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  1. JCM800 Preamp Clone - Wierd Distortion (oscilloscope pic)
  2. "Shield" brand 6BQ5 Torched Screen Resistors
  3. Preamp tubes
  4. Jan Philips 6L6WGB
  5. Mesa Boogie tubes
  6. R.I.P. CV4004.....Any tube sob stories?
  7. 5Y3 EZ81?
  8. Tube Slag
  9. my NOS 5y3 is not working. bad tube?
  10. Old Hammond Tubes??
  11. Cabs suited for Vox AC50
  12. legacy vl100
  13. I need Help with this tube "8CW5/XL86
  14. Amp should be 100 watts but low on power, why?
  15. 6sl7/12sl7 experimentation ?s'
  16. Question about Tube Output Power
  17. I have some general Q's about tubes!
  18. Question about tube glow.
  19. Hiwatt hi-gain 50 head biasing review
  20. Do different make 12AX7 tubes sound different? and why?
  21. 12at7 labeled as 12ax7
  22. Good Sounding Tubes
  23. New Tubes and disaster
  24. ECC 807 Brimar
  25. In at the deep end....
  26. Hiwatt hi-gain 50 head
  27. 6Y6GT in a Champ ?
  28. Bias probe
  29. No Sound on Fender Twin Pro All tube
  30. hammond tubes question
  31. Crate blue voodoo 60 watt 2-12 combo problems need advise
  32. Ampeg V4, maximizing headroom, needing real answers...
  33. Yellow Jacket Power Tube Adapter
  34. Hammond 7247
  35. The difference a tube can make
  36. What to do
  37. Laney AOR
  38. Tube Tests and Specs
  39. Duende Criatura?
  40. A Good New 12AY7?
  41. Fender Twin Preamp Question.
  42. Ampeg VL-503 not working tube arent glowing
  43. Ampeg SVT pro 3
  44. ECF80 / 6bl8 New ( not NOS ) ???
  45. 5881 question
  46. Useful Valve Test Reports
  47. Help identify a National Electronics 6l6 tube
  48. Tubes
  49. Phase Inverter tube capability
  50. Mesa boogie recto preamp tube placement values
  51. 12b4a ge jan
  52. 5AS4A acceptable Sub For 5U4G ?
  53. What NEW 12AX7 is BEST
  54. Anyone have info on A rcp 808aa tubetester?
  55. Variable cathode resistor
  56. The original chinese 12AX7's
  57. Making a solid state rectifier
  58. Tube amp death (auto bias-trouble)
  59. 12ax7 trouble
  60. Boy, do I HATE this (new tube rant)!
  61. Changing tubes on a Gibson Goldtone Ga-15
  62. 5u4 rattles on powerup
  63. NOS Russian 6Pi6c Beam Tetrodes
  64. Hammond-labeled tubes - mfr?
  65. JJ 6V6s sturdiness
  66. KT66 questions
  67. Changing Vibroluxe Reverb Custom tubes
  68. 6v6, 6f6
  69. What do these tubes do and can I use them in a THD amp?
  70. dsl 100 bias problem
  71. 12AX7 testing
  72. Kt100
  73. Just curious...
  74. What can folks tell me about 6EJ7 ?
  75. Making a quad out of 2 matched pairs
  76. Transconductance and tube performance
  77. Anyone ever try 6CW5s?
  78. 6G6G power tubes in a 5F2A ??
  79. Help with a tube substitution
  80. TV Tubes
  81. Wanted - High Power, High Voltage, Audio Frequency Transformer Manual
  82. Tube testing question
  83. Tube rectifier wear
  84. I am new to tubes and have been looking for help!
  85. Noisy power tubes
  86. Tube identification: manufacturer logo/markings database?
  87. Yay I got a Telefunken ECC83 for $10
  88. How much light in Power Tubes?
  89. 5Y4GA Rectifier
  90. Soft/Med/Hard Duet...
  91. 6V6 Tubes in a Fender Blues Deluxe Reissue?
  92. 6P6S - Any one used these?
  93. Non-Reissue Tung Sol 5881/6L6WGB, RCA Blackplate 6l6gc Unmatched Pair
  94. An experiment for gassy tubes
  95. 6gw8 replacement?
  96. What brand is this?
  97. 7868 Power Tubes?
  98. 1950s Genuine RCA Radio Tubes and Parts
  99. Tube Education for Blues Deluxe
  100. solid state
  101. 6CA7
  102. '65 Fender Princeton - Tube Suggestions?
  103. Blues Jr. 1 Hot tube
  104. temporary intense glow/dull flash on filament when heaters are turned on
  105. 12AX7 Voltage Problem(s)
  106. Poor little 8CG7
  107. Last word on Sovtek 5881 plate voltages, pleeeeeease.
  108. Using large value screen resistors w/ bypass caps
  109. 5cg8 triode/pentode amp ?
  110. 6SJ7
  111. New Tung-sol 6v6gt voltage
  112. Tube Rattle
  113. Tube Matching
  114. ECC808?
  115. 12ax7 that can handle 400v on the plate!
  116. 6V6G Specs?
  117. Replacement for 12AU6 Tube?
  118. NOS Recto vs New Recto
  119. 5c3 Biasing question
  120. 5881 tube retainers
  121. NOS Source
  122. Weber copper cap Module
  123. 7189A sub?
  124. 6bl8/ecf80 for gain stages
  125. 6L6 headroom, power, and saturation
  126. 6sl7 phase inverter gain stage
  127. 5879 preamp tube
  128. No more Groove Tubes
  129. 6CA4 (EZ81) questions from a n00b. (ELK Stageman bonus pics)
  130. what about Gold Dragon tube
  131. So I got some 6N1P/ECC88's? what should I do with them?
  132. Are these equivalent to anything you know of?
  133. Question about subbing 6V6s for 6L6s
  134. 6V6GT Questions: Fender Champ 5F1
  135. NOS tube guide
  136. Fender Deville 212 Noisey
  137. Caveat on using 6BQ5's in modern EL84 amps!
  138. torroidal trannies question
  139. 6Y6G ST tubes
  140. national gold line 6l6gc
  141. THD Reactive Rectifier
  142. Matched Tube Question
  143. 12AY7EH a hummer?
  144. 12AX7EH CF Failure
  145. circuit diagram
  146. Tube Primer
  147. Best Tubes for Fender Hot Rod Deluxe
  148. hi Fi tubes for geetar amps?
  149. Revolutionary or just another try?
  150. Techtube
  151. Fender/Groove connection
  152. New Tube & Parts "Burn In" - What ???
  153. 5879 preamp tube substitution
  154. Univox Amp Question
  155. reel to reel recorder tube swap
  156. Bugera 6262 help!!
  157. how do I set my Bias?
  158. 12AT7 for Reverb Driver & PI
  159. 6V6 in Class AB1 push-pull mode
  160. Broken GTEL84S (6BQ5) Tube - Works?
  161. Woohoo KT88s
  162. 6N2P-EV Tubes
  163. I have an 6F1P tube, what can I do with it?
  164. strange amp, questions
  165. Increasing distortioin in PP 6L6
  166. NOS Mullard 12AX7 prices
  167. Tube Diving
  168. crate vc 50 3x10
  169. Preamp tubes problem
  170. 6550 Tube Types
  171. 6N6p
  172. Traynor 40 YVC - 1 of 2 tubes out!
  173. Mullards El34's Vs. Svetlana 34's
  174. Do old guitar tubes have any value?
  175. tube ratings?
  176. marshall 800
  177. marshall 2203 tubes
  178. 5U4G vs 5U4GB
  179. 12ax7 Tung Sol(new) Problem
  180. We 350b?
  181. Jensen C12S Impedance?
  182. How to adjust your tube guitar amp
  183. need help changing from 2 to 3 prong Grounded cable for univox u45b project
  184. This Is Too Funny !
  185. Question about biasing my amp.
  186. sharp cutoff pentodes
  187. who used 6SL7?
  188. New Sensor "Tung-Sol" 6V6GT voltages - FYI
  189. stupid nOOb question
  190. Peavey Heritage VTX
  191. who use chinese tube ?
  192. getter problems
  193. Hello and Biasing question
  194. How long do tubes really last?
  195. Anyone got Data sheet for New Sensor "Tung-Sol 6V6GT"?
  196. How Do You Like The JJ X2 Mica 6L6GC
  197. Crate V16 new tubes and speaker
  198. USA Fender 12ax7
  199. Hand made triode; cool!
  200. best 12ax7 for distortion
  201. What is the best 6L6 for a V4?
  202. Brimar 6X5GT - What uF rating
  203. Tubes in Greece!
  204. New Mullard tubes
  205. how much difference does a matched set make?
  206. Where to find modern tube data sheets
  207. Cathode current meter.....build question
  208. Real Reissue KT66's
  209. frequency low down on smaller output tubes
  210. ...vacuum tube THEORY?
  211. How accurate is a "life test"?
  212. 6BQ6 schematic needed
  213. What about TV horizontal deflection tubes as output? I need some schematic with ...
  214. Getting new tubes for blues amp, neep an opinion
  215. Holy mother of God! auction gone nuts
  216. roll your own vacuum tubes
  217. 6V6s
  218. Pin 6 on octal power tubes?
  219. 6021 and 6112 Submini Tubes
  220. Bad Tubes
  221. NOS???
  222. 6V6: 12W or 13W plate dissipation?
  223. Oddball Tubes I'm Looking For
  224. My tube collection!
  225. JJ or EH 7591A?
  226. Wanted: Composite Loadline Chart for P-P 6550 in Class A
  227. Tube Cad / Spice Questions
  228. Eurotubes Any Problems ?
  229. the secret of NOS tubes...
  230. 6L6 replacements
  231. 6N1P Triode. Anyone Familiar?
  232. Lafayette tubes from England ?
  233. National 12AX8's, who made 'em?
  234. 6SJ7 to 12AX7 ??
  235. El34, 6l6, 6v6
  236. metal can 6v6's
  237. Change of Tubes for Marshall DSL 2000 100W
  238. Tung-sol RI 6550 how much can it take?
  239. KT88 / 6550 Bias Questions
  240. where do i start?
  241. Opinions on New Production EF86?
  242. OK! I need help!!!!
  243. Looking for 12ay7/6072 recommendations.
  244. Will bass damage a valve amp?
  245. Tube Recommendations?
  246. High gain pre-amp tube / valve - Question
  247. CBS Rectifier Identification Help Needed
  248. 5AR4 / GZ34 -- Best New Production Tubes?
  249. Who Made the "Realistic Lifetime" EL84?
  250. Old RCA 12ax7