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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. Photo flash caps for the power supply?
  56. Finding bias point in PP fixed bias
  57. 6V6 Push Pull
  58. Transformer Mounting Braces
  59. Rozenblit 6as7 otl questions
  60. Genesis pre-amplifier schematic wanted
  61. 6H30PI/6922 Preamp Circuit
  62. PFB line amp
  63. 2A3C Mono plate: Shuguang Or Sovtek?
  64. Any kit reccomendation would be helpful
  65. Cleaning tubes...
  66. Anyone recognise these tubes...
  67. big ol' 26lb. output transformer...
  68. ECC88 Help
  69. European Triode Festival ETF08: still some places vacant!
  70. Dynaco MK IV Mystery
  71. 6as7/6080 Se Otl
  72. 6GW8 substitute tube 6BM8?
  73. Choke question
  74. Screen driven output stage
  75. Peavey Delta Blues Reverb Frustration
  76. 2a3 parallel driven 6sn7 schem
  77. WMD or Big Freakin Power Supply
  78. DIY My tube tester
  79. Help! May have dropped 12sn7 in place of 6sn7
  80. Got a bucketload of tubes, need identification
  81. Help from Allen Wright SuperReg owner
  82. Moscode 600
  83. Signal caps to keep on hand
  84. pin-compatible EF86 alternative?
  85. Capless Parafeed (with apologies to SY)
  86. T Eaton Viking schematics?
  87. S5 K-16LS mods, tweaks?
  88. 5687 fully balanced line stage
  89. Subminiature sockets
  90. What Do I Have Here?
  91. Bad vacuum?
  92. Th. Lösch Phono Amp: Question about IC used & ECC808 to ECC83
  93. Balanced 24V Aikido question
  94. How to wire a 'Buck' transformer
  95. OT question - will it work?
  96. ID Unknown Tube
  97. Time delay start board for tube amps
  98. Hum reduction ideas (again)
  99. Utc Ls-33
  100. K-16ls
  101. Potential valve damping tweak
  102. Conversion Tube PA and Bass Tone
  103. Wanted. Simple EL34 Push Pull Design
  104. PCB advice
  105. Hybrid voltage quadrupler?
  106. my fu80 amp
  107. Pre-amp for BeoMaster
  108. Question re: chokes
  109. Inundated Electrolytics
  110. power transformer recommendation
  111. PS decoupling cap placement
  112. USSR Russian Caps. KBG-MN or K75-24?
  113. #10SE Tested project
  114. schematics help
  115. HF Decoupling Caps questions
  116. 1A7 Heptode (Pentagrid Converter) Audio Preamplifier
  117. Useful power transformer design thread on Analogue
  118. Understanding Simple SE design choices
  119. Fender Pro Amp
  120. Hewlet Packard transformer
  121. 6BG6 for KT66
  122. new learning
  123. TV-7D/U Tube setting --- 6550
  124. ecc40 LTP
  125. Latest incarnation of music angel kt88
  126. Tubelab SE oscillation?
  127. 6SL7 5E3 - together at last?
  128. AN Shinri schematic wanted
  129. Found a box of old toobs
  130. Choke input filter LF noise
  131. Aikido line stage - plus phono line stage
  132. Hook up wire?
  133. Irritating problem with soft start
  134. OTL with 6AN5
  135. Mono Blocs Completed...
  136. Magic Eye for solid state Tuner?
  137. a question about drive power
  138. converting BAL to UNBAL using tubes and without transformers
  139. Aikiado question
  140. Top cap tubes+ arc welder
  141. Small beginner amplifier and hello :)
  142. Blackburn MicroTech TechTube(TM) Valves update!
  143. Resistor setup for integrated amp & headphones?
  144. Brook 2A3 PP amp ID help
  145. heater voltage
  146. kobayashi 300B push-pull
  147. Triode strapping a tetrode...
  148. Any info on 3572 Half wave Rectier
  149. Question Conrad Johnson reg. psu?
  150. Another 300B SE
  151. 7-pin Low Rp tube
  152. S-5 K-16LS Kit arrived in Germany !!
  153. Transcendar RIP?
  154. 6N6P in an Aikido?
  155. Were can i bay a Telefunken 6ak5 ?
  156. SE 245 driverstage
  157. 12ax7 srpp dac output
  158. How this circuit works (Baby Huey type)
  159. New tubeamp
  160. Snubber caps
  161. Counterpoint sa220
  162. Resistor before tube rectifier
  163. TCJ Push-Pull calculator v2
  164. Heathkit AG-9A audio generator schematic !!!
  165. Sources for James Transformers
  166. High Voltage Soldering (IPC Standards?)
  167. Speakers for Flea Powered Amps <1.5W
  168. Opinions on Allen & Bradley Carbon Composite resistors
  169. wich tube is best for the yaqin cd buffer ?
  170. Mikael Abdellah's SE KT88 bass response + tightness
  171. How best to use the PSU xformer I have
  172. 6L6GC AB2 Amp
  173. Kofi Annan in: "I'd Like Me a Mic Pre!"
  174. Too much gain - help with changing driver tube.
  175. EL95 SE schematic wanted
  176. test settings hickok i177B for 5ar4/gz34
  177. Gibson Ga-20 rvt reverb problems
  178. good value (i.e. cheap) OPT in uk?
  179. Input xfmr, diff stage, CCS questions
  180. Theoretical OPT question
  181. input/driver stage for kt88/6550
  182. thyratron switching
  183. Making component choices (6V6/EL84 PP)
  184. Which socket for a 5Y3??
  185. using #47 in p-p
  186. 6463-12b4a srpp?
  187. Need some help identifying which tubes are suitable
  188. Tube Priceing
  189. edcor output transformer advice
  190. Non top-cap tubes for plasma tweeters
  191. Intermittent Static on ARC REF 3 Preamp
  192. Have you guys seen this yet?
  193. ECC88 heater overvoltage damage?
  194. Recommended designs
  195. Aikido Phono PCB Modifications
  196. Need Power supply advice for Andreas 845
  197. Phonodude question
  198. Power Supply for Aikido Phono Pre
  199. Completed New Combo Amplifier
  200. Want to Build my first Tube Amp
  201. single tube amp ~pspice problem
  202. Modding a tonebone to switch to pentode triode operation?Can this be done??
  203. Relyon KT88/EL34 SE issue, schem attached
  204. Search 35T Schematic
  205. Hickok 600A, shattered mercury rectifier...
  206. Pete Millett Low-Mu Triode Preamp
  207. First scope/buying oscilloscope probes
  208. thyratron rectifier
  209. Need help making some choices on what to build
  210. A2 curves and curvecaptor.
  211. damper diodes ....
  212. Different Rectifier Warmup Times
  213. stupid question of the day
  214. Fisher 400 Output Transformers
  215. Tube amp repair
  216. Hi-end 845 with only two stage
  217. PL519 Heaters in series blow fuse
  218. Looking for parts to tinker with
  219. KT88 Recommendations?
  220. Anyone Interested in Pete Millett Hybrid Amp PCB's?
  221. Mirror of Steve Bench's site
  222. Quick Question About RCA Input
  223. Built an amp kit!
  224. Holy Smoking Toroid Winder
  225. Group Buy for Experimenter's 9 and 7 pin Tube Socket PCBs
  226. why do tubes have a treble lost ???
  227. Low Frequency Mains Noise
  228. Help modifying circuit
  229. Ever heard sth like this?
  230. dual volume control
  231. Need DIY help in Los Angeles area with tube preamp
  232. 6c19p se otl
  233. pt
  234. "Killer" Screen Driven Push-Pull Amp Initial Queries
  235. fixed vs. cathode bias
  236. RH84 Push pull?
  237. Cheapfield project
  238. heater connection problem
  239. What to do with this PP OPT?
  240. Question about Bridging
  241. White Fuzzy furry growth..........TV-2C/U
  242. Tweaks for 845 Power amp
  243. the aardvark grows a spud!
  244. WEST output transformers?
  245. Tube Buffer Success!
  246. Lafayette LA-234 Amplifier
  247. filter choke voltage rating
  248. Dealing with Mr. Miller (phono)
  249. Western Electric plant
  250. Pentod PP - too much NFB needed to sound nice?

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