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  1. 29KQ6 Datasheet
  2. Help selecting a thermistor
  3. Beard P.101, new-to-me.
  4. Audioromy 838 Amp Broke need help..
  5. Inexpensive Guitar Amp
  6. How to Read faded Tube Numbers
  7. Test data for 6H30PI & Hickok 539??
  8. Tube Text books "Reich"
  9. PCL805 parafeed SE idea + question
  10. 12V driver tubes for Engineer's Amp?
  11. >200W with 6BG6GA
  12. Leak stereo 20 modification
  13. Baby Huey components
  14. Monstrous 1kW amp!
  15. blue glow, how?
  16. Using different transformer taps for each needed B+
  17. Heating DHT Cathodes a new way???
  18. Noise problem in 572-10 PP amplifier
  19. Power transformer question (Bud?? calling Bud)
  20. Identifying 12AX7 Tubes
  21. PAS3 to volume pot
  22. 5F6A Amp build help (Fender Bassman)
  23. Jean Hiraga SE KT88
  24. ASC motor run caps....can they be mounted horizontal???
  25. Millivolt signal and tube sockets
  26. 6N1P Data sheet differences
  27. Confident in buying tubes on ebay ?
  28. CCS Troubles
  29. Mengyue el34b schematic needed
  30. safest way to power up a new build
  31. Phono amp Raytheon 6418 tubes
  32. YL1350 Help characteristic and output tranies
  33. EL84 PP using 5K plate to plate primate OPT
  34. VR tube flashing?
  35. Tabletop 12au7 Amp
  36. Renovated website: www.pmillett.com, www.tubebooks.org
  37. Troubleshooting Eico HF-85
  38. Custom chassis europe
  39. Mixer from pre-amp design
  40. SE Output Tranny - Dumb Question
  41. What Tube for a Differential Amplifier?
  42. Thinking of buying a Lumley Reference ST70 with attached passive pre
  43. Psu
  44. Protection of the Irreplaceable
  45. Trix T621 PA amplifier (British)
  46. Resistor types ??? (carbon or metal film)
  47. First Amp Build
  48. Help ID these little PP output xfrmrs?
  49. Rectifier voltage drop question
  50. dc and ac heater supply in Aikido
  51. Can I obtain a suitable B+ voltage with spare parts?
  52. Multi tap transformers dont use the whole windings?
  53. First layout with spud
  54. EL152, GU50 and EL156
  55. Convert a 110 volt Mcintosh Mc275 to 230volt
  56. transformer maker list
  57. design a preamp, so easy....
  58. SRPP - determining load and balancing
  59. Idea for all C3g phono stage
  60. temp check
  61. Pentode Question
  62. K & K Audio Transformer phase splitter?
  63. Transformer Efficiency
  64. How to test a 6H30 tube
  65. Karaoke Tube Hi-end In The Future
  66. What makes the old McIntosh stuff so good?
  67. Paralell 10M45's for 71A DHT filament?
  68. Rod Coleman CCS/gyrator help
  69. Differential amp.Do they pass 2nd harmonics or reject them?
  70. A half 6sl7 tube
  71. failing tube
  72. Capacitor in series - Resistor across ?
  73. Tube preamp choise...
  74. Some general tube questions from a Tube newbie !!
  75. How unsafe is an Autotransformer?
  76. Can a dual triode use a common cathode resistor?
  77. Dared MC-7P
  78. SRC2496 Miniatube tube output stage
  79. Tubetech smc2b multiband compressor
  80. Tweaking/correction question - Xindak MT-1 balance
  81. HELP! ELNA CERAFINE 500V Caps
  82. Em87/ em84
  83. Pioneer SM-83 restoration
  84. Best GM70 version suited for audio??
  85. PSUDII transformer question
  86. what are these caps doing?
  87. Distortion VS OPT impedence
  88. Heater wiring approaches
  89. Rogers pops, crackle and static are driving me mad!
  90. tube power enough?
  91. Ever notice those scratches on some plates??
  92. JE 45/2A3 SE 2001 edition
  93. Difficult Time Finding Replacement Caps
  94. Mini tube output stage
  95. Mismatched Power Tubes
  96. Eimac 35TG amplifier glows !
  97. ECC88 Shield
  98. One amp channel for mid, the other for tweeter, to SE or to PP, THAT is the Question?
  99. SRRP Output stage. Calculating power output.
  100. bogen chb-35
  101. Rating for resistors in power supply?
  102. Effects of Bias /Ammeters....
  103. pentode mode distortion 6LR8? George?
  104. Info for 6b4g PP
  105. Understanding unregulated PSU
  106. C3m C3g tubes
  107. More ebay craziness
  108. Shunt Capacitor
  109. 6021 Load Line
  110. TubeRiaa - How to calculate the impendance?
  111. Fake Vacuum Tube Amps - Funny but real
  112. 12.6v+ vs 6.3v+/- heater supply
  113. Distortion Measurements
  114. modifying kt88 pp ul amp
  115. Aikido help!
  116. Are Positive Grid Voltage Traces Necessary?
  117. New to Tubes
  118. How to read "Typical Characteristics" curves
  119. 12B4 pre output cap and LF instability
  120. attractive amp kit?
  121. Stereo 7O with transformer phase splitter?
  122. Filter Cap Recommendation
  123. New Guy...With a question...
  124. Interesting wiring guide find, thanks NASA!
  125. marantz 9's OPT data
  126. Why do my amps want signal ground and safety earth connected?
  127. scott 299c
  128. Tube Schematics
  129. JLTi EL34 and KT88 Amplifiers
  130. Radford sta15 looking for a nice preamp...
  131. Really subjective question
  132. Pen-toad Question
  133. Revox Model 40- leave it alone or dig in?
  134. Driver of Sumo Tubes PP for anybody: Shematic and PCB
  135. Output transformer from rowe ammi mm4
  136. Equivalent Circuit?
  137. 300b tube life
  138. CBS tube?
  139. Looking for a 700vdc supply
  140. Are all 9-pin sockets the same?
  141. Problem with short Test
  142. Troubleshooting 12B4/RH84/Akai project
  143. hi-end vacuum tube phono preamplifier
  144. PCB help
  145. QUICK transformer Question HELP
  146. Configuring an AB class amp to work in pure A class
  147. SCott LK-48-B balance pot
  148. lost a tube
  149. Lee Laboratory - model 50 Cruiser
  150. 1/2 of 12AX7 in single envelope?
  151. 2 pairs of 8150's
  152. AX84 Clean Preamp
  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. adding reverb to Bassman circuit
  170. 300B SE amp: One more one
  171. Already found problem with new amp
  172. LtSpice transformer - confusion
  173. OPUS 5.0 A Modern Mullard
  174. EL34 PP New Design of newbie
  175. Tubelabs SE vs. Simple SE ??
  176. Somebody knows about Lorenz e84l?(real Lorenz)
  177. Aikido Heater PSU help
  178. ecc99 with which Interstage Transformer?
  179. Looking for Audio Research Caps
  180. 2A3 SE Problem
  181. One knob tone control
  182. Tube Base Application ?
  183. The no-brainer project, some questions
  184. schematic request Yarland FV34AIII
  185. SY/Pete Millett Crossover
  186. Please don't stone me. . . .
  187. Golden Tube
  188. BH Curve & OPT choices
  189. Scott Transformers
  190. Identifying transformers
  191. Need Help understanding a triode fed LTP.
  192. How to measure and adjust bias
  193. Another cheap tube amp from China
  194. where to add master volume/gain/tone to Bogen L330?
  195. Another Williamson
  196. Weird EL84 PP behavior
  197. 300B SE Design
  198. Tube/Valve Shop in BERLIN
  199. Aikido buffer/gain selector?
  200. Gaijin friendly audio shop in Tokyo area?
  201. Troubleshooting channel dropout
  202. "groundbus" is this right?
  203. About New Production Tubes
  204. suche JJ E88CC oder 6922 Sovtek in Berlin
  205. 8ohm output transformer with a 4ohm load
  206. Power transformer - good for anything?
  207. Beginner question, swap .047uf for .05uf?
  208. Tetra phono stage
  209. Japanese OPTs
  210. Changing secondary voltage (Uncivilized way)
  211. 4EH7 opinions anyone?
  212. Silvertone 45A tubes....rare variant
  213. single 12AT7 in a tubelab simple se
  214. Finished the "big one"!
  215. CV428 or 5B254M useful?
  216. How about making your own tubes?!
  217. entry level int-amp?
  218. What Cap Is This?
  219. help please with kt-88 ultralinear o/p transformer
  220. A flea thingy that sounds good
  221. Mullard vs. Williamson 60W UL PP amp. Which one?
  222. Need help with PSUD II model
  223. 5v to 2.5v for 2a3 filament
  224. Does 2A3 require a grid stopper?
  225. Hammond ECL86/6GW8 conversion
  226. Connecting two opt's to act as one.
  227. Usefullness of tubes
  228. twisted/isolated/shielded wires?
  229. Feedback question
  230. What tubes for a tube amp?
  231. SE-OPTs
  232. Phase splitting using directly heated tubes?
  233. Change EL84 from Triode to Ultra linear
  234. DC hybrid folded-cascode for Schade
  235. New UK Manufacturer of Valves
  236. Can any here explain the JHS designation?
  237. Too good to be true???
  238. Judging a tube's condition
  239. EF86 tube preamp
  240. Any tips for snap in type caps to replace solder lug cans?
  241. 6EM7 SET Headamp
  242. Are these ALL really EL34 subs?
  243. parallel tubes
  244. Changing the frequency of AC from mains to lower, out of audible range???
  245. Se 6550
  246. New Suppo Audio EL34 amp
  247. 60Watt+ valve design wanted
  248. Interesting tube on e-bay for trans atlantic cable
  249. Need help solving problem on new 2A3 build
  250. Tube and Passive Preamps-Auto Transformers for Attenuators/Volume Control - Overview

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