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  1. arcing in rectifier tube
  2. 1/8" Aluminum for top plate?
  3. Shopping list
  4. 6sn7 valves
  5. Neon flashes with the music
  6. Help in SE 807 amp
  7. naim user defects to valves !
  8. tamura opt need help
  9. Line stage question
  10. Tube question, how to read the difference.
  11. What Tube amp for Biginner?
  12. Leak Stereo 20 rebuild/restore question
  13. Is there any advantage in using preamp tubes in output stages ??
  14. 12b4 as PP output tubes
  15. Valves stripped bare….
  16. Anybody know this TUBE?
  17. Noob Q: are the efficiency figures for valve amps the same as with transistors?
  18. Need help understanding something about UL stages
  19. I'd like to make a simple 50 amplifier
  20. gates tube pre-amp info??
  21. OT - To those who correspond with me....
  22. Could use info on Grommes + knight.
  23. Single Ended Ultra linear, anyone built one?
  24. Audio Innovations 800 Anniversary problem
  25. Transformer coupled 6SN7 push-pull DAC output stage?
  26. Vkh max voltage
  27. Mosfet differences with valves
  28. Need schematic - Audio Research LS2B MKII
  29. EL84M specs.
  30. What to do with these?
  31. Dyna Mk IV Driver Boards
  32. OTL driving series arrays
  33. Voltage problem
  34. Amp intermittently blowing fuse at power up
  35. Worlds Best Preamp
  36. Heathkit TT-1A Calibration
  37. surplus 12ax7a
  38. Phase Splitter as input stage
  39. DHT DC heater question
  40. Wanted-Assembly manual for Scott LK-150
  41. Happy new year, sophielove.
  42. Need UTC PVM-3 primary ?
  43. power amp for small studio
  44. Preamp
  45. Problems with EICO HF-12 amp.
  46. Technics SU-30A's schema???
  47. Tube PWM driver
  48. Tungsram tube data
  49. S-5 Electronics K-12M (11MS8) 8 wpc PP Tube Amp Kit ($139)
  50. sharp cutoff pentode
  51. JJ E34L failure(s)
  52. Valve effects loop
  53. Bruce Moore "Companion" - Schematic
  54. CT impedence mismatch?
  55. Tube multiplex adapter parts replacement
  56. SY gets jiggy (5692 measurements)
  57. Tube Drag Racing!
  58. OTL, quick `n dirty
  59. 6V6 stereo amp
  60. humming from amplifier
  61. Mesa boogie
  62. Any tube audiophile in New Dephli, India
  63. What are terminal 1 & 4 of 300B tube
  64. Tube Nube - need advice on Scott LK150
  65. Pentode AB1 or AB2?
  66. #56 tube line stage
  67. **** another unusual hum problem !!
  68. Any comments on Eico HF-14 and HF-85
  69. sensitivities of amplifier configurations
  70. Building a Sun Audio sv 300b Mk II clone
  71. wanted information! vellman vaa-70 tube amp
  72. old tubes, what to do?
  73. Knowledge needed. Need answer to basic yet puzzling question.
  74. tubes 5965A and 5814A
  75. 6s4a as driver for 6as7 in SEAmp
  76. Tube Manufactures Cross references
  77. KT88 vs. KT90 bench test
  78. Variable Voltage Technology(uk) iron
  79. Tutorial: building techniques
  80. Anyone tried UL or Triode connecting the $140 kit ?
  81. Using microphone transformers as phase splitters .
  82. Tube Cooling Recommendations
  83. WE 300B Vs &&&&
  84. Line stage board off from overseas. problems
  85. Volume control for tube amplifier ??
  86. Mro Pt8
  87. looking for se 811 schematics
  88. 6ar5??
  89. bias meter
  90. 829B/3E29 datasheet triodemode
  91. A better triode strap?
  92. outputtransformer data needed
  93. info wanted about a output transformer
  94. WE316a/VT191 triode
  95. electrolytic can capacitor
  96. Bogen DS-225
  97. PPP KT66, Jensen P15N, Hammond PowTran 378CX/193L Choke
  98. 6V6GT and 6L6GT
  99. Unknown vaccumtubes
  100. Milleroux OPT
  101. Tube equalents.
  102. Western Electric 300B
  103. AVVT Tubes
  104. PAS phono. (curcio)
  105. Suitable Transformer for Etude 12B4A
  106. SE tube in mono amp
  107. Pentode current sink - how to connect the control grid?
  108. where are audio equipments in Beijing?
  109. Mullard 3-3 Question
  110. Grounded Grid w/ remote volume
  111. Modifying (Reducing) Screen Voltage
  112. coupling caps
  113. Single Stage Inverting or no?
  114. Using KT88 to build a monster champ amp?
  115. bias arrangements for P-P amps.
  116. Beginner's heaphone amp?
  117. Bridging
  118. Valve circuit in I, Robot
  119. ECC33, 34, 35 tubes?
  120. Help!! any good EL3n Push Pull circuits????
  121. What PP circuit to use for 6SN7 and 2a3?
  122. Stage classification and efficiency
  123. 2x8w SET choice.
  124. 10-15 mu DHT?
  125. Possible computer speaker amp
  126. Help me make a preamp decision
  127. Plitron PAT4006 - advice please
  128. Big valve
  129. Need help with PP pentode design
  130. EQ-circuits.
  131. measuring the power choke inductance confusion
  132. Single-end... which tube?
  133. bias voltage for 6BQ5 plate
  134. Fender Twin
  135. small poweramp with 12AH7 and 6AU6WA...
  136. Layout Check
  137. auto component placer with tube PCB prints
  138. Hammond 300BX for a Dynaco modified Mullard 5-20 circuit
  139. Audio Electronics Supply AE-1 problems
  140. Cunningham CX 301A
  141. Quicksilver zener diode mod
  142. ELC7? I need help to identify this valve
  143. Spice 3f4 "Koren" models
  144. parallel or push-pull
  145. Isolation
  146. Telefunken 6SN7; Are They Imported Or Genuine TFK MFD?
  147. Magic Gu15
  148. Help identifing RCA transformer
  149. Problem with tube overheating. PLEASE HELP
  150. Battery powered phono.
  151. Ancient Valve Amp and Rola Speaker PLEASE HELP!
  152. converting Heathkit AA-191 to a guitar amp
  153. Has anyone used a triode as a shunt regulator?
  154. EL84 SE design recommendations?
  155. need a good low parts phono tube preamp schematic....
  156. Shunt Feedback - effect on input impedance
  157. searching bogen db10a schematic
  158. Swinging choke?
  159. Schematic help. (thread split)
  160. Playing with a Magic Eye.
  161. A music coming from component.
  162. DIY meeting in Belgium ?
  163. EL34 Push Pull weirdness
  164. Balancing DC-coupled differential stages
  165. Jadis JPS 2 schematic
  166. Leak Stereo20 rebuild ?
  167. Vintage amp rebuild advice
  168. simple 6v6 push-pull schematic ?
  169. valve newbie; 6H1H pre-amp.
  170. Polyprops as cathode bypass
  171. Eventual 300B advice welcome!
  172. Thinking about getting into Tubes, any kit recommendations?
  173. Another Mullard 5-20.
  174. Subbing EL86 (6CW5) for EL84
  175. Valve Warmer/Distortion PCB
  176. Having a problem with building this 6C45 PP amp.
  177. Blue glow in tube. Is the tube dead or not?
  178. Repairing VTL TL2.5
  179. Another ECL86 (integrated this time)
  180. CJ MV55 triode mode
  181. Mullard 20W Amp
  182. Pro Model Tubes,for example Avalon
  183. How to find out which is which????
  184. Matching a preamp to high output impedance source
  185. VSE PP1 driver stage
  186. Thordarson Choke type 1-8C42
  187. Ediswan ECL86 datasheet wanted.
  188. Minimal approach with hybrid rectification: Is this possible?
  189. SS vs. Tube Rectification (and chokes)?
  190. Biasing a guitar amp for distortion
  191. Help wanted on SRPP preamp
  192. New Pas Question no photos
  193. amp-schematic questions...
  194. 5902 subminiature audio pentode
  195. TPP versus PSE.
  196. my fun....
  197. Schematic for Siemens F2a tube amp
  198. Snubber
  199. Which preamp ?
  200. Distortion+low volume..
  201. JJ Tesla
  202. Dynaco Pas
  203. feedback resistor
  204. Grid stoppers?
  205. Transcendent T8 with 12 output tubes
  206. Can anyone recommend a good buffer circuit
  207. happy with my MC-25
  208. A building block approach to valve amp design
  209. math quiz- input z triode amp
  210. Need help in circuit analysis
  211. learning how to do this
  212. 5687 and ccs?
  213. Improving damping factor for OTL
  214. Solid State delay on turn on relay.
  215. output transformer 9030/3
  216. Dynaco MKIII: new power cord
  217. 50C5 add-on amp
  218. Finished my stereo amp!!
  219. spl for 300b, kt88
  220. 2A3 tube review
  221. Audio Transformer Query
  222. Lafayette Phono preamp.
  223. Power transformer help
  224. EL84 SE question
  225. Pop/crackle in one channel
  226. 6GM8 Operating Point
  227. Propper grounding.
  228. EL34 plate glowing?
  229. wavlength audio cardinal
  230. help for tube noob
  231. Placing the powertransformer
  232. Tube audio periodicals
  233. PSU Question
  234. AudioInnovation 400
  235. c3g connections
  236. 6c33c-b Se
  237. tube preamp distortion
  238. What do you guys use to drill holes on chassis??
  239. S.E Problem.Urgent help Please!
  240. 6CA7, El34 or 5881?
  241. svetlana tubes
  242. 18C51 tube help!
  243. Power Tubes
  244. OTL PS question!!
  245. suggestions for the "lowest noise" pentode
  246. drd c3g/300b - help needed
  247. tubecad is back
  248. Happy birthday to tubes. Happy birthday to tubes. !
  249. Anyone used...gulp...kitparts.com?
  250. Grounding the Decware Se84sc

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