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  1. Tube Buffer Success!
  2. Lafayette LA-234 Amplifier
  3. filter choke voltage rating
  4. Dealing with Mr. Miller (phono)
  5. Western Electric plant
  6. Pentod PP - too much NFB needed to sound nice?
  7. Lf351 replacement for Curcio Daniel I
  8. How bad is grounding one side of AC filament ?
  9. New matched tubes - where to use them
  10. Glow Tube (0B2) Help
  11. Bose 901 + Tube amps
  12. Tube tape NR
  13. Ming Da MC-34B fuse value?
  14. Volume pot for TubelabSE 300B recommendation ?
  15. (help) Make a 13.8V 50 Amp continueous current
  16. Toy amp.
  17. Looking to build a 25-30 WPC Push Pull amp - Need Help
  18. Quicksilver 8417 question
  19. GSM interference
  20. <WTA>Tube biased by LED
  21. source for knobs
  22. Lundahl 4-30 Build
  23. Anyone Have Info On Triode Board For MK IV?
  24. I would like to DIY Marantz model9
  25. 813se DIY OPT problems
  26. Got a big output trafo I want to use.
  27. building S5 k-amp
  28. EL84 max power for HiFi Amp
  29. Question about cathode bypass capacitor:
  30. Curcio Daniel II builders?
  31. 13E1 SE design
  32. Booster Amp for low powered SET
  33. Soft starting the rectifier
  34. Tube preamp components help
  35. My own version of the EAR 834P Clone
  36. Eico HF86 modifications
  37. Heaters and centre tap
  38. DHT's, fixed bias, sharred filament supply
  39. Do New JJ GZ34's have less B+ Drop?
  40. Grounded, Floating, or Thermistor-To-Case for Center Tap
  41. Hi, looking for some info on tube amplifier design basics
  42. Nifty little (cheap ) transformer for bias supply
  43. Problems with my ARC VT 130SE
  44. Telefunken V69B - Tube Amp
  45. HV Regulator
  46. EL95 mini SE
  47. NOS vs. Chinese Plate Caps
  48. TL783 regulated B+ 250V PSU schematic
  49. 6922 tube buffer
  50. 300B grid resistance
  51. 6AU6 Aikido in Triode mode?
  52. brown crud?
  53. Steve Bench's tube crossover
  54. Wierd striation on 6L6GC plate
  55. LT1085-based regulated 6.3v heater supply
  56. Are these tubes cooked?
  57. New Build Power Up Advice
  58. Choosing the right mullard design to match the Foreplay III and Ariels
  59. Dumb question on Coupling cap ratings...
  60. European Triode Festival 2008 - couple of seats left
  61. Building PRETOR toroid preamp
  62. ACT2 - ConradJohnson by 818design
  63. PS questions?
  64. Frank's Tube Database Down?
  65. Anybody try Euro DHTs like RE134, RE304 etc??
  66. Need help...again :)
  67. idea for a simple bias servo for AB PP
  68. GU-32/GI-30 tube PP amp
  69. Switch-mode PSU for tube heaters?
  70. Hammond Primary Lead color is wrong?
  71. A newbie need helps on the very 1st tube PreAmp
  72. why does 12u7 need certain amount of gain to stop hum 120???
  73. EL34 Pushpull imbalance
  74. Tube Preamp Popping on Source Input Change (?) / 6DJ8 Preamp On Chip Amps
  75. Rozenblit Grounded Grid Cascode Pho Preamp Project
  76. Driving the kt88/6550 in set mode
  77. 6550a question for engineer?
  78. Yl1260
  79. Parts layout diagram for SE amp
  80. Da 42 Triode
  81. Bogen CHB100 Power Supply Question
  82. Testing of russian tubes on B&K 747B
  83. VR150 use
  84. First Valve DIY Project
  85. I'm having grid1 current in EL34
  86. anyone ever built a tube mixer similar to the RCA Living Stereo type??
  87. SEPTOR AT-amp (Anti-Triode) being built
  88. Sophia Electric el34 mods/upgrades
  89. Looking to build....
  90. Bias resistor for source follower driver
  91. PL 519 electrical characteristics
  92. Settings for testing 2C51/5670/396A on B&K Model 600 Dyna Quik
  93. My 6AS7G Fuse Link Checker
  94. Anyone ever had issues with One Electron?
  95. 35% off sale at RadioDaze
  96. phase splitter with Tr ?
  97. Zenith stereo, EL84 SE. What to do...
  98. Free TVA-1 rev.3 schematic
  99. Bat Vk-60
  100. Trouble with amp 6V6
  101. 5-125 UL curves anyone?
  102. Mod it or scrap it?
  103. Bogen M330
  104. 1st Tube Amp - What to build?
  105. 6J5 weird phase inverter
  106. swinging CCS PP output stage
  107. Varying 2 tube amp characteristics: SE treble and richness
  108. Jadis Defy 7 Schematic
  109. microphonic sub-miniature tubes?
  110. Transformer distortion (THD)
  111. Options for replacing EF86? E180F?
  112. changing an integrated tube amp to a power amp
  113. Nice tube test supply
  114. Looking for 300B 2.5V heater vendor
  115. Cap to bypass bias battery
  116. 2A3 SE parafeed with PP-transformer
  117. Preamp Voltages
  118. TVA-1 "Export" circuit/schematic?
  119. 12ax7 series is this correct??
  120. Yet Another Phono Stage Suggestions Thread
  121. 15% off sale at Soniccraft
  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. CineMag CMMI-15/15B
  197. What amp(s) would you buy under $1500
  198. Etf 2008
  199. All FET Aikido
  200. what 12au7 have different tone ??vintage and modern
  201. Can 3.5W 2A3 amp drive proAc 1SC?
  202. British seven pin sockets
  203. Pentodes, triode mode and grid screen dissipation 101
  204. Yakov Aronov amps
  205. Suitable tube pre-amp for Phase Linear 400?
  206. Goldpoint value?
  207. TubelabSE 300B power transformer ?
  208. 316A socket
  209. Hashimoto A105 - some results (ECC99)
  210. Some uses for old transformers
  211. Power Supply Question
  212. PY82 as rectifier
  213. pro-ject tube box
  214. Some dumb Questions on Heater CCS supply
  215. Aikido loses power?
  216. Quicksilver 8417/12FQ7 mods
  217. Calculations for an AIKIDO
  218. Music Angel Empty shells
  219. Need help troubleshooting preamp trouble
  220. Compactrons on the brain!
  221. XSE vs. GSXE Edcors
  222. output transformer
  223. How to simulate OPT in LTspice?
  224. 311-b
  225. PSU Design help !!!
  226. BDT Preamp build
  227. Russian tubes / capacitors purchasing
  228. Bored with Leak ST20 - ideas?
  229. KT-88 Music Angel problems with sound level
  230. Fusion Hybrid 300B
  231. I'm new here..... :(
  232. DIY/Buy/Kit
  233. Ralph from Atma-sphere will be giving a talk 09/16
  234. Modified USB DAC board, DDDAC with triode buffer
  235. LS50/GU50 Both Grid Drive
  236. Aikido filament question
  237. 6l6 Se.
  238. Feedback requested on 7591 PP design
  239. Blackburn Mullard/Philips video
  240. DIY sheilded B+ cable
  241. Experimenters Tube Sockets
  242. Used freebies precipitate questions
  243. Mains toroid as IT with DC balance?
  244. Tubes for Viva Solista 845 SET amp
  245. SE transformer for PP duty?
  246. Warning: new SS relay question / No flame I
  247. Tube Haunts Thread?
  248. Problem with Maida regulator
  249. 2 stage SE IT coupled amps..
  250. BUF420M Current Sink

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