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  1. Speaker shootout for latest amp project (7 replies)
  2. Question about Svetlana 6D22S (2 replies)
  3. 807 UL question... (2 replies)
  4. Re: Is this a tube? - 01K44 (6 replies)
  5. HH Scott 222D amplifier schematic (4 replies)
  6. Parasitics (26 replies)
  7. Contest deadline approaching! (0 replies)
  8. Re: Electro-Harmonix KT90EH (5 replies)
  9. Contest Deadline approaching! (6 replies)
  10. Winter Projects? (10 replies)
  11. FS: 1960's EV bookshelf speakers (0 replies)
  12. WTB: EM84A 'magic eye' tube for Fisher 400 500B 800 etc (2 replies)
  13. problem with sheeeety Stratocaster (13 replies)
  14. FA Russ Andrews Kimber Kwik 12 speaker cable (1 replies)
  15. FS: QUAD ESL 57'S WITH GRADIENT SUBWOOFERS (0 replies)
  16. Re: Mysterious Electrical Vibrations (47 replies)
  17. WTB - Tube amp (3 replies)
  18. 12ax7 plate voltage (1 replies)
  19. Speaking of designs.. (10 replies)
  20. 6GH8 Triode-Pentode Push-Pull Amp. (3 replies)
  21. Re: Re:My emails... (0 replies)
  22. Vintage Fisher preamp available (0 replies)
  23. Re: My emails... (0 replies)
  24. FA: Faceplate for The Fisher Model 500-B Receiver (0 replies)
  25. Where's Porter ? (0 replies)
  26. FA: AD1 on eBay (0 replies)
  27. Question about 12AU7 (2 replies)
  28. Good speaker match for Scott 299c (1 replies)
  29. More interesting spam... (6 replies)
  30. The other triode of my infinite impedance AM detector had distortionfrom stray RF (0 replies)
  31. tubes (0 replies)
  32. Re: When replacing tubes (6CG7) ? (1 replies)
  33. FS:AIR TIGHT ATM-1 STEREO TUBE AMPLIFIER< A BEAUTY (0 replies)
  34. Data of EF86/6267/6BK8 triode strapped? (2 replies)
  35. FS: Ampex 351.....Stereo Tube Tape Deck. (0 replies)
  36. Re: Circuit for 50-100 Miliwatt Class A or AB Power Stage? (2 replies)
  37. Mytek Stereo96 Converters, Low Cost, High Performance - Now shipping,available online with 30 day.... (0 replies)
  38. Circuit for 50-100 Milliwatt Class A or AB Power Stage? (4 replies)
  39. Re: Parting out organs. (0 replies)
  40. Ya Ugly RAT - another update (2 replies)
  41. WTB: Single Used Mullard EF86 (0 replies)
  42. F/A: Rare Sargent Rayment #SR380 Tube Tuner (0 replies)
  43. Re: Gas stabilizers (1 replies)
  44. F/A:18 The Fisher tuning knobs, stacked & singles (0 replies)
  45. Informal survey . . . (3 replies)
  46. RE: Pick-up & Delivery....East, to West...! (0 replies)
  47. Knight KB-85 Tube Stereo Amp question/problem (0 replies)
  48. Audion 1.5 preamp... (0 replies)
  49. Laboratory PSU Schematics (7 replies)
  50. PMI2 data (0 replies)
  51. Beamers and Pentodes again (28 replies)
  52. FS: FISHER Series Eighty Mono Tuner/Preamps ($50.Pr) (0 replies)
  53. FS: AMPEX Model "008" Mono Tuner (W/ Cabinet) (0 replies)
  54. WTB: Cover For DYNA PAS 2 (0 replies)
  55. FS: ALTEC T3000 (Horn Twtrs) / N3000B (X-Overs) (0 replies)
  56. FS: FISHER FM100B Stereo Tuner ($100.) (0 replies)
  57. FS: Pair JBL LE-12C Coaxial Speakers (0 replies)
  58. FA: RCA 833A very BIG triode 23 hours (3 replies)
  59. Lafayette STereo224 - rebuild or mod??? (I'm *BACK*) (10 replies)
  60. Wad in the world is this?? (3 replies)
  61. HELP-DECCA GENDEC MIXER DIAGRAMS (0 replies)
  62. Re: FS One LOT tubes (3 replies)
  63. Mullard made in USA?? (4 replies)
  64. F A: Matched Pair EL37 Mullard (0 replies)
  65. Heathkit AA-151 cathode resistor mod (15 replies)
  66. FA: EL34 Matched pairs cheap (3 replies)
  67. Books on tubes/tube amp building (4 replies)
  68. Data on Russian tube PMI 2? (1 replies)
  69. Want to buy 807's of quality (8 replies)
  70. Re: ebay extreme auction of the week (1 replies)
  71. FS: 5692, RCA, Red Base (0 replies)
  72. FA: FOSTEX HORN SPEAKERS (0 replies)
  73. Adding a choke to PS - results (3 replies)
  74. Q: TRIAD HSM-84 Specs variations?? (0 replies)
  75. Help: lux mb3045 output tran spec (0 replies)
  76. Anybody knows Mr. Dragan Nikolic? (2 replies)
  77. help: Schematic of KT88 SE power amp (0 replies)
  78. Re: Thordarson 22S65 Ultra Linear Output Transformer Color Code (0 replies)
  79. Re: SE Output transformer design idea (13 replies)
  80. FA: Mtchd pr NOS Cetron 300B tubes original boxes (0 replies)
  81. FS: $9.99 a set of 3 Matched Marblewood Hi Fi Spikes (0 replies)
  82. FA Electrovoice vintage 16 ohm T35 horn tweeters (0 replies)
  83. WTT: NOS Tubes For 2 6L6GB and 2 OA2 (1 replies)
  84. Re: ECC40 (4 replies)
  85. find me a good dual trace scope? (1 replies)
  86. Bassman head project (32 replies)
  87. KT66/KT88 SE (6 replies)
  88. Best speaker for about 3-4 Watts. (1 replies)
  89. Re: VT231 spec's question (0 replies)
  90. Re: EL37 equals KT66? (2 replies)
  91. Final DA100 on Ebay. (0 replies)
  92. MICHEAL DIACK OF NEW ZEALAND (3 replies)
  93. FA: Altec 755C Driver (0 replies)
  94. Caution about E-H 7591 replacements (5 replies)
  95. FA: Matched Marblewood Hi Fi Spikes, with bottom plates (0 replies)
  96. cct. for 6L6 Ultralinear amp wtd (15 replies)
  97. FA: Some Audio Tubes (0 replies)
  98. FS (Australia) Tube amp power transformers + chokes (0 replies)
  99. FS: Original Dynaco Mark III shipment box (0 replies)
  100. 6E5 question (5 replies)
  101. ISO Gintaras Sakenas/KW Tubes (8 replies)
  102. fs: Phillips 6L6WGB tubes (1 replies)
  103. SS B+ or Tube rectifier (12 replies)
  104. WTB: Van del Hul M.C. D502 phono cable (0 replies)
  105. Adding a choke to PS (5 replies)
  106. FA: Sencor TC136 Tube Tester (0 replies)
  107. FA: Pair of Matched Sovtek 6550 WA - NIB (Last Day) (0 replies)
  108. Looking for sources on the Internet to buy valves/tubes (1 replies)
  109. 102-E Western Electric Tube info needed (0 replies)
  110. Need 7441 nixie drivers (2 replies)
  111. FA: "The Fisher" 500-B Faceplate, Dial Glass, Original Knobs (0 replies)
  112. FA: Fisher 500-B Faceplate, Tuning Dial Glass, Complete Knob Set (0 replies)
  113. FA: Set of original "The Fisher"Branded Tubes for 500-B, 500-C, etc... (0 replies)
  114. Re: Grid current in 6C33C (4 replies)
  115. DC heater supply for 6sn7 pair (2 replies)
  116. Triode Electronics Slow? (14 replies)
  117. Re: What do you do with all these tube amps? (6 replies)
  118. FS:CARY AUDIO ELECTRONICS SE 1 STEREO 300B AMP (0 replies)
  119. Re: which output transformer you like? UTC, Acrosound...etc (0 replies)
  120. fs tube equiptment (0 replies)
  121. will TRADE rare 40-60s NOS/NIB tubes for GE 6CA7 tubes (0 replies)
  122. Current amplification (35 replies)
  123. wtb fairchild 260 amp (0 replies)
  124. GENELEX KT-88 FS (0 replies)
  125. >>>FS: 7587 NUVISTORS<<< (1 replies)
  126. requesting 'Tube tourism' tips for Vancouver, British Columbia (9 replies)
  127. PAIR of MATCHED KT66 GEC NOS 1950's RARE! (22 replies)
  128. Ugly RAT update (5 replies)
  129. Re: LEAK Stereo 50 User Manual Wanted (0 replies)
  130. 5881 SE Operating Conditions (23 replies)
  131. Does tubes improve personality? (27 replies)
  132. World Tube Audio N E W S 08/2003 (2 replies)
  133. WTB: Radiocraftsman c500 pair (1 replies)
  134. Another DIY amp finished :-) (10 replies)
  135. Looking for an Altec 438 DB Compression Meter (1 replies)
  136. help mating up a fairchild 260 (1 replies)
  137. For Auction: Mtchd pr NOS Cetron 300B tubes original boxes (0 replies)
  138. FA: old Southern Bell repairmans case with tubes (2 replies)
  139. Power Regulator vs Cable? (11 replies)
  140. FA: Fisher 500-B Faceplate, Tuning Dial Glass, Complete Knob Set (0 replies)
  141. FA: Set of Branded Tubes for Fisher 500-B, C, etc. (0 replies)
  142. FA AVO VCM163 (0 replies)
  143. FS:CARY SE-1 AUDIO ELECTRONICS 300B STEREO TUBE AMP (0 replies)
  144. FA: Pair NOS 211 aka VT-4-C (0 replies)
  145. 6CA7 screen ratings. (8 replies)
  146. Svetlana SV811-3 ONE PAIR (0 replies)
  147. Valve/Tube Tester on U.K. Ebay (0 replies)
  148. EH 6CA7 pin size. (3 replies)
  149. Anyone Familiar with Audio Research D-70? (0 replies)
  150. Re: Hello :) (28 replies)
  151. FS: Audio rack for sale (0 replies)
  152. EL84 questions? (3 replies)
  153. Ya ugly RAT! (26 replies)
  154. FS: HEWLETT-PACKARD 334A Distortion Analyzer (7 replies)
  155. FA tube amp, nice... (0 replies)
  156. 76 (2 replies)
  157. I have posted a few pictures of my speaker cabinet. (2 replies)
  158. Wanted to buy: Seas Excel W22/W21's, Peerless XLS drivers, Lambda subs (0 replies)
  159. Re: Bridging Guitar Amp (9 replies)
  160. Earn $500 to $700 per Week Downloading FREE Software (1 replies)
  161. HP 333A DISTORTION ANALYZER & EICO 378 SIGNAL GEN (2 replies)
  162. THOUGHTS ON AR VT 130??? (0 replies)
  163. is this B.S. ?? (12 replies)
  164. Re: Powerline can go as high as 145V! (0 replies)
  165. NOS TUBES FOR SALE (0 replies)
  166. Xformer ? (1 replies)
  167. Answer to an FAQ: Using 6V6's In a Dynaco ST-70 (10 replies)
  168. Early GE FM stereo decoder information (1 replies)
  169. Anyone used a 6b5? (30 replies)
  170. Off Topic (slightly), Need Special Capacitor (8 replies)
  171. FS: misc Hammond xformers (1 replies)
  172. FS: Assemblage SET 300B amp (0 replies)
  173. FS: EH 300B Gold Grid Matched Pair -- $100 (0 replies)
  174. ANY THOUGHTS ON THE VTL 240WPC TRI CLASS TUBE AMP? (0 replies)
  175. are there really two 6C10's ? (12 replies)
  176. Free MANUAL downloads Vintage Audio Radio (3 replies)
  177. FS:Threshold NS10 Pre Amp (0 replies)
  178. Vintage amp suggestions for fisher 400c- Fisher or not? (2 replies)
  179. >>>FS: #7587 NUVISTORS << (0 replies)
  180. SV811-3 Svetlana Triodes (0 replies)
  181. Re: QUESTION about DC powering of filaments (4 replies)
  182. WANT: Audio or High Fidelity magazines 1957-1958 (0 replies)
  183. FS: 30watt 7591 McIntosh power amp (4 replies)
  184. Re: Newbie question: Any good resources on audio production? (0 replies)
  185. cardmatic tube tester question (1 replies)
  186. 6CA7 in AB2. (14 replies)
  187. Where would you use a transformer in a preamp/amp? (9 replies)
  188. New Production 6CW4 Nuvistors From Sovtek? (2 replies)
  189. WTB:USED SVETLANA 300B power tube (0 replies)
  190. bk 650 tube tester (0 replies)
  191. Audio Innovations P200 (1 replies)
  192. Old amp reconditioning and mods questions (9 replies)
  193. Re: Low voltage(15V) 12AX7 tube driver schematic for real? (6 replies)
  194. No wonder The Porkster is fat and stupid :-(( (0 replies)
  195. Is 12GB3 any use? (2 replies)
  196. Any New Production 7868's or Equivalents? (5 replies)
  197. Re: help (0 replies)
  198. Re: Tube Sale (3 replies)
  199. Re: Ah! 99 tube replacements? (2 replies)
  200. Re: New "preamp" (6 replies)
  201. 6c33 amp design glass audio (2 replies)
  202. Newbie question: how long should a brand new tube run-in? (2 replies)
  203. Re: NOS tubes - cheap!! (0 replies)
  204. Re: Longer-life pilot lamps (8 replies)
  205. Power supply question (2 replies)
  206. 83 mercury vapor rectifier (1 replies)
  207. yo!gggggrrrreeeeeggggggggggg! (5 replies)
  208. New plastic leads on Dynaco transformers (5 replies)
  209. Re: Matched 7868 Sylvania's (0 replies)
  210. Tube Tester calibration (2 replies)
  211. Any "reviews" of Patrick Turner's preamp? (5 replies)
  212. WTD: Opinions on Eico Iron (1 replies)
  213. FS: Bogen Amp (0 replies)
  214. Re: Bogen amp, 8417 tubes blow up, want my 6550 mo 100's? (0 replies)
  215. How to test ECL86/6GW8 (10 replies)
  216. Re: Tube availability and cost (2 replies)
  217. Jolida Blowing Tubes (8 replies)
  218. On restoring a Kenwood 1100u (0 replies)
  219. Re: FS: Matched 7868 Sylvania's (3 replies)
  220. What's a sovtek 5881 WXT+ (21 replies)
  221. FS: ECC83/Telefunken (2 replies)
  222. ?:Regulated filament supply (2 replies)
  223. Accurate RIAA filters in vintage equip. (8 replies)
  224. Re: E88CC / ECC88 / 6922 / 6DJ8 (0 replies)
  225. FS: WILLIAMSON G-400 Mono Power Amps (0 replies)
  226. FS: Custom SE-300B Stereo Amp (Sansui Trannies) (4 replies)
  227. FS: FISHER KX-200 Amp & R-200 Tuner (0 replies)
  228. FS: Electrovoice EV15TRXB (15" Triaxials, 16 Ohms) (0 replies)
  229. FS: JBL LE12C Speakers (12" Coaxials, 8 ohms) (0 replies)
  230. Large Diaphram mic elements for tube mics (6 replies)
  231. FS/T: WHARFEDALE W50 Speakers (0 replies)
  232. spice? (8 replies)
  233. Re: what is the effect of too small decoupling capacitor? (2 replies)
  234. Tube vs SS B+ (1 replies)
  235. Re: Minimoog oscillator (2 replies)
  236. Shure Unidyne 55S Mike (2 replies)
  237. FREE-Glass Audio (2 replies)
  238. test (0 replies)
  239. What is the effect of too small a decoupling cap? (3 replies)
  240. WTB: Original Audio Research SP-6 (0 replies)
  241. Re: New use old cheapo's (1 replies)
  242. SX-82 problem (1 replies)
  243. Re: Help identifying "ECC83 Made in India" (7 replies)
  244. Re: HP 410C VTVM (2 replies)
  245. Anyone selling an audio generator? (1 replies)
  246. AMC CVT2030 STEREO TUBE AMPLIFIER (0 replies)
  247. FS: Western Electric complete set of cards for cardmatic tube testers (0 replies)
  248. Newbie question: Any good resources on audio production? (0 replies)
  249. Dust a test post (0 replies)
  250. FS: PAIR Altec-Lansing 412A/T3000/N3000B (0 replies)