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  1. Skyline SK-10 Amplifier info?
  2. Tube Stereo Consoles from Thrift Stores
  3. Aikido amp theoretical questions
  4. 6V6 Single and 12AT7 SRPP
  5. What 45 SET amp should I build?
  6. Ping. Burnedfingers...
  7. ? problem with www.ampwares.com ?
  8. Pentode spud...?
  9. Type 46 as voltage amplifier
  10. Tube compressor problem!
  11. Using the 83
  12. Organ amp project
  13. Any feedback on these trannies?
  14. 300B PP bias and expected life time
  15. Mono block restoration
  16. Question about cathode bypass capacitor
  17. www.diytube.com Kits
  18. need help!
  19. Need opinion on PS for tube preamp.
  20. Stanley Mullard
  21. 6AK4, Anyone?
  22. interstage transformer
  23. Are matched sets important for this amp?
  24. What to do with ECC88's?
  25. EL38's ?
  26. Cables/tubes for Valve Amp
  27. 8233 / E55L Applications
  28. amplimo budget outputtransformer
  29. Output Transformers for WE-437a WOT Line Preamp
  30. plate resistor, input lead
  31. KT88 PP with Class-A/Class-AB switch
  32. very loud preamp
  33. Pentode current sink
  34. Hammond vs. James?
  35. Tubes for Scott Nixon dac
  36. James SE OPT for 300B & 2A3 on eBay
  37. pre-amp with 6as7??
  38. pre-amp with voltage gain from transformer only
  39. Help! Mystery tube (?) amp (type: HK56)
  40. Regulate the high voltage making better sound? (Preamp)
  41. Power Transformer
  42. Potentiometers UK
  43. AC 120V, neutral, hot, ground
  44. Counterpoint SA-220 Tube section advice needed
  45. 807 Amp
  46. Help me to choose the adequate ferrites
  47. Looking for KT88 circuits.
  48. Building a power amp - help
  49. Sovtek EL34WXT.
  50. Microphonic
  51. preamp gain and output transformer question
  52. Would an s5 K-12M kit suffice?
  53. 6c45 and passive volume control?
  54. Something of Interest to Newbies
  55. Chinese Tube Amp & DIY .. Pro & Con
  56. Franks Ultimate Preamp....
  57. Interstage Transformer Nomenclature
  58. PP or SE for Horns?
  59. Output transformer in SIMetrix?
  60. seampcad
  61. Looking for an amp project
  62. Unison Research Smart 845 schematics
  63. HELP - From the audiophile Heads - Amp Advice
  64. 8233, 8116 & 6BZ6 valves - what are they good for?
  65. wires of output transformer are too thin!
  66. Reichert Feral Eye
  67. BIG LOUD SCREECH on LEFT channel only
  68. humming from volume
  69. Paia TubeHead and Symmetry Trims
  70. Output trafo for WE-91 L'Audiophile amp?
  71. Transformer voltage too high for 300B amp
  72. More shopping help please - GE Combo 330
  73. Bias filtering
  74. PP pentode screen supply
  75. 6v6 and OPT with 10-12k ohm(primary impedence)
  76. Identity Help - Is it worth working on
  77. Need info about 5G84 tube
  78. RF Noise in Power Supply
  79. My audionote Kit one have problem on 300B cathode terminal
  80. Partial Feedback Amplifiers
  81. filament transformer vs plate transformer
  82. Any subs for 6N1 & 6N2 twin triode valves?
  83. PSU questions
  84. Any designs for 6EJ7 out there?
  85. SRPP headphoneamp with E88CC
  86. newbie to DIY
  87. Just bought a leak stereo 20 (pics!)
  88. Mysterious Output Transformer....
  89. Hum free 5687 AC filament supply, is it possable ?
  90. Will This Preamp Work
  91. help with input pot on el84 PP amp
  92. NOS Philmore Output Transformern or Modern
  93. tube amp
  94. power supply, Help please!!!
  95. Tubes and magnetic fields
  96. Driver tube for 45 interstage 1:1
  97. 89 db is it enough ?
  98. Troubl-shooting heater voltage for filament
  99. arcing in rectifier tube
  100. 1/8" Aluminum for top plate?
  101. Shopping list
  102. 6sn7 valves
  103. Neon flashes with the music
  104. Help in SE 807 amp
  105. naim user defects to valves !
  106. tamura opt need help
  107. Line stage question
  108. Tube question, how to read the difference.
  109. What Tube amp for Biginner?
  110. Leak Stereo 20 rebuild/restore question
  111. Is there any advantage in using preamp tubes in output stages ??
  112. 12b4 as PP output tubes
  113. Valves stripped bare….
  114. Anybody know this TUBE?
  115. Noob Q: are the efficiency figures for valve amps the same as with transistors?
  116. Need help understanding something about UL stages
  117. I'd like to make a simple 50 amplifier
  118. gates tube pre-amp info??
  119. OT - To those who correspond with me....
  120. Could use info on Grommes + knight.
  121. Single Ended Ultra linear, anyone built one?
  122. Audio Innovations 800 Anniversary problem
  123. Transformer coupled 6SN7 push-pull DAC output stage?
  124. Vkh max voltage
  125. Mosfet differences with valves
  126. Need schematic - Audio Research LS2B MKII
  127. EL84M specs.
  128. What to do with these?
  129. Dyna Mk IV Driver Boards
  130. OTL driving series arrays
  131. Voltage problem
  132. Amp intermittently blowing fuse at power up
  133. Worlds Best Preamp
  134. Heathkit TT-1A Calibration
  135. surplus 12ax7a
  136. Phase Splitter as input stage
  137. DHT DC heater question
  138. Wanted-Assembly manual for Scott LK-150
  139. Happy new year, sophielove.
  140. Need UTC PVM-3 primary ?
  141. power amp for small studio
  142. Preamp
  143. Problems with EICO HF-12 amp.
  144. Technics SU-30A's schema???
  145. Tube PWM driver
  146. Tungsram tube data
  147. S-5 Electronics K-12M (11MS8) 8 wpc PP Tube Amp Kit ($139)
  148. sharp cutoff pentode
  149. JJ E34L failure(s)
  150. Valve effects loop
  151. Bruce Moore "Companion" - Schematic
  152. CT impedence mismatch?
  153. Tube multiplex adapter parts replacement
  154. SY gets jiggy (5692 measurements)
  155. Tube Drag Racing!
  156. OTL, quick `n dirty
  157. 6V6 stereo amp
  158. humming from amplifier
  159. Any tube audiophile in New Dephli, India
  160. What are terminal 1 & 4 of 300B tube
  161. Tube Nube - need advice on Scott LK150
  162. Pentode AB1 or AB2?
  163. #56 tube line stage
  164. **** another unusual hum problem !!
  165. Any comments on Eico HF-14 and HF-85
  166. sensitivities of amplifier configurations
  167. Building a Sun Audio sv 300b Mk II clone
  168. wanted information! vellman vaa-70 tube amp
  169. old tubes, what to do?
  170. Knowledge needed. Need answer to basic yet puzzling question.
  171. tubes 5965A and 5814A
  172. 6s4a as driver for 6as7 in SEAmp
  173. Tube Manufactures Cross references
  174. KT88 vs. KT90 bench test
  175. Variable Voltage Technology(uk) iron
  176. Tutorial: building techniques
  177. Anyone tried UL or Triode connecting the $140 kit ?
  178. Using microphone transformers as phase splitters .
  179. Tube Cooling Recommendations
  180. WE 300B Vs &&&&
  181. Line stage board off from overseas. problems
  182. Volume control for tube amplifier ??
  183. Mro Pt8
  184. looking for se 811 schematics
  185. 6ar5??
  186. bias meter
  187. 829B/3E29 datasheet triodemode
  188. A better triode strap?
  189. outputtransformer data needed
  190. info wanted about a output transformer
  191. WE316a/VT191 triode
  192. Bogen DS-225
  193. PPP KT66, Jensen P15N, Hammond PowTran 378CX/193L Choke
  194. 6V6GT and 6L6GT
  195. Unknown vaccumtubes
  196. Milleroux OPT
  197. Tube equalents.
  198. Western Electric 300B
  199. AVVT Tubes
  200. PAS phono. (curcio)
  201. Suitable Transformer for Etude 12B4A
  202. SE tube in mono amp
  203. Pentode current sink - how to connect the control grid?
  204. where are audio equipments in Beijing?
  205. Mullard 3-3 Question
  206. Grounded Grid w/ remote volume
  207. Modifying (Reducing) Screen Voltage
  208. Single Stage Inverting or no?
  209. bias arrangements for P-P amps.
  210. Beginner's heaphone amp?
  211. Bridging
  212. Valve circuit in I, Robot
  213. ECC33, 34, 35 tubes?
  214. Help!! any good EL3n Push Pull circuits????
  215. What PP circuit to use for 6SN7 and 2a3?
  216. Stage classification and efficiency
  217. 2x8w SET choice.
  218. 10-15 mu DHT?
  219. Possible computer speaker amp
  220. Help me make a preamp decision
  221. Plitron PAT4006 - advice please
  222. Big valve
  223. Need help with PP pentode design
  224. EQ-circuits.
  225. measuring the power choke inductance confusion
  226. Single-end... which tube?
  227. bias voltage for 6BQ5 plate
  228. small poweramp with 12AH7 and 6AU6WA...
  229. Layout Check
  230. auto component placer with tube PCB prints
  231. Hammond 300BX for a Dynaco modified Mullard 5-20 circuit
  232. Audio Electronics Supply AE-1 problems
  233. Cunningham CX 301A
  234. Quicksilver zener diode mod
  235. ELC7? I need help to identify this valve
  236. Spice 3f4 "Koren" models
  237. parallel or push-pull
  238. Isolation
  239. Telefunken 6SN7; Are They Imported Or Genuine TFK MFD?
  240. Magic Gu15
  241. Help identifing RCA transformer
  242. Problem with tube overheating. PLEASE HELP
  243. Battery powered phono.
  244. Ancient Valve Amp and Rola Speaker PLEASE HELP!
  245. Has anyone used a triode as a shunt regulator?
  246. EL84 SE design recommendations?
  247. need a good low parts phono tube preamp schematic....
  248. Shunt Feedback - effect on input impedance
  249. searching bogen db10a schematic
  250. Swinging choke?

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