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  1. Best Tube 4 Solid State
  2. Problem with Quicksilver amp
  3. cathode amp
  4. Wanted: 6922 / 6DJ8 Preamp Kit / Schematic
  5. How about a P-P DHP amp?
  6. simple, cheap, 6L6 amp? help
  7. 417A Line Amp
  8. Single end 6550 or KT88 amp Ideas please
  9. Simple cheap 2A3 stereo amp
  10. Triode Amps
  11. Audiopax 88 Power Amp
  12. Prefered type of components
  13. I found more junk!
  14. My Preamp
  15. Hum when volume is turned down
  16. Req. What does this parameter mean?
  17. Frank's Ultimate Tube Preamp.
  18. Mullard 5-20
  19. 156C... even cheaper now.
  20. Simple IT PP
  21. Dumb question: How do I increase Dp on this SET?
  22. Experiences with S&B102 TVC
  23. Melos High Current Triode
  24. Re-tubing Quickie M60 (EL34 quads)
  25. A new fashion tube design!
  26. mmm.... zero-bias class B twin triode amp
  27. 6SN7 redone
  28. Need some help with this...
  29. What tube is this?
  30. KT4040 Kit
  31. so here's how it sounds : (300b)
  32. Mullard 3-3
  33. shielding cans
  34. Help with common-cathode circuit.
  35. Hammond 125E improved?
  36. Separate power supply chassis- with a difference!
  37. 1St Tube Amp
  38. Help - tube radio
  39. Help newbie with tube-amp schematics
  40. This Guy is unbelivable!
  41. Strange filament behavour
  42. Triode curves for 6CA7, KT88 and 6550
  43. Well, tell me what you think ( 300b )
  44. More of Joel's preamp...
  45. data for 6V6 in triode mode?
  46. Help me design a pre with odd looking tubes
  47. Suggestions for top bal out tube pre?
  48. Plus biasing heater (220vdc above ground)
  49. Quicksilver 8417 tube install
  50. Help with R values
  51. With a bang and a flash - it works.....ideas anyone?
  52. Quad II eating valves?
  53. sunday daydreamin'
  54. Thrift store find
  55. New WE 300b's blue glow
  56. Current limit of EL84 grid?
  57. QuestionSSS about 300B circuit
  58. Help with new project...
  59. help needed from the 300b crowd!
  60. 1937 Gibson guitar amp
  61. Humming problem with 5687? SE amp design.
  62. QUAD II mains at 240VAC instead of 220VAC?
  63. monoblock vs. one chassis?
  64. EL 156 - what to do?
  65. Joel's 6SN7 preamp (photo)
  66. Newbee looking to build Valve Preamp
  67. The attraction of vacuum tubes / valves.
  68. What do with these tubes...
  69. looking to make simple distortion pedal
  70. Simple tube preamp...
  71. LCR RIAA AND TUBES.
  72. WTB Output Transformers
  73. 2A3 pp biasing schemes compared.
  74. 7199 glowing purple?
  75. Preamp has Neg waveform clip at 11.3 volts out
  76. Remote Controlled Tube Amp
  77. A few questions
  78. Using relays in high voltage circuits
  79. TDA1541 with passive filter
  80. tune 'em up - old russian radios
  81. Gas-coupled 6L6/6BG6-G SE
  82. 01aa?
  83. Gain for common anode....
  84. Too much capacitance in power supply?
  85. Aloha
  86. Gary P's Pre
  87. Instock designer in potential lawsuit!!
  88. Troubleshooting Problem in Tube Preamp
  89. 0.5ml of Snake Oil for $59
  90. Output impedance
  91. to DIY or not to DIY
  92. the OTHER tubes forum=yuck!
  93. 3A/110B into a LL1680 Preamp
  94. New output transformers for Quicksilver amplifier
  95. 2 output transformers in 1 amp?
  96. Parallel feed OT
  97. DIY Tube Microphone preamplifier
  98. 6M5 valve
  99. Can I use a 1/8 watt resistors here?
  100. toroid Transformer as power Transformer for tube
  101. Trying to find............
  102. Balancing output tubes by changing heater voltage.
  103. Push Pull Output Stage Question
  104. auto bias on a Quicksilver KT-88 amp
  105. SEPP for philips 800 ohm loudspeaker
  106. anyone tried 12HG7 as a driver ?
  107. Old tube amp
  108. Testing paper-in-oil capacitors
  109. need ´´quiet´´filament supply for 26
  110. New Guy w/my Foreplay
  111. Spice models for circuitmaker
  112. I need the Schematic of Audio Research ph3
  113. Audio Research SP9 guilty of screeching sounds!
  114. Humm
  115. Technics variation of Futterman SEPP.
  116. How low should PSU ripple voltage be in a preamp?
  117. Tube tester
  118. 6dn7
  119. Power supply Schematic Counterpoint SA -3000 Help!
  120. counterpoint sa-7(volume pot value)
  121. Tube amp equivalent to LDC?
  122. Pics of Foreplay Preamp
  123. Old Valco Amp Tube Problem
  124. Tube mixer design
  125. Battery bias?
  126. Phono amp for a beginner
  127. Low voltage Tube Schematic
  128. Audio Research MCP 33
  129. 6h30 dac output circuit wanted..anyone?
  130. 5Y3GT Question.
  131. Sovtek 6C45pi-E bias
  132. Cunningham/Radiotron RCA 58
  133. no connections at all!
  134. Thorsten's Chokeless Monkey 2a3
  135. No grid connection
  136. grid chokes
  137. Oh yeah, 7KY6
  138. Time to rock your world.
  139. Best way to connect 300B cathode
  140. #26 lineamp vers a 5687 which is best?
  141. Alu-foil electrostatic shield
  142. 6DJ8 cathode heater voltage question.
  143. All Tube Ccs.
  144. Slew Rate Limiting... continued.
  145. DC variacs?
  146. HV Valve Shunt reg.
  147. toroid Transformer as output Transformer for tube preamp?
  148. PP-1c as Ultralinear
  149. Hi/Review Design
  150. Help with a circuit
  151. My 6SL7, 2A3 SE design
  152. jack probs
  153. 6SN7 tubes
  154. 3 Electrode gas regulators
  155. Mod to an old radio
  156. Replacing a driver tube in an existing EL84 SE Amp
  157. 813 valves
  158. Acro TO-300 output transformer
  159. Anyone have a picture of the Silver Seven?
  160. good sound with cheapo chokes
  161. Questions about a choke
  162. max DC-current for an unknown PS- Choke?
  163. Availability of 6C33C tubes? I need some for OTL amps
  164. 7805 regulated 5V supply
  165. Setting Pentode Screen Grid Voltage
  166. More 6158/13D3
  167. Best PSU.
  168. Low power tube amp for headphones
  169. Basic question on 6922
  170. LM317 current regulator
  171. DHT Triode Amp Project
  172. tube preamp for Zen?
  173. online tube equivalent chart
  174. Help!! Right Channel Freq distorted.
  175. first design by me! need feedback
  176. ECL86 preamp?
  177. Regulator/Choke/Cap
  178. Request for valve pics...
  179. SS PSU without choke
  180. Double EL84 Push-Pull supply
  181. 12AU7 vs 12BH7 vs 6CG7
  182. What should i look for
  183. Quicksilver Tranny Question
  184. Using my O-scope on Tube amp
  185. Solid State DC filament supply
  186. hybrid common cathode amplifier?
  187. St-70
  188. Best 300B project
  189. modifications to compact EL84 amp
  190. I need a few good (tube) men
  191. can i substitute 12ax7 for 12ax7a
  192. Kailin CMPDH300 Tube Power Amplifier
  193. Opinions and ideas on my new amp
  194. Some trouble reading schematics
  195. 6C33C-B Valve Preamplifier
  196. Filament wiring question
  197. What to do with these tubes?
  198. OTL, continued...
  199. Gas tube cathode load?
  200. I really would like your help on my 300B project
  201. How to cut holes for tubes
  202. Push Pull DHT triode
  203. Building tube stage with PCB, why?
  204. What language is this web page on?
  205. WE308B Production
  206. RCA Tube Factory Tour
  207. Ultralinear vs SE
  208. suparatek syrah
  209. triode => I.T. =>el84 good idea ?
  210. EL34 based amp... Eico HF-87 maybe?
  211. schematics from pre-amp stage to implement in cd-player with E88CC in stead of OPAMPS
  212. Parallel PP EL84 and ouput transformer question
  213. Question about transformer positioning.
  214. JE Labs 300b round 5. MUSIC!! MUSIC!!
  215. Need help with caps for my 1960 fisher
  216. Lundahl vs. One Electron
  217. Push pull dht triode with diode bias
  218. My next project (maybe).
  219. arc ls 5 sch
  220. I'm so glad I found this place!
  221. What does coupling mean?
  222. GU-19-1 Russian tube
  223. Power Amplifier Sensitivity
  224. The Bias Forum
  225. RCA LMI-32219 amp
  226. Solid state guy found some tubes...
  227. Simple Plans for Newbies...
  228. Tentative EL84 SE Design.
  229. bridge mono tube amp
  230. next project
  231. A wiring question.
  232. Several reports of Black Gates failing
  233. How to get good Fuzz from a Guitar-amp project.
  234. Is PSE is a poor relation?
  235. Current requirements of 6SN7 and 5692 tubes
  236. S5 Amp kit Power supply for UK
  237. Diy Ankoru Help
  238. My 300b SE amp
  239. ecl86&ecc85 scheme
  240. 5687 filament question
  241. EL34 Blue GLow
  242. 811a Class A2
  243. 6SN7 - SuperPreamp AE-3 - what is
  244. Building 8x2 tube line mixer
  245. Building 8x2 tube line mixer
  246. tube amp
  247. The sound of chassis?
  248. tube x-over noise redux
  249. JE Labs 300b round 4. Wiring, HELP!!!
  250. simple, cheap, great sounding tube amp?

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