- Phase Inverter tube capability
- Mesa boogie recto preamp tube placement values
- 12b4a ge jan
- 5AS4A acceptable Sub For 5U4G ?
- What NEW 12AX7 is BEST
- Anyone have info on A rcp 808aa tubetester?
- Variable cathode resistor
- The original chinese 12AX7's
- Making a solid state rectifier
- Tube amp death (auto bias-trouble)
- 12ax7 trouble
- Boy, do I HATE this (new tube rant)!
- Changing tubes on a Gibson Goldtone Ga-15
- 5u4 rattles on powerup
- NOS Russian 6Pi6c Beam Tetrodes
- Hammond-labeled tubes - mfr?
- JJ 6V6s sturdiness
- KT66 questions
- Changing Vibroluxe Reverb Custom tubes
- 6v6, 6f6
- What do these tubes do and can I use them in a THD amp?
- dsl 100 bias problem
- 12AX7 testing
- Kt100
- Just curious...
- What can folks tell me about 6EJ7 ?
- Making a quad out of 2 matched pairs
- Transconductance and tube performance
- Anyone ever try 6CW5s?
- 6G6G power tubes in a 5F2A ??
- Help with a tube substitution
- TV Tubes
- Wanted - High Power, High Voltage, Audio Frequency Transformer Manual
- Tube testing question
- Tube rectifier wear
- I am new to tubes and have been looking for help!
- Noisy power tubes
- Tube identification: manufacturer logo/markings database?
- Yay I got a Telefunken ECC83 for $10
- How much light in Power Tubes?
- 5Y4GA Rectifier
- Soft/Med/Hard Duet...
- 6V6 Tubes in a Fender Blues Deluxe Reissue?
- 6P6S - Any one used these?
- Non-Reissue Tung Sol 5881/6L6WGB, RCA Blackplate 6l6gc Unmatched Pair
- An experiment for gassy tubes
- 6gw8 replacement?
- What brand is this?
- 7868 Power Tubes?
- 1950s Genuine RCA Radio Tubes and Parts
- Tube Education for Blues Deluxe
- solid state
- 6CA7
- '65 Fender Princeton - Tube Suggestions?
- Blues Jr. 1 Hot tube
- temporary intense glow/dull flash on filament when heaters are turned on
- 12AX7 Voltage Problem(s)
- Poor little 8CG7
- Last word on Sovtek 5881 plate voltages, pleeeeeease.
- Using large value screen resistors w/ bypass caps
- 5cg8 triode/pentode amp ?
- 6SJ7
- New Tung-sol 6v6gt voltage
- Tube Rattle
- Tube Matching
- ECC808?
- 12ax7 that can handle 400v on the plate!
- 6V6G Specs?
- Replacement for 12AU6 Tube?
- NOS Recto vs New Recto
- 5c3 Biasing question
- 5881 tube retainers
- NOS Source
- Weber copper cap Module
- 7189A sub?
- 6bl8/ecf80 for gain stages
- 6L6 headroom, power, and saturation
- 6sl7 phase inverter gain stage
- 5879 preamp tube
- No more Groove Tubes
- 6CA4 (EZ81) questions from a n00b. (ELK Stageman bonus pics)
- what about Gold Dragon tube
- So I got some 6N1P/ECC88's? what should I do with them?
- Are these equivalent to anything you know of?
- Question about subbing 6V6s for 6L6s
- 6V6GT Questions: Fender Champ 5F1
- NOS tube guide
- Fender Deville 212 Noisey
- Caveat on using 6BQ5's in modern EL84 amps!
- torroidal trannies question
- 6Y6G ST tubes
- national gold line 6l6gc
- THD Reactive Rectifier
- Matched Tube Question
- 12AY7EH a hummer?
- 12AX7EH CF Failure
- circuit diagram
- Tube Primer
- Best Tubes for Fender Hot Rod Deluxe
- hi Fi tubes for geetar amps?
- Revolutionary or just another try?
- Techtube
- Fender/Groove connection
- New Tube & Parts "Burn In" - What ???
- 5879 preamp tube substitution
- Univox Amp Question
- reel to reel recorder tube swap
- Bugera 6262 help!!
- how do I set my Bias?
- 12AT7 for Reverb Driver & PI
- 6V6 in Class AB1 push-pull mode
- Broken GTEL84S (6BQ5) Tube - Works?
- Woohoo KT88s
- 6N2P-EV Tubes
- I have an 6F1P tube, what can I do with it?
- strange amp, questions
- Increasing distortioin in PP 6L6
- NOS Mullard 12AX7 prices
- Tube Diving
- crate vc 50 3x10
- Preamp tubes problem
- 6550 Tube Types
- 6N6p
- Traynor 40 YVC - 1 of 2 tubes out!
- Mullards El34's Vs. Svetlana 34's
- Do old guitar tubes have any value?
- tube ratings?
- marshall 800
- marshall 2203 tubes
- 5U4G vs 5U4GB
- 12ax7 Tung Sol(new) Problem
- We 350b?
- Jensen C12S Impedance?
- How to adjust your tube guitar amp
- need help changing from 2 to 3 prong Grounded cable for univox u45b project
- This Is Too Funny !
- Question about biasing my amp.
- sharp cutoff pentodes
- who used 6SL7?
- New Sensor "Tung-Sol" 6V6GT voltages - FYI
- stupid nOOb question
- Peavey Heritage VTX
- who use chinese tube ?
- getter problems
- Hello and Biasing question
- How long do tubes really last?
- Anyone got Data sheet for New Sensor "Tung-Sol 6V6GT"?
- How Do You Like The JJ X2 Mica 6L6GC
- Crate V16 new tubes and speaker
- USA Fender 12ax7
- Hand made triode; cool!
- best 12ax7 for distortion
- What is the best 6L6 for a V4?
- Brimar 6X5GT - What uF rating
- Tubes in Greece!
- New Mullard tubes
- how much difference does a matched set make?
- Where to find modern tube data sheets
- Cathode current meter.....build question
- Real Reissue KT66's
- frequency low down on smaller output tubes
- ...vacuum tube THEORY?
- How accurate is a "life test"?
- 6BQ6 schematic needed
- What about TV horizontal deflection tubes as output? I need some schematic with ...
- Getting new tubes for blues amp, neep an opinion
- 6av5ga tubes for sale
- Holy mother of God! auction gone nuts
- roll your own vacuum tubes
- 6V6s
- Pin 6 on octal power tubes?
- 6021 and 6112 Submini Tubes
- Bad Tubes
- NOS???
- 6V6: 12W or 13W plate dissipation?
- Oddball Tubes I'm Looking For
- My tube collection!
- JJ or EH 7591A?
- Wanted: Composite Loadline Chart for P-P 6550 in Class A
- Tube Cad / Spice Questions
- Eurotubes Any Problems ?
- the secret of NOS tubes...
- 6L6 replacements
- 6N1P Triode. Anyone Familiar?
- Lafayette tubes from England ?
- National 12AX8's, who made 'em?
- 6SJ7 to 12AX7 ??
- El34, 6l6, 6v6
- metal can 6v6's
- Change of Tubes for Marshall DSL 2000 100W
- Tung-sol RI 6550 how much can it take?
- KT88 / 6550 Bias Questions
- where do i start?
- Opinions on New Production EF86?
- OK! I need help!!!!
- Looking for 12ay7/6072 recommendations.
- Will bass damage a valve amp?
- Tube Recommendations?
- High gain pre-amp tube / valve - Question
- CBS Rectifier Identification Help Needed
- 5AR4 / GZ34 -- Best New Production Tubes?
- Who Made the "Realistic Lifetime" EL84?
- Old RCA 12ax7
- Weird tube death (see "salvaging" post also)
- Salvaging valuable tubes - (see "dead" tube post also)
- Old tubes - please advice needed (6SC7, 6J7)
- best Traynor YBA1 preamp tubes for early breakup?
- Opinions of Sovtek tubes
- tungsram THANK YOU !!!!!!!
- tungsram HELP!!!!
- Wit's end with underbiased super
- Tubes for AC30CCH
- Ampeg V4 and the ECC 832
- New Sensor at it again
- A Home-Made Triode!??!
- ECC83 vs ECC84
- The Brick Project
- How to ID 12AX7 manufacturer?
- Ck512ax
- tung sol 12ax7
- Is this too good to be true?
- tube ID interchange
- choosing tubes help?
- Jorenz Tubes?????
- I found some NOS tubes
- Ampeg B-15-N
- Groove tubes "Mullard" 12AX7
- Rsd 6l6gc
- Experiences with 3DG4s?
- Anybody try the TAD short bottle 6L6's?
- Reissue Mullard EL-34 ??
- Mullard 6L6GT
- 12DW7, 7247, ECC832 -- A Cool Tube!
- 6v6's in a Plexi?
- Tung Sol 6V6 reissue