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  1. Is JAN Sylvania 6L6WGB under rated the same as JAN Philips 6L6WGB?
  2. Fender pro junior bad transformer and red plating v3 tube
  3. Idea: singleton power tube trading forum?
  4. Aaron C
  5. Data sheet confusion for 12BY7-A
  6. sound city 120 - I may have 'highlighted' a fault !!!
  7. high screen voltage
  8. Preamp tubes with different triodes
  9. Help me Identify these Tubes!
  10. 6F12P
  11. Suggestions for 30-40v power supply for micro tubes.
  12. Laney IronHeart
  13. Matching tubes at home Q?
  14. Guild thunder 1 help
  15. Dropping B+ substantially
  16. tube /valve Biasing
  17. 6CA7 Current Draw Increases
  18. Viking tube radio to guitar amp
  19. JJ 6v6s spare pins.
  20. high gain amp attenuating
  21. Will this output transformer work?
  22. Homemade Tube Tester
  23. Eico HF-20 50's 6L6 UL HIFI amp, convert for guitar or just try to sell it?
  24. 6v6 Grid Bias Circuit.
  25. Bias test points.
  26. Antique Sound Lab 6L6 Tube Up For Adoption
  27. Fender Twin Reverb 65 Reissue 6L6 Tube Replacement
  28. Any new EL84's lately with better reject rates?
  29. Tung-Sol 5881 - Hard, Medium, Soft?
  30. Can someone look over my biasing data to see if I've got it right.
  31. Help with tube data sheet, ecll800
  32. Help with tube data sheet, ecll800
  33. resistors as inrush limiters before full-wave diodes?
  34. Calibrating Tube Testers
  35. 6L6 Build Suggestions
  36. 5R4GY longevity in tube amps
  37. 5U4GB tube rectifier flash
  38. 6j6 & similar...
  39. Re-bonding tube bases
  40. replacing 6w8's with separate pre and output tubes
  41. Replacing 6L6 with 6V6?
  42. One of these things is not like the others...
  43. Russian made Groove Tubes?
  44. Awesome tube tester/curve tracer
  45. Tone stack Mod for Bogen H30
  46. help identifying this tube
  47. 6L6--- which brand best keeps the fenders sound
  48. More Bass/Less Mid mod for a Sovtek Mig 50h
  49. EL84 tubes
  50. Source for 9-pin (preamp) tube bases???
  51. Just used a 16 years old new tubes.
  52. Shuguang 6L6WGC - any info
  53. hardware for blackface fender fix
  54. Model t tubes
  55. Anybody looked at tube perveance values?
  56. Tube Storage
  57. When did the American Tung Sol factory cease production?
  58. New production 12AX7
  59. CE Distribution - policy change coming for defective tubes
  60. Sinorussotubeaphobia
  61. Triplett 3444 testing of a 12AX7
  62. Variations in Filament intensity
  63. Used power tubes
  64. New production Mullard El34's
  65. Origin of the 6L6GC?
  66. Sovtek 6CA7 fat bottle 90s era
  67. ID tubes from 1968 Traynor YVM-1
  68. Thoughts on Tung Sol reissue 12AX7 and reliability?
  69. Plate voltage of NOS RCA and NOS Tung Sol??
  70. Old Sovtek EL34G, similar tube?
  71. Current production Sovtek EL84M
  72. 12AX7 tube for overdriven analog organ
  73. ECC83 clipping
  74. Can KT88's be used in my amp?
  75. JJ 6L6GCs... WTF?
  76. Please suggest KT88 tubes
  77. wurlitzer branded general electric grey plate 12ax7
  78. Power Tube Swap Extravaganza!
  79. need a source for 6KG6A/ EL509 tubes
  80. how long do these last?
  81. What is this tube ID?
  82. Avo valve tester questions.
  83. winged C vs Svetlana el34s?
  84. Mercury Rectifier Tubes
  85. boutique/back yard tube maker in Japan [Youtube]
  86. cathode by-pass in push pull six tube hifi amp
  87. Nuvistors - what do you think?
  88. Bias question - 6L6
  89. Adhesive for Repairing 6V6GT Base?
  90. 5763 Tetrode - what do you think?
  91. NOS Metal Can 6V6 Tube Quesiton
  92. Franks Electron Tube Data Sheets site down?
  93. Tube amps
  94. rf/audio screen voltage ratings
  95. Help with value vintage Line Transformer Altec 2282
  96. Suggest preamp tube (12AX7)
  97. Anyone used Sovtek 12ax7wa - Had one crack
  98. ID this Tube?
  99. what power amp is this and who made it ????need schmatic
  100. Recommendations for EL34 for 520V on the plate
  101. Anyone else having issues with Winged C EL34's?
  102. JJ 5Y3?
  103. Retrovalves
  104. Question For Other NOS Tube Junkies
  105. mismatched 6v6 pairs; cathode bias
  106. Article - Return of the Vacuum Tube
  107. Tube-Based Boiler Controller / Thermostat?
  108. Any experience with this tube vendor?
  109. Blackface Deluxe Reverb No bias current reading
  110. Fender Bassman 10 Bias adjust conversion
  111. Proper Tube Removal Process?
  112. dead output transformer
  113. Shuguang data sheets
  114. Ordered JJ's for my Bugera 333XL
  115. The Tube Shop - anyone shopped there?
  116. Which 12AX7 for my 18 watt plexi build ?
  117. 12AH7A info
  118. Changing tubes in a Crate vc5310
  119. Winged C 6L6GC + TubeDepot
  120. WANTED: 2 6N6 "metal can" vacuum tubes
  121. 50Watt Vintage tube PA Tubes?
  122. Northern Electric Tubes
  123. Fooprints (symbols) for tubes for Orcad PCB designer
  124. Sovtek 12AX7s
  125. Octal tubes and microphonics?
  126. Tube amplifier for headphones
  127. Any Opinions on Octal Preamp Tubes?
  128. Cryo treatment of metal things with music coming out of them
  129. JJ EL84 failure
  130. Anybody Know About Ballast Tubes?
  131. 21.5 watts from a Pair of EL84's?
  132. Strange 5AR4 "Problem"
  133. Is cathode bias the same thing as "self" bias?
  134. Rectifier tube question
  135. Who made the Groove Tube KT-66HP?
  136. Bugera 333XL 212 Combo Tube Questions
  137. Senior TC130 tube tester chart
  138. Difference between 5AR$ and 5Y3 as Tweed Deluxe rectifier
  139. What to do with one of a pair of matched tubes
  140. Most reliable current production 5AR4/GZ34?
  141. Please recommend me tubes for my Bassman
  142. Peavey classic 30
  143. EF86 too weak. is it true what they say?
  144. JJ 6L6GC
  145. Will changing from a 5U4GB to ? lower my DC voltages?
  146. New 6Sl7
  147. Best New Issue EL34
  148. Upgrading Epiphone Valve Junior to a 7591 SE design?
  149. 6Y6s.....any good for audio?
  150. My Handsome Devil head
  151. 6AR6WA v. 6L6GC?
  152. EF86-type Sonic Differences.....
  153. New Issue 6L6
  154. 12AX7 HUM
  155. 6U8/ECF82 shielding question
  156. 7581a in Fender amps?
  157. 12AY7 as a DC-coupled cathode follower
  158. Vox AC 100 Mk2
  159. Tung-Sol 6L6STR fragile bottle top
  160. ECF80 or ECF82 for AF?
  161. SED Winged C Prices Way Up
  162. Tube Lineage?
  163. 12ax7LP substitute
  164. Chinese tubes
  165. KT66 Pin 1 variations - which one is accurate?
  166. Tung-Sol RI 6V6 - opinions/experience?
  167. Presently manufactured power tubes
  168. Very elementary question/Sovtek etc.
  169. 807s?
  170. Miniwatt, yes or no?
  171. RCA - customers advice wanted
  172. Chinese and Russian tubes
  173. SS Tube replacements...
  174. Telefunken in Fender amps?
  175. 7868-EH tubes any good? (New Electro Harmonix)
  176. What are the best 6550/KT88 tubes for 2011?
  177. Gold Lions (English)____Anyone familiar?
  178. Bench-testing vintage power tubes?
  179. 6v6 and 6v6GT
  180. cleaning old dirty tubes?
  181. Tube labeling: Paint? Etched?
  182. help plz: identifying old tubes
  183. Baldwin 12AX7 Made in USA AMY 31 13 29
  184. tube test just for 12Ax7?
  185. Sovtek 5Y3GT--good tube?
  186. Are you kidding me!? Really!?
  187. 6SQ7 vs. 6SF5
  188. Anybody have a legible TC-142 schematic?
  189. Woolly guitar sound
  190. 12AX7 Mullard/Philips/Amperex NOS
  191. New JJ 5U4GB whines on warm up.
  192. 7591 vs 6V6
  193. Help me identify some 12ax7 tubes, please?
  194. What does it take to break a tube pin?
  195. EZ81, 6CA4, EL84 Question.
  196. Russian 6P3S
  197. 7868 tube
  198. Screens Still weak in EH6V6?
  199. ken-rad 6l6g and 6v6gc from 1948?
  200. Groove Tubes Marshall distortion Confusion!! lol.
  201. New 12AY7 vs 5751, can't hear the difference...!
  202. B&K 707 Tube Tester - Problem with emmissions test
  203. 6550,6L6,12AX7 and distortion question
  204. Tube question
  205. Any reason I shouldn't...
  206. Teonex
  207. Eurotubes=Bad News
  208. Svetlana factory seconds
  209. Free tube datasheets
  210. RCA 6L6's ?
  211. "Soot" Inside EL84/6BQ5
  212. JCM800 Preamp Clone - Wierd Distortion (oscilloscope pic)
  213. "Shield" brand 6BQ5 Torched Screen Resistors
  214. Preamp tubes
  215. Jan Philips 6L6WGB
  216. Mesa Boogie tubes
  217. R.I.P. CV4004.....Any tube sob stories?
  218. 5Y3 EZ81?
  219. Tube Slag
  220. my NOS 5y3 is not working. bad tube?
  221. Old Hammond Tubes??
  222. Cabs suited for Vox AC50
  223. legacy vl100
  224. I need Help with this tube "8CW5/XL86
  225. Amp should be 100 watts but low on power, why?
  226. 6sl7/12sl7 experimentation ?s'
  227. Question about Tube Output Power
  228. I have some general Q's about tubes!
  229. Question about tube glow.
  230. Hiwatt hi-gain 50 head biasing review
  231. Do different make 12AX7 tubes sound different? and why?
  232. 12at7 labeled as 12ax7
  233. Good Sounding Tubes
  234. New Tubes and disaster
  235. ECC 807 Brimar
  236. In at the deep end....
  237. Hiwatt hi-gain 50 head
  238. 6Y6GT in a Champ ?
  239. Bias probe
  240. No Sound on Fender Twin Pro All tube
  241. hammond tubes question
  242. Crate blue voodoo 60 watt 2-12 combo problems need advise
  243. Ampeg V4, maximizing headroom, needing real answers...
  244. Yellow Jacket Power Tube Adapter
  245. Hammond 7247
  246. The difference a tube can make
  247. What to do
  248. Laney AOR
  249. Tube Tests and Specs
  250. Duende Criatura?