- Amp Footswitch conversion - components questions
- Cleaning a speaker?
- JCM 800 4104 (2204) Mod Question
- Just got a bias meter - uh oh
- mallory or cornell dublier caps?
- Amp won't turn on
- Power Scaling or My Vibrolux
- Right tube for reverb driver
- JCM800 tone stack question
- Hopeful quick trouble shoot: Princeton Reverb- tube & no sound
- EL-34's vs. 6L6's
- TRRI output transformer change
- fixed bias with 6L6s
- Vibroverb buzzing at high volume--help!
- In praise of SRS Dual Bias Tool
- Microphonics & those metal tube holder/cover thingies...
- raw control? (I'll ask it)
- ohm
- add an EF86 to your tube amp
- Tube discussion
- Can an OT be "sorta" bad?
- this is what I've been told about turning a valve radio into an amp...
- Help!!! SOS!! Deville is broken!
- Orange Tiny Terror clone problems...help!
- Is it OK to turn your amp on with preamp tubes removed?
- Need EL84 tube recommendations for my Night Train
- Victoria 50212 Lo Powered Twin Humming
- Vibrato in '62 6G7-A Fender Bandmaster not working
- JCM 800 - cut out, now I get almost no volume
- Tweaker multi cab impedence issue
- slave resister
- 3k or 4k
- fender/ rhodes satellite speakers
- Speaker magnet fell off in shipping!! Need advice please!!
- Tube Tester ?
- Princeton Chorus Shutoff Problem
- Marstran or Metroamp's Transformer/Choke
- 70's Bassman 100 Head advice
- Help! Just dropped amp and broke...
- Where can i get these capacitor values? NYC-are would be best
- Victoria 35210-T- some advice
- An Amp Intervention: TGP edition
- So how loud is a 45W amp anyway?
- In-amp power filtering for $5?
- Excellent Amp Repair in Charlotte?
- Bias Meter Recommendation
- Marshall JCM800 problems this morning
- Blue Halos and Soft Valves.
- Bought a Bias Tool now what???
- deepening tremelo in deluxe reverb
- Blonde'n a Blackface Bassman?
- 6L6GC cathode bias resistors
- Show us your current project
- Vintage amp maintenance and use
- Tubes and clarity of tone
- Fender Princeton 72
- Sunn Sonaro constantly blowing fuses......
- Plate V vs Screen Grid V
- a funny little tube problem
- need a quick volume box
- weird ringing on high b note...
- What causes screen resistors to blow?
- Grounding a 2 Prong Plug?
- pre-amp tube ID
- kt88
- Calculating PT current requirement
- Learning how to build guitar amps, how?
- looking for odd parts (pots)
- 78 jmp has a low freq noise problem
- Help me find Amp build plans
- Distortion "Underneath" Clean Tone?
- UPDATE: Thick layer of foam as 'tube rattle' dampener?
- Another hum question--
- The two webers
- How do you replace the bass pot in a Fender Blues Junior?
- favorite JTM45 mods?
- volume drops - AC30
- Ohmite resistors
- reverse phase spkr cables-Do I need one?
- Matched Power tube pairs... placement in 100watt amp
- Reverb honking on Silverface Super
- Help ID this mystery NOS 12ax7 that sounds fantastic
- Single ended amp questions
- Rectifier shorted, amp still works...
- Tube Amp Idiot...
- My drive channel won't work!
- Blues Deluxe Reissue, roaring static after 2 mins
- Marshall 401???
- Huh? CRYSTALS formed in power tube--with picture
- Added Speaker To Bassman Ten- Now Amp Hums
- 2x12 Baffle Thickness?
- Old 6L6 - from a 30s radio.
- Weird old amp...Questions to start the project
- Peavey 212-Repair/Troubleshooting
- TAD EL84's
- Cathode bias questions
- Can you identify these tubes in my Vox AC30C2?
- Blues Deluxe Power Section Failure
- EL34's in JTM 45
- Pulling power tubes...
- Filtering SE hum?
- Mismatched 5E3/5F4 35 & 20 watt transformers 6L6 GZ34 Hot?
- Scratchy Sounds At Gig Volume
- Bias probes- ma vs. mv ?
- Marshall JCM 800 + Marshall 40 Haze KT88's tubes pedal idea question....
- Bias supply capacitor value
- egnater tweaker tubes glowing blue
- TUT books
- loop box
- Help, Drowning
- How do I make my Pro Reverb "tighter" sounding?
- Cap change issue
- traynor YGM-3 schematic/capacitor voltage question
- Blowing HT fuses on Bogner Shiva
- Mesa Heartbreaker Fuse?
- Budda Superdrive 30 Volume mod
- Hum, Hiss, and Buzz from amps
- Hey Randall, While You're Here....
- Furman power conditioners
- How to install a shorting jack/speaker out?
- Budda SD45 technical issue. Need help!!
- Tube Amp Doctor tube labelling
- SCXD issue
- Purpose of center tap on filament winding?
- malfunctioning ext. speaker jack?
- ground hum from effects loop
- Matching Tubes.... help!
- Carvin Legacy (First Generation)
- vintage 66 Super Reverb Static
- Peavey Classic Footswitch?
- Hiwatt style transformers
- Amp builders and repairmen- Show your work stands (chassis holder stands)......
- Amp crackles when tapped!
- Bogner OS 2x12 cab for XTC Classic
- 12" speaker for my velocette 12r combo
- Marshall solid state 1986 "vintage" question
- Slow day question about dividers
- Amperex 12ax7 Identification Help
- Carvin MTS 3200 mods?
- Need help with RI Bassman
- Replace 5U4GB Rectfier W/SS?
- best "cheap" oscilloscope for amps&ep3 repair&maintenance ??
- 60s Ampeg question
- Fender Showman - what happened?
- Which Caps To Use?
- power scaling vs. attenuator
- 12AX7 or SBK11
- Fender Champion Amp
- 6ls7
- Transistor question
- Electrolytic capacitor mounting
- advice on super reverb project
- Changing Power and Rectifier Tubes on a Super Reverb
- 1968 Fender Super Reverb (blackface with silver plate logo)
- Plexiglass and Paint
- ac15cc went off the deep end
- 6K6 in Tore-Vibe?
- Component spacing on board
- Reverb "hiss"??
- swapping power tubes without rebiasing?
- Effects loop help
- Can you blow up an amp with a fuzz pedal?
- Quick question about Blues DeVille and Marshall Cab
- Headphone trick
- Egnater Rebel 20 blowing fuse
- Dr Z Galaxy
- Speaker Connection
- Did I fry my Pro Jr for good?
- I got the Amp Farts
- 1962 Western Electric 106A amp with 4 in. Jensen Special Design speaker
- Need tube chart for BadCat Cub 2R
- 5E7M bright channel has raspy cracklin...
- Wanted: Schertler David Schematic
- Can i use a regular 1/4"guitar jack
- Fender Bandmaster 72 recap issue, help
- Amp at 240V plugged into 230V wall socket - any issues?
- Who said Sovtek 6V6's were bad? lol!
- Blues Junior trouble
- 7591 question
- Where do you buy your EL84's?
- Strange sounds from my Carr Slant 6v
- 72 Super Lead Toasting Power Tubes
- Anybody have a schem for or worked on a handwired Ashdown Peacemaker?
- Help with 1/4" phone jack plastic
- Ohm question, running two cabs:
- Standby switch
- Selector switches
- Fender Champion 600 mods!
- Could someone explain amp classes to me?
- Ungrounded power amp with PA?
- How to modify a regular speaker to a flux density modulation speaker?
- Egnater Tweaker Hiss
- Plate Voltage for Brown Princeton 6G2
- So I just changed my amps rectifier tube and guess what happened..
- Back panel screws stripped
- late '70s hiwatt 2 input preamp tagboard questions
- Effects Loop ID..w/pic
- 6u10
- 8 ohms to Twin Reverb?
- Should I bleed the caps before changing tubes in an AC15 HTVH?
- DIY 5E3 Problem
- Fender Princeton Non-Reverb Mod question
- SS to tube rectifier?
- How to test if a speaker is dead
- Need Help - NADY XA-300 Strait to Protect
- Is my AOR 30's transformer smoked?
- speaker screwed into baffle = way more cab vibration?
- Amp buzz in pentode mode but not triode mode?
- Burnin' Hot
- Fender Tweed Tremolux Bias
- Bias supply resistors in 74 JMP MII 50wt
- 6G2 Clone Problem
- Have to rebias when changing Phase inverter tube?
- unmarked ohms on speaker cabinets
- 1946 Epiphone Electar Zepyhr
- Help Me "Hot-Rod" the Bass channel of my AB165 Bassman!
- Fender Tweed question...
- Effect of line voltage on bias?
- Late 60s, early 70s Fender cab info?
- Prince vs. Deluxe
- Twin woes
- 5w peavey pinching distortion/low volume
- Added a Line out for Gibson GA-17rvt Scout
- ampeg svt or vt 40
- Cabinet Wiring Question
- the eccentric 6sj7 tube- any reccomendations?
- Grill Cloth
- Mark IV Pot Repair
- Tweed Deluxe - speaker mounting...
- need help finding one of those metal tension tube holders
- Understanding power transformers
- 65 Vibro Champ mod. Whatizit?
- Dr. Z Schematic
- SWR Bass 350 conks out
- output transformer and speaker loads
- Change rectifier when going from 6L6 to 6V6??
- 6L6 vs. KT66
- Q: NOS EL34s matched pairs v. matched quads?
- 1965 Ampeg Rocket 2 60-cycle hum
- how to test an old amp without inputting a signal
- Opening up a crate vintage club 20
- Ressurecting Old Amplifier
- Tremelo experts? Fender Tremolux - Trem troubleshooting
- Play-testing an amp with fried screen resistors
- RCA blackplates V>S> greyplates
- Gigaohm resistors??
- bias circuit problem
- Tube "Gunk"
- Impedance selector versus independent jacks
- Ground bus/star ground chassis connection