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  1. Cornell-Dubilier Caps Western Electric 91A Amplifier
  2. My take on a modern ST-70
  3. pls suggest a project
  4. Help with input stage driver for EL84 output stage
  5. Trying to make sense of the Sweet Peach
  6. Cornell-Dubilier Paper In Oil Capacitors
  7. lm3886 + cathode follower PS problem
  8. Completely differential amplifier final stage
  9. Capacitors in series for coupling?
  10. Help needed with messed-up-amp repairs.
  11. 6DJ8 tube schematic as balanced line stage?
  12. 6DJ8 (balanced) tube line stage
  13. Knight amp circut voltages
  14. Make Mono Phonograph into Mic Preamp?
  15. Yet another passive attenuator
  16. What tube is this?
  17. El Cheapo ok for a first build?
  18. Anyone in Vancouver with a tube tester?
  19. How long can I expect a tube to last
  20. Output transformers... which one...?
  21. My MA845 modded and questions
  22. Sun Audio SV-2a3 HK Clone
  23. departure and tube slop
  24. Wire construction for capped tube plates
  25. Grid resistor location
  26. Meng Yue X1 trial
  27. Yarland pro845
  28. Faulty 5881 tube ?
  29. MF Xpre - help pls!!
  30. Heaters Voltage
  31. Pleas help identify this McIntosh valve amplifier
  32. Curves for Triode Connected 6EW6
  33. microwave oven transformer..
  34. Marantz 8b tubes
  35. Request: The schematic of Audible illusions MODULUS 3
  36. How many watts are really needed?
  37. Worn Tube Rectifier
  38. Bogen CHB35a Problem
  39. 29KQ6 Datasheet
  40. Help selecting a thermistor
  41. Beard P.101, new-to-me.
  42. Audioromy 838 Amp Broke need help..
  43. Inexpensive Guitar Amp
  44. How to Read faded Tube Numbers
  45. Test data for 6H30PI & Hickok 539??
  46. Tube Text books "Reich"
  47. PCL805 parafeed SE idea + question
  48. 12V driver tubes for Engineer's Amp?
  49. >200W with 6BG6GA
  50. Leak stereo 20 modification
  51. Baby Huey components
  52. Monstrous 1kW amp!
  53. blue glow, how?
  54. Using different transformer taps for each needed B+
  55. Heating DHT Cathodes a new way???
  56. Noise problem in 572-10 PP amplifier
  57. Power transformer question (Bud?? calling Bud)
  58. Identifying 12AX7 Tubes
  59. PAS3 to volume pot
  60. 5F6A Amp build help (Fender Bassman)
  61. Jean Hiraga SE KT88
  62. ASC motor run caps....can they be mounted horizontal???
  63. Millivolt signal and tube sockets
  64. 6N1P Data sheet differences
  65. Confident in buying tubes on ebay ?
  66. CCS Troubles
  67. Mengyue el34b schematic needed
  68. safest way to power up a new build
  69. Phono amp Raytheon 6418 tubes
  70. YL1350 Help characteristic and output tranies
  71. EL84 PP using 5K plate to plate primate OPT
  72. VR tube flashing?
  73. Tabletop 12au7 Amp
  74. Renovated website: www.pmillett.com, www.tubebooks.org
  75. Troubleshooting Eico HF-85
  76. Custom chassis europe
  77. Mixer from pre-amp design
  78. SE Output Tranny - Dumb Question
  79. What Tube for a Differential Amplifier?
  80. Thinking of buying a Lumley Reference ST70 with attached passive pre
  81. Psu
  82. Protection of the Irreplaceable
  83. Trix T621 PA amplifier (British)
  84. Resistor types ??? (carbon or metal film)
  85. First Amp Build
  86. Help ID these little PP output xfrmrs?
  87. Rectifier voltage drop question
  88. dc and ac heater supply in Aikido
  89. Can I obtain a suitable B+ voltage with spare parts?
  90. Multi tap transformers dont use the whole windings?
  91. First layout with spud
  92. EL152, GU50 and EL156
  93. Convert a 110 volt Mcintosh Mc275 to 230volt
  94. transformer maker list
  95. design a preamp, so easy....
  96. SRPP - determining load and balancing
  97. Idea for all C3g phono stage
  98. temp check
  99. Pentode Question
  100. K & K Audio Transformer phase splitter?
  101. Transformer Efficiency
  102. How to test a 6H30 tube
  103. Karaoke Tube Hi-end In The Future
  104. What makes the old McIntosh stuff so good?
  105. Paralell 10M45's for 71A DHT filament?
  106. Rod Coleman CCS/gyrator help
  107. Differential amp.Do they pass 2nd harmonics or reject them?
  108. A half 6sl7 tube
  109. failing tube
  110. Capacitor in series - Resistor across ?
  111. Tube preamp choise...
  112. Some general tube questions from a Tube newbie !!
  113. How unsafe is an Autotransformer?
  114. Can a dual triode use a common cathode resistor?
  115. Dared MC-7P
  116. SRC2496 Miniatube tube output stage
  117. Tubetech smc2b multiband compressor
  118. Tweaking/correction question - Xindak MT-1 balance
  119. HELP! ELNA CERAFINE 500V Caps
  120. Em87/ em84
  121. Pioneer SM-83 restoration
  122. Best GM70 version suited for audio??
  123. PSUDII transformer question
  124. what are these caps doing?
  125. Distortion VS OPT impedence
  126. Heater wiring approaches
  127. Rogers pops, crackle and static are driving me mad!
  128. tube power enough?
  129. Ever notice those scratches on some plates??
  130. JE 45/2A3 SE 2001 edition
  131. Difficult Time Finding Replacement Caps
  132. Mini tube output stage
  133. Mismatched Power Tubes
  134. Eimac 35TG amplifier glows !
  135. ECC88 Shield
  136. One amp channel for mid, the other for tweeter, to SE or to PP, THAT is the Question?
  137. SRRP Output stage. Calculating power output.
  138. bogen chb-35
  139. Rating for resistors in power supply?
  140. Effects of Bias /Ammeters....
  141. pentode mode distortion 6LR8? George?
  142. Info for 6b4g PP
  143. Understanding unregulated PSU
  144. C3m C3g tubes
  145. More ebay craziness
  146. Shunt Capacitor
  147. 6021 Load Line
  148. TubeRiaa - How to calculate the impendance?
  149. Fake Vacuum Tube Amps - Funny but real
  150. 12.6v+ vs 6.3v+/- heater supply
  151. Distortion Measurements
  152. modifying kt88 pp ul amp
  153. Aikido help!
  154. Are Positive Grid Voltage Traces Necessary?
  155. New to Tubes
  156. How to read "Typical Characteristics" curves
  157. 12B4 pre output cap and LF instability
  158. attractive amp kit?
  159. Stereo 7O with transformer phase splitter?
  160. Filter Cap Recommendation
  161. New Guy...With a question...
  162. Interesting wiring guide find, thanks NASA!
  163. marantz 9's OPT data
  164. Why do my amps want signal ground and safety earth connected?
  165. scott 299c
  166. Tube Schematics
  167. JLTi EL34 and KT88 Amplifiers
  168. Radford sta15 looking for a nice preamp...
  169. Really subjective question
  170. Pen-toad Question
  171. Revox Model 40- leave it alone or dig in?
  172. Driver of Sumo Tubes PP for anybody: Shematic and PCB
  173. Output transformer from rowe ammi mm4
  174. Equivalent Circuit?
  175. 300b tube life
  176. CBS tube?
  177. Looking for a 700vdc supply
  178. Are all 9-pin sockets the same?
  179. Problem with short Test
  180. Troubleshooting 12B4/RH84/Akai project
  181. hi-end vacuum tube phono preamplifier
  182. PCB help
  183. QUICK transformer Question HELP
  184. Configuring an AB class amp to work in pure A class
  185. SCott LK-48-B balance pot
  186. lost a tube
  187. Lee Laboratory - model 50 Cruiser
  188. 1/2 of 12AX7 in single envelope?
  189. 2 pairs of 8150's
  190. AX84 Clean Preamp
  191. 8150 Tubes
  192. Capacitor/Choke value in SET buffer supply? (95 vdc B+)
  193. NJ Tube Auction
  194. pentode buffer
  195. Tube Buffer? 12ax7?
  196. What is this tube?
  197. Kits
  198. Power supply high voltage problems with Melos amp.
  199. 811A Class A2 with Power Drive
  200. Help ID this 12AX7/EL84 Console(?) Amp
  201. Eico HF-86
  202. Marantz 9 Filter CHOKE value??
  203. 10M45s: strange behaviour @ 100mA
  204. LtSpice - Russian tube models
  205. Before I buy KT88's
  206. Ultra Low Cost 6P1P Push Pull Schematic,PCB
  207. adding reverb to Bassman circuit
  208. 300B SE amp: One more one
  209. Already found problem with new amp
  210. LtSpice transformer - confusion
  211. OPUS 5.0 A Modern Mullard
  212. EL34 PP New Design of newbie
  213. Tubelabs SE vs. Simple SE ??
  214. Somebody knows about Lorenz e84l?(real Lorenz)
  215. Aikido Heater PSU help
  216. ecc99 with which Interstage Transformer?
  217. Looking for Audio Research Caps
  218. 2A3 SE Problem
  219. One knob tone control
  220. Tube Base Application ?
  221. The no-brainer project, some questions
  222. schematic request Yarland FV34AIII
  223. SY/Pete Millett Crossover
  224. Please don't stone me. . . .
  225. Golden Tube
  226. BH Curve & OPT choices
  227. Scott Transformers
  228. Identifying transformers
  229. Need Help understanding a triode fed LTP.
  230. How to measure and adjust bias
  231. Another cheap tube amp from China
  232. where to add master volume/gain/tone to Bogen L330?
  233. Another Williamson
  234. Weird EL84 PP behavior
  235. 300B SE Design
  236. Tube/Valve Shop in BERLIN
  237. Aikido buffer/gain selector?
  238. Gaijin friendly audio shop in Tokyo area?
  239. Troubleshooting channel dropout
  240. "groundbus" is this right?
  241. About New Production Tubes
  242. suche JJ E88CC oder 6922 Sovtek in Berlin
  243. 8ohm output transformer with a 4ohm load
  244. Power transformer - good for anything?
  245. Beginner question, swap .047uf for .05uf?
  246. Tetra phono stage
  247. Japanese OPTs
  248. Changing secondary voltage (Uncivilized way)
  249. 4EH7 opinions anyone?
  250. Silvertone 45A tubes....rare variant

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