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  1. Anyone recognise these tubes...
  2. big ol' 26lb. output transformer...
  3. ECC88 Help
  4. European Triode Festival ETF08: still some places vacant!
  5. Dynaco MK IV Mystery
  6. 6as7/6080 Se Otl
  7. 6GW8 substitute tube 6BM8?
  8. Choke question
  9. Screen driven output stage
  10. Peavey Delta Blues Reverb Frustration
  11. 2a3 parallel driven 6sn7 schem
  12. WMD or Big Freakin Power Supply
  13. DIY My tube tester
  14. Help! May have dropped 12sn7 in place of 6sn7
  15. Got a bucketload of tubes, need identification
  16. Help from Allen Wright SuperReg owner
  17. Moscode 600
  18. Signal caps to keep on hand
  19. pin-compatible EF86 alternative?
  20. Capless Parafeed (with apologies to SY)
  21. T Eaton Viking schematics?
  22. S5 K-16LS mods, tweaks?
  23. 5687 fully balanced line stage
  24. Subminiature sockets
  25. What Do I Have Here?
  26. Bad vacuum?
  27. Th. Lösch Phono Amp: Question about IC used & ECC808 to ECC83
  28. Balanced 24V Aikido question
  29. How to wire a 'Buck' transformer
  30. OT question - will it work?
  31. ID Unknown Tube
  32. Time delay start board for tube amps
  33. Hum reduction ideas (again)
  34. Utc Ls-33
  35. K-16ls
  36. Potential valve damping tweak
  37. Conversion Tube PA and Bass Tone
  38. Wanted. Simple EL34 Push Pull Design
  39. PCB advice
  40. Hybrid voltage quadrupler?
  41. my fu80 amp
  42. Pre-amp for BeoMaster
  43. Question re: chokes
  44. Inundated Electrolytics
  45. power transformer recommendation
  46. PS decoupling cap placement
  47. USSR Russian Caps. KBG-MN or K75-24?
  48. #10SE Tested project
  49. schematics help
  50. HF Decoupling Caps questions
  51. 1A7 Heptode (Pentagrid Converter) Audio Preamplifier
  52. Useful power transformer design thread on Analogue
  53. Understanding Simple SE design choices
  54. Fender Pro Amp
  55. Hewlet Packard transformer
  56. 6BG6 for KT66
  57. new learning
  58. TV-7D/U Tube setting --- 6550
  59. ecc40 LTP
  60. Latest incarnation of music angel kt88
  61. Tubelab SE oscillation?
  62. 6SL7 5E3 - together at last?
  63. AN Shinri schematic wanted
  64. Found a box of old toobs
  65. Choke input filter LF noise
  66. Aikido line stage - plus phono line stage
  67. Hook up wire?
  68. Irritating problem with soft start
  69. OTL with 6AN5
  70. Mono Blocs Completed...
  71. Magic Eye for solid state Tuner?
  72. a question about drive power
  73. converting BAL to UNBAL using tubes and without transformers
  74. Aikiado question
  75. Top cap tubes+ arc welder
  76. Small beginner amplifier and hello :)
  77. Blackburn MicroTech TechTube(TM) Valves update!
  78. Resistor setup for integrated amp & headphones?
  79. Brook 2A3 PP amp ID help
  80. heater voltage
  81. kobayashi 300B push-pull
  82. Triode strapping a tetrode...
  83. Any info on 3572 Half wave Rectier
  84. Question Conrad Johnson reg. psu?
  85. Another 300B SE
  86. 7-pin Low Rp tube
  87. S-5 K-16LS Kit arrived in Germany !!
  88. Transcendar RIP?
  89. 6N6P in an Aikido?
  90. Were can i bay a Telefunken 6ak5 ?
  91. SE 245 driverstage
  92. 12ax7 srpp dac output
  93. How this circuit works (Baby Huey type)
  94. New tubeamp
  95. Snubber caps
  96. Counterpoint sa220
  97. Resistor before tube rectifier
  98. TCJ Push-Pull calculator v2
  99. Heathkit AG-9A audio generator schematic !!!
  100. Sources for James Transformers
  101. High Voltage Soldering (IPC Standards?)
  102. Speakers for Flea Powered Amps <1.5W
  103. Opinions on Allen & Bradley Carbon Composite resistors
  104. wich tube is best for the yaqin cd buffer ?
  105. Mikael Abdellah's SE KT88 bass response + tightness
  106. How best to use the PSU xformer I have
  107. 6L6GC AB2 Amp
  108. Kofi Annan in: "I'd Like Me a Mic Pre!"
  109. Too much gain - help with changing driver tube.
  110. EL95 SE schematic wanted
  111. test settings hickok i177B for 5ar4/gz34
  112. Gibson Ga-20 rvt reverb problems
  113. good value (i.e. cheap) OPT in uk?
  114. Input xfmr, diff stage, CCS questions
  115. Theoretical OPT question
  116. input/driver stage for kt88/6550
  117. thyratron switching
  118. Making component choices (6V6/EL84 PP)
  119. Which socket for a 5Y3??
  120. using #47 in p-p
  121. 6463-12b4a srpp?
  122. Need some help identifying which tubes are suitable
  123. Tube Priceing
  124. edcor output transformer advice
  125. Non top-cap tubes for plasma tweeters
  126. Intermittent Static on ARC REF 3 Preamp
  127. Have you guys seen this yet?
  128. ECC88 heater overvoltage damage?
  129. Recommended designs
  130. Aikido Phono PCB Modifications
  131. Need Power supply advice for Andreas 845
  132. Phonodude question
  133. Power Supply for Aikido Phono Pre
  134. Completed New Combo Amplifier
  135. Want to Build my first Tube Amp
  136. single tube amp ~pspice problem
  137. Modding a tonebone to switch to pentode triode operation?Can this be done??
  138. Relyon KT88/EL34 SE issue, schem attached
  139. Search 35T Schematic
  140. Hickok 600A, shattered mercury rectifier...
  141. Pete Millett Low-Mu Triode Preamp
  142. First scope/buying oscilloscope probes
  143. thyratron rectifier
  144. Need help making some choices on what to build
  145. A2 curves and curvecaptor.
  146. damper diodes ....
  147. Different Rectifier Warmup Times
  148. stupid question of the day
  149. Fisher 400 Output Transformers
  150. Tube amp repair
  151. Hi-end 845 with only two stage
  152. PL519 Heaters in series blow fuse
  153. Looking for parts to tinker with
  154. KT88 Recommendations?
  155. Anyone Interested in Pete Millett Hybrid Amp PCB's?
  156. Mirror of Steve Bench's site
  157. Quick Question About RCA Input
  158. Built an amp kit!
  159. Holy Smoking Toroid Winder
  160. Group Buy for Experimenter's 9 and 7 pin Tube Socket PCBs
  161. why do tubes have a treble lost ???
  162. Low Frequency Mains Noise
  163. Help modifying circuit
  164. Ever heard sth like this?
  165. dual volume control
  166. Need DIY help in Los Angeles area with tube preamp
  167. 6c19p se otl
  168. pt
  169. "Killer" Screen Driven Push-Pull Amp Initial Queries
  170. fixed vs. cathode bias
  171. RH84 Push pull?
  172. Cheapfield project
  173. heater connection problem
  174. What to do with this PP OPT?
  175. Question about Bridging
  176. White Fuzzy furry growth..........TV-2C/U
  177. Tweaks for 845 Power amp
  178. the aardvark grows a spud!
  179. WEST output transformers?
  180. Tube Buffer Success!
  181. Lafayette LA-234 Amplifier
  182. filter choke voltage rating
  183. Dealing with Mr. Miller (phono)
  184. Western Electric plant
  185. Pentod PP - too much NFB needed to sound nice?
  186. Lf351 replacement for Curcio Daniel I
  187. How bad is grounding one side of AC filament ?
  188. New matched tubes - where to use them
  189. Glow Tube (0B2) Help
  190. Bose 901 + Tube amps
  191. Tube tape NR
  192. Ming Da MC-34B fuse value?
  193. Potentiometer with bass boost pin for Simple SE?
  194. Volume pot for TubelabSE 300B recommendation ?
  195. (help) Make a 13.8V 50 Amp continueous current
  196. Toy amp.
  197. Looking to build a 25-30 WPC Push Pull amp - Need Help
  198. Quicksilver 8417 question
  199. GSM interference
  200. &lt;WTA&gt;Tube biased by LED
  201. source for knobs
  202. Lundahl 4-30 Build
  203. Anyone Have Info On Triode Board For MK IV?
  204. I would like to DIY Marantz model9
  205. 813se DIY OPT problems
  206. Got a big output trafo I want to use.
  207. building S5 k-amp
  208. EL84 max power for HiFi Amp
  209. Question about cathode bypass capacitor:
  210. Curcio Daniel II builders?
  211. 13E1 SE design
  212. Booster Amp for low powered SET
  213. Soft starting the rectifier
  214. Tube preamp components help
  215. My own version of the EAR 834P Clone
  216. Eico HF86 modifications
  217. Heaters and centre tap
  218. DHT's, fixed bias, sharred filament supply
  219. Do New JJ GZ34's have less B+ Drop?
  220. Grounded, Floating, or Thermistor-To-Case for Center Tap
  221. Hi, looking for some info on tube amplifier design basics
  222. Nifty little (cheap ) transformer for bias supply
  223. Problems with my ARC VT 130SE
  224. Telefunken V69B - Tube Amp
  225. HV Regulator
  226. EL95 mini SE
  227. NOS vs. Chinese Plate Caps
  228. TL783 regulated B+ 250V PSU schematic
  229. Tube buffer for electronic keyboards used in a band?
  230. 6922 tube buffer
  231. 300B grid resistance
  232. 6AU6 Aikido in Triode mode?
  233. brown crud?
  234. Steve Bench's tube crossover
  235. Bogen M120 bass guitar amp coversion
  236. Wierd striation on 6L6GC plate
  237. LT1085-based regulated 6.3v heater supply
  238. Are these tubes cooked?
  239. New Build Power Up Advice
  240. Mic pre idea
  241. Choosing the right mullard design to match the Foreplay III and Ariels
  242. Dumb question on Coupling cap ratings...
  243. European Triode Festival 2008 - couple of seats left
  244. Building PRETOR toroid preamp
  245. ACT2 - ConradJohnson by 818design
  246. PS questions?
  247. Frank's Tube Database Down?
  248. Anybody try Euro DHTs like RE134, RE304 etc??
  249. Need help...again :)
  250. idea for a simple bias servo for AB PP

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