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  1. Kt88 Se
  2. ping Tom Schlangen
  3. Found An Old Transformer, Now What???
  4. Brook 22A restoration, HELP!!
  5. Optimal operating point for 7N7/6SN7?
  6. Loudness Control Calc - Help Please
  7. Kofi Annan in: "Cascodin' with Steve Bench's RIAA!"
  8. New 300B PP amp completed, phase shift questions
  9. One more PSU2 question
  10. 5U4 Darling power TX advice needed
  11. how to optimize this pentode PP (PP1 clone with S11E12)
  12. Can I change the input to a 6SL7?
  13. Outputtransformer to IGA 6550C ULPP
  14. Question on use PSUD2 software
  15. Please add to my confusion re stepup transformers
  16. filament power supply question
  17. Major Hum Problem
  18. FARMER LAMP amp
  19. Valve amp "master class"
  20. Toroid power transformers - are they a good idea?
  21. EL84 SE amplifier
  22. Gain Problems
  23. My SE KT-88 Build thread
  24. Rolling da(rling's) 6j4wa
  25. Phono pre amp
  26. Michealson Audio Da Vinci Preamp
  27. Acrosound PP 6550: Any Advice?
  28. PS idea: isolating transformer from load
  29. K-16LS Help Please
  30. 6N6P-I life-time
  31. Filament Xformer woes...
  32. The Use of 1:1 Input Transformers in Linestages
  33. 12hg7 vs 12hn7a
  34. Anyone familiar with VAC PA 90C1?
  35. Help restore an RCP 413 tube tester
  36. voltage reg make heat sink live. Bad idea?
  37. Audio Innovations series 800 reactivation + some mods
  38. Using 2 rectifiers off 1 power supply
  39. Tube power supply
  40. Improving low bass of a Scott 299c
  41. 1939 Radioshack Catalog online...Anyone have a time machine?
  42. VCCS filament supply for 813
  43. digital volume control
  44. Philips AD3800AM and AD9710AM clones
  45. MTP6N60E replacement
  46. Upgrading output transformers
  47. Cascode RIAA
  48. need a manual for selectron model 40 tube tester??
  49. Volume swinging problem
  50. How to use the almost Group buy Diyaudio CCS circuit
  51. Big voltage swing tube recommendation please
  52. Morgan Jones KT88 PP
  53. Mystery Tube Amplifier -- Help?????
  54. tube tester how can i tell if have match pair?
  55. Finding bias point in PP fixed bias
  56. 6V6 Push Pull
  57. Transformer Mounting Braces
  58. Rozenblit 6as7 otl questions
  59. Genesis pre-amplifier schematic wanted
  60. 6H30PI/6922 Preamp Circuit
  61. PFB line amp
  62. 2A3C Mono plate: Shuguang Or Sovtek?
  63. Any kit reccomendation would be helpful
  64. Cleaning tubes...
  65. Anyone recognise these tubes...
  66. big ol' 26lb. output transformer...
  67. ECC88 Help
  68. European Triode Festival ETF08: still some places vacant!
  69. Dynaco MK IV Mystery
  70. 6as7/6080 Se Otl
  71. 6GW8 substitute tube 6BM8?
  72. Choke question
  73. Screen driven output stage
  74. 2a3 parallel driven 6sn7 schem
  75. WMD or Big Freakin Power Supply
  76. DIY My tube tester
  77. Help! May have dropped 12sn7 in place of 6sn7
  78. Got a bucketload of tubes, need identification
  79. Help from Allen Wright SuperReg owner
  80. Moscode 600
  81. Signal caps to keep on hand
  82. pin-compatible EF86 alternative?
  83. Capless Parafeed (with apologies to SY)
  84. T Eaton Viking schematics?
  85. S5 K-16LS mods, tweaks?
  86. 5687 fully balanced line stage
  87. Subminiature sockets
  88. What Do I Have Here?
  89. Bad vacuum?
  90. Th. Lösch Phono Amp: Question about IC used & ECC808 to ECC83
  91. Balanced 24V Aikido question
  92. OT question - will it work?
  93. ID Unknown Tube
  94. Time delay start board for tube amps
  95. Hum reduction ideas (again)
  96. Utc Ls-33
  97. K-16ls
  98. Potential valve damping tweak
  99. Conversion Tube PA and Bass Tone
  100. Wanted. Simple EL34 Push Pull Design
  101. PCB advice
  102. Hybrid voltage quadrupler?
  103. my fu80 amp
  104. Pre-amp for BeoMaster
  105. Question re: chokes
  106. Inundated Electrolytics
  107. power transformer recommendation
  108. PS decoupling cap placement
  109. USSR Russian Caps. KBG-MN or K75-24?
  110. #10SE Tested project
  111. schematics help
  112. HF Decoupling Caps questions
  113. 1A7 Heptode (Pentagrid Converter) Audio Preamplifier
  114. Useful power transformer design thread on Analogue
  115. Understanding Simple SE design choices
  116. Hewlet Packard transformer
  117. 6BG6 for KT66
  118. new learning
  119. TV-7D/U Tube setting --- 6550
  120. ecc40 LTP
  121. Latest incarnation of music angel kt88
  122. Tubelab SE oscillation?
  123. AN Shinri schematic wanted
  124. Found a box of old toobs
  125. Aikido line stage - plus phono line stage
  126. Hook up wire?
  127. Irritating problem with soft start
  128. OTL with 6AN5
  129. Mono Blocs Completed...
  130. Magic Eye for solid state Tuner?
  131. a question about drive power
  132. converting BAL to UNBAL using tubes and without transformers
  133. Aikiado question
  134. Top cap tubes+ arc welder
  135. Small beginner amplifier and hello :)
  136. Blackburn MicroTech TechTube(TM) Valves update!
  137. Resistor setup for integrated amp & headphones?
  138. Brook 2A3 PP amp ID help
  139. heater voltage
  140. kobayashi 300B push-pull
  141. Triode strapping a tetrode...
  142. Any info on 3572 Half wave Rectier
  143. Question Conrad Johnson reg. psu?
  144. Another 300B SE
  145. 7-pin Low Rp tube
  146. S-5 K-16LS Kit arrived in Germany !!
  147. Transcendar RIP?
  148. 6N6P in an Aikido?
  149. Were can i bay a Telefunken 6ak5 ?
  150. SE 245 driverstage
  151. 12ax7 srpp dac output
  152. How this circuit works (Baby Huey type)
  153. New tubeamp
  154. Snubber caps
  155. Counterpoint sa220
  156. Resistor before tube rectifier
  157. TCJ Push-Pull calculator v2
  158. Heathkit AG-9A audio generator schematic !!!
  159. Sources for James Transformers
  160. High Voltage Soldering (IPC Standards?)
  161. Speakers for Flea Powered Amps <1.5W
  162. Opinions on Allen & Bradley Carbon Composite resistors
  163. wich tube is best for the yaqin cd buffer ?
  164. Mikael Abdellah's SE KT88 bass response + tightness
  165. How best to use the PSU xformer I have
  166. 6L6GC AB2 Amp
  167. Kofi Annan in: "I'd Like Me a Mic Pre!"
  168. Too much gain - help with changing driver tube.
  169. EL95 SE schematic wanted
  170. test settings hickok i177B for 5ar4/gz34
  171. good value (i.e. cheap) OPT in uk?
  172. Input xfmr, diff stage, CCS questions
  173. Theoretical OPT question
  174. input/driver stage for kt88/6550
  175. thyratron switching
  176. Making component choices (6V6/EL84 PP)
  177. Which socket for a 5Y3??
  178. using #47 in p-p
  179. 6463-12b4a srpp?
  180. Need some help identifying which tubes are suitable
  181. Tube Priceing
  182. edcor output transformer advice
  183. Non top-cap tubes for plasma tweeters
  184. Intermittent Static on ARC REF 3 Preamp
  185. Have you guys seen this yet?
  186. ECC88 heater overvoltage damage?
  187. Recommended designs
  188. Aikido Phono PCB Modifications
  189. Need Power supply advice for Andreas 845
  190. Phonodude question
  191. Power Supply for Aikido Phono Pre
  192. Completed New Combo Amplifier
  193. Want to Build my first Tube Amp
  194. single tube amp ~pspice problem
  195. Modding a tonebone to switch to pentode triode operation?Can this be done??
  196. Relyon KT88/EL34 SE issue, schem attached
  197. Search 35T Schematic
  198. Hickok 600A, shattered mercury rectifier...
  199. Pete Millett Low-Mu Triode Preamp
  200. First scope/buying oscilloscope probes
  201. thyratron rectifier
  202. Need help making some choices on what to build
  203. A2 curves and curvecaptor.
  204. damper diodes ....
  205. Different Rectifier Warmup Times
  206. stupid question of the day
  207. Fisher 400 Output Transformers
  208. Tube amp repair
  209. Hi-end 845 with only two stage
  210. PL519 Heaters in series blow fuse
  211. Looking for parts to tinker with
  212. KT88 Recommendations?
  213. Anyone Interested in Pete Millett Hybrid Amp PCB's?
  214. Mirror of Steve Bench's site
  215. Quick Question About RCA Input
  216. Built an amp kit!
  217. Holy Smoking Toroid Winder
  218. Group Buy for Experimenter's 9 and 7 pin Tube Socket PCBs
  219. why do tubes have a treble lost ???
  220. Low Frequency Mains Noise
  221. Help modifying circuit
  222. Ever heard sth like this?
  223. dual volume control
  224. Need DIY help in Los Angeles area with tube preamp
  225. 6c19p se otl
  226. pt
  227. "Killer" Screen Driven Push-Pull Amp Initial Queries
  228. fixed vs. cathode bias
  229. RH84 Push pull?
  230. Cheapfield project
  231. heater connection problem
  232. What to do with this PP OPT?
  233. Question about Bridging
  234. White Fuzzy furry growth..........TV-2C/U
  235. Tweaks for 845 Power amp
  236. the aardvark grows a spud!
  237. WEST output transformers?
  238. Tube Buffer Success!
  239. Lafayette LA-234 Amplifier
  240. filter choke voltage rating
  241. Dealing with Mr. Miller (phono)
  242. Western Electric plant
  243. Pentod PP - too much NFB needed to sound nice?
  244. Lf351 replacement for Curcio Daniel I
  245. How bad is grounding one side of AC filament ?
  246. New matched tubes - where to use them
  247. Glow Tube (0B2) Help
  248. Bose 901 + Tube amps
  249. Tube tape NR
  250. Ming Da MC-34B fuse value?

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