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  1. KT61 / EL33 / 6M6 (0 replies)
  2. FS: Ampex 351, 2-Trk ....LA....This Weekend ! (0 replies)
  3. Theta Tube Preamp Schematic (0 replies)
  4. What a day its been. (11 replies)
  5. Announcement: Building Homebrew Vacuum Tubes and Homebrew Transistors (85 replies)
  6. thermistor R56 Mcintosh MC240 (7 replies)
  7. TV-10 tube tester roller chart (1 replies)
  8. K-502 audio amp (0 replies)
  9. Needed: ARC D-150 Fast Meter (0 replies)
  10. WANTED:QUAD 2 Power amps, singles, pairs, 110 volt or 220, (0 replies)
  11. Wire for wireing a guitar tube amp (10 replies)
  12. How to tell if a short is in the Power Transformer - Dyna 70 (16 replies)
  13. RF signal generator question (13 replies)
  14. Nice to see some old familiar faces (0 replies)
  15. PING Mr. Dragan Nikolic (3 replies)
  16. posion (66 replies)
  17. WTB /Trade Bogen DB20 OT (0 replies)
  18. Wanted to Purchase -- Pre-Owned AMM "JISCO" Attenuator Device (0 replies)
  19. FS: CARY AMPS CAD-100 Tube (3 replies)
  20. Radio City Products 801 M Tube Tester (0 replies)
  21. WTB: Heathkit UA-2 power amp (0 replies)
  22. FS: MCINTOSH A116 Mono Amps (Original) (0 replies)
  23. FS: MCINTOSH MX-110 Tuner/Preamp (0 replies)
  24. FS: Fisher FM-100B Stereo Tuner ($100.) (0 replies)
  25. WTB: Pair Altec 909-8A Drivers (or similar) (0 replies)
  26. FS: ALTEC T3000 (Horn Twtrs) & N3000 (X-Overs) (0 replies)
  27. FS: DYNA FM-5 Tuner ($35.) (0 replies)
  28. Re: MUST SEE THESE AMPS ON EBAY (1 replies)
  29. 7378/qe08-200 (1 replies)
  30. Stay away (9 replies)
  31. Needed fuse holder for Mac240 (1 replies)
  32. Restoring Dyna st-70 chassis (2 replies)
  33. Chassis, Powder or Nickel (22 replies)
  34. Battery Powered Phono Preamp PCB (3 replies)
  35. Message from a Bottle (9 replies)
  36. Sub woofer (4 replies)
  37. stupid ebay auction (10 replies)
  38. Dont you hate it when........ (12 replies)
  39. UPS and FEDEX (18 replies)
  40. Swen and the micro**** upgrades.... (15 replies)
  41. Fred Nachbaur. Help! (1 replies)
  42. FS: hundreds of old tubes (1 replies)
  43. Radio Craftsmen R-1000 Receiver Info Needed! (0 replies)
  44. FA: The Fisher SA-300-B Tube Amplifier (0 replies)
  45. Nuvistor phono pre-amp (5 replies)
  46. Mad Science for RATS (11 replies)
  47. Getting rid of SWEN (26 replies)
  48. Preamp for Sound photodiode? (12 replies)
  49. >--- INCREASE ---> knob (1 replies)
  50. Porter Baldridge ?? (1 replies)
  51. Looking for Help identifying German Tube Receiver (4 replies)
  52. How to measure µ? (56 replies)
  53. FA: Pair of Philips E88CC SQ, 6DJ8 (0 replies)
  54. FS: JBL C56/"Dorian"/Lancer 101 NY P/U (0 replies)
  55. Cary slp 50 schematics (0 replies)
  56. Testing output transformers (3 replies)
  57. Anyone know what happened to Sound Valves amp manufacturer ? (2 replies)
  58. FS : 2 pieces of NOS TUNGSOL JAN6336B (0 replies)
  59. FS : NOS VT231 (one of the best sounding 6SN7GTs) (0 replies)
  60. where to buy tubes online? (1 replies)
  61. For Trade- Pair of Rare Regency 350A Monoblocks (0 replies)
  62. nuvistor (2 replies)
  63. FA: Matched Pair of NOS Cetron 300B Tubes made in USA (0 replies)
  64. People SELL the wierdest sheet... (2 replies)
  65. OP-AMP like circuit in old audio amp (P-P) in old radio (75 replies)
  66. wanted bogen MC330a schematic (0 replies)
  67. Suggestions for a tube that shows lots of filament (9 replies)
  68. FS: Beitmans/Riders (0 replies)
  69. FS: Tubes (0 replies)
  70. Poly caps or electrolytic caps? Which sound better? (in a guitar tube amp) (25 replies)
  71. Building some PP 300B amps - Want one?? (2 replies)
  72. Burroughs BX-1000 Beam power Switching Tubes (3 replies)
  73. WTB Heathkit W-1 (0 replies)
  74. Upgrade your system... (9 replies)
  75. What happened to Svetlana? (18 replies)
  76. FA: Two boxed 2A3 power audio triode tubes NOS (0 replies)
  77. Coax as speaker cable??? (67 replies)
  78. RCA has resumed selling tubes????????? (15 replies)
  79. gEDA for RATz (4 replies)
  80. Restore Citation 1 and 2 ? (3 replies)
  81. FA: Seimens 6CA7 Matched Quad (0 replies)
  82. FA: Raytheon 6CA7 Pair (0 replies)
  83. Beveridge speaker film source (2 replies)
  84. Tubes production (1 replies)
  85. Hiya RATS! (12 replies)
  86. opinion??; pilot 230 integragted amp (1 replies)
  87. ? Tube Caddy wood Plans ? (1 replies)
  88. People buy the weirdest ****e... (8 replies)
  89. Absolute easiest tube preamp to built (8 replies)
  90. WTB Mcintosh MX110 outer glass (2 replies)
  91. Polycarbonate Dielectric Coupling caps (1 replies)
  92. Newbie question: Any good resources on audio production? (1 replies)
  93. Tube compatibility (4 replies)
  94. Metal Oxide Resistor (4 replies)
  95. 12CG7 tube. Help... (4 replies)
  96. EF86 preamp with static noise (4 replies)
  97. FS: Rogue Audio 99 Magnum Preamp w/Phono (0 replies)
  98. FS: Eico 667 tube tester (0 replies)
  99. FA Rebuilt Dynaco ST70-Mullard tubes!!! (0 replies)
  100. KS-16096 and WE 458B tubes (4 replies)
  101. FS: Ampex Tube 351 2-ch & Ampex 300 mono... Tape deck (0 replies)
  102. Ei...what's with this company ? (3 replies)
  103. Power Supply Regulator, Clicking Problem (6 replies)
  104. Good driver for 6V6 / EL84 SE? (1 replies)
  105. FA: Matched Quad of NOS/NIB GEC KT66 (0 replies)
  106. Dynaco SCA-35............one word.....WOW (4 replies)
  107. Help with 12AT7 tube (16 replies)
  108. Are other brands as good as Fisher was? (3 replies)
  109. Subbing 6V6 for 7355 (5 replies)
  110. Dynacord King (0 replies)
  111. FA:COLLINS Vintage Transmitter..Very Nice! (4 replies)
  112. * Audio News and SCAM ALERT (4 replies)
  113. Re: Valve Art KT100?? Can I use this tube? (1 replies)
  114. Re: Lamination restoration (0 replies)
  115. OX/OY Resistors (34 replies)
  116. DIY Amp - Tone controls update (semi-long). (1 replies)
  117. [F?]*1 Used* Gold Lion KT88 (1 replies)
  118. Harman Kardon TA5000X Receiver (0 replies)
  119. Restoring Antique TV (23 replies)
  120. 211 Ultra Linear PP output stage?? (9 replies)
  121. 1U5 and 1L4 tubes for sale (0 replies)
  122. Yup, I'm crazy... (36 replies)
  123. FS: Pair of J B L L E - 12 C (12" Coaxials) (0 replies)
  124. FS: FISHER KX200 Amp & FM100B Tuner (0 replies)
  125. FA Pair Mullard 47 power pentode tubes NOS (0 replies)
  126. FS: NOS GZ34 E80CC (2 replies)
  127. GE or RCA 211 4VC (2 replies)
  128. WTB Mcintosh MC240 (0 replies)
  129. How to use a variac- Turning on a Dynaco ST70 (1 replies)
  130. FS: UNIVERSITY 3-Way Spkrs (Semi-Corner Loaded) (1 replies)
  131. FS: Korting Model 941 Floor Radio (w/ Turntable) (0 replies)
  132. Eico HF20 Pin Voltage (3 replies)
  133. A Tube FAQ? (1 replies)
  134. Citation V Part Needed (0 replies)
  135. Understanding Tube Testers (LONG) (7 replies)
  136. Help with my Fisher 800-c (1 replies)
  137. PC based amplifier testing using soundcard (14 replies)
  138. - Cartridge Alignment Tool - (5 replies)
  139. Need 6c19pi data (6 replies)
  140. DIY AMP Tone controls don't work - help? (4 replies)
  141. FA Pair unused boxed Tung-Sol 6A3 tubes - 1930s vintage (0 replies)
  142. Microphone recommendations (35 replies)
  143. Sweep Tube Amp / Design story (7 replies)
  144. MC67 and the 12AT7 mixer (8 replies)
  145. Advice- Tub mic maybe (1 replies)
  146. for all geetah Rodent nutzs (3 replies)
  147. opruiming bij RuadHiFi (0 replies)
  148. Regulated screen supply useful for other things? (5 replies)
  149. *And The Winner is...* (21 replies)
  150. Re: Audiophilia updated (4 replies)
  151. Re: Amperex 'Bugle Boy' 6CW5's (3 replies)
  152. Rogers HG88 parts (0 replies)
  153. WTB:Eico HF-89 amp manual (0 replies)
  154. FA: RS237 power triode (0 replies)
  155. Re: Dynaco SCA-35 vs. modern recievers? (7 replies)
  156. Re: Western Electric 374A Tube (1 replies)
  157. Re: "Navy Anchor" 6SN7GTs (1 replies)
  158. FS==83'S========== (0 replies)
  159. Sherwood S-8000 Schematic and Case needed (1 replies)
  160. Large collection of tubes for sale (1 replies)
  161. WTB: Fisher power amp (3 replies)
  162. One day left to vote... (3 replies)
  163. speaker terminals for Dyna ST-70 (1 replies)
  164. JAN 5847A (4 replies)
  165. pinging Ronald Pit (0 replies)
  166. ATP4 (0 replies)
  167. FA 2 Brimar 6SL7 6SL7GT NOS-NIB Tubes (6 replies)
  168. FA GEC CV1067 l63 6J5 6J5GT NOS-NIB (0 replies)
  169. FA 2 Telefunken 803S NOS (0 replies)
  170. FS: FISHER FM100B Stereo Tuner ($100.) (0 replies)
  171. FS: DYNACO SCA-35 Integrated Amp (0 replies)
  172. Dynaco PAS pot replacement. (9 replies)
  173. What amp? (0 replies)
  174. Q how to safely test tube amp (6 replies)
  175. FS: 6550 RCA (1 replies)
  176. FS: EL34/6CA7 (0 replies)
  177. Info Wanted Altec Mod. 15 speakers (1 replies)
  178. UTC LS-10 LS-10x's Input Trannys (0 replies)
  179. Burning in old toobs? Strange... (16 replies)
  180. marshall vintage tube retainers hoods ebay (0 replies)
  181. 6lw6 / 26lw6 curves? (4 replies)
  182. My first amp -- opinions? (10 replies)
  183. UTC LS-10 LS-10x's Input Trannys (0 replies)
  184. Mullard EL34 Type 1's Made in Holland 1950's (0 replies)
  185. Schematic needed: Single Ended Kt88 power amp without NFB (12 replies)
  186. FT/ Transformers (0 replies)
  187. Hickok 799 (2 replies)
  188. FS: Pair ALTEC T3000 / 412 (12" Biflex) / N3000 (0 replies)
  189. FS: JBL LE-12C Coaxial Speakers ($250.Pair) (0 replies)
  190. FS: eXemplar Midrange Horns (For 1"Drivers) (0 replies)
  191. Amp/Speaker Impedance matching query (1 replies)
  192. Screen grid wire?? (22 replies)
  193. FA: Hickok 752A Tube Tester (0 replies)
  194. FA: Matched Pair of 6L6GB Tubes for Audio (0 replies)
  195. FA: 6SN7WGT JAN - Brown Base - 8 Matched Tubes (0 replies)
  196. FA: Tweeters - ElectroVoice Wolverine (0 replies)
  197. FA: ElectroVoice Model X36 Crossover Network (0 replies)
  198. FA: ElectroVoice Wolverine Crossover Network (0 replies)
  199. Test settings (0 replies)
  200. F/A:Vintage Sargent Rayment"Tube" Pre/Tn $89.50 (0 replies)
  201. EL95/6DL5 Hickok settings (2 replies)
  202. Dynaco Brochure (0 replies)
  203. Re: Nichicon Electrolytic capacitors for sale. 220Uf 450Volts (0 replies)
  204. Re: transformer Laminations (12 replies)
  205. Where to get KT88s for Dynaco? (6 replies)
  206. ATP4 (3 replies)
  207. Wanted: Harman Kardon A250 Tube amplifier...Working or not... (1 replies)
  208. Re: is there a paper on how to calculate amount of feedback? (3 replies)
  209. FS: Counterpoint SA-1000 Pre Amp - Lower Price (0 replies)
  210. Re: eBay Auction of the YEAR! (4 replies)
  211. help ID some tubes (0 replies)
  212. shishido amps folder on bin's (9 replies)
  213. F/A: 18 Vintage "The Fisher" Tuning Knobs w/caps (0 replies)
  214. Re: KT88 SE (2 replies)
  215. Re: Wither Loftin-White? (0 replies)
  216. Heathkit AA-61 and AA-81 (0 replies)
  217. FA: Conrad-Johnson PV10A vacum tube preamplifier (0 replies)
  218. FA: Conrad-Johnson MF2300A FET power amplifier (0 replies)
  219. EICO 667 Tester Questions (1 replies)
  220. EASY way to power tube audio projects (6 replies)
  221. Marshall Tube Retainers Hoods Original - Ebay (0 replies)
  222. I need scan from one AA-tubes are for pooooooftas! (1 replies)
  223. I must be mad . . .. (6 replies)
  224. Re: Altec 19's in/near Ohio (0 replies)
  225. Ya Ugly RAT - voting time! (0 replies)
  226. Ya Ugly RAT - voting time! (10 replies)
  227. FA: Heathkit 10-4550 Dual Trc. O-Scope...ends in 90min. (0 replies)
  228. WTB: Altec 19's in/near Ohio (0 replies)
  229. Re: Radiometal? (2 replies)
  230. Prince of Darkness (42 replies)
  231. TOTALLY SHAGGED TRANSFORMER (20 replies)
  232. using ecl84's as a small tweeter amp? (3 replies)
  233. [Fwd: Old PP outputs stages] (14 replies)
  234. FS: University 3-way Spkrs (Horn mids-twtrs/15" woofers/X-overs) (1 replies)
  235. FS: GZ-34 (0 replies)
  236. Mullard/Phillips ECC81 (0 replies)
  237. FA : 8 pieces of VT231 (4 TUNGSOL's and 4 SYLVANIA's) (0 replies)
  238. Caps fpr RAT's (0 replies)
  239. Re: 5AR4 (3 replies)
  240. EBay Slowdown (11 replies)
  241. 6SN7 / 12SN7 (7 replies)
  242. Parasitic oscillation in MC60 (5 replies)
  243. FREDs (12 replies)
  244. FA: N.O.S. 872A rectifier tubes (0 replies)
  245. FS: 2A3's (1 replies)
  246. Heathkit (0 replies)
  247. Re: Any suggestion about 12AT7 for Leak TL-50+? (2 replies)
  248. Re: McIntosh MX110 (3 replies)
  249. HELP---ALLIED KNIGHT "VERY VINTAGE" (3 replies)
  250. TVA 1X Valve Power Amp (0 replies)