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  1. microwave oven transformer..
  2. Marantz 8b tubes
  3. Request: The schematic of Audible illusions MODULUS 3
  4. How many watts are really needed?
  5. Worn Tube Rectifier
  6. Bogen CHB35a Problem
  7. 29KQ6 Datasheet
  8. Help selecting a thermistor
  9. Beard P.101, new-to-me.
  10. Audioromy 838 Amp Broke need help..
  11. How to Read faded Tube Numbers
  12. Test data for 6H30PI & Hickok 539??
  13. Tube Text books "Reich"
  14. PCL805 parafeed SE idea + question
  15. 12V driver tubes for Engineer's Amp?
  16. >200W with 6BG6GA
  17. Leak stereo 20 modification
  18. Baby Huey components
  19. Monstrous 1kW amp!
  20. blue glow, how?
  21. Using different transformer taps for each needed B+
  22. Heating DHT Cathodes a new way???
  23. Noise problem in 572-10 PP amplifier
  24. Power transformer question (Bud?? calling Bud)
  25. Identifying 12AX7 Tubes
  26. PAS3 to volume pot
  27. Jean Hiraga SE KT88
  28. Millivolt signal and tube sockets
  29. 6N1P Data sheet differences
  30. Confident in buying tubes on ebay ?
  31. CCS Troubles
  32. Mengyue el34b schematic needed
  33. safest way to power up a new build
  34. Phono amp Raytheon 6418 tubes
  35. YL1350 Help characteristic and output tranies
  36. EL84 PP using 5K plate to plate primate OPT
  37. VR tube flashing?
  38. Tabletop 12au7 Amp
  39. Renovated website: www.pmillett.com, www.tubebooks.org
  40. Troubleshooting Eico HF-85
  41. Custom chassis europe
  42. Mixer from pre-amp design
  43. SE Output Tranny - Dumb Question
  44. What Tube for a Differential Amplifier?
  45. Thinking of buying a Lumley Reference ST70 with attached passive pre
  46. Psu
  47. Protection of the Irreplaceable
  48. Trix T621 PA amplifier (British)
  49. Resistor types ??? (carbon or metal film)
  50. First Amp Build
  51. Help ID these little PP output xfrmrs?
  52. Rectifier voltage drop question
  53. dc and ac heater supply in Aikido
  54. Can I obtain a suitable B+ voltage with spare parts?
  55. Multi tap transformers dont use the whole windings?
  56. First layout with spud
  57. EL152, GU50 and EL156
  58. Convert a 110 volt Mcintosh Mc275 to 230volt
  59. transformer maker list
  60. design a preamp, so easy....
  61. SRPP - determining load and balancing
  62. Idea for all C3g phono stage
  63. temp check
  64. Pentode Question
  65. K & K Audio Transformer phase splitter?
  66. Transformer Efficiency
  67. How to test a 6H30 tube
  68. Karaoke Tube Hi-end In The Future
  69. What makes the old McIntosh stuff so good?
  70. Paralell 10M45's for 71A DHT filament?
  71. Rod Coleman CCS/gyrator help
  72. Differential amp.Do they pass 2nd harmonics or reject them?
  73. A half 6sl7 tube
  74. failing tube
  75. Capacitor in series - Resistor across ?
  76. Tube preamp choise...
  77. Some general tube questions from a Tube newbie !!
  78. How unsafe is an Autotransformer?
  79. Can a dual triode use a common cathode resistor?
  80. Dared MC-7P
  81. SRC2496 Miniatube tube output stage
  82. Tubetech smc2b multiband compressor
  83. Tweaking/correction question - Xindak MT-1 balance
  84. Em87/ em84
  85. Pioneer SM-83 restoration
  86. Best GM70 version suited for audio??
  87. PSUDII transformer question
  88. what are these caps doing?
  89. Distortion VS OPT impedence
  90. Heater wiring approaches
  91. Rogers pops, crackle and static are driving me mad!
  92. tube power enough?
  93. Ever notice those scratches on some plates??
  94. JE 45/2A3 SE 2001 edition
  95. Mini tube output stage
  96. Mismatched Power Tubes
  97. Eimac 35TG amplifier glows !
  98. ECC88 Shield
  99. One amp channel for mid, the other for tweeter, to SE or to PP, THAT is the Question?
  100. SRRP Output stage. Calculating power output.
  101. bogen chb-35
  102. Rating for resistors in power supply?
  103. Effects of Bias /Ammeters....
  104. pentode mode distortion 6LR8? George?
  105. Info for 6b4g PP
  106. Understanding unregulated PSU
  107. C3m C3g tubes
  108. More ebay craziness
  109. Shunt Capacitor
  110. 6021 Load Line
  111. TubeRiaa - How to calculate the impendance?
  112. Fake Vacuum Tube Amps - Funny but real
  113. 12.6v+ vs 6.3v+/- heater supply
  114. Distortion Measurements
  115. modifying kt88 pp ul amp
  116. Aikido help!
  117. Are Positive Grid Voltage Traces Necessary?
  118. New to Tubes
  119. How to read "Typical Characteristics" curves
  120. 12B4 pre output cap and LF instability
  121. attractive amp kit?
  122. Stereo 7O with transformer phase splitter?
  123. Filter Cap Recommendation
  124. New Guy...With a question...
  125. Interesting wiring guide find, thanks NASA!
  126. marantz 9's OPT data
  127. Why do my amps want signal ground and safety earth connected?
  128. scott 299c
  129. Tube Schematics
  130. JLTi EL34 and KT88 Amplifiers
  131. Radford sta15 looking for a nice preamp...
  132. Really subjective question
  133. Pen-toad Question
  134. Revox Model 40- leave it alone or dig in?
  135. Driver of Sumo Tubes PP for anybody: Shematic and PCB
  136. Output transformer from rowe ammi mm4
  137. Equivalent Circuit?
  138. 300b tube life
  139. CBS tube?
  140. Looking for a 700vdc supply
  141. Are all 9-pin sockets the same?
  142. Problem with short Test
  143. Troubleshooting 12B4/RH84/Akai project
  144. hi-end vacuum tube phono preamplifier
  145. PCB help
  146. QUICK transformer Question HELP
  147. Configuring an AB class amp to work in pure A class
  148. SCott LK-48-B balance pot
  149. lost a tube
  150. Lee Laboratory - model 50 Cruiser
  151. 1/2 of 12AX7 in single envelope?
  152. 2 pairs of 8150's
  153. 8150 Tubes
  154. Capacitor/Choke value in SET buffer supply? (95 vdc B+)
  155. NJ Tube Auction
  156. pentode buffer
  157. Tube Buffer? 12ax7?
  158. What is this tube?
  159. Kits
  160. Power supply high voltage problems with Melos amp.
  161. 811A Class A2 with Power Drive
  162. Help ID this 12AX7/EL84 Console(?) Amp
  163. Eico HF-86
  164. Marantz 9 Filter CHOKE value??
  165. 10M45s: strange behaviour @ 100mA
  166. LtSpice - Russian tube models
  167. Before I buy KT88's
  168. Ultra Low Cost 6P1P Push Pull Schematic,PCB
  169. 300B SE amp: One more one
  170. Already found problem with new amp
  171. LtSpice transformer - confusion
  172. OPUS 5.0 A Modern Mullard
  173. EL34 PP New Design of newbie
  174. Tubelabs SE vs. Simple SE ??
  175. Somebody knows about Lorenz e84l?(real Lorenz)
  176. Aikido Heater PSU help
  177. ecc99 with which Interstage Transformer?
  178. Looking for Audio Research Caps
  179. 2A3 SE Problem
  180. One knob tone control
  181. Tube Base Application ?
  182. The no-brainer project, some questions
  183. schematic request Yarland FV34AIII
  184. SY/Pete Millett Crossover
  185. Please don't stone me. . . .
  186. Golden Tube
  187. BH Curve & OPT choices
  188. Scott Transformers
  189. Identifying transformers
  190. Need Help understanding a triode fed LTP.
  191. How to measure and adjust bias
  192. Another cheap tube amp from China
  193. where to add master volume/gain/tone to Bogen L330?
  194. Another Williamson
  195. Weird EL84 PP behavior
  196. 300B SE Design
  197. Tube/Valve Shop in BERLIN
  198. Aikido buffer/gain selector?
  199. Gaijin friendly audio shop in Tokyo area?
  200. Troubleshooting channel dropout
  201. "groundbus" is this right?
  202. About New Production Tubes
  203. suche JJ E88CC oder 6922 Sovtek in Berlin
  204. 8ohm output transformer with a 4ohm load
  205. Power transformer - good for anything?
  206. Beginner question, swap .047uf for .05uf?
  207. Tetra phono stage
  208. Japanese OPTs
  209. Changing secondary voltage (Uncivilized way)
  210. 4EH7 opinions anyone?
  211. Silvertone 45A tubes....rare variant
  212. single 12AT7 in a tubelab simple se
  213. Finished the "big one"!
  214. CV428 or 5B254M useful?
  215. How about making your own tubes?!
  216. entry level int-amp?
  217. What Cap Is This?
  218. help please with kt-88 ultralinear o/p transformer
  219. A flea thingy that sounds good
  220. Mullard vs. Williamson 60W UL PP amp. Which one?
  221. Need help with PSUD II model
  222. 5v to 2.5v for 2a3 filament
  223. Does 2A3 require a grid stopper?
  224. Hammond ECL86/6GW8 conversion
  225. Connecting two opt's to act as one.
  226. Usefullness of tubes
  227. twisted/isolated/shielded wires?
  228. Feedback question
  229. What tubes for a tube amp?
  230. SE-OPTs
  231. Phase splitting using directly heated tubes?
  232. Change EL84 from Triode to Ultra linear
  233. DC hybrid folded-cascode for Schade
  234. New UK Manufacturer of Valves
  235. Can any here explain the JHS designation?
  236. Too good to be true???
  237. Judging a tube's condition
  238. EF86 tube preamp
  239. 6EM7 SET Headamp
  240. Are these ALL really EL34 subs?
  241. parallel tubes
  242. Changing the frequency of AC from mains to lower, out of audible range???
  243. Se 6550
  244. New Suppo Audio EL34 amp
  245. 60Watt+ valve design wanted
  246. Interesting tube on e-bay for trans atlantic cable
  247. Need help solving problem on new 2A3 build
  248. Tube and Passive Preamps-Auto Transformers for Attenuators/Volume Control - Overview
  249. Where bay M6 lamination (M4,M2) metal for transformer
  250. dynamic pentode screen draw

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