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  1. KT88 Recommendations?
  2. Anyone Interested in Pete Millett Hybrid Amp PCB's?
  3. Mirror of Steve Bench's site
  4. Quick Question About RCA Input
  5. Built an amp kit!
  6. Holy Smoking Toroid Winder
  7. Group Buy for Experimenter's 9 and 7 pin Tube Socket PCBs
  8. why do tubes have a treble lost ???
  9. Low Frequency Mains Noise
  10. Help modifying circuit
  11. Ever heard sth like this?
  12. dual volume control
  13. Need DIY help in Los Angeles area with tube preamp
  14. 6c19p se otl
  15. pt
  16. "Killer" Screen Driven Push-Pull Amp Initial Queries
  17. fixed vs. cathode bias
  18. RH84 Push pull?
  19. Cheapfield project
  20. heater connection problem
  21. What to do with this PP OPT?
  22. Question about Bridging
  23. White Fuzzy furry growth..........TV-2C/U
  24. Tweaks for 845 Power amp
  25. the aardvark grows a spud!
  26. WEST output transformers?
  27. Tube Buffer Success!
  28. Lafayette LA-234 Amplifier
  29. filter choke voltage rating
  30. Dealing with Mr. Miller (phono)
  31. Western Electric plant
  32. Pentod PP - too much NFB needed to sound nice?
  33. Lf351 replacement for Curcio Daniel I
  34. How bad is grounding one side of AC filament ?
  35. New matched tubes - where to use them
  36. Glow Tube (0B2) Help
  37. Bose 901 + Tube amps
  38. Tube tape NR
  39. Ming Da MC-34B fuse value?
  40. Potentiometer with bass boost pin for Simple SE?
  41. Volume pot for TubelabSE 300B recommendation ?
  42. (help) Make a 13.8V 50 Amp continueous current
  43. Toy amp.
  44. Looking to build a 25-30 WPC Push Pull amp - Need Help
  45. Quicksilver 8417 question
  46. GSM interference
  47. <WTA>Tube biased by LED
  48. source for knobs
  49. Lundahl 4-30 Build
  50. Anyone Have Info On Triode Board For MK IV?
  51. I would like to DIY Marantz model9
  52. 813se DIY OPT problems
  53. Got a big output trafo I want to use.
  54. building S5 k-amp
  55. EL84 max power for HiFi Amp
  56. Question about cathode bypass capacitor:
  57. Curcio Daniel II builders?
  58. 13E1 SE design
  59. Booster Amp for low powered SET
  60. Soft starting the rectifier
  61. Tube preamp components help
  62. My own version of the EAR 834P Clone
  63. Eico HF86 modifications
  64. Heaters and centre tap
  65. DHT's, fixed bias, sharred filament supply
  66. Do New JJ GZ34's have less B+ Drop?
  67. Grounded, Floating, or Thermistor-To-Case for Center Tap
  68. Hi, looking for some info on tube amplifier design basics
  69. Nifty little (cheap ) transformer for bias supply
  70. Problems with my ARC VT 130SE
  71. Telefunken V69B - Tube Amp
  72. HV Regulator
  73. EL95 mini SE
  74. NOS vs. Chinese Plate Caps
  75. TL783 regulated B+ 250V PSU schematic
  76. Tube buffer for electronic keyboards used in a band?
  77. 6922 tube buffer
  78. 300B grid resistance
  79. 6AU6 Aikido in Triode mode?
  80. brown crud?
  81. Steve Bench's tube crossover
  82. Bogen M120 bass guitar amp coversion
  83. Wierd striation on 6L6GC plate
  84. LT1085-based regulated 6.3v heater supply
  85. Are these tubes cooked?
  86. New Build Power Up Advice
  87. Mic pre idea
  88. Choosing the right mullard design to match the Foreplay III and Ariels
  89. Dumb question on Coupling cap ratings...
  90. European Triode Festival 2008 - couple of seats left
  91. Building PRETOR toroid preamp
  92. ACT2 - ConradJohnson by 818design
  93. PS questions?
  94. Frank's Tube Database Down?
  95. Anybody try Euro DHTs like RE134, RE304 etc??
  96. Need help...again :)
  97. idea for a simple bias servo for AB PP
  98. GU-32/GI-30 tube PP amp
  99. Switch-mode PSU for tube heaters?
  100. Hammond Primary Lead color is wrong?
  101. A newbie need helps on the very 1st tube PreAmp
  102. why does 12u7 need certain amount of gain to stop hum 120???
  103. EL34 Pushpull imbalance
  104. Tube Preamp Popping on Source Input Change (?) / 6DJ8 Preamp On Chip Amps
  105. Rozenblit Grounded Grid Cascode Pho Preamp Project
  106. Driving the kt88/6550 in set mode
  107. 6550a question for engineer?
  108. Yl1260
  109. Parts layout diagram for SE amp
  110. Da 42 Triode
  111. Bogen CHB100 Power Supply Question
  112. Testing of russian tubes on B&K 747B
  113. VR150 use
  114. First Valve DIY Project
  115. I'm having grid1 current in EL34
  116. anyone ever built a tube mixer similar to the RCA Living Stereo type??
  117. SEPTOR AT-amp (Anti-Triode) being built
  118. Sophia Electric el34 mods/upgrades
  119. Looking to build....
  120. Bias resistor for source follower driver
  121. PL 519 electrical characteristics
  122. Settings for testing 2C51/5670/396A on B&K Model 600 Dyna Quik
  123. My 6AS7G Fuse Link Checker
  124. Anyone ever had issues with One Electron?
  125. 35% off sale at RadioDaze
  126. phase splitter with Tr ?
  127. Chasing my Simple SE problem...
  128. Zenith stereo, EL84 SE. What to do...
  129. Free TVA-1 rev.3 schematic
  130. Bat Vk-60
  131. Trouble with amp 6V6
  132. 5-125 UL curves anyone?
  133. Mod it or scrap it?
  134. Bogen M330
  135. 1st Tube Amp - What to build?
  136. 6J5 weird phase inverter
  137. swinging CCS PP output stage
  138. Varying 2 tube amp characteristics: SE treble and richness
  139. Jadis Defy 7 Schematic
  140. microphonic sub-miniature tubes?
  141. Transformer distortion (THD)
  142. Options for replacing EF86? E180F?
  143. changing an integrated tube amp to a power amp
  144. Nice tube test supply
  145. Looking for 300B 2.5V heater vendor
  146. Cap to bypass bias battery
  147. 2A3 SE parafeed with PP-transformer
  148. Preamp Voltages
  149. TVA-1 "Export" circuit/schematic?
  150. 12ax7 series is this correct??
  151. Yet Another Phono Stage Suggestions Thread
  152. 15% off sale at Soniccraft
  153. Bias Mode Switching Question (guitar Amp)
  154. Sizing Coupling Capacitors
  155. budget xformer for 829B pentode mode PP (class AB) ?
  156. preamp layout suggestions please
  157. Capacitors and hype!
  158. Transofrmer secondaries
  159. please help 407a
  160. OPT Grounding / Crosstalk
  161. SE With shared Rk in output
  162. Unsolved problem EL34/12AT7/5AR4
  163. Radford STA25 service UK
  164. My tube DIY Web page, translate into English
  165. suggestion about AIKIDO PRE
  166. jackson tube tester 648s manuals
  167. Hashimoto A-105 - 6S4A
  168. Looking For Counterpoint SA2000 Schematic
  169. Where do you put the standby switch
  170. Simple SE Schematic
  171. Operating point for 6GK5
  172. Audio Research St-70-c3
  173. Help identifying tube amp
  174. Ed8000
  175. power suply for Pre & Phono Use tube 6BM8
  176. ESLDD with "anti-triode"
  177. Schematics border patrol psu
  178. Tubelab PCBs for an 845 - a good idea?
  179. Bias supply idea
  180. dynaco st 70 c3
  181. KT88 and the 6550
  182. crate vintage club problem
  183. GM70/GM70 parafeed SET?
  184. Genalex repro KT88s
  185. Grid - Screen Alignment (X-Rays)
  186. tube matching
  187. DC heaters for 5687 in Aikido?
  188. Connection Jensen 4-pole
  189. Measuring Output Power
  190. Modelling stereo PSU in PSUD ...
  191. Speaker matching transformer.
  192. Sowter's Radford transformer
  193. Cathode bias 6LU8 UL/Triode
  194. Cathode bias 6LU8 UL/Triode
  195. Sourcing ASC 100uf X386S capacitor
  196. Looking for a linear triode for lowish B+ CF (6N6P?)
  197. need spice model 5814a
  198. 420T or 10E/33B ?????????
  199. Decca DMI-73 and EL-84 weirdness
  200. DIY JTM 45/100 Style Guitar Amp
  201. Pentode guys: important to decouple g2 supply between stages?
  202. Ccs
  203. The Friday Chuckle
  204. Need help deciding what to build
  205. Why does red plate spell early death?
  206. Odd transformer with 6X4 tube mounted on top.. smoking more than my uncle Frank
  207. fisher 400 tweaking issues
  208. GM70 an 813 strapped in SE-UL - circuits?
  209. need help on transformer secondaries connection
  210. Partridge audio output transformer value
  211. Low mu Preamp Triodes as Power Output Tubes
  212. 300B Transformer temperature
  213. Standby Switch Problems
  214. Worth repairing?
  215. Measuring current distortion
  216. GM70 sockets?
  217. high AC mains problem
  218. 250 V PSU help
  219. EL34 UL Curves
  220. datasheet for ge 5star and rca command 5814a?
  221. PS choke voltage/current quetsion
  222. push pull power amp design question (a lot of actually :) )
  223. Knight Amplifier Repair Question
  224. Grant G100AS circuit diagram?
  225. Hashimoto A-105 - summary so far
  226. Related Audio Worlds largest
  227. Why do valves go microphonic?
  228. Allen Wright Superreg manual
  229. Need help on resistor values for 5687 aikido kit
  230. Pioneer SM83 PP amps
  231. Techtube valves/tubes
  232. Datasheet for Russian 6p3s-e
  233. Continually Blowing Fuses
  234. I am done with AES -- a short rant.
  235. CineMag CMMI-15/15B
  236. In market for a Capacitor meter - for a tube project!
  237. What amp(s) would you buy under $1500
  238. Etf 2008
  239. All FET Aikido
  240. what 12au7 have different tone ??vintage and modern
  241. Can 3.5W 2A3 amp drive proAc 1SC?
  242. British seven pin sockets
  243. Pentodes, triode mode and grid screen dissipation 101
  244. Yakov Aronov amps
  245. Suitable tube pre-amp for Phase Linear 400?
  246. Goldpoint value?
  247. TubelabSE 300B power transformer ?
  248. 316A socket
  249. Hashimoto A105 - some results (ECC99)
  250. Some uses for old transformers

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