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- intermitting problem with Fender amp
- Why Do Amp Makers Still Use Fiberboard?
- Silvertone 1434 "Medalist" help
- Replacement speaker advice needed
- Noisy Badcat Cub 2r
- difference in tubes
- difference in tubes
- 4 x 6L6 in a M/B MkIII?
- HELP!! JTM60 combo distorting
- More Questions about my JTM60
- Help with choosing 12ax7's
- Will disconnecting one speaker from a 2x12 4ohm cab change the ohms?
- Question about biasing an amp (shunt method)
- Who Sells Burned-in and Tightly Matched Russian GEC KT77
- 12AX7,12AT7 and 12AU7 can I use all? in Dr.Z
- Pro Reverb Vibrato Help
- Crate CA120D
- where to buy tube retainers?
- Need power tube break up at reasonable volume, would a speaker change help?
- Need help wiring new OP tranny into JCM800...
- Cleaning tubes & RUST!
- buzzing amp question
- Fried valve
- Two Stroke Help!!
- How to add variable gain to a 2 stroke?
- Noisy reverb on my Divided by 13 SJT 10/20??
- Tube recommendations for Ceriatone DC-30
- bassman 10 project OT issue, HELP!
- 20 feet of cable in a box? Experts with electronics...
- Best option for rewiring a 4 X 12 cab?
- no sound at all from a JCM800
- 72 vibrolux extension cabinet? ohms?
- Alnico Blues
- Fender Layouts X Y & B+ ?
- Question about draining voltage from caps?
- New hum with previously quiet amp.
- NOS or ANOS, What's the diffrence ? Help.
- Fender Bandmaster gain question.
- Can a keyboard line out be run into guitar amp input?
- Will an OT still work if it's bad?
- Is anyone experimenting with..
- Vox AC30tbx Mod/ signal path resistors?
- ss amp(blown fuse)
- VOX AC15CC Blowing Fuses - Help!
- Heritage Colonial Plate Voltage...
- New Dr. Z amp: 40 Watter With One 30 watt Speaker?
- Two Rock!!!
- Converting a JTM45 to a 45/50...
- Problem with an old EL84 powered stereo hi/fi
- Princeton Reverb = Thin/Plucky?
- voltage/hum problem with '64 Deluxe non-reverb
- Anybody have a schematic for a PPIMV mod?
- Standby switch stopped working
- AA864/5F6-A hybrid
- gibson amp tech needed and speaker advice!
- 1/2 watt or 1 watt resistors for twin reverb?
- which rectifier for 5e8a
- DIRTY BOY "TONE BULLY" - Why Yes Why Not!
- if the silver stuff inthe tube turns white and flakes off, it's dead, right?
- can speakers just die?
- Troubleshooting Help - HR Deluxe Has No Power
- Can someone point me to a schematic for a voltage limiter using a light bulb?
- Inserting a tube the wrong way....
- Amp noise
- International PT Hook-Up Q
- White noise from my fuchs: Continued
- Rack gear, MIDI set up question
- Sovtek Mig 100 question
- Bogner Shiva Problem
- Orange Grill Cloth repair question
- Vibro Champ - kinda muddy
- If tubes are going bad, what will they show on my voltometer?
- '67 Super Reverb Bias Question
- How to run my ampeg b25b?
- Tung Sol 6V6 vs. Electro Harmonix 6V6
- Bad filter caps in Super Lead?
- efficiency rating alnico vs. ceramic question
- Bias questions, steps...Help, please.
- Distorted amp louder than the 2x stronger clean one - a matter of pre-amp valves?
- Ye Olde Tube ID Thread
- Reverend Hellhound Cathode Follower
- Re Tolexing an old speaker cab help
- what is "filtering RC network" in an tube amp?
- Quick Fuse Question
- Sovtek Mig-50 Rectifier
- My non-Trem amp ticks??
- Coupling caps or cathode bypass
- HELP Mesa F-100
- Pro Junior- strange sounds (Clips provided)
- Ampeg SVT CL help
- emi man o war
- tweed tone control fav caps
- Reverb tank replacement. Type 8 instead of type 1?
- Tophat Club Royale blows fuse
- Weber 5e8a OT upgrade
- Can anyone explain this cap job? (pic)
- Looking for N.O.S. Tung Sol 12AX7's...
- What mods can be done on my 63 ga 8t?
- Negative Feedback wire
- reverb and tube rectifier in a 80s jcm800?
- can i put 5y3gt in place of 5u4gb recto tube
- speaker ohms & volume?
- Cone cry??? Not sure what it's called but need some help please
- Ceriatone DC30 Output Tranny
- Vox AC4TV Problems
- tube tone
- A bass played on a peavey windsor head
- Where's the bright cap on my Bassmate (pic included)
- 66 Vibrolux Reverb reverb not working - layout schematic??
- List of Tubes on Craigs List; Which ones???
- Bias mismatch
- Adding a Gain stage to 5f2-a
- Danelectro Conqueror schematic help
- Bias balance question
- Some speaker wiring questions
- I now have many NOS tubes.... help me..
- Flyback Diode in Super Reverb UPDATE
- 7868 tubes...
- Replacing the coupling caps in a Vibrolux Reverb clone...
- Anyone work on a Crate TV6212?
- HR Deville oscillations
- Champ clone help please
- Haltron 12ax7
- Recommend A NOS Tube Vendor, Please
- Where can I find a good single EL84 build?
- RCA 5Y3GT vs JAN Philips/Sylvania 5Y3WGT/5Y3GT
- source for road case foam?
- Help with part ID- tube echo
- Tube Newb
- Trouble shooting an amp problem, yea fun!
- Rivera Bias Issue
- Is it dead?
- adequate speaker wattages?
- 67 Fender Bassman Head?
- Power Tube Matching For A 5E3 - Is It Needed?
- Help!
- Loose 5Y3 bottle
- Amp to Cab impedance question
- Sozo BlueMolded Vintage...
- Disconnecting neg feedback
- where to connect feedback resistor with a multi-tap OT ?
- Fame GTA-15 hum, hiss and pop
- A question for the tube tester experts
- Hayseed Go Go Gone
- scratchy
- Celestion G12 Heritage...any info?
- Why do Boogies get so dark?
- replacing power tubes in 67 bassman... with same brand, will i need to rebais?
- Reverb on normal channel deluxe reverb
- National Valve Museum - LOTS of Tube Info & Photos
- G-K Backline 100 Power Transformer?
- Cascading channels on a Marshall Plexi- Anybody happy with their results?
- Quick note decay, no sustain...an amp problem?
- Budda amp problem
- what are 2 the numbers written on power tube boxes
- '68 and '69 Silverfaced Vibrolux Reverb
- NOS Rectifier Tubes
- Amplifiers into three-to-two prong adapters.
- 18-watt vibrato channel sputtering/cutting out. What to check?
- High Pitched Ringing 6V6-S
- Fender Rivera-era Concert - channel 2 died
- Fender Tweed Bassman LTD reissue
- How long do NOS EL84s last??
- Phase inverter question
- Add pedal circuit distortion to amp circuit
- EL34s in a 6L6 amp
- Ohms match using the ext. speaker on a SFDR
- Roland Cube 15 - Speaker Impedance?
- new tube amp running REALLY HOT
- Silvertone 1344
- Reading tube data sheets
- 60's Ampeg Reverborocket 2
- Mesa buzzing, microphic wire?
- Matched pair vs. mitched-matched branded pair...
- Best 18watt output transformer??
- Most reliable current 6l6?
- Egnater Rebel 30 hiss/hum problems
- A couple questions regarding an amp I am converting
- Bandmaster clone...
- 5B6 board
- Gibson GA20T Tubes
- Pro Jr. Problem- Please help
- Loud amp humming
- 60's Ampeg filter capacitor
- Brimar 12AX7's...
- Does PRRI rectifier tube affect tone or response?
- Supro Tremolectric Reverb problem
- Best modern tubes being made?
- I'm thinking of putting some old metal 6L6s in my Valveking...what's the scoop?
- Weird 5Y3GT behavior
- blowing an OT 'cause of impedance mismatch
- Raspy noise, distortion from Fender HRDeville
- Treble knob acting like a "tone" control on a distortion pedal...
- build issues and questions
- Bright cap mod -- AC15cc
- Which Caps for Vintage Fenders
- Clarification on Cathode-biased amps?
- '65 Fender Princeton Reverb Reissue (PRRI) Mod questions
- Running Amps in Vehicles--Power Inverter Q.
- The 411 on TAD KT66's
- v55
- Do I need to worry about the polarity on my heater leads?
- Champ Problem and I need help please
- 6V6's That Take 450v B+ @ 25mA
- Bias Rite Question/Problem with Super Reverb
- Microphonic tube(s) in a Hayseed - A quick question!
- Speaker Math
- Fender Vintage Black Face Amps
- Best place to send tube amp for mods?
- center pin ?
- Heritage Victory Fuse Problem/Question
- Bias keeps drifting?????
- Would converting a homebrew Tweed Champ to a Reverb-Unit be that hard?
- Are Sovtek tubes any good?
- So I finished building it-- but I got no sound... 5f1 champ
- Strange Noise on certain notes
- HELP!!!!!!!!!!! (SIG;X)
- Are my speakers done?
- "sparking" on 6v6 plates?
- 69' SF Champ TROUBLE - Blowing Fuses, Tubes...
- are there any buffered loop kits?
- Replacement Speaker - +/- wires
- cheap signal gen for testing
- Problems with AC30 - Need help trouble shooting.
- Would rewiring a cab?
- 6V6 Choices for the DRRI (JJ vs. EH vs. NOS)???
- cathodyne vs. LTP
- Use PRRI Transformer in Blues Junior?
- Dialing in a Metro 50
- Reverb question
- Here's a good one....
- Can I use alligator clips for speaker testing?
- Scratchy Pots: Dry Pots? Bad Valve? Bad Cap?
- Before & After Ampeg Gemini I Repair Photos
- Twin Reverb and circuit voltage
- amp keeps blowing fuses?
- Bogner Mojado-Bias help needed.
- more on chokes
- 57 twin & running wireless
- Adding PR grid resitors: Yay or Nay?
- How to bias with one test point?
- What popular circuit could I turn a traynor yba-2b (1968) bassmate into?
- neutral, hot and fuses
- Marshall DSL Tubes
- Can a vintage Traynor YBA 2B which runs 6v6s now, run 6L6 with just a rebias?
- Soldering Iron for Chassis Welds
- Are CE Manufacturing can caps expensive for a reason?
- Help with Electronics/PCB question
- 6L6GC Substitution Question
- B+ in a Marshall Studio 15
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