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

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