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  1. Zero bias regulators (5 replies)
  2. German Pronunciation (4 replies)
  3. what's it worth, and how to test it? (42 replies)
  4. Mooning Arny (45 replies)
  5. .CES / THE Show Pre-Event Report. (0 replies)
  6. best radio tube guitar amp circuit? (21 replies)
  7. How can techical people fail to master their computers? (3 replies)
  8. KISS 123: Why an ultrafi tube amplifier has Zero Negative Feedback (71 replies)
  9. Testing Tubes (18 replies)
  10. Why Mercedes older than 30 years are dumb (34 replies)
  11. Negative feedback: cheap engineering, sure, but is it cheerful? (27 replies)
  12. triode/pentode switch in ab763 vibroclone (2 replies)
  13. test (0 replies)
  14. FA: 4 pin Ceramic Sockets (Amphenol Steatite RSS-4) (0 replies)
  15. F/A-(53) vinyl LP records-Elvis-Beach Boys-Journey-B.Joel-J.Croce-Ktels-more-$10 (0 replies)
  16. Need High Efficiency Spkrs? Audio Nirvana fullrange spkrs--from $98/pr (5 replies)
  17. WTB: Tung-Sol 5687 Early Version (1 replies)
  18. FS:(2) Mundorf Supreme Silver/Oil 2.2uF 1200VDC (3 replies)
  19. Advice regarding a Stromberg-Carlson console (9 replies)
  20. WTB: Wood Cabinets For Marantz 10B & 7C - New or Used (1 replies)
  21. Re: The alt.guitar.amps Pledge of Allegiance!!!! (1 replies)
  22. English is peace, let them learn English (22 replies)
  23. FA STREO TUBE AMP (2 replies)
  24. 5610 Triode (3 replies)
  25. parting out 1949 OLDSMOBILE 88 Futuramic V-8 (2 replies)
  26. Re: Free iPOD Nano 4 GB Black (1 replies)
  27. attn: Chris Hornbeck and Patrick Turner Re: A question (6CA7 bias current) (17 replies)
  28. FA: Pair of UTC-LS-63-Linear-Standard-transformers (0 replies)
  29. FA: Pair of Peerless-S-265-Q-output-transformers (1 replies)
  30. Isolation Transformer (29 replies)
  31. 807 amplifier (6 replies)
  32. hammond in the cold (3 replies)
  33. Sansui AU-70 (0 replies)
  34. Help! Need to identify this vintage electronics part in Dickerson Amp (0 replies)
  35. Help! Need to identify this vintage electronics part in Dickerson Amp (2 replies)
  36. Help! Need to identify this vintage electronics part in Dickerson Amp (5 replies)
  37. Sansui 1000A & Kenwood 1100u on eBay (0 replies)
  38. FA: NEWCOMB E-10B PATHFINDER TUBE AUDIO AMPLIFIER>Harmonica (2 replies)
  39. Questions regarding tube spec sheets (2 replies)
  40. Restored Antique Radios & TV's FS (1 replies)
  41. National Brand Valves (3 replies)
  42. Re: Turner... Filaments and OPT question (1 replies)
  43. Diamond studded 6SN7's? (2 replies)
  44. Tube socket mechanical drawings (2 replies)
  45. FS: (not by me) items from estate of Avery Fisher (0 replies)
  46. search info on Rogers preamp (2 replies)
  47. If you are interested in Braun Design Classics... (0 replies)
  48. Info on Rogers preamp? (1 replies)
  49. Peavey 5150 II biasing (0 replies)
  50. Be Kind to Pat Turner (10 replies)
  51. Re: Ping: Turner... Filaments and OPT question (2 replies)
  52. 6CY5 triode (2 replies)
  53. FA: 2-6146B tubes, 4-3B28 HV Rectifiers, 40' Tinned copper braid>Big Stuff! (1 replies)
  54. FA: $10> NEWCOMB E-10B PATHFINDER TUBE AUDIO AMPLIFIER (1 replies)
  55. Allison continues to be the Idiot he is. (27 replies)
  56. WTB: Operational Amplifiers (Teledyne, Union Carbide, Valley People) etc. (2 replies)
  57. Turneroid Support Group (2 replies)
  58. tube amp to trade (0 replies)
  59. Valuation (2 replies)
  60. Amperite 9-7 (8 replies)
  61. All popular russian tubes data (0 replies)
  62. UK Fifties radio kits (2 replies)
  63. flux band around filter choke? (4 replies)
  64. Sylvania El34's made in Great Britain? (55 replies)
  65. FS Pair of 6L6GA new (0 replies)
  66. FS: RCA 807,808, 810 (0 replies)
  67. Ohm Different Speakers/Receiver problem... (4 replies)
  68. RE: WE 1401 CARR SLP...BASE FREQ AMP..? (1 replies)
  69. Anyone knows what's this? (1 replies)
  70. EL84(6BQ5) Canadian-made Mullard tubes made for Rogers. (11 replies)
  71. Re: Fixed Bias question (0 replies)
  72. PING: Al Mitchell in NYC...AMitch9448...still here? (0 replies)
  73. FS: RCA 96 Compressor..Tube, Rare.. (0 replies)
  74. 12AX7-EH (2 replies)
  75. Re: Fixed Bias question (1 replies)
  76. Canare agents who are reliable?????? (1 replies)
  77. FS very rare Western Electric 59B amplifier- 1930's era! (1 replies)
  78. FA: 6336B tubes- New in Box Made in england- Last hours (5 replies)
  79. power transformer 550 - 0 - 550 at 150 ma? (1 replies)
  80. Hey Dim/Shiva (0 replies)
  81. Need schematic to prevent forest fire. (0 replies)
  82. HUGE lot 78rpm records-GlennMiller-Sinatra-TommyDorsey-GuyLombardo-PerryComo-Ebay (0 replies)
  83. test (0 replies)
  84. Heathkit EA-2 Schematic needed (1 replies)
  85. Preamp tube as power tube (15 replies)
  86. Multiplex decoder nearly rewired. (20 replies)
  87. Heathkit Power Supply (0 replies)
  88. Heathkit Power Supply (2 replies)
  89. Interesting use of tubes (1 replies)
  90. My Mcintosh MC240 output transformer with primary windings shorted (33 replies)
  91. what Power Tube? (8 replies)
  92. AVO Valve tester question (3 replies)
  93. old valve text book (6 replies)
  94. RE: Western Electric 231D Tubes.Triodes..Value? (1 replies)
  95. FS: Genalex Goild Lion KT-66 Tube..Matched Pair..BOXES ONLY! (0 replies)
  96. Hum in one channel only HF86 amp??? (2 replies)
  97. Hey Phil, about transformers... (17 replies)
  98. Turneroid has Mental Blackouts (13 replies)
  99. 5K OPT in place of 3K ? (5 replies)
  100. Saturation in transformers. (68 replies)
  101. FS: Reconditioned Sansui 500A Tube Stereo Receiver (0 replies)
  102. Heathkit Kit Builder's guide (1 replies)
  103. Variable Regulated Tube Power Supplies. (13 replies)
  104. Re: Margaret von B and her "client" (8 replies)
  105. 100nF load stability issue (5 replies)
  106. Heathkit Kit Builder's guide (11 replies)
  107. FA 7868 TUBE AMP (0 replies)
  108. FA 7868 TUBES (0 replies)
  109. FA GRUNDIG TUBE AMP WITH SPEAKER (0 replies)
  110. up date to forum (0 replies)
  111. Toroid power in guitar amp (20 replies)
  112. FA: two tubes 6336B new made in england- last hours (0 replies)
  113. Patrick Turner is Demented (19 replies)
  114. .New Equipment Review + RSS Feed. (0 replies)
  115. Supply 3 Pole Gas Tube Arresters(Gas Discharge Tubes)3-Electrode (0 replies)
  116. Which 12ax7 for a Grundig? (5 replies)
  117. fa 10 various audio tubes $1 (0 replies)
  118. test (7 replies)
  119. new forum (0 replies)
  120. I've got the newbie between projects SS blues (1 replies)
  121. FS: Western Electric 22B Mixer (0 replies)
  122. FA: Altec 511 & 808-8A..Pair. (0 replies)
  123. wanted 1 or 2 7868 tubes (0 replies)
  124. Meter for Hickock TV-3 (0 replies)
  125. Laney VA100 (9 replies)
  126. load mismatch fender amp question (9 replies)
  127. Channel noise in Scott 200c amp (3 replies)
  128. Tube Amp Troubles (33 replies)
  129. FA LAST 4 HOURS AMP $20 (0 replies)
  130. Some Dealer Suggestions for NOS Tubes (3 replies)
  131. FS: Hammerlund HQ 129 X & Heathkit DX-60.... (0 replies)
  132. FS JOLIDA TUBE AMP USED 20 HOURS (0 replies)
  133. Amplification without Distortion (23 replies)
  134. Creating a 9-pin miniature socket for PCB (2 replies)
  135. I look schematic Amplifier for GM70. (24 replies)
  136. Glass-ware P-P calculator (1 replies)
  137. FS: RCA JAN CRC 808 vintage Tubes (0 replies)
  138. Unlim*ited FRE*E busi*ness op*portunity leads - zero cost (0 replies)
  139. FS: RCA Review- A Technical Journal- SEPT- 1949 (0 replies)
  140. fs tube amp $149 (1 replies)
  141. Adding a line out? request for theory and advice (2 replies)
  142. Can I use 6550A in Amp made for 6550C (5 replies)
  143. Precision Fidelity MA-8 (0 replies)
  144. we found 20 new TUBE AMPLIFIER companies (0 replies)
  145. Good 3F4 models for 6SL7, 6SN7 and 12BH7 (7 replies)
  146. Hickok Tube Tester Blues :(. (5 replies)
  147. Multiplex Decoder questions. (12 replies)
  148. WTB: "Dead" 845 and 211 tubes (6 replies)
  149. KISS Amp layout (0 replies)
  150. Re: Tellig Melts Down. Cool people on RAO, check this out! (10 replies)
  151. Re: Designing a lab power supply for tube experimenting (0 replies)
  152. 1Watt 1% resistors, found a source. (1 replies)
  153. Re: Designing a lab power supply for tube experimenting (0 replies)
  154. Re: Designing a lab power supply for tube experimenting (0 replies)
  155. Where is it? (1 replies)
  156. Designing a lab power supply for tube experimenting (30 replies)
  157. Pioneer PAX 30E coaxials (0 replies)
  158. Gamma Aeons 211 monoblocks (0 replies)
  159. OPT question: Electrohome PP amp - 2 x 6V6 (8 replies)
  160. Theramin? (4 replies)
  161. FA JOLIDA TUBE AMP (0 replies)
  162. Fender vibrato (7 replies)
  163. Re: New Svetlana 6L6s hold up to old Ampegs? (7 replies)
  164. 12SK7 + 35L6 +35Z5 (2 replies)
  165. A few general PP power stage questions (8 replies)
  166. Akai M-8 service manual/circuit diagram (1 replies)
  167. Ping> Andre (1 replies)
  168. FA: LANGEVIN AM-16's w/ PS!! + ALTEC MANUALS (0 replies)
  169. Testing Russian 6E5C on Hickok 800k (1 replies)
  170. REALJAZZCAT Evidence Gathering (0 replies)
  171. Prima Luna website (0 replies)
  172. Question about Ebay Sale (3 replies)
  173. Free: Radiotron Designer's Handbook, 4th Edition (14 replies)
  174. FS: RCA JAN CRC 808 vintage Tubes! (1 replies)
  175. Eico HF-32 question (1 replies)
  176. KISS Amp "Ultrafi" updated (2 replies)
  177. Shameless: just put Grommes 6v6 mono tube amp up on ebay (2 replies)
  178. FA: RCA Review- A Technical Journal- SEPT- 1949 (0 replies)
  179. 815 any good for audio amp (3 replies)
  180. Battery bias directly to grid (55 replies)
  181. 845B super TNT (0 replies)
  182. Ping: Roger Anderson of Vermont (0 replies)
  183. Resistor Distribution (0 replies)
  184. Looking for Audio Reviewers (0 replies)
  185. 10 watt PP amplifier (7 replies)
  186. Tail Resistor in long tail pair with CCS. (13 replies)
  187. FS: Tubes from Russia (0 replies)
  188. The perfect woman? (36 replies)
  189. RE: 2a3 Loftin White design assistance request (6 replies)
  190. BELL & HOWELL high end 8track deck-OLYMPIC-FISHER rack system-Ebay-$25 ea (0 replies)
  191. Tubes RCA 5R4 (0 replies)
  192. WTB: PILOT 232 OR SA 232 (0 replies)
  193. RE: first project, requesting assistance (0 replies)
  194. 6DJ8's marked Hickok - Who Made them? (3 replies)
  195. 97 dB efficient speakers--from $98/pr (5 replies)
  196. Multiplex decoders for FM stereo. (10 replies)
  197. Metal can cap safety? (2 replies)
  198. What was it? (0 replies)
  199. dual dissimilar triodes (9 replies)
  200. In control (0 replies)
  201. FA: Stereo IT coupled PP45 amplifier. (0 replies)
  202. FS: 6CA7/EL34 Tubes (2 replies)
  203. F/A: RARE Marantz Monos (0 replies)
  204. Golden Age Audio (0 replies)
  205. FS: Tubes (long list) (1 replies)
  206. FA: Great RCA book on tubes/amplifiers-one in their technical series... (0 replies)
  207. I look for scheme for tube 833A single-ended (2 replies)
  208. Lower Heater Voltages (6 replies)
  209. Osram/Marconi PX4 (5 replies)
  210. Obtaining an accurate resistor (23 replies)
  211. Re: Ping Prof Turner: Amplifier questions (8 replies)
  212. OT (10 replies)
  213. French films (26 replies)
  214. A genuine fear (21 replies)
  215. Where to get 1watt 1% resistors. (25 replies)
  216. Golden Tube remote control question (0 replies)
  217. FA: PAIRE OF VINTAGE RCA LC1-B HIGH EFFICIENCY SPEAKERS on ebay (0 replies)
  218. About sprauge black beauty capacitor?? (4 replies)
  219. Cloth Covered Wire (10 replies)
  220. The Sign Of True Intelligence (was: The Making Of A Bohemian) (1 replies)
  221. FA: Millennia Media Quad Mic Preamp, 4 channels of the Best! (0 replies)
  222. FA: 2-RCA 6146B's, 2-AMPEREX 872AX, 2-6U5 EYE TUBES>ALL NO BIDS! (0 replies)
  223. Need a good mosfet PN for a current sink (7 replies)
  224. Bias resistors values on Mesa Boogie Single Rec? (6 replies)
  225. The making of a modern Bohemian (68 replies)
  226. Warm Speakers For Fisher 500C? (2 replies)
  227. FA: 6336B new made in england - 1 day (0 replies)
  228. Favourite Loftin White 2A3 amp (2 replies)
  229. Packing a Heathkit Amplifier? (11 replies)
  230. speaker wiring question (0 replies)
  231. 6CA7EH tubes (4 replies)
  232. Wanted: Toshiba 12by7a tubes (1 replies)
  233. Using Damper Diodes for B+ Supplies (12 replies)
  234. FS GALLO WHITE PAIR (0 replies)
  235. Vdd (0 replies)
  236. Authoring an article for publishing (17 replies)
  237. 7868s to 6L6GC/5881s (4 replies)
  238. 1968 Showman, need some help (1 replies)
  239. Feender showman reverb (0 replies)
  240. 7543 Tube Vs 6au6a tube ???? (1 replies)
  241. Amp - loss of power? (61 replies)
  242. Ageing valves (10 replies)
  243. TV3 B/U work only rectifires and line test (0 replies)
  244. Re: A STORY ABOUT PHILIP BARTLETT PHILIP BARTLETT PHILIP BARTLETT STORY OF, THE KNIGHT IN SHINING ARMOR AUTHOR UNKNOWN, A DILECTIC AND DIDACTIC WORK (1 replies)
  245. About Phil Allison, 5. (10 replies)
  246. 6GH8A Tubes the same as 6EA8 ??? (1 replies)
  247. 7th Annual Southern Womyn's Festival, April 20 - 24th, 2006 (2 replies)
  248. Phil Bartlett (0 replies)
  249. Phil Bartlett (0 replies)
  250. Science lies foully murder. The Environmental Faith is the New Fascism. (61 replies)