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  1. PAS3 to volume pot
  2. 5F6A Amp build help (Fender Bassman)
  3. Jean Hiraga SE KT88
  4. ASC motor run caps....can they be mounted horizontal???
  5. Millivolt signal and tube sockets
  6. 6N1P Data sheet differences
  7. Confident in buying tubes on ebay ?
  8. CCS Troubles
  9. Mengyue el34b schematic needed
  10. safest way to power up a new build
  11. Phono amp Raytheon 6418 tubes
  12. YL1350 Help characteristic and output tranies
  13. EL84 PP using 5K plate to plate primate OPT
  14. VR tube flashing?
  15. Tabletop 12au7 Amp
  16. Renovated website: www.pmillett.com, www.tubebooks.org
  17. Troubleshooting Eico HF-85
  18. Custom chassis europe
  19. Mixer from pre-amp design
  20. SE Output Tranny - Dumb Question
  21. What Tube for a Differential Amplifier?
  22. Thinking of buying a Lumley Reference ST70 with attached passive pre
  23. Psu
  24. Protection of the Irreplaceable
  25. Trix T621 PA amplifier (British)
  26. Resistor types ??? (carbon or metal film)
  27. First Amp Build
  28. Help ID these little PP output xfrmrs?
  29. Rectifier voltage drop question
  30. dc and ac heater supply in Aikido
  31. Can I obtain a suitable B+ voltage with spare parts?
  32. Multi tap transformers dont use the whole windings?
  33. First layout with spud
  34. EL152, GU50 and EL156
  35. Convert a 110 volt Mcintosh Mc275 to 230volt
  36. transformer maker list
  37. design a preamp, so easy....
  38. SRPP - determining load and balancing
  39. Idea for all C3g phono stage
  40. temp check
  41. Pentode Question
  42. K & K Audio Transformer phase splitter?
  43. Transformer Efficiency
  44. How to test a 6H30 tube
  45. Karaoke Tube Hi-end In The Future
  46. What makes the old McIntosh stuff so good?
  47. Paralell 10M45's for 71A DHT filament?
  48. Rod Coleman CCS/gyrator help
  49. Differential amp.Do they pass 2nd harmonics or reject them?
  50. A half 6sl7 tube
  51. failing tube
  52. Capacitor in series - Resistor across ?
  53. Tube preamp choise...
  54. Some general tube questions from a Tube newbie !!
  55. How unsafe is an Autotransformer?
  56. Can a dual triode use a common cathode resistor?
  57. Dared MC-7P
  58. SRC2496 Miniatube tube output stage
  59. Tubetech smc2b multiband compressor
  60. Tweaking/correction question - Xindak MT-1 balance
  61. HELP! ELNA CERAFINE 500V Caps
  62. Em87/ em84
  63. Pioneer SM-83 restoration
  64. Best GM70 version suited for audio??
  65. PSUDII transformer question
  66. what are these caps doing?
  67. Distortion VS OPT impedence
  68. Heater wiring approaches
  69. Rogers pops, crackle and static are driving me mad!
  70. tube power enough?
  71. Ever notice those scratches on some plates??
  72. JE 45/2A3 SE 2001 edition
  73. Difficult Time Finding Replacement Caps
  74. Mini tube output stage
  75. Mismatched Power Tubes
  76. Eimac 35TG amplifier glows !
  77. ECC88 Shield
  78. One amp channel for mid, the other for tweeter, to SE or to PP, THAT is the Question?
  79. SRRP Output stage. Calculating power output.
  80. bogen chb-35
  81. Rating for resistors in power supply?
  82. Effects of Bias /Ammeters....
  83. pentode mode distortion 6LR8? George?
  84. Info for 6b4g PP
  85. Understanding unregulated PSU
  86. C3m C3g tubes
  87. More ebay craziness
  88. Shunt Capacitor
  89. 6021 Load Line
  90. TubeRiaa - How to calculate the impendance?
  91. Fake Vacuum Tube Amps - Funny but real
  92. 12.6v+ vs 6.3v+/- heater supply
  93. Distortion Measurements
  94. modifying kt88 pp ul amp
  95. Aikido help!
  96. Are Positive Grid Voltage Traces Necessary?
  97. New to Tubes
  98. How to read "Typical Characteristics" curves
  99. 12B4 pre output cap and LF instability
  100. attractive amp kit?
  101. Stereo 7O with transformer phase splitter?
  102. Filter Cap Recommendation
  103. New Guy...With a question...
  104. Interesting wiring guide find, thanks NASA!
  105. marantz 9's OPT data
  106. Why do my amps want signal ground and safety earth connected?
  107. scott 299c
  108. Tube Schematics
  109. JLTi EL34 and KT88 Amplifiers
  110. Radford sta15 looking for a nice preamp...
  111. Really subjective question
  112. Pen-toad Question
  113. Revox Model 40- leave it alone or dig in?
  114. Driver of Sumo Tubes PP for anybody: Shematic and PCB
  115. Output transformer from rowe ammi mm4
  116. Equivalent Circuit?
  117. 300b tube life
  118. CBS tube?
  119. Looking for a 700vdc supply
  120. Are all 9-pin sockets the same?
  121. Problem with short Test
  122. Troubleshooting 12B4/RH84/Akai project
  123. hi-end vacuum tube phono preamplifier
  124. PCB help
  125. QUICK transformer Question HELP
  126. Configuring an AB class amp to work in pure A class
  127. SCott LK-48-B balance pot
  128. lost a tube
  129. Lee Laboratory - model 50 Cruiser
  130. 1/2 of 12AX7 in single envelope?
  131. 2 pairs of 8150's
  132. AX84 Clean Preamp
  133. 8150 Tubes
  134. Capacitor/Choke value in SET buffer supply? (95 vdc B+)
  135. NJ Tube Auction
  136. pentode buffer
  137. Tube Buffer? 12ax7?
  138. What is this tube?
  139. Kits
  140. Power supply high voltage problems with Melos amp.
  141. 811A Class A2 with Power Drive
  142. Help ID this 12AX7/EL84 Console(?) Amp
  143. Eico HF-86
  144. Marantz 9 Filter CHOKE value??
  145. 10M45s: strange behaviour @ 100mA
  146. LtSpice - Russian tube models
  147. Before I buy KT88's
  148. Ultra Low Cost 6P1P Push Pull Schematic,PCB
  149. adding reverb to Bassman circuit
  150. 300B SE amp: One more one
  151. Already found problem with new amp
  152. LtSpice transformer - confusion
  153. OPUS 5.0 A Modern Mullard
  154. EL34 PP New Design of newbie
  155. Tubelabs SE vs. Simple SE ??
  156. Somebody knows about Lorenz e84l?(real Lorenz)
  157. Aikido Heater PSU help
  158. ecc99 with which Interstage Transformer?
  159. Looking for Audio Research Caps
  160. 2A3 SE Problem
  161. One knob tone control
  162. Tube Base Application ?
  163. The no-brainer project, some questions
  164. schematic request Yarland FV34AIII
  165. SY/Pete Millett Crossover
  166. Please don't stone me. . . .
  167. Golden Tube
  168. BH Curve & OPT choices
  169. Scott Transformers
  170. Identifying transformers
  171. Need Help understanding a triode fed LTP.
  172. How to measure and adjust bias
  173. Another cheap tube amp from China
  174. where to add master volume/gain/tone to Bogen L330?
  175. Another Williamson
  176. Weird EL84 PP behavior
  177. 300B SE Design
  178. Tube/Valve Shop in BERLIN
  179. Aikido buffer/gain selector?
  180. Gaijin friendly audio shop in Tokyo area?
  181. Troubleshooting channel dropout
  182. "groundbus" is this right?
  183. About New Production Tubes
  184. suche JJ E88CC oder 6922 Sovtek in Berlin
  185. 8ohm output transformer with a 4ohm load
  186. Power transformer - good for anything?
  187. Beginner question, swap .047uf for .05uf?
  188. Tetra phono stage
  189. Japanese OPTs
  190. Changing secondary voltage (Uncivilized way)
  191. 4EH7 opinions anyone?
  192. Silvertone 45A tubes....rare variant
  193. single 12AT7 in a tubelab simple se
  194. Finished the "big one"!
  195. CV428 or 5B254M useful?
  196. How about making your own tubes?!
  197. entry level int-amp?
  198. What Cap Is This?
  199. help please with kt-88 ultralinear o/p transformer
  200. A flea thingy that sounds good
  201. Mullard vs. Williamson 60W UL PP amp. Which one?
  202. Need help with PSUD II model
  203. 5v to 2.5v for 2a3 filament
  204. Does 2A3 require a grid stopper?
  205. Hammond ECL86/6GW8 conversion
  206. Connecting two opt's to act as one.
  207. Usefullness of tubes
  208. twisted/isolated/shielded wires?
  209. Feedback question
  210. What tubes for a tube amp?
  211. SE-OPTs
  212. Phase splitting using directly heated tubes?
  213. Change EL84 from Triode to Ultra linear
  214. DC hybrid folded-cascode for Schade
  215. New UK Manufacturer of Valves
  216. Can any here explain the JHS designation?
  217. Too good to be true???
  218. Judging a tube's condition
  219. EF86 tube preamp
  220. Any tips for snap in type caps to replace solder lug cans?
  221. 6EM7 SET Headamp
  222. Are these ALL really EL34 subs?
  223. parallel tubes
  224. Changing the frequency of AC from mains to lower, out of audible range???
  225. Se 6550
  226. New Suppo Audio EL34 amp
  227. 60Watt+ valve design wanted
  228. Interesting tube on e-bay for trans atlantic cable
  229. Need help solving problem on new 2A3 build
  230. Tube and Passive Preamps-Auto Transformers for Attenuators/Volume Control - Overview
  231. Peavey Classic 30 - Squeal
  232. Where bay M6 lamination (M4,M2) metal for transformer
  233. dynamic pentode screen draw
  234. Tube Sockets
  235. Circuit Ideas for the 815 (martian tube)
  236. Old Tektronix unit, usefull?
  237. my transformer output has a center tap: what do I do with this?
  238. 6AV5GA amp?
  239. Phase splitter idea
  240. Lowering noise in small signal pentodes?
  241. Articles from the past
  242. tube upgrade for vintage orange 120
  243. Help for LTP/CCS plus cathode follower
  244. Conrad Johnson PV-5, my next project, some simple questions
  245. ALTEC 1566a (DiY...if)
  246. Friday Night Fun with a ST-70
  247. Aikido All-In-One Octal Heater Troubles
  248. Guitar tube amp OT Calculation/Winding HELP!
  249. transimpedance amplifier
  250. Jaehong Lee OTL

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