capacitor for redplating Champ?
- Mullard 12AT/ECC81 , unknown etched code!
- Who can build me a custom attenuator/EQ?
- Vibro-Champ trem in a Bandmaster?
- Attenuator for low wattage tube amps
- Who sells a servo voltage regulator in the UK?
- Classictone OT transformer - need these two wires ID-ed
- 1953 Fender Wide Panel Super Speaker replacement and Impedance question
- Haltron 6v6 ??
- Vintage Ampeg amp techs in the Miami, FL area?
- Add ext spkr and maintain 8-ohm load
- Silvertone 1483 Speaker Cab Questions
- Speaker Jack Wiring
- Fender HRD Chassis Screw Source?
- 1950's Gibson Buffalo Tolex
- Crate V3112 Problem
- v1 / v2 bypass caps values
- Tube dealers - are they all pulling from the same supply?
- Celestion - 55hz and 75hz??
- 1979 Twin Reverb Question
- Transistor I.D. Fender SS bass amp
- Amp powers up, no sound...
- Changing preamp tubes
- Blowing a fuse with the standby?
- Volume Surge/Spike
- Cathode Bias resistors failing unexpectedly
- THD Hot Plate
- Anyone purchased a CompuBias lately??
- 1062-63 Brown Fender 6G15 Reverb Unit
- Question about 65 VibroChamp rectifier
- Volume drops then returns to normal, any ideas please?
- SF Bassman Pop Sounds
- Blackface Fender Deluxe Reverb AB763 filter caps
- Bugera 333xl problem
- JTM45: Resistor brand and where to buy?
- Building a cab out of a combo amp
- Fender '59 Bassman RI schematic question
- Marshall Circuit xformer and cap differences
- Diodes (and 3kv cap) between Rectifier and Power Transformer?
- Question about a mod I had done - reversing it
- Should I use a relay?
- SF Princeton Reverb: What's this mod?
- Tubes positions
- New Hakko FX-888 Soldering Iron... which temp for PCB (PV CLassic 30) work?
- Max volume squishing
- New Silvertone style tolex
- Vintage 30's on fender twin ri pro help please
- Any with experience breaking-in Eminence Wizards?
- Tolex Glue??
- Ampeg BA115T Crackling Speaker Problem
- Need some ideas on how to install new filter caps in a 5F6-A.
- Emi 1028p vs. Weber 10F150T
- Lead 80 vs C90