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  1. Request for valve pics...
  2. SS PSU without choke
  3. Double EL84 Push-Pull supply
  4. 12AU7 vs 12BH7 vs 6CG7
  5. What should i look for
  6. Quicksilver Tranny Question
  7. Using my O-scope on Tube amp
  8. Solid State DC filament supply
  9. hybrid common cathode amplifier?
  10. St-70
  11. Best 300B project
  12. modifications to compact EL84 amp
  13. I need a few good (tube) men
  14. can i substitute 12ax7 for 12ax7a
  15. Kailin CMPDH300 Tube Power Amplifier
  16. Opinions and ideas on my new amp
  17. Some trouble reading schematics
  18. 6C33C-B Valve Preamplifier
  19. Filament wiring question
  20. What to do with these tubes?
  21. OTL, continued...
  22. Gas tube cathode load?
  23. I really would like your help on my 300B project
  24. How to cut holes for tubes
  25. Push Pull DHT triode
  26. Building tube stage with PCB, why?
  27. What language is this web page on?
  28. WE308B Production
  29. RCA Tube Factory Tour
  30. Ultralinear vs SE
  31. suparatek syrah
  32. triode => I.T. =>el84 good idea ?
  33. EL34 based amp... Eico HF-87 maybe?
  34. schematics from pre-amp stage to implement in cd-player with E88CC in stead of OPAMPS
  35. Parallel PP EL84 and ouput transformer question
  36. Question about transformer positioning.
  37. JE Labs 300b round 5. MUSIC!! MUSIC!!
  38. Need help with caps for my 1960 fisher
  39. Lundahl vs. One Electron
  40. Push pull dht triode with diode bias
  41. My next project (maybe).
  42. arc ls 5 sch
  43. I'm so glad I found this place!
  44. What does coupling mean?
  45. GU-19-1 Russian tube
  46. Power Amplifier Sensitivity
  47. The Bias Forum
  48. RCA LMI-32219 amp
  49. Solid state guy found some tubes...
  50. Simple Plans for Newbies...
  51. Tentative EL84 SE Design.
  52. bridge mono tube amp
  53. next project
  54. A wiring question.
  55. Several reports of Black Gates failing
  56. How to get good Fuzz from a Guitar-amp project.
  57. Is PSE is a poor relation?
  58. Current requirements of 6SN7 and 5692 tubes
  59. S5 Amp kit Power supply for UK
  60. Diy Ankoru Help
  61. My 300b SE amp
  62. ecl86&ecc85 scheme
  63. 5687 filament question
  64. EL34 Blue GLow
  65. 811a Class A2
  66. 6SN7 - SuperPreamp AE-3 - what is
  67. Building 8x2 tube line mixer
  68. Building 8x2 tube line mixer
  69. tube amp
  70. The sound of chassis?
  71. tube x-over noise redux
  72. JE Labs 300b round 4. Wiring, HELP!!!
  73. simple, cheap, great sounding tube amp?
  74. dist on clean tone
  75. mic preamp DIY online
  76. JE Labs 300b round 3. Chassis are Done
  77. Question about using RCA jacks.
  78. Tube Test Power Supply
  79. #19 biased class A
  80. Damping factor? High or low?
  81. This is incredible!--An audio epiphany!!
  82. Triode sound in my car :-) -> How to?
  83. Adding Treb and Bass adjustment?!
  84. Steve Bench cap "tests"
  85. Time Delay Relay Tubes
  86. My Setup and skillset
  87. High dollar power cords ...Myth or magic
  88. Completely new to building amplifiers
  89. Solid or stranded wire for hookup?
  90. The sound of parts
  91. Anyone play with Glow Tubes?
  92. basic e88cc line stage ?
  93. DIY Preamp for Transcendent 150w
  94. Need help with circuit operation. Please.
  95. Which amp for Jordan JX92S Tline ?
  96. Toroid OPTs
  97. Choke Snubber
  98. I met unreasonable unbalanced status!!
  99. schematics for a EL509/ EL519 PP amp needed
  100. Want Tubes - Check this out!!!!
  101. NFB volume control
  102. Tube amp for my Speakers
  103. Quicksilver KT88 mono 60watt amp schematic
  104. Help needed for Marantz 7 clone
  105. SE amp with EL509/6KG6A (help)
  106. a 71A monoblock
  107. DIY and SONY SUPER GRAPHICS
  108. Tube preamp similar to Foreplay
  109. Bass Guitar Tube Amp
  110. Using common mode chokes in filament supply.
  111. Very early tube opamp - Philbrick
  112. JE Labs 300b round 2 1/2 Copper Plates
  113. AC filament supply tweaks?
  114. LL1663 -> 4,6K instead of 5K?
  115. tantalum
  116. SE Tube Preamp circuit using 6922/6dj8 at low voltage(24volt) needed! anyone?
  117. Using a Preamp and no central amp.
  118. Metal film resistors or carbon film in a tube amp?
  119. Audion Sliver Knight Circuit Diagram
  120. WE91 ps caps
  121. Schematic help
  122. TUBE AMP Kenwood KW-40??
  123. screened cable and shielded E88CC
  124. JCM800 as a poweramp, the signal level
  125. Time for low Zout preamp
  126. Ppp 6cg7/6sn7
  127. My first tube preamp
  128. 64 bits and 3 valves
  129. First time Tube Amp
  130. DHT triode push pull amplifier design
  131. russian 6d22c tube
  132. Convergent Audio Technology SL-1 MK3 SCH
  133. Tubecad is back up and running
  134. change to grid choke?
  135. The tube x-over DOES work, but....
  136. Biasing heater supply above ground.
  137. More situation description
  138. 6c9 ??
  139. help! power supply voltage issue
  140. regulated 5V DC supply
  141. Any suggestions to 6aw8a (GE) application?
  142. EL84 BIAS problem - again....
  143. Any other sub for KT 88 output tubes?
  144. Philips HF10 amp not working
  145. Model 91 schematic?
  146. Ability of a PP 2A3 amp to drive 90db speakers?
  147. Potting transformers
  148. ECL 82 low power end tube
  149. Can you adapt a computer power supply for the 5v and 6.3 volt needs?
  150. Single-ended: Triodes or pentodes?
  151. A preamp using a number 26 tube?
  152. PSRR For 6SN7 Buffer?
  153. comment on this design, please.
  154. why not E88C
  155. Another Aopen mother board with tubes
  156. 5894 United Electron 1973
  157. Original Lectron EL34 tubes?
  158. Interstage - is it pointless?
  159. Good tube DIY for EL34's?
  160. 8068
  161. CAT SL-1 Sig MkII
  162. Altec 1570B amps
  163. old power supply tip
  164. The complete 6SN7 preamp
  165. Bottlehead Paramour vs Decware Zen Triode?
  166. 6080/6AS7/6H13C/6H5C in SE?
  167. Emperors new clothes and the sound of tubes
  168. Advantage of Tube Output stage on Preamp?
  169. i want to replace my wima caps in my valve amp is there better out there
  170. power supply for tube preamp
  171. Newbie's 1st Amp, comments please.
  172. 6C33C and GM-70
  173. Totally baffled
  174. Cathode follower driver stage
  175. ASL Wave amp on the Fritz
  176. Tube Question, what the....?
  177. DIY Tube Preamp
  178. EL509/519 -> 6LF6 Adapter
  179. What is this?
  180. Tube rectifiers
  181. Jolida tube amp grounding???
  182. Biasing Push Pull Triode amp into Class A
  183. Tube compressors/limiters
  184. 7 ch Amp kits?
  185. Can I use 4 pr 65 a for audio amp?
  186. Picture of my first project 300B
  187. Hammond 850Q Interstage?
  188. Need help finding simple part for project
  189. 6SN7 troubles!! Help.
  190. Scott LK-72 kit tube amp
  191. Converting AMPEX PR-10
  192. Do I have this CCS configured correctly? Tube preamp..
  193. My current 71a amp
  194. Where to by a tube amp chasis?
  195. JE Labs 300b round 2! layout
  196. OTL Help
  197. Picture of my first tube amp
  198. Your thoughts please
  199. Mcintosh Output Transformers
  200. signal wire
  201. Using 866A Mercury Vapour Rectifiers?
  202. Progress on my JE Labs 300B
  203. Marantz T-1
  204. SE 6c41c/6s41s amp
  205. the unstable sound from tube pre-amp !
  206. Info on Croft Integrated Amp
  207. My first amp: Grounding
  208. how do I increase the bass in 12B4 pre-amp?
  209. DIY curve tester
  210. Anyone has a copy of the superreg of Allan Wright's design
  211. Is this a C core OPT?
  212. Tube Makers
  213. Je labs 300b round 1 : Ding! Ding!
  214. Can someone help me with DIY hybrid preamp? 2sk170 - 6dj8 - cascode
  215. neophyte - transformer potting
  216. Tube CAD Question
  217. Pioneer TX-5A Tuner
  218. Testing Tubes
  219. my first amp: the PSU
  220. Tube Amp Questions
  221. Check my first design, 6900/2A3 IT
  222. EL84 BIAS - how much ??
  223. Best 300B SE OPT?
  224. About tube tape recorder heads
  225. KronZilla
  226. hows this for linear?
  227. What do you think of this circuit?
  228. What are the Most helpful tube websites
  229. Je labs 300b DIY project for NG?
  230. Foreplay pre with Solid State amp? Really?!
  231. Feedback wanted on PSU design
  232. Blue glowing tube
  233. I need a schematic.
  234. vt-25 single-ended
  235. Caps...what the...
  236. Is the KEL-84 a good Starting Point?
  237. Modifications for HK Citation II Power Amplifier
  238. What tube to use?
  239. DC Filament power supply
  240. el34 electroharmonix fat bulb break-in?
  241. MQ-100 Project close to completion!
  242. 6N30P for high voltage
  243. Sweet! Just bought two 1950s PA amps, 300B questions
  244. Comments on a preamp design
  245. Phillps Tube Data
  246. my first valve amp
  247. schematic telequipment D 52
  248. sowter 9050 or Lundahl LL1660 line out transformer?
  249. Can someone explain parafeed & direct coupled & a.c. coupled?
  250. Tube Bias question

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