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  1. Ampeg V4, maximizing headroom, needing real answers...
  2. Yellow Jacket Power Tube Adapter
  3. Hammond 7247
  4. The difference a tube can make
  5. What to do
  6. Laney AOR
  7. Tube Tests and Specs
  8. Duende Criatura?
  9. A Good New 12AY7?
  10. Fender Twin Preamp Question.
  11. Ampeg VL-503 not working tube arent glowing
  12. Ampeg SVT pro 3
  13. ECF80 / 6bl8 New ( not NOS ) ???
  14. 5881 question
  15. Useful Valve Test Reports
  16. Help identify a National Electronics 6l6 tube
  17. Tubes
  18. Phase Inverter tube capability
  19. Mesa boogie recto preamp tube placement values
  20. 12b4a ge jan
  21. 5AS4A acceptable Sub For 5U4G ?
  22. What NEW 12AX7 is BEST
  23. Anyone have info on A rcp 808aa tubetester?
  24. Variable cathode resistor
  25. The original chinese 12AX7's
  26. Making a solid state rectifier
  27. Tube amp death (auto bias-trouble)
  28. 12ax7 trouble
  29. Boy, do I HATE this (new tube rant)!
  30. Changing tubes on a Gibson Goldtone Ga-15
  31. 5u4 rattles on powerup
  32. NOS Russian 6Pi6c Beam Tetrodes
  33. Hammond-labeled tubes - mfr?
  34. JJ 6V6s sturdiness
  35. KT66 questions
  36. Changing Vibroluxe Reverb Custom tubes
  37. 6v6, 6f6
  38. What do these tubes do and can I use them in a THD amp?
  39. dsl 100 bias problem
  40. 12AX7 testing
  41. Kt100
  42. Just curious...
  43. What can folks tell me about 6EJ7 ?
  44. Making a quad out of 2 matched pairs
  45. Transconductance and tube performance
  46. Anyone ever try 6CW5s?
  47. 6G6G power tubes in a 5F2A ??
  48. Help with a tube substitution
  49. TV Tubes
  50. Wanted - High Power, High Voltage, Audio Frequency Transformer Manual
  51. Tube testing question
  52. Tube rectifier wear
  53. I am new to tubes and have been looking for help!
  54. Noisy power tubes
  55. Tube identification: manufacturer logo/markings database?
  56. Yay I got a Telefunken ECC83 for $10
  57. How much light in Power Tubes?
  58. 5Y4GA Rectifier
  59. Soft/Med/Hard Duet...
  60. 6V6 Tubes in a Fender Blues Deluxe Reissue?
  61. 6P6S - Any one used these?
  62. Non-Reissue Tung Sol 5881/6L6WGB, RCA Blackplate 6l6gc Unmatched Pair
  63. An experiment for gassy tubes
  64. 6gw8 replacement?
  65. What brand is this?
  66. 7868 Power Tubes?
  67. 1950s Genuine RCA Radio Tubes and Parts
  68. Tube Education for Blues Deluxe
  69. solid state
  70. 6CA7
  71. '65 Fender Princeton - Tube Suggestions?
  72. Blues Jr. 1 Hot tube
  73. temporary intense glow/dull flash on filament when heaters are turned on
  74. 12AX7 Voltage Problem(s)
  75. Poor little 8CG7
  76. Last word on Sovtek 5881 plate voltages, pleeeeeease.
  77. Using large value screen resistors w/ bypass caps
  78. 5cg8 triode/pentode amp ?
  79. 6SJ7
  80. New Tung-sol 6v6gt voltage
  81. Tube Rattle
  82. Tube Matching
  83. ECC808?
  84. 12ax7 that can handle 400v on the plate!
  85. 6V6G Specs?
  86. Replacement for 12AU6 Tube?
  87. NOS Recto vs New Recto
  88. 5c3 Biasing question
  89. 5881 tube retainers
  90. NOS Source
  91. Weber copper cap Module
  92. 7189A sub?
  93. 6bl8/ecf80 for gain stages
  94. 6L6 headroom, power, and saturation
  95. 6sl7 phase inverter gain stage
  96. 5879 preamp tube
  97. No more Groove Tubes
  98. 6CA4 (EZ81) questions from a n00b. (ELK Stageman bonus pics)
  99. what about Gold Dragon tube
  100. So I got some 6N1P/ECC88's? what should I do with them?
  101. Are these equivalent to anything you know of?
  102. Question about subbing 6V6s for 6L6s
  103. 6V6GT Questions: Fender Champ 5F1
  104. NOS tube guide
  105. Fender Deville 212 Noisey
  106. Caveat on using 6BQ5's in modern EL84 amps!
  107. torroidal trannies question
  108. 6Y6G ST tubes
  109. national gold line 6l6gc
  110. THD Reactive Rectifier
  111. Matched Tube Question
  112. 12AY7EH a hummer?
  113. 12AX7EH CF Failure
  114. circuit diagram
  115. Tube Primer
  116. Best Tubes for Fender Hot Rod Deluxe
  117. hi Fi tubes for geetar amps?
  118. Revolutionary or just another try?
  119. Techtube
  120. Fender/Groove connection
  121. New Tube & Parts "Burn In" - What ???
  122. 5879 preamp tube substitution
  123. Univox Amp Question
  124. reel to reel recorder tube swap
  125. Bugera 6262 help!!
  126. how do I set my Bias?
  127. 12AT7 for Reverb Driver & PI
  128. 6V6 in Class AB1 push-pull mode
  129. Broken GTEL84S (6BQ5) Tube - Works?
  130. Woohoo KT88s
  131. 6N2P-EV Tubes
  132. I have an 6F1P tube, what can I do with it?
  133. strange amp, questions
  134. Increasing distortioin in PP 6L6
  135. NOS Mullard 12AX7 prices
  136. Tube Diving
  137. crate vc 50 3x10
  138. Preamp tubes problem
  139. 6550 Tube Types
  140. 6N6p
  141. Traynor 40 YVC - 1 of 2 tubes out!
  142. Mullards El34's Vs. Svetlana 34's
  143. Do old guitar tubes have any value?
  144. tube ratings?
  145. marshall 800
  146. marshall 2203 tubes
  147. 5U4G vs 5U4GB
  148. 12ax7 Tung Sol(new) Problem
  149. We 350b?
  150. Jensen C12S Impedance?
  151. How to adjust your tube guitar amp
  152. need help changing from 2 to 3 prong Grounded cable for univox u45b project
  153. This Is Too Funny !
  154. Question about biasing my amp.
  155. sharp cutoff pentodes
  156. who used 6SL7?
  157. New Sensor "Tung-Sol" 6V6GT voltages - FYI
  158. stupid nOOb question
  159. Peavey Heritage VTX
  160. who use chinese tube ?
  161. getter problems
  162. Hello and Biasing question
  163. How long do tubes really last?
  164. Anyone got Data sheet for New Sensor "Tung-Sol 6V6GT"?
  165. How Do You Like The JJ X2 Mica 6L6GC
  166. Crate V16 new tubes and speaker
  167. USA Fender 12ax7
  168. Hand made triode; cool!
  169. best 12ax7 for distortion
  170. What is the best 6L6 for a V4?
  171. Brimar 6X5GT - What uF rating
  172. Tubes in Greece!
  173. New Mullard tubes
  174. how much difference does a matched set make?
  175. Where to find modern tube data sheets
  176. Cathode current meter.....build question
  177. Real Reissue KT66's
  178. frequency low down on smaller output tubes
  179. ...vacuum tube THEORY?
  180. How accurate is a "life test"?
  181. 6BQ6 schematic needed
  182. What about TV horizontal deflection tubes as output? I need some schematic with ...
  183. Getting new tubes for blues amp, neep an opinion
  184. Holy mother of God! auction gone nuts
  185. roll your own vacuum tubes
  186. 6V6s
  187. Pin 6 on octal power tubes?
  188. 6021 and 6112 Submini Tubes
  189. Bad Tubes
  190. NOS???
  191. 6V6: 12W or 13W plate dissipation?
  192. Oddball Tubes I'm Looking For
  193. My tube collection!
  194. JJ or EH 7591A?
  195. Wanted: Composite Loadline Chart for P-P 6550 in Class A
  196. Tube Cad / Spice Questions
  197. Eurotubes Any Problems ?
  198. the secret of NOS tubes...
  199. 6L6 replacements
  200. 6N1P Triode. Anyone Familiar?
  201. Lafayette tubes from England ?
  202. National 12AX8's, who made 'em?
  203. 6SJ7 to 12AX7 ??
  204. El34, 6l6, 6v6
  205. metal can 6v6's
  206. Change of Tubes for Marshall DSL 2000 100W
  207. Tung-sol RI 6550 how much can it take?
  208. KT88 / 6550 Bias Questions
  209. where do i start?
  210. Opinions on New Production EF86?
  211. OK! I need help!!!!
  212. Looking for 12ay7/6072 recommendations.
  213. Will bass damage a valve amp?
  214. Tube Recommendations?
  215. High gain pre-amp tube / valve - Question
  216. CBS Rectifier Identification Help Needed
  217. 5AR4 / GZ34 -- Best New Production Tubes?
  218. Who Made the "Realistic Lifetime" EL84?
  219. Old RCA 12ax7
  220. Weird tube death (see "salvaging" post also)
  221. Salvaging valuable tubes - (see "dead" tube post also)
  222. Old tubes - please advice needed (6SC7, 6J7)
  223. best Traynor YBA1 preamp tubes for early breakup?
  224. Opinions of Sovtek tubes
  225. tungsram THANK YOU !!!!!!!
  226. tungsram HELP!!!!
  227. Wit's end with underbiased super
  228. Tubes for AC30CCH
  229. Ampeg V4 and the ECC 832
  230. New Sensor at it again
  231. A Home-Made Triode!??!
  232. ECC83 vs ECC84
  233. The Brick Project
  234. How to ID 12AX7 manufacturer?
  235. Ck512ax
  236. tung sol 12ax7
  237. Is this too good to be true?
  238. tube ID interchange
  239. choosing tubes help?
  240. Jorenz Tubes?????
  241. I found some NOS tubes
  242. Ampeg B-15-N
  243. Groove tubes "Mullard" 12AX7
  244. Rsd 6l6gc
  245. Experiences with 3DG4s?
  246. Anybody try the TAD short bottle 6L6's?
  247. Reissue Mullard EL-34 ??
  248. Mullard 6L6GT
  249. 12DW7, 7247, ECC832 -- A Cool Tube!
  250. 6v6's in a Plexi?