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  1. Melbourne, Australia valve enthusiasts check in!
  2. HELP! Blown R + HIGH V!
  3. PCB Pad Layout for B9A Noval
  4. DIY tube amps - help??
  5. New home made S.E amps
  6. Amplifier Oscillation
  7. First project, need guidance
  8. Cap max value after 6X5GT/EZ35 rectifier?
  9. Any tube-heads in Scotland?
  10. Care and Feeding of Tube Pins / Sockets
  11. MFA Luminescence--need schematic
  12. Tube technology amplifier
  13. Transformer questions
  14. Siemens C3g headamp problem
  15. rca83 hash?
  16. Skyline SK-10 Amplifier info?
  17. Tube Stereo Consoles from Thrift Stores
  18. Aikido amp theoretical questions
  19. 6V6 Single and 12AT7 SRPP
  20. What 45 SET amp should I build?
  21. Ping. Burnedfingers...
  22. ? problem with www.ampwares.com ?
  23. Pentode spud...?
  24. Type 46 as voltage amplifier
  25. Tube compressor problem!
  26. Using the 83
  27. Organ amp project
  28. Any feedback on these trannies?
  29. 300B PP bias and expected life time
  30. Mono block restoration
  31. Question about cathode bypass capacitor
  32. www.diytube.com Kits
  33. need help!
  34. Need opinion on PS for tube preamp.
  35. Stanley Mullard
  36. 6AK4, Anyone?
  37. interstage transformer
  38. Are matched sets important for this amp?
  39. What to do with ECC88's?
  40. EL38's ?
  41. Cables/tubes for Valve Amp
  42. 8233 / E55L Applications
  43. amplimo budget outputtransformer
  44. Output Transformers for WE-437a WOT Line Preamp
  45. plate resistor, input lead
  46. KT88 PP with Class-A/Class-AB switch
  47. very loud preamp
  48. Pentode current sink
  49. Hammond vs. James?
  50. Tubes for Scott Nixon dac
  51. James SE OPT for 300B & 2A3 on eBay
  52. pre-amp with 6as7??
  53. pre-amp with voltage gain from transformer only
  54. Help! Mystery tube (?) amp (type: HK56)
  55. Regulate the high voltage making better sound? (Preamp)
  56. Power Transformer
  57. Potentiometers UK
  58. AC 120V, neutral, hot, ground
  59. Counterpoint SA-220 Tube section advice needed
  60. 807 Amp
  61. Help me to choose the adequate ferrites
  62. Looking for KT88 circuits.
  63. Building a power amp - help
  64. Sovtek EL34WXT.
  65. Microphonic
  66. preamp gain and output transformer question
  67. Would an s5 K-12M kit suffice?
  68. 6c45 and passive volume control?
  69. Something of Interest to Newbies
  70. Fender Output transformer as an audio amp part
  71. Chinese Tube Amp & DIY .. Pro & Con
  72. Franks Ultimate Preamp....
  73. Interstage Transformer Nomenclature
  74. PP or SE for Horns?
  75. Output transformer in SIMetrix?
  76. seampcad
  77. Looking for an amp project
  78. Unison Research Smart 845 schematics
  79. HELP - From the audiophile Heads - Amp Advice
  80. 8233, 8116 & 6BZ6 valves - what are they good for?
  81. wires of output transformer are too thin!
  82. Reichert Feral Eye
  83. BIG LOUD SCREECH on LEFT channel only
  84. humming from volume
  85. Paia TubeHead and Symmetry Trims
  86. Output trafo for WE-91 L'Audiophile amp?
  87. Transformer voltage too high for 300B amp
  88. More shopping help please - GE Combo 330
  89. Bias filtering
  90. PP pentode screen supply
  91. 6v6 and OPT with 10-12k ohm(primary impedence)
  92. Identity Help - Is it worth working on
  93. Need info about 5G84 tube
  94. RF Noise in Power Supply
  95. My audionote Kit one have problem on 300B cathode terminal
  96. Partial Feedback Amplifiers
  97. filament transformer vs plate transformer
  98. Any subs for 6N1 & 6N2 twin triode valves?
  99. PSU questions
  100. Any designs for 6EJ7 out there?
  101. SRPP headphoneamp with E88CC
  102. newbie to DIY
  103. Just bought a leak stereo 20 (pics!)
  104. Mysterious Output Transformer....
  105. Hum free 5687 AC filament supply, is it possable ?
  106. Will This Preamp Work
  107. help with input pot on el84 PP amp
  108. NOS Philmore Output Transformern or Modern
  109. tube amp
  110. power supply, Help please!!!
  111. Tubes and magnetic fields
  112. Driver tube for 45 interstage 1:1
  113. 89 db is it enough ?
  114. Troubl-shooting heater voltage for filament
  115. arcing in rectifier tube
  116. 1/8" Aluminum for top plate?
  117. Shopping list
  118. 6sn7 valves
  119. Neon flashes with the music
  120. Help in SE 807 amp
  121. naim user defects to valves !
  122. tamura opt need help
  123. Line stage question
  124. Tube question, how to read the difference.
  125. What Tube amp for Biginner?
  126. Leak Stereo 20 rebuild/restore question
  127. Is there any advantage in using preamp tubes in output stages ??
  128. 12b4 as PP output tubes
  129. Valves stripped bare….
  130. Anybody know this TUBE?
  131. Noob Q: are the efficiency figures for valve amps the same as with transistors?
  132. Need help understanding something about UL stages
  133. I'd like to make a simple 50 amplifier
  134. gates tube pre-amp info??
  135. OT - To those who correspond with me....
  136. Could use info on Grommes + knight.
  137. Single Ended Ultra linear, anyone built one?
  138. Audio Innovations 800 Anniversary problem
  139. Transformer coupled 6SN7 push-pull DAC output stage?
  140. Vkh max voltage
  141. Mosfet differences with valves
  142. Need schematic - Audio Research LS2B MKII
  143. EL84M specs.
  144. What to do with these?
  145. Dyna Mk IV Driver Boards
  146. OTL driving series arrays
  147. Voltage problem
  148. Amp intermittently blowing fuse at power up
  149. Worlds Best Preamp
  150. Heathkit TT-1A Calibration
  151. surplus 12ax7a
  152. Phase Splitter as input stage
  153. DHT DC heater question
  154. Wanted-Assembly manual for Scott LK-150
  155. Happy new year, sophielove.
  156. Need UTC PVM-3 primary ?
  157. power amp for small studio
  158. Preamp
  159. Problems with EICO HF-12 amp.
  160. Technics SU-30A's schema???
  161. Tube PWM driver
  162. Tungsram tube data
  163. S-5 Electronics K-12M (11MS8) 8 wpc PP Tube Amp Kit ($139)
  164. sharp cutoff pentode
  165. JJ E34L failure(s)
  166. Valve effects loop
  167. Bruce Moore "Companion" - Schematic
  168. CT impedence mismatch?
  169. Tube multiplex adapter parts replacement
  170. SY gets jiggy (5692 measurements)
  171. Tube Drag Racing!
  172. OTL, quick `n dirty
  173. 6V6 stereo amp
  174. humming from amplifier
  175. Mesa boogie
  176. Any tube audiophile in New Dephli, India
  177. What are terminal 1 & 4 of 300B tube
  178. Tube Nube - need advice on Scott LK150
  179. Pentode AB1 or AB2?
  180. #56 tube line stage
  181. **** another unusual hum problem !!
  182. Any comments on Eico HF-14 and HF-85
  183. sensitivities of amplifier configurations
  184. Building a Sun Audio sv 300b Mk II clone
  185. wanted information! vellman vaa-70 tube amp
  186. old tubes, what to do?
  187. Knowledge needed. Need answer to basic yet puzzling question.
  188. tubes 5965A and 5814A
  189. 6s4a as driver for 6as7 in SEAmp
  190. Tube Manufactures Cross references
  191. KT88 vs. KT90 bench test
  192. Variable Voltage Technology(uk) iron
  193. Tutorial: building techniques
  194. Anyone tried UL or Triode connecting the $140 kit ?
  195. Using microphone transformers as phase splitters .
  196. Tube Cooling Recommendations
  197. WE 300B Vs &&&&
  198. Line stage board off from overseas. problems
  199. Volume control for tube amplifier ??
  200. Mro Pt8
  201. looking for se 811 schematics
  202. 6ar5??
  203. bias meter
  204. 829B/3E29 datasheet triodemode
  205. A better triode strap?
  206. outputtransformer data needed
  207. info wanted about a output transformer
  208. WE316a/VT191 triode
  209. electrolytic can capacitor
  210. Bogen DS-225
  211. PPP KT66, Jensen P15N, Hammond PowTran 378CX/193L Choke
  212. 6V6GT and 6L6GT
  213. Unknown vaccumtubes
  214. Milleroux OPT
  215. Tube equalents.
  216. Western Electric 300B
  217. AVVT Tubes
  218. PAS phono. (curcio)
  219. Suitable Transformer for Etude 12B4A
  220. SE tube in mono amp
  221. Pentode current sink - how to connect the control grid?
  222. where are audio equipments in Beijing?
  223. Mullard 3-3 Question
  224. Grounded Grid w/ remote volume
  225. Modifying (Reducing) Screen Voltage
  226. coupling caps
  227. Single Stage Inverting or no?
  228. Using KT88 to build a monster champ amp?
  229. bias arrangements for P-P amps.
  230. Beginner's heaphone amp?
  231. Bridging
  232. Valve circuit in I, Robot
  233. ECC33, 34, 35 tubes?
  234. Help!! any good EL3n Push Pull circuits????
  235. What PP circuit to use for 6SN7 and 2a3?
  236. Stage classification and efficiency
  237. 2x8w SET choice.
  238. 10-15 mu DHT?
  239. Possible computer speaker amp
  240. Help me make a preamp decision
  241. Plitron PAT4006 - advice please
  242. Big valve
  243. Need help with PP pentode design
  244. EQ-circuits.
  245. measuring the power choke inductance confusion
  246. Single-end... which tube?
  247. bias voltage for 6BQ5 plate
  248. Fender Twin
  249. small poweramp with 12AH7 and 6AU6WA...
  250. Layout Check

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