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  1. Capacitors
  2. please help ! 5687 cd player buffer
  3. LK-72 mis-wired or am I confused?
  4. Need help with tube ID.
  5. spud amp 6c45pi vs 5842
  6. Air gapping transformers
  7. Voltage Measurement
  8. Cornell-Dubilier Caps Western Electric 91A Amplifier
  9. My take on a modern ST-70
  10. pls suggest a project
  11. Help with input stage driver for EL84 output stage
  12. Trying to make sense of the Sweet Peach
  13. Cornell-Dubilier Paper In Oil Capacitors
  14. lm3886 + cathode follower PS problem
  15. Completely differential amplifier final stage
  16. Capacitors in series for coupling?
  17. Help needed with messed-up-amp repairs.
  18. 6DJ8 tube schematic as balanced line stage?
  19. 6DJ8 (balanced) tube line stage
  20. Knight amp circut voltages
  21. Make Mono Phonograph into Mic Preamp?
  22. Yet another passive attenuator
  23. What tube is this?
  24. El Cheapo ok for a first build?
  25. Anyone in Vancouver with a tube tester?
  26. How long can I expect a tube to last
  27. Output transformers... which one...?
  28. My MA845 modded and questions
  29. Sun Audio SV-2a3 HK Clone
  30. departure and tube slop
  31. Wire construction for capped tube plates
  32. Grid resistor location
  33. Meng Yue X1 trial
  34. Yarland pro845
  35. Faulty 5881 tube ?
  36. MF Xpre - help pls!!
  37. Heaters Voltage
  38. Pleas help identify this McIntosh valve amplifier
  39. Curves for Triode Connected 6EW6
  40. microwave oven transformer..
  41. Marantz 8b tubes
  42. Request: The schematic of Audible illusions MODULUS 3
  43. How many watts are really needed?
  44. Worn Tube Rectifier
  45. Bogen CHB35a Problem
  46. 29KQ6 Datasheet
  47. Help selecting a thermistor
  48. Beard P.101, new-to-me.
  49. Audioromy 838 Amp Broke need help..
  50. Inexpensive Guitar Amp
  51. How to Read faded Tube Numbers
  52. Test data for 6H30PI & Hickok 539??
  53. Tube Text books "Reich"
  54. PCL805 parafeed SE idea + question
  55. 12V driver tubes for Engineer's Amp?
  56. >200W with 6BG6GA
  57. Leak stereo 20 modification
  58. Baby Huey components
  59. Monstrous 1kW amp!
  60. blue glow, how?
  61. Using different transformer taps for each needed B+
  62. Heating DHT Cathodes a new way???
  63. Noise problem in 572-10 PP amplifier
  64. Power transformer question (Bud?? calling Bud)
  65. Identifying 12AX7 Tubes
  66. PAS3 to volume pot
  67. 5F6A Amp build help (Fender Bassman)
  68. Jean Hiraga SE KT88
  69. ASC motor run caps....can they be mounted horizontal???
  70. Millivolt signal and tube sockets
  71. 6N1P Data sheet differences
  72. Confident in buying tubes on ebay ?
  73. CCS Troubles
  74. Mengyue el34b schematic needed
  75. safest way to power up a new build
  76. Phono amp Raytheon 6418 tubes
  77. YL1350 Help characteristic and output tranies
  78. EL84 PP using 5K plate to plate primate OPT
  79. VR tube flashing?
  80. Tabletop 12au7 Amp
  81. Renovated website: www.pmillett.com, www.tubebooks.org
  82. Troubleshooting Eico HF-85
  83. Custom chassis europe
  84. Mixer from pre-amp design
  85. SE Output Tranny - Dumb Question
  86. What Tube for a Differential Amplifier?
  87. Thinking of buying a Lumley Reference ST70 with attached passive pre
  88. Psu
  89. Protection of the Irreplaceable
  90. Trix T621 PA amplifier (British)
  91. Resistor types ??? (carbon or metal film)
  92. First Amp Build
  93. Help ID these little PP output xfrmrs?
  94. Rectifier voltage drop question
  95. dc and ac heater supply in Aikido
  96. Can I obtain a suitable B+ voltage with spare parts?
  97. Multi tap transformers dont use the whole windings?
  98. First layout with spud
  99. EL152, GU50 and EL156
  100. Convert a 110 volt Mcintosh Mc275 to 230volt
  101. transformer maker list
  102. design a preamp, so easy....
  103. SRPP - determining load and balancing
  104. Idea for all C3g phono stage
  105. temp check
  106. Pentode Question
  107. K & K Audio Transformer phase splitter?
  108. Transformer Efficiency
  109. How to test a 6H30 tube
  110. Karaoke Tube Hi-end In The Future
  111. What makes the old McIntosh stuff so good?
  112. Paralell 10M45's for 71A DHT filament?
  113. Rod Coleman CCS/gyrator help
  114. Differential amp.Do they pass 2nd harmonics or reject them?
  115. A half 6sl7 tube
  116. failing tube
  117. Capacitor in series - Resistor across ?
  118. Tube preamp choise...
  119. Some general tube questions from a Tube newbie !!
  120. How unsafe is an Autotransformer?
  121. Can a dual triode use a common cathode resistor?
  122. Dared MC-7P
  123. SRC2496 Miniatube tube output stage
  124. Tubetech smc2b multiband compressor
  125. Tweaking/correction question - Xindak MT-1 balance
  126. HELP! ELNA CERAFINE 500V Caps
  127. Em87/ em84
  128. Pioneer SM-83 restoration
  129. Best GM70 version suited for audio??
  130. PSUDII transformer question
  131. what are these caps doing?
  132. Distortion VS OPT impedence
  133. Heater wiring approaches
  134. Rogers pops, crackle and static are driving me mad!
  135. tube power enough?
  136. Ever notice those scratches on some plates??
  137. JE 45/2A3 SE 2001 edition
  138. Difficult Time Finding Replacement Caps
  139. Mini tube output stage
  140. Mismatched Power Tubes
  141. Eimac 35TG amplifier glows !
  142. ECC88 Shield
  143. One amp channel for mid, the other for tweeter, to SE or to PP, THAT is the Question?
  144. SRRP Output stage. Calculating power output.
  145. bogen chb-35
  146. Rating for resistors in power supply?
  147. Effects of Bias /Ammeters....
  148. pentode mode distortion 6LR8? George?
  149. Info for 6b4g PP
  150. Understanding unregulated PSU
  151. C3m C3g tubes
  152. More ebay craziness
  153. Shunt Capacitor
  154. 6021 Load Line
  155. TubeRiaa - How to calculate the impendance?
  156. Fake Vacuum Tube Amps - Funny but real
  157. 12.6v+ vs 6.3v+/- heater supply
  158. Distortion Measurements
  159. modifying kt88 pp ul amp
  160. Aikido help!
  161. Are Positive Grid Voltage Traces Necessary?
  162. New to Tubes
  163. How to read "Typical Characteristics" curves
  164. 12B4 pre output cap and LF instability
  165. attractive amp kit?
  166. Stereo 7O with transformer phase splitter?
  167. Filter Cap Recommendation
  168. New Guy...With a question...
  169. Interesting wiring guide find, thanks NASA!
  170. marantz 9's OPT data
  171. Why do my amps want signal ground and safety earth connected?
  172. scott 299c
  173. Tube Schematics
  174. JLTi EL34 and KT88 Amplifiers
  175. Radford sta15 looking for a nice preamp...
  176. Really subjective question
  177. Pen-toad Question
  178. Revox Model 40- leave it alone or dig in?
  179. Driver of Sumo Tubes PP for anybody: Shematic and PCB
  180. Output transformer from rowe ammi mm4
  181. Equivalent Circuit?
  182. 300b tube life
  183. CBS tube?
  184. Looking for a 700vdc supply
  185. Are all 9-pin sockets the same?
  186. Problem with short Test
  187. Troubleshooting 12B4/RH84/Akai project
  188. hi-end vacuum tube phono preamplifier
  189. PCB help
  190. QUICK transformer Question HELP
  191. Configuring an AB class amp to work in pure A class
  192. SCott LK-48-B balance pot
  193. lost a tube
  194. Lee Laboratory - model 50 Cruiser
  195. 1/2 of 12AX7 in single envelope?
  196. 2 pairs of 8150's
  197. AX84 Clean Preamp
  198. 8150 Tubes
  199. Capacitor/Choke value in SET buffer supply? (95 vdc B+)
  200. NJ Tube Auction
  201. pentode buffer
  202. Tube Buffer? 12ax7?
  203. What is this tube?
  204. Kits
  205. Power supply high voltage problems with Melos amp.
  206. 811A Class A2 with Power Drive
  207. Help ID this 12AX7/EL84 Console(?) Amp
  208. Eico HF-86
  209. Marantz 9 Filter CHOKE value??
  210. 10M45s: strange behaviour @ 100mA
  211. LtSpice - Russian tube models
  212. Before I buy KT88's
  213. Ultra Low Cost 6P1P Push Pull Schematic,PCB
  214. adding reverb to Bassman circuit
  215. 300B SE amp: One more one
  216. Already found problem with new amp
  217. LtSpice transformer - confusion
  218. OPUS 5.0 A Modern Mullard
  219. EL34 PP New Design of newbie
  220. Tubelabs SE vs. Simple SE ??
  221. Somebody knows about Lorenz e84l?(real Lorenz)
  222. Aikido Heater PSU help
  223. ecc99 with which Interstage Transformer?
  224. Looking for Audio Research Caps
  225. 2A3 SE Problem
  226. One knob tone control
  227. Tube Base Application ?
  228. The no-brainer project, some questions
  229. schematic request Yarland FV34AIII
  230. SY/Pete Millett Crossover
  231. Please don't stone me. . . .
  232. Golden Tube
  233. BH Curve & OPT choices
  234. Scott Transformers
  235. Identifying transformers
  236. Need Help understanding a triode fed LTP.
  237. How to measure and adjust bias
  238. Another cheap tube amp from China
  239. where to add master volume/gain/tone to Bogen L330?
  240. Another Williamson
  241. Weird EL84 PP behavior
  242. 300B SE Design
  243. Tube/Valve Shop in BERLIN
  244. Aikido buffer/gain selector?
  245. Gaijin friendly audio shop in Tokyo area?
  246. Troubleshooting channel dropout
  247. "groundbus" is this right?
  248. About New Production Tubes
  249. suche JJ E88CC oder 6922 Sovtek in Berlin
  250. 8ohm output transformer with a 4ohm load

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