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  1. ECC 807 Brimar
  2. In at the deep end....
  3. Hiwatt hi-gain 50 head
  4. 6Y6GT in a Champ ?
  5. Bias probe
  6. No Sound on Fender Twin Pro All tube
  7. hammond tubes question
  8. Crate blue voodoo 60 watt 2-12 combo problems need advise
  9. Ampeg V4, maximizing headroom, needing real answers...
  10. Yellow Jacket Power Tube Adapter
  11. Hammond 7247
  12. The difference a tube can make
  13. What to do
  14. Laney AOR
  15. Tube Tests and Specs
  16. Duende Criatura?
  17. A Good New 12AY7?
  18. Fender Twin Preamp Question.
  19. Ampeg VL-503 not working tube arent glowing
  20. Ampeg SVT pro 3
  21. ECF80 / 6bl8 New ( not NOS ) ???
  22. 5881 question
  23. Useful Valve Test Reports
  24. Help identify a National Electronics 6l6 tube
  25. Tubes
  26. Phase Inverter tube capability
  27. Mesa boogie recto preamp tube placement values
  28. 12b4a ge jan
  29. 5AS4A acceptable Sub For 5U4G ?
  30. What NEW 12AX7 is BEST
  31. Anyone have info on A rcp 808aa tubetester?
  32. Variable cathode resistor
  33. The original chinese 12AX7's
  34. Making a solid state rectifier
  35. Tube amp death (auto bias-trouble)
  36. 12ax7 trouble
  37. Boy, do I HATE this (new tube rant)!
  38. Changing tubes on a Gibson Goldtone Ga-15
  39. 5u4 rattles on powerup
  40. NOS Russian 6Pi6c Beam Tetrodes
  41. Hammond-labeled tubes - mfr?
  42. JJ 6V6s sturdiness
  43. KT66 questions
  44. Changing Vibroluxe Reverb Custom tubes
  45. 6v6, 6f6
  46. What do these tubes do and can I use them in a THD amp?
  47. dsl 100 bias problem
  48. 12AX7 testing
  49. Kt100
  50. Just curious...
  51. What can folks tell me about 6EJ7 ?
  52. Making a quad out of 2 matched pairs
  53. Transconductance and tube performance
  54. Anyone ever try 6CW5s?
  55. 6G6G power tubes in a 5F2A ??
  56. Help with a tube substitution
  57. TV Tubes
  58. Wanted - High Power, High Voltage, Audio Frequency Transformer Manual
  59. Tube testing question
  60. Tube rectifier wear
  61. I am new to tubes and have been looking for help!
  62. Noisy power tubes
  63. Tube identification: manufacturer logo/markings database?
  64. Yay I got a Telefunken ECC83 for $10
  65. How much light in Power Tubes?
  66. 5Y4GA Rectifier
  67. Soft/Med/Hard Duet...
  68. 6V6 Tubes in a Fender Blues Deluxe Reissue?
  69. 6P6S - Any one used these?
  70. Non-Reissue Tung Sol 5881/6L6WGB, RCA Blackplate 6l6gc Unmatched Pair
  71. An experiment for gassy tubes
  72. 6gw8 replacement?
  73. What brand is this?
  74. 7868 Power Tubes?
  75. 1950s Genuine RCA Radio Tubes and Parts
  76. Tube Education for Blues Deluxe
  77. solid state
  78. 6CA7
  79. '65 Fender Princeton - Tube Suggestions?
  80. Blues Jr. 1 Hot tube
  81. temporary intense glow/dull flash on filament when heaters are turned on
  82. 12AX7 Voltage Problem(s)
  83. Poor little 8CG7
  84. Last word on Sovtek 5881 plate voltages, pleeeeeease.
  85. Using large value screen resistors w/ bypass caps
  86. 5cg8 triode/pentode amp ?
  87. 6SJ7
  88. New Tung-sol 6v6gt voltage
  89. Tube Rattle
  90. Tube Matching
  91. ECC808?
  92. 12ax7 that can handle 400v on the plate!
  93. 6V6G Specs?
  94. Replacement for 12AU6 Tube?
  95. NOS Recto vs New Recto
  96. 5c3 Biasing question
  97. 5881 tube retainers
  98. NOS Source
  99. Weber copper cap Module
  100. 7189A sub?
  101. 6bl8/ecf80 for gain stages
  102. 6L6 headroom, power, and saturation
  103. 6sl7 phase inverter gain stage
  104. 5879 preamp tube
  105. No more Groove Tubes
  106. 6CA4 (EZ81) questions from a n00b. (ELK Stageman bonus pics)
  107. what about Gold Dragon tube
  108. So I got some 6N1P/ECC88's? what should I do with them?
  109. Are these equivalent to anything you know of?
  110. Question about subbing 6V6s for 6L6s
  111. 6V6GT Questions: Fender Champ 5F1
  112. NOS tube guide
  113. Fender Deville 212 Noisey
  114. Caveat on using 6BQ5's in modern EL84 amps!
  115. torroidal trannies question
  116. 6Y6G ST tubes
  117. national gold line 6l6gc
  118. THD Reactive Rectifier
  119. Matched Tube Question
  120. 12AY7EH a hummer?
  121. 12AX7EH CF Failure
  122. circuit diagram
  123. Tube Primer
  124. Best Tubes for Fender Hot Rod Deluxe
  125. hi Fi tubes for geetar amps?
  126. Revolutionary or just another try?
  127. Techtube
  128. Fender/Groove connection
  129. New Tube & Parts "Burn In" - What ???
  130. 5879 preamp tube substitution
  131. Univox Amp Question
  132. reel to reel recorder tube swap
  133. Bugera 6262 help!!
  134. how do I set my Bias?
  135. 12AT7 for Reverb Driver & PI
  136. 6V6 in Class AB1 push-pull mode
  137. Broken GTEL84S (6BQ5) Tube - Works?
  138. Woohoo KT88s
  139. 6N2P-EV Tubes
  140. I have an 6F1P tube, what can I do with it?
  141. strange amp, questions
  142. Increasing distortioin in PP 6L6
  143. NOS Mullard 12AX7 prices
  144. Tube Diving
  145. crate vc 50 3x10
  146. Preamp tubes problem
  147. 6550 Tube Types
  148. 6N6p
  149. Traynor 40 YVC - 1 of 2 tubes out!
  150. Mullards El34's Vs. Svetlana 34's
  151. Do old guitar tubes have any value?
  152. tube ratings?
  153. marshall 800
  154. marshall 2203 tubes
  155. 5U4G vs 5U4GB
  156. 12ax7 Tung Sol(new) Problem
  157. We 350b?
  158. Jensen C12S Impedance?
  159. How to adjust your tube guitar amp
  160. need help changing from 2 to 3 prong Grounded cable for univox u45b project
  161. This Is Too Funny !
  162. Question about biasing my amp.
  163. sharp cutoff pentodes
  164. who used 6SL7?
  165. New Sensor "Tung-Sol" 6V6GT voltages - FYI
  166. stupid nOOb question
  167. Peavey Heritage VTX
  168. who use chinese tube ?
  169. getter problems
  170. Hello and Biasing question
  171. How long do tubes really last?
  172. Anyone got Data sheet for New Sensor "Tung-Sol 6V6GT"?
  173. How Do You Like The JJ X2 Mica 6L6GC
  174. Crate V16 new tubes and speaker
  175. USA Fender 12ax7
  176. Hand made triode; cool!
  177. best 12ax7 for distortion
  178. What is the best 6L6 for a V4?
  179. Brimar 6X5GT - What uF rating
  180. Tubes in Greece!
  181. New Mullard tubes
  182. how much difference does a matched set make?
  183. Where to find modern tube data sheets
  184. Cathode current meter.....build question
  185. Real Reissue KT66's
  186. frequency low down on smaller output tubes
  187. ...vacuum tube THEORY?
  188. How accurate is a "life test"?
  189. 6BQ6 schematic needed
  190. What about TV horizontal deflection tubes as output? I need some schematic with ...
  191. Getting new tubes for blues amp, neep an opinion
  192. Holy mother of God! auction gone nuts
  193. roll your own vacuum tubes
  194. 6V6s
  195. Pin 6 on octal power tubes?
  196. 6021 and 6112 Submini Tubes
  197. Bad Tubes
  198. NOS???
  199. 6V6: 12W or 13W plate dissipation?
  200. Oddball Tubes I'm Looking For
  201. My tube collection!
  202. JJ or EH 7591A?
  203. Wanted: Composite Loadline Chart for P-P 6550 in Class A
  204. Tube Cad / Spice Questions
  205. Eurotubes Any Problems ?
  206. the secret of NOS tubes...
  207. 6L6 replacements
  208. 6N1P Triode. Anyone Familiar?
  209. Lafayette tubes from England ?
  210. National 12AX8's, who made 'em?
  211. 6SJ7 to 12AX7 ??
  212. El34, 6l6, 6v6
  213. metal can 6v6's
  214. Change of Tubes for Marshall DSL 2000 100W
  215. Tung-sol RI 6550 how much can it take?
  216. KT88 / 6550 Bias Questions
  217. where do i start?
  218. Opinions on New Production EF86?
  219. OK! I need help!!!!
  220. Looking for 12ay7/6072 recommendations.
  221. Will bass damage a valve amp?
  222. Tube Recommendations?
  223. High gain pre-amp tube / valve - Question
  224. CBS Rectifier Identification Help Needed
  225. 5AR4 / GZ34 -- Best New Production Tubes?
  226. Who Made the "Realistic Lifetime" EL84?
  227. Old RCA 12ax7
  228. Weird tube death (see "salvaging" post also)
  229. Salvaging valuable tubes - (see "dead" tube post also)
  230. Old tubes - please advice needed (6SC7, 6J7)
  231. best Traynor YBA1 preamp tubes for early breakup?
  232. Opinions of Sovtek tubes
  233. tungsram THANK YOU !!!!!!!
  234. tungsram HELP!!!!
  235. Wit's end with underbiased super
  236. Tubes for AC30CCH
  237. Ampeg V4 and the ECC 832
  238. New Sensor at it again
  239. A Home-Made Triode!??!
  240. ECC83 vs ECC84
  241. The Brick Project
  242. How to ID 12AX7 manufacturer?
  243. Ck512ax
  244. tung sol 12ax7
  245. Is this too good to be true?
  246. tube ID interchange
  247. choosing tubes help?
  248. Jorenz Tubes?????
  249. I found some NOS tubes
  250. Ampeg B-15-N