PDA

View Full Version : Tubes (Valves)



Pages : 1 [2] 3

  1. Cabs suited for Vox AC50
  2. legacy vl100
  3. I need Help with this tube "8CW5/XL86
  4. Amp should be 100 watts but low on power, why?
  5. 6sl7/12sl7 experimentation ?s'
  6. Question about Tube Output Power
  7. I have some general Q's about tubes!
  8. Question about tube glow.
  9. Hiwatt hi-gain 50 head biasing review
  10. Do different make 12AX7 tubes sound different? and why?
  11. 12at7 labeled as 12ax7
  12. Good Sounding Tubes
  13. New Tubes and disaster
  14. ECC 807 Brimar
  15. In at the deep end....
  16. Hiwatt hi-gain 50 head
  17. 6Y6GT in a Champ ?
  18. Bias probe
  19. No Sound on Fender Twin Pro All tube
  20. hammond tubes question
  21. Crate blue voodoo 60 watt 2-12 combo problems need advise
  22. Ampeg V4, maximizing headroom, needing real answers...
  23. Yellow Jacket Power Tube Adapter
  24. Hammond 7247
  25. The difference a tube can make
  26. What to do
  27. Laney AOR
  28. Tube Tests and Specs
  29. Duende Criatura?
  30. A Good New 12AY7?
  31. Fender Twin Preamp Question.
  32. Ampeg VL-503 not working tube arent glowing
  33. Ampeg SVT pro 3
  34. ECF80 / 6bl8 New ( not NOS ) ???
  35. 5881 question
  36. Useful Valve Test Reports
  37. Help identify a National Electronics 6l6 tube
  38. Tubes
  39. Phase Inverter tube capability
  40. Mesa boogie recto preamp tube placement values
  41. 12b4a ge jan
  42. 5AS4A acceptable Sub For 5U4G ?
  43. What NEW 12AX7 is BEST
  44. Anyone have info on A rcp 808aa tubetester?
  45. Variable cathode resistor
  46. The original chinese 12AX7's
  47. Making a solid state rectifier
  48. Tube amp death (auto bias-trouble)
  49. 12ax7 trouble
  50. Boy, do I HATE this (new tube rant)!
  51. Changing tubes on a Gibson Goldtone Ga-15
  52. 5u4 rattles on powerup
  53. NOS Russian 6Pi6c Beam Tetrodes
  54. Hammond-labeled tubes - mfr?
  55. JJ 6V6s sturdiness
  56. KT66 questions
  57. Changing Vibroluxe Reverb Custom tubes
  58. 6v6, 6f6
  59. What do these tubes do and can I use them in a THD amp?
  60. dsl 100 bias problem
  61. 12AX7 testing
  62. Kt100
  63. Just curious...
  64. What can folks tell me about 6EJ7 ?
  65. Making a quad out of 2 matched pairs
  66. Transconductance and tube performance
  67. Anyone ever try 6CW5s?
  68. 6G6G power tubes in a 5F2A ??
  69. Help with a tube substitution
  70. TV Tubes
  71. Wanted - High Power, High Voltage, Audio Frequency Transformer Manual
  72. Tube testing question
  73. Tube rectifier wear
  74. I am new to tubes and have been looking for help!
  75. Noisy power tubes
  76. Tube identification: manufacturer logo/markings database?
  77. Yay I got a Telefunken ECC83 for $10
  78. How much light in Power Tubes?
  79. 5Y4GA Rectifier
  80. Soft/Med/Hard Duet...
  81. 6V6 Tubes in a Fender Blues Deluxe Reissue?
  82. 6P6S - Any one used these?
  83. Non-Reissue Tung Sol 5881/6L6WGB, RCA Blackplate 6l6gc Unmatched Pair
  84. An experiment for gassy tubes
  85. 6gw8 replacement?
  86. What brand is this?
  87. 7868 Power Tubes?
  88. 1950s Genuine RCA Radio Tubes and Parts
  89. Tube Education for Blues Deluxe
  90. solid state
  91. 6CA7
  92. '65 Fender Princeton - Tube Suggestions?
  93. Blues Jr. 1 Hot tube
  94. temporary intense glow/dull flash on filament when heaters are turned on
  95. 12AX7 Voltage Problem(s)
  96. Poor little 8CG7
  97. Last word on Sovtek 5881 plate voltages, pleeeeeease.
  98. Using large value screen resistors w/ bypass caps
  99. 5cg8 triode/pentode amp ?
  100. 6SJ7
  101. New Tung-sol 6v6gt voltage
  102. Tube Rattle
  103. Tube Matching
  104. ECC808?
  105. 12ax7 that can handle 400v on the plate!
  106. 6V6G Specs?
  107. Replacement for 12AU6 Tube?
  108. NOS Recto vs New Recto
  109. 5c3 Biasing question
  110. 5881 tube retainers
  111. NOS Source
  112. Weber copper cap Module
  113. 7189A sub?
  114. 6bl8/ecf80 for gain stages
  115. 6L6 headroom, power, and saturation
  116. 6sl7 phase inverter gain stage
  117. 5879 preamp tube
  118. No more Groove Tubes
  119. 6CA4 (EZ81) questions from a n00b. (ELK Stageman bonus pics)
  120. what about Gold Dragon tube
  121. So I got some 6N1P/ECC88's? what should I do with them?
  122. Are these equivalent to anything you know of?
  123. Question about subbing 6V6s for 6L6s
  124. 6V6GT Questions: Fender Champ 5F1
  125. NOS tube guide
  126. Fender Deville 212 Noisey
  127. Caveat on using 6BQ5's in modern EL84 amps!
  128. torroidal trannies question
  129. 6Y6G ST tubes
  130. national gold line 6l6gc
  131. THD Reactive Rectifier
  132. Matched Tube Question
  133. 12AY7EH a hummer?
  134. 12AX7EH CF Failure
  135. circuit diagram
  136. Tube Primer
  137. Best Tubes for Fender Hot Rod Deluxe
  138. hi Fi tubes for geetar amps?
  139. Revolutionary or just another try?
  140. Techtube
  141. Fender/Groove connection
  142. New Tube & Parts "Burn In" - What ???
  143. 5879 preamp tube substitution
  144. Univox Amp Question
  145. reel to reel recorder tube swap
  146. Bugera 6262 help!!
  147. how do I set my Bias?
  148. 12AT7 for Reverb Driver & PI
  149. 6V6 in Class AB1 push-pull mode
  150. Broken GTEL84S (6BQ5) Tube - Works?
  151. Woohoo KT88s
  152. 6N2P-EV Tubes
  153. I have an 6F1P tube, what can I do with it?
  154. strange amp, questions
  155. Increasing distortioin in PP 6L6
  156. NOS Mullard 12AX7 prices
  157. Tube Diving
  158. crate vc 50 3x10
  159. Preamp tubes problem
  160. 6550 Tube Types
  161. 6N6p
  162. Traynor 40 YVC - 1 of 2 tubes out!
  163. Mullards El34's Vs. Svetlana 34's
  164. Do old guitar tubes have any value?
  165. tube ratings?
  166. marshall 800
  167. marshall 2203 tubes
  168. 5U4G vs 5U4GB
  169. 12ax7 Tung Sol(new) Problem
  170. We 350b?
  171. Jensen C12S Impedance?
  172. How to adjust your tube guitar amp
  173. need help changing from 2 to 3 prong Grounded cable for univox u45b project
  174. This Is Too Funny !
  175. Question about biasing my amp.
  176. sharp cutoff pentodes
  177. who used 6SL7?
  178. New Sensor "Tung-Sol" 6V6GT voltages - FYI
  179. stupid nOOb question
  180. Peavey Heritage VTX
  181. who use chinese tube ?
  182. getter problems
  183. Hello and Biasing question
  184. How long do tubes really last?
  185. Anyone got Data sheet for New Sensor "Tung-Sol 6V6GT"?
  186. How Do You Like The JJ X2 Mica 6L6GC
  187. Crate V16 new tubes and speaker
  188. USA Fender 12ax7
  189. Hand made triode; cool!
  190. best 12ax7 for distortion
  191. What is the best 6L6 for a V4?
  192. Brimar 6X5GT - What uF rating
  193. Tubes in Greece!
  194. New Mullard tubes
  195. how much difference does a matched set make?
  196. Where to find modern tube data sheets
  197. Cathode current meter.....build question
  198. Real Reissue KT66's
  199. frequency low down on smaller output tubes
  200. ...vacuum tube THEORY?
  201. How accurate is a "life test"?
  202. 6BQ6 schematic needed
  203. What about TV horizontal deflection tubes as output? I need some schematic with ...
  204. Getting new tubes for blues amp, neep an opinion
  205. Holy mother of God! auction gone nuts
  206. roll your own vacuum tubes
  207. 6V6s
  208. Pin 6 on octal power tubes?
  209. 6021 and 6112 Submini Tubes
  210. Bad Tubes
  211. NOS???
  212. 6V6: 12W or 13W plate dissipation?
  213. Oddball Tubes I'm Looking For
  214. My tube collection!
  215. JJ or EH 7591A?
  216. Wanted: Composite Loadline Chart for P-P 6550 in Class A
  217. Tube Cad / Spice Questions
  218. Eurotubes Any Problems ?
  219. the secret of NOS tubes...
  220. 6L6 replacements
  221. 6N1P Triode. Anyone Familiar?
  222. Lafayette tubes from England ?
  223. National 12AX8's, who made 'em?
  224. 6SJ7 to 12AX7 ??
  225. El34, 6l6, 6v6
  226. metal can 6v6's
  227. Change of Tubes for Marshall DSL 2000 100W
  228. Tung-sol RI 6550 how much can it take?
  229. KT88 / 6550 Bias Questions
  230. where do i start?
  231. Opinions on New Production EF86?
  232. OK! I need help!!!!
  233. Looking for 12ay7/6072 recommendations.
  234. Will bass damage a valve amp?
  235. Tube Recommendations?
  236. High gain pre-amp tube / valve - Question
  237. CBS Rectifier Identification Help Needed
  238. 5AR4 / GZ34 -- Best New Production Tubes?
  239. Who Made the "Realistic Lifetime" EL84?
  240. Old RCA 12ax7
  241. Weird tube death (see "salvaging" post also)
  242. Salvaging valuable tubes - (see "dead" tube post also)
  243. Old tubes - please advice needed (6SC7, 6J7)
  244. best Traynor YBA1 preamp tubes for early breakup?
  245. Opinions of Sovtek tubes
  246. tungsram THANK YOU !!!!!!!
  247. tungsram HELP!!!!
  248. Wit's end with underbiased super
  249. Tubes for AC30CCH
  250. Ampeg V4 and the ECC 832