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  1. White Fuzzy furry growth..........TV-2C/U
  2. Tweaks for 845 Power amp
  3. the aardvark grows a spud!
  4. WEST output transformers?
  5. Tube Buffer Success!
  6. Lafayette LA-234 Amplifier
  7. Dealing with Mr. Miller (phono)
  8. Western Electric plant
  9. Pentod PP - too much NFB needed to sound nice?
  10. Lf351 replacement for Curcio Daniel I
  11. How bad is grounding one side of AC filament ?
  12. New matched tubes - where to use them
  13. Glow Tube (0B2) Help
  14. Bose 901 + Tube amps
  15. Tube tape NR
  16. Ming Da MC-34B fuse value?
  17. Volume pot for TubelabSE 300B recommendation ?
  18. Toy amp.
  19. Looking to build a 25-30 WPC Push Pull amp - Need Help
  20. Quicksilver 8417 question
  21. GSM interference
  22. <WTA>Tube biased by LED
  23. Lundahl 4-30 Build
  24. Anyone Have Info On Triode Board For MK IV?
  25. I would like to DIY Marantz model9
  26. 813se DIY OPT problems
  27. Got a big output trafo I want to use.
  28. building S5 k-amp
  29. EL84 max power for HiFi Amp
  30. Question about cathode bypass capacitor:
  31. Curcio Daniel II builders?
  32. 13E1 SE design
  33. Booster Amp for low powered SET
  34. Soft starting the rectifier
  35. Tube preamp components help
  36. My own version of the EAR 834P Clone
  37. Eico HF86 modifications
  38. Heaters and centre tap
  39. DHT's, fixed bias, sharred filament supply
  40. Do New JJ GZ34's have less B+ Drop?
  41. Grounded, Floating, or Thermistor-To-Case for Center Tap
  42. Hi, looking for some info on tube amplifier design basics
  43. Nifty little (cheap ) transformer for bias supply
  44. Problems with my ARC VT 130SE
  45. Telefunken V69B - Tube Amp
  46. HV Regulator
  47. EL95 mini SE
  48. NOS vs. Chinese Plate Caps
  49. TL783 regulated B+ 250V PSU schematic
  50. 6922 tube buffer
  51. 300B grid resistance
  52. 6AU6 Aikido in Triode mode?
  53. brown crud?
  54. Steve Bench's tube crossover
  55. Wierd striation on 6L6GC plate
  56. LT1085-based regulated 6.3v heater supply
  57. Are these tubes cooked?
  58. New Build Power Up Advice
  59. Choosing the right mullard design to match the Foreplay III and Ariels
  60. Dumb question on Coupling cap ratings...
  61. European Triode Festival 2008 - couple of seats left
  62. Building PRETOR toroid preamp
  63. ACT2 - ConradJohnson by 818design
  64. PS questions?
  65. Frank's Tube Database Down?
  66. Anybody try Euro DHTs like RE134, RE304 etc??
  67. Need help...again :)
  68. idea for a simple bias servo for AB PP
  69. GU-32/GI-30 tube PP amp
  70. Switch-mode PSU for tube heaters?
  71. Hammond Primary Lead color is wrong?
  72. A newbie need helps on the very 1st tube PreAmp
  73. why does 12u7 need certain amount of gain to stop hum 120???
  74. EL34 Pushpull imbalance
  75. Tube Preamp Popping on Source Input Change (?) / 6DJ8 Preamp On Chip Amps
  76. Rozenblit Grounded Grid Cascode Pho Preamp Project
  77. Driving the kt88/6550 in set mode
  78. 6550a question for engineer?
  79. Yl1260
  80. Parts layout diagram for SE amp
  81. Da 42 Triode
  82. Bogen CHB100 Power Supply Question
  83. Testing of russian tubes on B&K 747B
  84. VR150 use
  85. First Valve DIY Project
  86. I'm having grid1 current in EL34
  87. anyone ever built a tube mixer similar to the RCA Living Stereo type??
  88. SEPTOR AT-amp (Anti-Triode) being built
  89. Sophia Electric el34 mods/upgrades
  90. Looking to build....
  91. Bias resistor for source follower driver
  92. PL 519 electrical characteristics
  93. Settings for testing 2C51/5670/396A on B&K Model 600 Dyna Quik
  94. My 6AS7G Fuse Link Checker
  95. Anyone ever had issues with One Electron?
  96. 35% off sale at RadioDaze
  97. phase splitter with Tr ?
  98. Zenith stereo, EL84 SE. What to do...
  99. Free TVA-1 rev.3 schematic
  100. Bat Vk-60
  101. Trouble with amp 6V6
  102. 5-125 UL curves anyone?
  103. Mod it or scrap it?
  104. Bogen M330
  105. 1st Tube Amp - What to build?
  106. 6J5 weird phase inverter
  107. swinging CCS PP output stage
  108. Varying 2 tube amp characteristics: SE treble and richness
  109. Jadis Defy 7 Schematic
  110. microphonic sub-miniature tubes?
  111. Transformer distortion (THD)
  112. Options for replacing EF86? E180F?
  113. changing an integrated tube amp to a power amp
  114. Nice tube test supply
  115. Looking for 300B 2.5V heater vendor
  116. Cap to bypass bias battery
  117. 2A3 SE parafeed with PP-transformer
  118. Preamp Voltages
  119. TVA-1 "Export" circuit/schematic?
  120. 12ax7 series is this correct??
  121. Yet Another Phono Stage Suggestions Thread
  122. Sizing Coupling Capacitors
  123. budget xformer for 829B pentode mode PP (class AB) ?
  124. preamp layout suggestions please
  125. Transofrmer secondaries
  126. please help 407a
  127. OPT Grounding / Crosstalk
  128. SE With shared Rk in output
  129. Unsolved problem EL34/12AT7/5AR4
  130. Radford STA25 service UK
  131. My tube DIY Web page, translate into English
  132. suggestion about AIKIDO PRE
  133. Hashimoto A-105 - 6S4A
  134. Looking For Counterpoint SA2000 Schematic
  135. Where do you put the standby switch
  136. Operating point for 6GK5
  137. Audio Research St-70-c3
  138. Help identifying tube amp
  139. Ed8000
  140. power suply for Pre & Phono Use tube 6BM8
  141. ESLDD with "anti-triode"
  142. Schematics border patrol psu
  143. Bias supply idea
  144. dynaco st 70 c3
  145. KT88 and the 6550
  146. GM70/GM70 parafeed SET?
  147. Genalex repro KT88s
  148. Grid - Screen Alignment (X-Rays)
  149. tube matching
  150. DC heaters for 5687 in Aikido?
  151. Connection Jensen 4-pole
  152. Measuring Output Power
  153. Modelling stereo PSU in PSUD ...
  154. Speaker matching transformer.
  155. Sowter's Radford transformer
  156. Cathode bias 6LU8 UL/Triode
  157. Cathode bias 6LU8 UL/Triode
  158. Looking for a linear triode for lowish B+ CF (6N6P?)
  159. need spice model 5814a
  160. 420T or 10E/33B ?????????
  161. Decca DMI-73 and EL-84 weirdness
  162. Pentode guys: important to decouple g2 supply between stages?
  163. Ccs
  164. The Friday Chuckle
  165. Need help deciding what to build
  166. Why does red plate spell early death?
  167. Odd transformer with 6X4 tube mounted on top.. smoking more than my uncle Frank
  168. fisher 400 tweaking issues
  169. GM70 an 813 strapped in SE-UL - circuits?
  170. need help on transformer secondaries connection
  171. Partridge audio output transformer value
  172. Low mu Preamp Triodes as Power Output Tubes
  173. 300B Transformer temperature
  174. Standby Switch Problems
  175. Worth repairing?
  176. Measuring current distortion
  177. GM70 sockets?
  178. high AC mains problem
  179. 250 V PSU help
  180. EL34 UL Curves
  181. datasheet for ge 5star and rca command 5814a?
  182. PS choke voltage/current quetsion
  183. push pull power amp design question (a lot of actually :) )
  184. Knight Amplifier Repair Question
  185. Grant G100AS circuit diagram?
  186. Hashimoto A-105 - summary so far
  187. Related Audio Worlds largest
  188. Why do valves go microphonic?
  189. Allen Wright Superreg manual
  190. Need help on resistor values for 5687 aikido kit
  191. Pioneer SM83 PP amps
  192. Techtube valves/tubes
  193. Datasheet for Russian 6p3s-e
  194. Continually Blowing Fuses
  195. I am done with AES -- a short rant.
  196. What amp(s) would you buy under $1500
  197. Etf 2008
  198. All FET Aikido
  199. what 12au7 have different tone ??vintage and modern
  200. Can 3.5W 2A3 amp drive proAc 1SC?
  201. British seven pin sockets
  202. Pentodes, triode mode and grid screen dissipation 101
  203. Yakov Aronov amps
  204. Suitable tube pre-amp for Phase Linear 400?
  205. Goldpoint value?
  206. TubelabSE 300B power transformer ?
  207. Hashimoto A105 - some results (ECC99)
  208. Some uses for old transformers
  209. Power Supply Question
  210. PY82 as rectifier
  211. pro-ject tube box
  212. Some dumb Questions on Heater CCS supply
  213. Aikido loses power?
  214. Quicksilver 8417/12FQ7 mods
  215. Calculations for an AIKIDO
  216. Music Angel Empty shells
  217. Need help troubleshooting preamp trouble
  218. Compactrons on the brain!
  219. XSE vs. GSXE Edcors
  220. output transformer
  221. How to simulate OPT in LTspice?
  222. 311-b
  223. PSU Design help !!!
  224. BDT Preamp build
  225. Russian tubes / capacitors purchasing
  226. Bored with Leak ST20 - ideas?
  227. KT-88 Music Angel problems with sound level
  228. Fusion Hybrid 300B
  229. I'm new here..... :(
  230. DIY/Buy/Kit
  231. Ralph from Atma-sphere will be giving a talk 09/16
  232. Modified USB DAC board, DDDAC with triode buffer
  233. LS50/GU50 Both Grid Drive
  234. Aikido filament question
  235. 6l6 Se.
  236. Feedback requested on 7591 PP design
  237. Blackburn Mullard/Philips video
  238. DIY sheilded B+ cable
  239. Experimenters Tube Sockets
  240. Used freebies precipitate questions
  241. Mains toroid as IT with DC balance?
  242. Tubes for Viva Solista 845 SET amp
  243. SE transformer for PP duty?
  244. Warning: new SS relay question / No flame I
  245. Tube Haunts Thread?
  246. Problem with Maida regulator
  247. 2 stage SE IT coupled amps..
  248. BUF420M Current Sink
  249. Direct from the mains?
  250. Annealed silicon core opt`s

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