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  1. Audio research vs55/VT50/VT100
  2. quad 6bm8 per channel
  3. Tubes from St.Petersburg, Russia?
  4. Tube preamplifier
  5. Seeking suggestions on slowing B+ turn on
  6. Help on Brute force
  7. 6SL7 or 12AX7 in Kimmel OTL
  8. What´s wrong with Hammond 1628SE?
  9. Input stages - to decouple B+ or not?
  10. valve info? NEC 30M-P25
  11. Recommended sources for SED EL 34s
  12. Golden Middle output transformers
  13. Help needed on tube rectification.
  14. NWWA DIY Audio Meet 2004
  15. Audio Research V70
  16. PSU choke value
  17. 4 Ohm on 25v Tap?
  18. The MDF amp chassis discusion reminds me...
  19. Tubed-out guitar affects
  20. SE used as step down OT
  21. Siemens E83f
  22. Enclosures in MDF.
  23. Tube tester and noise test
  24. Sovtek KT88 specifications not found :(
  25. Fisher 800C FM Stereo problem
  26. Soliciting Enthusiastic Recommendations for 50+WPC Kit or Design
  27. EL519/KT90 The old debate
  28. Plasma/ionic
  29. Another Fender on the bench.
  30. How much voltage won't kill me?
  31. Pcl84 / 15dq8
  32. Alliance Audio
  33. Opinions of Menno Vanderveen ( van der Veen ) PP Amps, Esp. Super-Triode
  34. Supertotem
  35. neon bulbs as grid voltage clamps
  36. Large caps in PSU without choke?
  37. Tube rectifier ?s
  38. resistors, capacitors, etc. NEED MORE INFO!
  39. Recitifaction is a pain in the butt? A few lame questions
  40. Hook-up Wire?
  41. Using Telefunken "Tank" transfomers for a single ended el84 amp?
  42. cathode follower with gain
  43. Got sparks in my GZ34!
  44. Duncans PSU designer and tube rectifier.
  45. I want to make a simple UL PP amp
  46. Phase splitter questions
  47. I want dizzy, why can't my speech show?
  48. I come from China, giving the same friends in a fondness for
  49. I come from China, giving the same friends in a fondness for
  50. Choke value?
  51. line voltage level
  52. SRPP & DACs
  53. Tube ageing ?
  54. Changing caps for preamp
  55. 845 PP and Lundahl 1620
  56. schematic for a push pull EL 509
  57. 6N1P preamp too much gain...
  58. Looking for a great DIY-Preamp for MICs (48v)
  59. Miniature 8pin socket
  60. Mesa Boogie Dual Caliber DC-3 schematic?
  61. Please help my MC240
  62. Hammond 125ese cheap in Europe?
  63. Critique for circuit of great value 805 SET?
  64. SE OPT's & Biasing
  65. Compact All-In-One Chassis Design with good ventilation. And low noise, Not a Schemat
  66. Newbie First Amp
  67. Audio Note P-2
  68. 300b?
  69. Power Supply and VR tube help!
  70. Tubes for direct-driving ESL
  71. Question about popping Noise
  72. tube preamp...opinions
  73. Help! I need TRW(UTC) O35 DATA
  74. Is this a good tube DIY kit to get?
  75. Best AC Heater Practices
  76. new hybrid amp turn on circuit
  77. dc phono
  78. screen-plate resistor and grid leak resistor
  79. Kr842vhd
  80. DRD 300b amplifier sound quality?
  81. Pre-amp selection
  82. tube buffer for TDA1543 based dac
  83. Does anybody know if a WE404 (5847) would be able...
  84. Transformer Question
  85. New preamp
  86. Fisher 800c neg bias problem
  87. Seek your comments on 71a tube amp
  88. Single-Ended 6V6 Questions
  89. El509 Plate current question
  90. Building a Pre-Amplifier
  91. cathode bias in OTL??
  92. 10y-IT-10Y SE amp
  93. Any schematics for balanced line driver using 6922?
  94. Would you buy EI EL509/EL519 in an Octal Package?
  95. A Noisey CAT SL1 Reference
  96. Plate color and getter
  97. Learning to interpret the performance curves for KT88
  98. 811A in P.S.E or P/P
  99. Quick help needed! LOTs of noise in BBMCCCS loaded /0A2 regulated preamp!
  100. power output calculations, rated power and required power output
  101. Please help with Stancor A-4416
  102. transformers, read me!!!!
  103. Source for archive cd of Sound Practices Magazine
  104. PSE with 6C41C
  105. cathode follower
  106. Orientation and Horizontal Mounting
  107. Newbie on cathode curves
  108. transformers, regulation, triode-connection...
  109. 1st tube project - newbie tranny question
  110. NOS supply
  111. AN7 prototype- variation?
  112. Help needed with 805 sets
  113. controlling heat in tube amps.
  114. Suround Tube Amp?
  115. PSUD Model Hack
  116. advice about project wanted (newbie)
  117. Newly CCS circuit from Pimm
  118. simple matching philosophy on tubes..
  119. A good source for PIO & HV Resistors??
  120. ARC SP8 schematic
  121. some questions...
  122. 6KD6 For OTL??
  123. Rogers Cadet III PU Adapter
  124. G2-driven 6BM8
  125. Appropiate cabling quality & Regulators
  126. Tubes.Ru
  127. Buy 6C33 in Canada, where?
  128. A simple OTL??
  129. Allan Kimmel OTL
  130. sansui au111 output transformer
  131. JJ capacitors
  132. How many rectifiers?
  133. Can I use LT1083 as a CCS load?
  134. What front end for PP - triode, pentode, mu-stage or differential triodes?
  135. Electro-Harmonix 6SN7EH
  136. hehe
  137. Any DHT PX25 DIY user here???
  138. 6216 beam pentode question
  139. comments on this design..
  140. Parallel single ended or push-pull?
  141. amp measurements
  142. Extremely low power first amp problem
  143. Are these Caps any good?
  144. ...in SE mode !
  145. Simple 6BM8 at Evolve Power Amps?
  146. Newbie needs help. Basic PSU design and choke question.
  147. Audio Innovations 800 (series 2)
  148. 12B4A PP schematic
  149. Breakdown between solder tags?
  150. Caps topology
  151. questions about tubeamp building
  152. Antonio Tucci
  153. Choke Load or WOT
  154. Amp identification wanted
  155. tubes or not..!
  156. Vitreous Enamel vs Wirewound Resistor
  157. Will Simple 5687 or Etude 12b4A drive headphones?
  158. For Info: We91 Fans
  159. Just finished my new 300B amp
  160. tape alignment hell
  161. caps for RIAA network
  162. tube based CCS
  163. Tube brands.. who is best/most popular..
  164. Vintage Oil Caps
  165. Please critique this 2A3 SE schematic!
  166. KT-88 Ella amplifier, how to lower noise?
  167. PSU2 and power transformer question.
  168. Possible to make a KT88 PP UL schemat OTL ?
  169. Using 12 EL519 for T8
  170. what film capacitors do you use?
  171. 6550, kt88's at 600+ Volts
  172. circuit diagram to build my DIY preamp
  173. The rule to calculate the load impedance of two or more valvces connected in parallel
  174. no capacitors!
  175. SJS SE 300B with Interstage Transformer Mk2
  176. Differential input stage for T8 OTL-OCL from newbie
  177. Scott LK72 output transformer quality ?
  178. Van Scoyoc SRPP Amp - GvT
  179. Newbie/Guitar Amp BOOK recommendation
  180. Hammond PT and KT88 Design costs.
  181. direct coupling
  182. NFB question
  183. ebooks/online literature...
  184. First time tube jitters...
  185. Audio Note Kageki vs. EAR 859 vs. Audio Innovations: The First
  186. Where is the best place to add tubes in this system?
  187. Anyone seen one?
  188. newbie and i mean new
  189. Differential amp, Long tail, Split load - what difference in sonics?
  190. IC geometry
  191. Fully silver hard wired
  192. Possible damage of a 5AS4 full-wave rect...
  193. direct coupling
  194. Good 6L6 schematic needed
  195. I could lose some heat - suggestions?
  196. Svetlana Svetlana EL509-II: Please disregard all my statements about this tube!
  197. help using Tube Tester
  198. @Tanberg owners. help needed..
  199. Electro Harmonix KT90 after 200hrs use
  200. Need suggestions on tube regulator.
  201. EAR 859 questions
  202. First build from scratch.
  203. Tanberg design..
  204. How to use Russian tube 6H6
  205. Are Svet EL509s really EL509s?
  206. Resistors and Capacitors
  207. simple design power amp.. wanted.
  208. SJS SE108Mk2 Amplifier layout.
  209. Free Auctions?
  210. measuring wattage?
  211. Seeking advise on my EL34 amplifier
  212. exchange
  213. CCS in tail of differential phase splitter
  214. Quicksilver 6550A's?
  215. Is this mod worth the effort?
  216. Current sourced heaters
  217. Manual for Tube Technology - Unisis Signature
  218. Valve amp with Dynaudio?
  219. Why can 8W sound as loud as 100W?
  220. Progress of my 813 SE
  221. NOS Tubes
  222. Would it be possible? OTL/OCL KT88?
  223. KT88EH matched quad auction, Fake?!
  224. Interstage attenuation transformer?
  225. HV ON noise
  226. Opinions on Walton Audio 300B Design
  227. Joplin Amp
  228. voltage regulators
  229. CCS for PP Class A output stage?
  230. distortion measurement
  231. Has anybody built the Matthew Reidsma Experimental 45?
  232. Citation II Assembly Manual
  233. what tube preamp DIY kit to match B&W P-5 speakers
  234. heavy duty valve amps.... for PA use....?
  235. Audio Innovation 800 mk2 ? advice?
  236. Tube amps.......AGAIN
  237. driver 6a3
  238. Morgan Jones H/P Amp problems PLEASE HELP
  239. Wad 6550
  240. Ferguson Type: OX170 & Ferguson OP6M Info Needed...
  241. Ebay Stuff - electrolytics for tubies
  242. Pioneer output transformers from the 60's
  243. The future of the Valve.
  244. Trying to understand negative feedback
  245. schematics
  246. Overvolting e-lyts
  247. Bottlehead Paramours done my way
  248. next project: rebuild using fisher 500c trannies
  249. Consonance ELLA
  250. Just a quick Q

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