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  1. 6L6GC AB2 Amp
  2. Kofi Annan in: "I'd Like Me a Mic Pre!"
  3. Too much gain - help with changing driver tube.
  4. EL95 SE schematic wanted
  5. test settings hickok i177B for 5ar4/gz34
  6. Gibson Ga-20 rvt reverb problems
  7. good value (i.e. cheap) OPT in uk?
  8. Input xfmr, diff stage, CCS questions
  9. Theoretical OPT question
  10. input/driver stage for kt88/6550
  11. thyratron switching
  12. Making component choices (6V6/EL84 PP)
  13. Which socket for a 5Y3??
  14. using #47 in p-p
  15. 6463-12b4a srpp?
  16. Need some help identifying which tubes are suitable
  17. Tube Priceing
  18. edcor output transformer advice
  19. Non top-cap tubes for plasma tweeters
  20. Intermittent Static on ARC REF 3 Preamp
  21. Have you guys seen this yet?
  22. ECC88 heater overvoltage damage?
  23. Recommended designs
  24. Aikido Phono PCB Modifications
  25. Need Power supply advice for Andreas 845
  26. Phonodude question
  27. Power Supply for Aikido Phono Pre
  28. Completed New Combo Amplifier
  29. Want to Build my first Tube Amp
  30. single tube amp ~pspice problem
  31. Modding a tonebone to switch to pentode triode operation?Can this be done??
  32. Relyon KT88/EL34 SE issue, schem attached
  33. Search 35T Schematic
  34. Hickok 600A, shattered mercury rectifier...
  35. Pete Millett Low-Mu Triode Preamp
  36. First scope/buying oscilloscope probes
  37. thyratron rectifier
  38. Need help making some choices on what to build
  39. A2 curves and curvecaptor.
  40. damper diodes ....
  41. Different Rectifier Warmup Times
  42. stupid question of the day
  43. Fisher 400 Output Transformers
  44. Tube amp repair
  45. Hi-end 845 with only two stage
  46. PL519 Heaters in series blow fuse
  47. Looking for parts to tinker with
  48. KT88 Recommendations?
  49. Anyone Interested in Pete Millett Hybrid Amp PCB's?
  50. Mirror of Steve Bench's site
  51. Quick Question About RCA Input
  52. Built an amp kit!
  53. Holy Smoking Toroid Winder
  54. Group Buy for Experimenter's 9 and 7 pin Tube Socket PCBs
  55. why do tubes have a treble lost ???
  56. Low Frequency Mains Noise
  57. Help modifying circuit
  58. Ever heard sth like this?
  59. dual volume control
  60. Need DIY help in Los Angeles area with tube preamp
  61. 6c19p se otl
  62. pt
  63. "Killer" Screen Driven Push-Pull Amp Initial Queries
  64. fixed vs. cathode bias
  65. RH84 Push pull?
  66. Cheapfield project
  67. heater connection problem
  68. What to do with this PP OPT?
  69. Question about Bridging
  70. White Fuzzy furry growth..........TV-2C/U
  71. Tweaks for 845 Power amp
  72. the aardvark grows a spud!
  73. WEST output transformers?
  74. Tube Buffer Success!
  75. Lafayette LA-234 Amplifier
  76. filter choke voltage rating
  77. Dealing with Mr. Miller (phono)
  78. Western Electric plant
  79. Pentod PP - too much NFB needed to sound nice?
  80. Lf351 replacement for Curcio Daniel I
  81. How bad is grounding one side of AC filament ?
  82. New matched tubes - where to use them
  83. Glow Tube (0B2) Help
  84. Bose 901 + Tube amps
  85. Tube tape NR
  86. Ming Da MC-34B fuse value?
  87. Potentiometer with bass boost pin for Simple SE?
  88. Volume pot for TubelabSE 300B recommendation ?
  89. (help) Make a 13.8V 50 Amp continueous current
  90. Toy amp.
  91. Looking to build a 25-30 WPC Push Pull amp - Need Help
  92. Quicksilver 8417 question
  93. GSM interference
  94. <WTA>Tube biased by LED
  95. source for knobs
  96. Lundahl 4-30 Build
  97. Anyone Have Info On Triode Board For MK IV?
  98. I would like to DIY Marantz model9
  99. 813se DIY OPT problems
  100. Got a big output trafo I want to use.
  101. building S5 k-amp
  102. EL84 max power for HiFi Amp
  103. Question about cathode bypass capacitor:
  104. Curcio Daniel II builders?
  105. 13E1 SE design
  106. Booster Amp for low powered SET
  107. Soft starting the rectifier
  108. Tube preamp components help
  109. My own version of the EAR 834P Clone
  110. Eico HF86 modifications
  111. Heaters and centre tap
  112. DHT's, fixed bias, sharred filament supply
  113. Do New JJ GZ34's have less B+ Drop?
  114. Grounded, Floating, or Thermistor-To-Case for Center Tap
  115. Hi, looking for some info on tube amplifier design basics
  116. Nifty little (cheap ) transformer for bias supply
  117. Problems with my ARC VT 130SE
  118. Telefunken V69B - Tube Amp
  119. HV Regulator
  120. EL95 mini SE
  121. NOS vs. Chinese Plate Caps
  122. TL783 regulated B+ 250V PSU schematic
  123. Tube buffer for electronic keyboards used in a band?
  124. 6922 tube buffer
  125. 300B grid resistance
  126. 6AU6 Aikido in Triode mode?
  127. brown crud?
  128. Steve Bench's tube crossover
  129. Bogen M120 bass guitar amp coversion
  130. Wierd striation on 6L6GC plate
  131. LT1085-based regulated 6.3v heater supply
  132. Are these tubes cooked?
  133. New Build Power Up Advice
  134. Mic pre idea
  135. Choosing the right mullard design to match the Foreplay III and Ariels
  136. Dumb question on Coupling cap ratings...
  137. European Triode Festival 2008 - couple of seats left
  138. Building PRETOR toroid preamp
  139. ACT2 - ConradJohnson by 818design
  140. PS questions?
  141. Frank's Tube Database Down?
  142. Anybody try Euro DHTs like RE134, RE304 etc??
  143. Need help...again :)
  144. idea for a simple bias servo for AB PP
  145. GU-32/GI-30 tube PP amp
  146. Switch-mode PSU for tube heaters?
  147. Hammond Primary Lead color is wrong?
  148. A newbie need helps on the very 1st tube PreAmp
  149. why does 12u7 need certain amount of gain to stop hum 120???
  150. EL34 Pushpull imbalance
  151. Tube Preamp Popping on Source Input Change (?) / 6DJ8 Preamp On Chip Amps
  152. Rozenblit Grounded Grid Cascode Pho Preamp Project
  153. Driving the kt88/6550 in set mode
  154. 6550a question for engineer?
  155. Yl1260
  156. Parts layout diagram for SE amp
  157. Da 42 Triode
  158. Bogen CHB100 Power Supply Question
  159. Testing of russian tubes on B&K 747B
  160. VR150 use
  161. First Valve DIY Project
  162. I'm having grid1 current in EL34
  163. anyone ever built a tube mixer similar to the RCA Living Stereo type??
  164. SEPTOR AT-amp (Anti-Triode) being built
  165. Sophia Electric el34 mods/upgrades
  166. Looking to build....
  167. Bias resistor for source follower driver
  168. PL 519 electrical characteristics
  169. Settings for testing 2C51/5670/396A on B&K Model 600 Dyna Quik
  170. My 6AS7G Fuse Link Checker
  171. Anyone ever had issues with One Electron?
  172. 35% off sale at RadioDaze
  173. phase splitter with Tr ?
  174. Chasing my Simple SE problem...
  175. Zenith stereo, EL84 SE. What to do...
  176. Free TVA-1 rev.3 schematic
  177. Bat Vk-60
  178. Trouble with amp 6V6
  179. 5-125 UL curves anyone?
  180. Mod it or scrap it?
  181. Bogen M330
  182. 1st Tube Amp - What to build?
  183. 6J5 weird phase inverter
  184. swinging CCS PP output stage
  185. Varying 2 tube amp characteristics: SE treble and richness
  186. Jadis Defy 7 Schematic
  187. microphonic sub-miniature tubes?
  188. Transformer distortion (THD)
  189. Options for replacing EF86? E180F?
  190. changing an integrated tube amp to a power amp
  191. Nice tube test supply
  192. Looking for 300B 2.5V heater vendor
  193. Cap to bypass bias battery
  194. 2A3 SE parafeed with PP-transformer
  195. Preamp Voltages
  196. TVA-1 "Export" circuit/schematic?
  197. 12ax7 series is this correct??
  198. Yet Another Phono Stage Suggestions Thread
  199. 15% off sale at Soniccraft
  200. Bias Mode Switching Question (guitar Amp)
  201. Sizing Coupling Capacitors
  202. budget xformer for 829B pentode mode PP (class AB) ?
  203. preamp layout suggestions please
  204. Capacitors and hype!
  205. Transofrmer secondaries
  206. please help 407a
  207. OPT Grounding / Crosstalk
  208. SE With shared Rk in output
  209. Unsolved problem EL34/12AT7/5AR4
  210. Radford STA25 service UK
  211. My tube DIY Web page, translate into English
  212. suggestion about AIKIDO PRE
  213. jackson tube tester 648s manuals
  214. Hashimoto A-105 - 6S4A
  215. Looking For Counterpoint SA2000 Schematic
  216. Where do you put the standby switch
  217. Simple SE Schematic
  218. Operating point for 6GK5
  219. Audio Research St-70-c3
  220. Help identifying tube amp
  221. Ed8000
  222. power suply for Pre & Phono Use tube 6BM8
  223. ESLDD with "anti-triode"
  224. Schematics border patrol psu
  225. Tubelab PCBs for an 845 - a good idea?
  226. Bias supply idea
  227. dynaco st 70 c3
  228. KT88 and the 6550
  229. crate vintage club problem
  230. GM70/GM70 parafeed SET?
  231. Genalex repro KT88s
  232. Grid - Screen Alignment (X-Rays)
  233. tube matching
  234. DC heaters for 5687 in Aikido?
  235. Connection Jensen 4-pole
  236. Measuring Output Power
  237. Modelling stereo PSU in PSUD ...
  238. Speaker matching transformer.
  239. Sowter's Radford transformer
  240. Cathode bias 6LU8 UL/Triode
  241. Cathode bias 6LU8 UL/Triode
  242. Sourcing ASC 100uf X386S capacitor
  243. Looking for a linear triode for lowish B+ CF (6N6P?)
  244. need spice model 5814a
  245. 420T or 10E/33B ?????????
  246. Decca DMI-73 and EL-84 weirdness
  247. DIY JTM 45/100 Style Guitar Amp
  248. Pentode guys: important to decouple g2 supply between stages?
  249. Ccs
  250. The Friday Chuckle

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