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  1. 811A's, Dual Grid and Class B triodes (11 replies)
  2. Homebrew Printed Circuit Boards (83 replies)
  3. Iain Churches Web Site (19 replies)
  4. Heathkit AA151 Stereo Amp (2 replies)
  5. Valve radio (2 replies)
  6. what's everyone building these days? (52 replies)
  7. Blowing Tubes Nightmare... (9 replies)
  8. Canadian Pressed Vinyl FS-Nearly 29,000 Items Online (0 replies)
  9. FA: Matched Quad 1958 Amperex EL34 DD getter (13 replies)
  10. LUDPIG = PSYCHOPATH (18 replies)
  11. FS: Moscode 401HR (1 replies)
  12. First Tube Amp (23 replies)
  13. Question about Plate Chokes vs Resistors (6 replies)
  14. FS: WEstern Royal Vintage AA5 Radio (0 replies)
  15. So (9 replies)
  16. SoJo 104.9 question? (3 replies)
  17. Real OPTs now used in my Sony receiver tube amp project (6 replies)
  18. Need EL34 grounded-grid curves (30 replies)
  19. FS: Vintage Western Royal 5 tube radio (4 replies)
  20. Wanted: Heathkit Legato Speaker (0 replies)
  21. Is there any point in reading this ng anymore? (7 replies)
  22. WANTED TO BUY-"RCA Sound" large cassette player-stereo model (0 replies)
  23. Wanted : Heathkit Lagato speaker (0 replies)
  24. [Fwd: FA: Pair McIntosh C8 Mono Preamp 12AX7 Tubes Excellent C-8300093857630] (46 replies)
  25. FA: Pair McIntosh C8 Mono Preamp 12AX7 Tubes Excellent C-8 300093857630 (1 replies)
  26. FA: McINTOSH MAC 1700 TUBE RF RCVR DAVE O'BRIEN CERTIFIED 220095054145 (0 replies)
  27. FA: McIntosh MX117 (MX-117) Preamp/Tuner Combination 120100504903 (0 replies)
  28. Pat Turner= Scumbag of Canberra (7 replies)
  29. Any SS foks here : 15003 readings (13 replies)
  30. Another Ear Question (27 replies)
  31. Valve Numbering Systems : 6K7 vs 6SK7 (2 replies)
  32. Cheever's thesis (10 replies)
  33. FA: Dukane 6V6 Push-Pull amp (0 replies)
  34. FS: Tandberg, Electrovoice (0 replies)
  35. Basic electronic information. (0 replies)
  36. Valve Life 6922 ? (5 replies)
  37. Phil Allison spits the dummy in a big way, yet again. (24 replies)
  38. FA: 4 x TELEFUNKEN EF804S mint in boxes (0 replies)
  39. FS: Russian tubes (0 replies)
  40. Distortion in amplifiers. (164 replies)
  41. EI12AX7 Tubes and CAL Alpha DAC (7 replies)
  42. Re: Lord Valve, Ex-Spurt --- Re: Please explain 4, 8, 16ohm differences? (4 replies)
  43. Glass Audio on CD. (7 replies)
  44. FA: Dukane 6V6 Push-Pull amp (0 replies)
  45. FA KLIPSCH FORTE IN THE BOXES (0 replies)
  46. Video: Brian meets with Patrick in Australia (3 replies)
  47. FA: Nos preamp tubes 5751, 12ax7wa, 6dj8, e80f, cv4024, e81cc (0 replies)
  48. fender 135 watt twin reverb picture request (19 replies)
  49. FA: 1961 Allied Radio Electronics catalog (0 replies)
  50. fa jolida tube cd player (0 replies)
  51. fa klipsch forte in the boxes (0 replies)
  52. Re: PEAVEY P.A. SET UP (8 replies)
  53. Hong Kong Audiophiles (19 replies)
  54. fa sound valve tube amp dynaco st70 (0 replies)
  55. fa cary tube preamp (0 replies)
  56. maida regulator (2 replies)
  57. What happens When You Get 18 Morons Together on eBay? (9 replies)
  58. Wanted: schematic for Heathklit A8A amplifier (4 replies)
  59. DIY Turntable Steal! (2 replies)
  60. FA: (2) RCA 5691 / 6SL7GT Red Base Vacuum Tubes (0 replies)
  61. klipsch forte in the boxes (0 replies)
  62. FA: 1950 's Vintage Fender Tremolux 5E9-A Tube Amplifier (0 replies)
  63. test (0 replies)
  64. A psychologist's view of Hi-Fi fetishism (29 replies)
  65. mesa boogie mark iv (15 replies)
  66. Siemens E81CC ID Help (0 replies)
  67. WTB/WTT: 6900 Tube (0 replies)
  68. Re: Funny Videos (0 replies)
  69. mini survey: sonic characterics techno-speak (4 replies)
  70. Porting of very small speaker cabinets (11 replies)
  71. fa mac 1500 tube receiver (0 replies)
  72. fa mcintosh tube receiver (0 replies)
  73. 100 Vintage Sperry Gyroscope-selected NOS JAN-6SN7-GT: FS ebay (1 replies)
  74. Andrew Chung and the Heathkit A8A (0 replies)
  75. Pentode-Triode Sound (6 replies)
  76. Sound recording(s) requested (0 replies)
  77. Kennedy assassination (0 replies)
  78. Ming Da Tube Amplifiers and preamp in stock in Georgia (0 replies)
  79. Ming Da Tube Amplifiers and preamp in stock in Georgia (0 replies)
  80. Is hum from the heater circuit capacitively coupled ? (18 replies)
  81. how to test 4cx250B in ct160 (5 replies)
  82. 12AX7's promising immortality! (2 replies)
  83. F-30 TUBE FIVRE (0 replies)
  84. WTB: Allen #20 Mono 6L6GC Amp (0 replies)
  85. Report from Greenwich Village HISTORY OF BOB MOREIN STALKING (5 replies)
  86. fa tube amp, tubes,and speakers (1 replies)
  87. Power tranny (31 replies)
  88. Tube amp trouble (2 replies)
  89. MM versus MC (5 replies)
  90. PHONE PREAMP (8 replies)
  91. help setting bias for a sound valve amp (8 replies)
  92. Vintage Hi-Fi books on E-bay at very low prices (0 replies)
  93. FOR SALE: TUBE TESTER (9 replies)
  94. Revox Model 40 Amplifier (7 replies)
  95. FA Grommes 260A (0 replies)
  96. KS-5727-L1 Manual (0 replies)
  97. AR & CJ's Secrets? (4 replies)
  98. fa cary single ended tube amp (0 replies)
  99. FA: Pair of totally rebuilt Dynaco Mark 3 power amps (0 replies)
  100. Yo, fellers, help out Bret Ludwig's ladyfriend (5 replies)
  101. Re: Interpreting scope traces (0 replies)
  102. Re: Interpreting scope traces (1 replies)
  103. Re: DC Coupling. Advantages? (2 replies)
  104. 6SN7GT vs 6SL7GT vs 6SU7GT (9 replies)
  105. FS: Gates SA39B..Tube Limiter.. (0 replies)
  106. Critical Damping (37 replies)
  107. LF Manual for Accurate Model #151 Tube Tester (1 replies)
  108. WE Trans. D-159356 & RET.241-E..Tiny Pic 157A (0 replies)
  109. Fisher radio advertising,vintage (0 replies)
  110. DC Coupling. Advantages? (57 replies)
  111. What's your winding resistance? (2 replies)
  112. 250W P-P Amp Project (14 replies)
  113. Would substitute would... (4 replies)
  114. Re: Windsor Dorkbot EEYORE REALLY ROBERT MOREIN? (0 replies)
  115. 6080 audio amp? (25 replies)
  116. 6DJ8 vs. 12AX7 (46 replies)
  117. FA; Jack Darr Book "Electric Guitar Amplifier Handbook" (4 replies)
  118. WTB: Ampex 517 speaker (7 replies)
  119. Re: Fun with caps... (1 replies)
  120. help with a tube ID (on the long side) (0 replies)
  121. Re: Brian McCarty - NUTCASE, CRACKPOT, DANGEROUS NET TERRORIST & (1 replies)
  122. FA: Dynaco Tube Preamp w/Mods (3 replies)
  123. Re: Fun with caps... (0 replies)
  124. Re: Fun with caps... (18 replies)
  125. Knight KG-240 tube amplifier schematic wanted (2 replies)
  126. Series or Parallel Woofers? (9 replies)
  127. FA: Vintage I.P.C. Theater Horn and Drivers (0 replies)
  128. Does output Z setting affect sound? (2 replies)
  129. Quad 2 monobloc amp mods (5 replies)
  130. FA: 12AX7 Vacuum Tubes, One Pair (0 replies)
  131. FA:MX-949 adaptor set for I-177 tube tester (1 replies)
  132. Balanced phono stage (17 replies)
  133. RAT TOM substitute (0 replies)
  134. Is this for real? (3 replies)
  135. Need help rebuilding Sansui AU-111 tube receiver (12 replies)
  136. fa new old stock tubes and more (1 replies)
  137. Sonic 58, 60 (0 replies)
  138. Mic Cable for Interconnects (41 replies)
  139. Soldering suggestion (4 replies)
  140. Amp oscillation (116 replies)
  141. Cheap DIY project (3 replies)
  142. Where can i find 200k...? (0 replies)
  143. 3P41 Japan Tube data need- HELP (1 replies)
  144. Spice 3f4 model for the 7719 triode (0 replies)
  145. FA: Raytheon 5751 Quad Set Windmill Getters (12AX7) (0 replies)
  146. Meter Use (3 replies)
  147. cheaper tube DIY projects (28 replies)
  148. WE 396A and 404A, where used? (2 replies)
  149. Yet another facet of the Krooger problem (4 replies)
  150. You tubeheads are a bunch of assholes (15 replies)
  151. 6SN7/6SL7 adaptor for 12AX7/12AT7 holes? (8 replies)
  152. Got my 5751 I think (0 replies)
  153. Feedback Stability Margin (10 replies)
  154. Report from Greenwich Village HISTORY OF BOB MOREIN STALKING (0 replies)
  155. 1950's Sperry Gyroscope-selected NOS matched pair 6SN7-GT : FA (0 replies)
  156. FA: 2 quads Sylvania 6550 rare welded plates, Avo tested. (0 replies)
  157. power resistors (0 replies)
  158. various power resistors, 5 to 26 watts, to get rid of. (0 replies)
  159. FS: NOS Thordarson 12 Henry Choke T-17C00-B (0 replies)
  160. Restore your data (0 replies)
  161. RE: R&D Instruments model 1575 Tube Tester..? (3 replies)
  162. Fender Model 26 schematic wanted,.. (0 replies)
  163. Bogen Challenger Model CHB 14 PA (3 replies)
  164. Marantz 8B and Dynaco ST70 (34 replies)
  165. Sherwood S-5000II Volume POT (6 replies)
  166. almost free: Thordarson transformers T-70R61 (1 replies)
  167. You want a WHAT??? (7 replies)
  168. R-Core Xfr. (13 replies)
  169. almost free: 10 Henry choke (1 replies)
  170. almost free: Thordarson transformers T-70B61V or T-70R61V ? ? (0 replies)
  171. almost free: 6.3 VAC 10 amp filament transformer (1 replies)
  172. almost free: Thordarson transformers T-70B61V or T-70R61V ? ? (0 replies)
  173. 500k pot... (5 replies)
  174. FS: NOS, Thordarson T-17S18 500 ohm to voice coil transformers (1 replies)
  175. Western Electric Transformers, Filters, REP...etc...? (1 replies)
  176. Dynaco ST-70 noise problem *fixed* (4 replies)
  177. FA: GZ34/5AR4 Amperex (0 replies)
  178. JAN FAA JHS (2 replies)
  179. FS: NOS, Stancor transformer P-4045 (1 replies)
  180. FS: NOS, Stancor transformer P-6009 (1 replies)
  181. FS: Thordarson Choke T-17C00-B (0 replies)
  182. FA: audio tubes NOS 12ax7 12au7 CV4024 e88cc el34 etc. (3 replies)
  183. A Strange Radio Station in the 1920s (6 replies)
  184. good starter amp (10 replies)
  185. DIY Audio website down? (4 replies)
  186. Getting a new tube (6 replies)
  187. Re: Poor widdle Krooborg (0 replies)
  188. Re: Poor widdle Krooborg (0 replies)
  189. Speaker Arrays - completed project (3 replies)
  190. HELP- CONVERTING A KT 88 TO A 2A3 (2 replies)
  191. Arnii Krooliar is on the march! (8 replies)
  192. Re: For Scottie ! Is it a war or isn't it ? (0 replies)
  193. Bias and Balance pots (2 replies)
  194. Huge lot of tubes.... recommendations? (10 replies)
  195. PIONEER SX-1000TW RECEIVER-MINT-W/SPEAKERS-150 WATTS PER CHANNEL- (0 replies)
  196. Re: OK, toopid, I took your criticism to heart... (4 replies)
  197. ISO LP Terminator article (0 replies)
  198. My Latest addition, a Dynaco ST-70 tube amplifier (20 replies)
  199. Arnii Krooborg, Low Priest of Scientism (1 replies)
  200. Wanted RCA 7027 Metal Base. EV 15TRXB (0 replies)
  201. Real 'borgs don't spin vinyl (7 replies)
  202. selenium rectifier spice model (2 replies)
  203. Sears Silvertone Medalist VINTAGE 1960's console stereo w/remote speaker-tube tuner-NICE-ONE CENT ! (5 replies)
  204. Wanted EV 15TRXB, 7027 Metal Base (0 replies)
  205. Safe for 4 ohms into 8 ohms? (125 replies)
  206. RE: Langevin AM 5301 Limiter (0 replies)
  207. Sliding Bias (5 replies)
  208. Newbie - 12AX7 (7 replies)
  209. CES / THE Show Coverage Now Online (0 replies)
  210. FA: 12AX7 Vacuum Tubes, One Pair (0 replies)
  211. FA: 12AX7 Vacuum Tubes, One Pair (0 replies)
  212. Looking for Viking Rp61 Preamp schematic (0 replies)
  213. Cary SLP-90 Help Please (2 replies)
  214. New amp (29 replies)
  215. SALE TUBE NEW (1 replies)
  216. Wow, one watt is really very little energy (8 replies)
  217. Wow, one watt is really very little energy (19 replies)
  218. KISS Amp 300B Ultrafi finalized; circuit updated (130 replies)
  219. Check out the Panasonic DVD S52 player! (0 replies)
  220. Black Plate (3 replies)
  221. Silvertone Hum (11 replies)
  222. FA: Pair NOS 3B28's, Pair NOS 807's+ 866A + 5R4GTY (0 replies)
  223. Dyanco problem (15 replies)
  224. Poopie B'ar has the magic lamp! (0 replies)
  225. Z326 & Z216 (1 replies)
  226. FA: Rare NOS tubes: Gec KT66, M8157, E88CC and more (0 replies)
  227. F A : EC8020 Telefunken NOS/NIB pair (0 replies)
  228. FS: RCA BA-21 A Tube Pre-Amp. (0 replies)
  229. Tube list (17 replies)
  230. Hearing is not required (0 replies)
  231. Plastic Bobbins (26 replies)
  232. Test 300B on Hickok 752? (22 replies)
  233. .More CES Pre-Show Sneak Peaks. (2 replies)
  234. tube amp resistors for sale (1 replies)
  235. Re: Ribbon mics (0 replies)
  236. Dynaco ST-70 noise problem (14 replies)
  237. fa 20 new old stock tubes (0 replies)
  238. Ignix n°21 (0 replies)
  239. Getting started in DIY audio. (17 replies)
  240. Valley & Wallman: Vacuum Tube Amplfiers, Vol 18 of the MIT Radiation Laboratory Series (0 replies)
  241. MIT Radiation Lab Series books for sale (0 replies)
  242. .CES 2007 Show Coverage Online. (44 replies)
  243. Nordmende 3004C (2 replies)
  244. SFR E150 ( Triode ) - SYLVANIA - VT 25 ( 10Y ) - SFR - E.130 (0 replies)
  245. Light of B (1 replies)
  246. Arny "Slapdash" Krueger joins the ignoramus pool (22 replies)
  247. Can this ignoramus really be an engineer? (89 replies)
  248. JJ EL34 Corner Cutting? (1 replies)
  249. Re: Please identify these pcb materials (0 replies)
  250. Digging into the Stax of my music (9 replies)