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  1. I'd like to make a simple 50 amplifier
  2. gates tube pre-amp info??
  3. OT - To those who correspond with me....
  4. Could use info on Grommes + knight.
  5. Single Ended Ultra linear, anyone built one?
  6. Audio Innovations 800 Anniversary problem
  7. Transformer coupled 6SN7 push-pull DAC output stage?
  8. Vkh max voltage
  9. Mosfet differences with valves
  10. Need schematic - Audio Research LS2B MKII
  11. EL84M specs.
  12. What to do with these?
  13. Dyna Mk IV Driver Boards
  14. OTL driving series arrays
  15. Voltage problem
  16. Amp intermittently blowing fuse at power up
  17. Worlds Best Preamp
  18. Heathkit TT-1A Calibration
  19. surplus 12ax7a
  20. Phase Splitter as input stage
  21. DHT DC heater question
  22. Wanted-Assembly manual for Scott LK-150
  23. Happy new year, sophielove.
  24. Need UTC PVM-3 primary ?
  25. power amp for small studio
  26. Preamp
  27. Problems with EICO HF-12 amp.
  28. Technics SU-30A's schema???
  29. Tube PWM driver
  30. Tungsram tube data
  31. S-5 Electronics K-12M (11MS8) 8 wpc PP Tube Amp Kit ($139)
  32. sharp cutoff pentode
  33. JJ E34L failure(s)
  34. Bruce Moore "Companion" - Schematic
  35. CT impedence mismatch?
  36. Tube multiplex adapter parts replacement
  37. SY gets jiggy (5692 measurements)
  38. Tube Drag Racing!
  39. OTL, quick `n dirty
  40. 6V6 stereo amp
  41. humming from amplifier
  42. Any tube audiophile in New Dephli, India
  43. What are terminal 1 & 4 of 300B tube
  44. Tube Nube - need advice on Scott LK150
  45. Pentode AB1 or AB2?
  46. #56 tube line stage
  47. **** another unusual hum problem !!
  48. Any comments on Eico HF-14 and HF-85
  49. sensitivities of amplifier configurations
  50. Building a Sun Audio sv 300b Mk II clone
  51. wanted information! vellman vaa-70 tube amp
  52. old tubes, what to do?
  53. Knowledge needed. Need answer to basic yet puzzling question.
  54. tubes 5965A and 5814A
  55. 6s4a as driver for 6as7 in SEAmp
  56. Tube Manufactures Cross references
  57. KT88 vs. KT90 bench test
  58. Variable Voltage Technology(uk) iron
  59. Tutorial: building techniques
  60. Anyone tried UL or Triode connecting the $140 kit ?
  61. Using microphone transformers as phase splitters .
  62. Tube Cooling Recommendations
  63. WE 300B Vs &&&&
  64. Line stage board off from overseas. problems
  65. Volume control for tube amplifier ??
  66. Mro Pt8
  67. looking for se 811 schematics
  68. 6ar5??
  69. bias meter
  70. 829B/3E29 datasheet triodemode
  71. A better triode strap?
  72. outputtransformer data needed
  73. info wanted about a output transformer
  74. WE316a/VT191 triode
  75. Bogen DS-225
  76. PPP KT66, Jensen P15N, Hammond PowTran 378CX/193L Choke
  77. 6V6GT and 6L6GT
  78. Unknown vaccumtubes
  79. Milleroux OPT
  80. Tube equalents.
  81. Western Electric 300B
  82. AVVT Tubes
  83. PAS phono. (curcio)
  84. Suitable Transformer for Etude 12B4A
  85. SE tube in mono amp
  86. Pentode current sink - how to connect the control grid?
  87. where are audio equipments in Beijing?
  88. Mullard 3-3 Question
  89. Grounded Grid w/ remote volume
  90. Modifying (Reducing) Screen Voltage
  91. Single Stage Inverting or no?
  92. bias arrangements for P-P amps.
  93. Beginner's heaphone amp?
  94. Bridging
  95. Valve circuit in I, Robot
  96. ECC33, 34, 35 tubes?
  97. Help!! any good EL3n Push Pull circuits????
  98. What PP circuit to use for 6SN7 and 2a3?
  99. Stage classification and efficiency
  100. 2x8w SET choice.
  101. 10-15 mu DHT?
  102. Possible computer speaker amp
  103. Help me make a preamp decision
  104. Plitron PAT4006 - advice please
  105. Big valve
  106. Need help with PP pentode design
  107. EQ-circuits.
  108. measuring the power choke inductance confusion
  109. Single-end... which tube?
  110. bias voltage for 6BQ5 plate
  111. small poweramp with 12AH7 and 6AU6WA...
  112. Layout Check
  113. auto component placer with tube PCB prints
  114. Hammond 300BX for a Dynaco modified Mullard 5-20 circuit
  115. Audio Electronics Supply AE-1 problems
  116. Cunningham CX 301A
  117. Quicksilver zener diode mod
  118. ELC7? I need help to identify this valve
  119. Spice 3f4 "Koren" models
  120. parallel or push-pull
  121. Isolation
  122. Telefunken 6SN7; Are They Imported Or Genuine TFK MFD?
  123. Magic Gu15
  124. Help identifing RCA transformer
  125. Problem with tube overheating. PLEASE HELP
  126. Battery powered phono.
  127. Ancient Valve Amp and Rola Speaker PLEASE HELP!
  128. Has anyone used a triode as a shunt regulator?
  129. EL84 SE design recommendations?
  130. need a good low parts phono tube preamp schematic....
  131. Shunt Feedback - effect on input impedance
  132. searching bogen db10a schematic
  133. Swinging choke?
  134. Schematic help. (thread split)
  135. Playing with a Magic Eye.
  136. A music coming from component.
  137. DIY meeting in Belgium ?
  138. EL34 Push Pull weirdness
  139. Balancing DC-coupled differential stages
  140. Jadis JPS 2 schematic
  141. Leak Stereo20 rebuild ?
  142. Vintage amp rebuild advice
  143. simple 6v6 push-pull schematic ?
  144. valve newbie; 6H1H pre-amp.
  145. Polyprops as cathode bypass
  146. Eventual 300B advice welcome!
  147. Thinking about getting into Tubes, any kit recommendations?
  148. Another Mullard 5-20.
  149. Subbing EL86 (6CW5) for EL84
  150. Valve Warmer/Distortion PCB
  151. Having a problem with building this 6C45 PP amp.
  152. Blue glow in tube. Is the tube dead or not?
  153. Repairing VTL TL2.5
  154. Another ECL86 (integrated this time)
  155. CJ MV55 triode mode
  156. Mullard 20W Amp
  157. Pro Model Tubes,for example Avalon
  158. How to find out which is which????
  159. Matching a preamp to high output impedance source
  160. VSE PP1 driver stage
  161. Thordarson Choke type 1-8C42
  162. Ediswan ECL86 datasheet wanted.
  163. Minimal approach with hybrid rectification: Is this possible?
  164. SS vs. Tube Rectification (and chokes)?
  165. Help wanted on SRPP preamp
  166. New Pas Question no photos
  167. amp-schematic questions...
  168. 5902 subminiature audio pentode
  169. TPP versus PSE.
  170. my fun....
  171. Schematic for Siemens F2a tube amp
  172. Snubber
  173. Which preamp ?
  174. Distortion+low volume..
  175. JJ Tesla
  176. Dynaco Pas
  177. feedback resistor
  178. Grid stoppers?
  179. Transcendent T8 with 12 output tubes
  180. Can anyone recommend a good buffer circuit
  181. happy with my MC-25
  182. A building block approach to valve amp design
  183. math quiz- input z triode amp
  184. Need help in circuit analysis
  185. learning how to do this
  186. 5687 and ccs?
  187. Improving damping factor for OTL
  188. Solid State delay on turn on relay.
  189. output transformer 9030/3
  190. Dynaco MKIII: new power cord
  191. 50C5 add-on amp
  192. Finished my stereo amp!!
  193. spl for 300b, kt88
  194. 2A3 tube review
  195. Audio Transformer Query
  196. Lafayette Phono preamp.
  197. Power transformer help
  198. EL84 SE question
  199. Pop/crackle in one channel
  200. 6GM8 Operating Point
  201. Propper grounding.
  202. EL34 plate glowing?
  203. wavlength audio cardinal
  204. help for tube noob
  205. Placing the powertransformer
  206. Tube audio periodicals
  207. PSU Question
  208. AudioInnovation 400
  209. c3g connections
  210. 6c33c-b Se
  211. tube preamp distortion
  212. What do you guys use to drill holes on chassis??
  213. S.E Problem.Urgent help Please!
  214. 6CA7, El34 or 5881?
  215. svetlana tubes
  216. 18C51 tube help!
  217. Power Tubes
  218. OTL PS question!!
  219. suggestions for the "lowest noise" pentode
  220. drd c3g/300b - help needed
  221. tubecad is back
  222. Happy birthday to tubes. Happy birthday to tubes. !
  223. Anyone used...gulp...kitparts.com?
  224. Grounding the Decware Se84sc
  225. Rogers Cadet III Schematics
  226. OTL amp help
  227. most simple design
  228. Please verify this circuit, is correct??
  229. EL509 vs EL519
  230. Heathkit AA-181 schematic needed
  231. EF 91 / Z77 Amp? help needed for newbie
  232. buzzing ST-70...plea for help
  233. Zen se-84cs question............
  234. Help with transformer
  235. 211 or EL34Triode?
  236. bootstrapping two SE transformers into a pp one?
  237. Gary Pimm's battery biased mosfet cccs
  238. PSU for SRPP - Voltage or Current Regulator?
  239. MC-30 rebuild, any ideas?
  240. ls-37 MM/MC RIAA Phono Amp from diyclub.biz
  241. Amorphous core transformers only work above 20KHz?
  242. Help with component layout?
  243. Output Transformer Sizing?
  244. PSU worries...
  245. 6BL7 as output tube for low power SE amp?
  246. advice for 6L6GC P-P amp
  247. need some info in a UTC s-16? anyone!
  248. 2A3 power supply transformer
  249. Hi-Bass button
  250. Searching for my first tube amp

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