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  1. Baby Huey components
  2. Monstrous 1kW amp!
  3. blue glow, how?
  4. Using different transformer taps for each needed B+
  5. Heating DHT Cathodes a new way???
  6. Noise problem in 572-10 PP amplifier
  7. Power transformer question (Bud?? calling Bud)
  8. Identifying 12AX7 Tubes
  9. PAS3 to volume pot
  10. 5F6A Amp build help (Fender Bassman)
  11. Jean Hiraga SE KT88
  12. ASC motor run caps....can they be mounted horizontal???
  13. Millivolt signal and tube sockets
  14. 6N1P Data sheet differences
  15. Confident in buying tubes on ebay ?
  16. CCS Troubles
  17. Mengyue el34b schematic needed
  18. safest way to power up a new build
  19. Phono amp Raytheon 6418 tubes
  20. YL1350 Help characteristic and output tranies
  21. EL84 PP using 5K plate to plate primate OPT
  22. VR tube flashing?
  23. Tabletop 12au7 Amp
  24. Renovated website: www.pmillett.com, www.tubebooks.org
  25. Troubleshooting Eico HF-85
  26. Custom chassis europe
  27. Mixer from pre-amp design
  28. SE Output Tranny - Dumb Question
  29. What Tube for a Differential Amplifier?
  30. Thinking of buying a Lumley Reference ST70 with attached passive pre
  31. Psu
  32. Protection of the Irreplaceable
  33. Trix T621 PA amplifier (British)
  34. Resistor types ??? (carbon or metal film)
  35. First Amp Build
  36. Help ID these little PP output xfrmrs?
  37. Rectifier voltage drop question
  38. dc and ac heater supply in Aikido
  39. Can I obtain a suitable B+ voltage with spare parts?
  40. Multi tap transformers dont use the whole windings?
  41. First layout with spud
  42. EL152, GU50 and EL156
  43. Convert a 110 volt Mcintosh Mc275 to 230volt
  44. transformer maker list
  45. design a preamp, so easy....
  46. SRPP - determining load and balancing
  47. Idea for all C3g phono stage
  48. temp check
  49. Pentode Question
  50. K & K Audio Transformer phase splitter?
  51. Transformer Efficiency
  52. How to test a 6H30 tube
  53. Karaoke Tube Hi-end In The Future
  54. What makes the old McIntosh stuff so good?
  55. Paralell 10M45's for 71A DHT filament?
  56. Rod Coleman CCS/gyrator help
  57. Differential amp.Do they pass 2nd harmonics or reject them?
  58. A half 6sl7 tube
  59. failing tube
  60. Capacitor in series - Resistor across ?
  61. Tube preamp choise...
  62. Some general tube questions from a Tube newbie !!
  63. How unsafe is an Autotransformer?
  64. Can a dual triode use a common cathode resistor?
  65. Dared MC-7P
  66. SRC2496 Miniatube tube output stage
  67. Tubetech smc2b multiband compressor
  68. Tweaking/correction question - Xindak MT-1 balance
  69. HELP! ELNA CERAFINE 500V Caps
  70. Em87/ em84
  71. Pioneer SM-83 restoration
  72. Best GM70 version suited for audio??
  73. PSUDII transformer question
  74. what are these caps doing?
  75. Distortion VS OPT impedence
  76. Heater wiring approaches
  77. Rogers pops, crackle and static are driving me mad!
  78. tube power enough?
  79. Ever notice those scratches on some plates??
  80. JE 45/2A3 SE 2001 edition
  81. Difficult Time Finding Replacement Caps
  82. Mini tube output stage
  83. Mismatched Power Tubes
  84. Eimac 35TG amplifier glows !
  85. ECC88 Shield
  86. One amp channel for mid, the other for tweeter, to SE or to PP, THAT is the Question?
  87. SRRP Output stage. Calculating power output.
  88. bogen chb-35
  89. Rating for resistors in power supply?
  90. Effects of Bias /Ammeters....
  91. pentode mode distortion 6LR8? George?
  92. Info for 6b4g PP
  93. Understanding unregulated PSU
  94. C3m C3g tubes
  95. More ebay craziness
  96. Shunt Capacitor
  97. 6021 Load Line
  98. TubeRiaa - How to calculate the impendance?
  99. Fake Vacuum Tube Amps - Funny but real
  100. 12.6v+ vs 6.3v+/- heater supply
  101. Distortion Measurements
  102. modifying kt88 pp ul amp
  103. Aikido help!
  104. Are Positive Grid Voltage Traces Necessary?
  105. New to Tubes
  106. How to read "Typical Characteristics" curves
  107. 12B4 pre output cap and LF instability
  108. attractive amp kit?
  109. Stereo 7O with transformer phase splitter?
  110. Filter Cap Recommendation
  111. New Guy...With a question...
  112. Interesting wiring guide find, thanks NASA!
  113. marantz 9's OPT data
  114. Why do my amps want signal ground and safety earth connected?
  115. scott 299c
  116. Tube Schematics
  117. JLTi EL34 and KT88 Amplifiers
  118. Radford sta15 looking for a nice preamp...
  119. Really subjective question
  120. Pen-toad Question
  121. Revox Model 40- leave it alone or dig in?
  122. Driver of Sumo Tubes PP for anybody: Shematic and PCB
  123. Output transformer from rowe ammi mm4
  124. Equivalent Circuit?
  125. 300b tube life
  126. CBS tube?
  127. Looking for a 700vdc supply
  128. Are all 9-pin sockets the same?
  129. Problem with short Test
  130. Troubleshooting 12B4/RH84/Akai project
  131. hi-end vacuum tube phono preamplifier
  132. PCB help
  133. QUICK transformer Question HELP
  134. Configuring an AB class amp to work in pure A class
  135. SCott LK-48-B balance pot
  136. lost a tube
  137. Lee Laboratory - model 50 Cruiser
  138. 1/2 of 12AX7 in single envelope?
  139. 2 pairs of 8150's
  140. AX84 Clean Preamp
  141. 8150 Tubes
  142. Capacitor/Choke value in SET buffer supply? (95 vdc B+)
  143. NJ Tube Auction
  144. pentode buffer
  145. Tube Buffer? 12ax7?
  146. What is this tube?
  147. Kits
  148. Power supply high voltage problems with Melos amp.
  149. 811A Class A2 with Power Drive
  150. Help ID this 12AX7/EL84 Console(?) Amp
  151. Eico HF-86
  152. Marantz 9 Filter CHOKE value??
  153. 10M45s: strange behaviour @ 100mA
  154. LtSpice - Russian tube models
  155. Before I buy KT88's
  156. Ultra Low Cost 6P1P Push Pull Schematic,PCB
  157. adding reverb to Bassman circuit
  158. 300B SE amp: One more one
  159. Already found problem with new amp
  160. LtSpice transformer - confusion
  161. OPUS 5.0 A Modern Mullard
  162. EL34 PP New Design of newbie
  163. Tubelabs SE vs. Simple SE ??
  164. Somebody knows about Lorenz e84l?(real Lorenz)
  165. Aikido Heater PSU help
  166. ecc99 with which Interstage Transformer?
  167. Looking for Audio Research Caps
  168. 2A3 SE Problem
  169. One knob tone control
  170. Tube Base Application ?
  171. The no-brainer project, some questions
  172. schematic request Yarland FV34AIII
  173. SY/Pete Millett Crossover
  174. Please don't stone me. . . .
  175. Golden Tube
  176. BH Curve & OPT choices
  177. Scott Transformers
  178. Identifying transformers
  179. Need Help understanding a triode fed LTP.
  180. How to measure and adjust bias
  181. Another cheap tube amp from China
  182. where to add master volume/gain/tone to Bogen L330?
  183. Another Williamson
  184. Weird EL84 PP behavior
  185. 300B SE Design
  186. Tube/Valve Shop in BERLIN
  187. Aikido buffer/gain selector?
  188. Gaijin friendly audio shop in Tokyo area?
  189. Troubleshooting channel dropout
  190. "groundbus" is this right?
  191. About New Production Tubes
  192. suche JJ E88CC oder 6922 Sovtek in Berlin
  193. 8ohm output transformer with a 4ohm load
  194. Power transformer - good for anything?
  195. Beginner question, swap .047uf for .05uf?
  196. Tetra phono stage
  197. Japanese OPTs
  198. Changing secondary voltage (Uncivilized way)
  199. 4EH7 opinions anyone?
  200. Silvertone 45A tubes....rare variant
  201. single 12AT7 in a tubelab simple se
  202. Finished the "big one"!
  203. CV428 or 5B254M useful?
  204. How about making your own tubes?!
  205. entry level int-amp?
  206. What Cap Is This?
  207. help please with kt-88 ultralinear o/p transformer
  208. A flea thingy that sounds good
  209. Mullard vs. Williamson 60W UL PP amp. Which one?
  210. Need help with PSUD II model
  211. 5v to 2.5v for 2a3 filament
  212. Does 2A3 require a grid stopper?
  213. Hammond ECL86/6GW8 conversion
  214. Connecting two opt's to act as one.
  215. Usefullness of tubes
  216. twisted/isolated/shielded wires?
  217. Feedback question
  218. What tubes for a tube amp?
  219. SE-OPTs
  220. Phase splitting using directly heated tubes?
  221. Change EL84 from Triode to Ultra linear
  222. DC hybrid folded-cascode for Schade
  223. New UK Manufacturer of Valves
  224. Can any here explain the JHS designation?
  225. Too good to be true???
  226. Judging a tube's condition
  227. EF86 tube preamp
  228. Any tips for snap in type caps to replace solder lug cans?
  229. 6EM7 SET Headamp
  230. Are these ALL really EL34 subs?
  231. parallel tubes
  232. Changing the frequency of AC from mains to lower, out of audible range???
  233. Se 6550
  234. New Suppo Audio EL34 amp
  235. 60Watt+ valve design wanted
  236. Interesting tube on e-bay for trans atlantic cable
  237. Need help solving problem on new 2A3 build
  238. Tube and Passive Preamps-Auto Transformers for Attenuators/Volume Control - Overview
  239. Peavey Classic 30 - Squeal
  240. Where bay M6 lamination (M4,M2) metal for transformer
  241. dynamic pentode screen draw
  242. Tube Sockets
  243. Circuit Ideas for the 815 (martian tube)
  244. Old Tektronix unit, usefull?
  245. my transformer output has a center tap: what do I do with this?
  246. 6AV5GA amp?
  247. Phase splitter idea
  248. Lowering noise in small signal pentodes?
  249. Articles from the past
  250. tube upgrade for vintage orange 120

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