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  1. Hi-end 845 with only two stage
  2. PL519 Heaters in series blow fuse
  3. Looking for parts to tinker with
  4. KT88 Recommendations?
  5. Anyone Interested in Pete Millett Hybrid Amp PCB's?
  6. Mirror of Steve Bench's site
  7. Quick Question About RCA Input
  8. Built an amp kit!
  9. Holy Smoking Toroid Winder
  10. Group Buy for Experimenter's 9 and 7 pin Tube Socket PCBs
  11. why do tubes have a treble lost ???
  12. Low Frequency Mains Noise
  13. Help modifying circuit
  14. Ever heard sth like this?
  15. dual volume control
  16. Need DIY help in Los Angeles area with tube preamp
  17. 6c19p se otl
  18. pt
  19. "Killer" Screen Driven Push-Pull Amp Initial Queries
  20. fixed vs. cathode bias
  21. RH84 Push pull?
  22. Cheapfield project
  23. heater connection problem
  24. What to do with this PP OPT?
  25. Question about Bridging
  26. White Fuzzy furry growth..........TV-2C/U
  27. Tweaks for 845 Power amp
  28. the aardvark grows a spud!
  29. WEST output transformers?
  30. Tube Buffer Success!
  31. Lafayette LA-234 Amplifier
  32. filter choke voltage rating
  33. Dealing with Mr. Miller (phono)
  34. Western Electric plant
  35. Pentod PP - too much NFB needed to sound nice?
  36. Lf351 replacement for Curcio Daniel I
  37. How bad is grounding one side of AC filament ?
  38. New matched tubes - where to use them
  39. Glow Tube (0B2) Help
  40. Bose 901 + Tube amps
  41. Tube tape NR
  42. Ming Da MC-34B fuse value?
  43. Potentiometer with bass boost pin for Simple SE?
  44. Volume pot for TubelabSE 300B recommendation ?
  45. (help) Make a 13.8V 50 Amp continueous current
  46. Toy amp.
  47. Looking to build a 25-30 WPC Push Pull amp - Need Help
  48. Quicksilver 8417 question
  49. GSM interference
  50. <WTA>Tube biased by LED
  51. source for knobs
  52. Lundahl 4-30 Build
  53. Anyone Have Info On Triode Board For MK IV?
  54. I would like to DIY Marantz model9
  55. 813se DIY OPT problems
  56. Got a big output trafo I want to use.
  57. building S5 k-amp
  58. EL84 max power for HiFi Amp
  59. Question about cathode bypass capacitor:
  60. Curcio Daniel II builders?
  61. 13E1 SE design
  62. Booster Amp for low powered SET
  63. Soft starting the rectifier
  64. Tube preamp components help
  65. My own version of the EAR 834P Clone
  66. Eico HF86 modifications
  67. Heaters and centre tap
  68. DHT's, fixed bias, sharred filament supply
  69. Do New JJ GZ34's have less B+ Drop?
  70. Grounded, Floating, or Thermistor-To-Case for Center Tap
  71. Hi, looking for some info on tube amplifier design basics
  72. Nifty little (cheap ) transformer for bias supply
  73. Problems with my ARC VT 130SE
  74. Telefunken V69B - Tube Amp
  75. HV Regulator
  76. EL95 mini SE
  77. NOS vs. Chinese Plate Caps
  78. TL783 regulated B+ 250V PSU schematic
  79. Tube buffer for electronic keyboards used in a band?
  80. 6922 tube buffer
  81. 300B grid resistance
  82. 6AU6 Aikido in Triode mode?
  83. brown crud?
  84. Steve Bench's tube crossover
  85. Bogen M120 bass guitar amp coversion
  86. Wierd striation on 6L6GC plate
  87. LT1085-based regulated 6.3v heater supply
  88. Are these tubes cooked?
  89. New Build Power Up Advice
  90. Mic pre idea
  91. Choosing the right mullard design to match the Foreplay III and Ariels
  92. Dumb question on Coupling cap ratings...
  93. European Triode Festival 2008 - couple of seats left
  94. Building PRETOR toroid preamp
  95. ACT2 - ConradJohnson by 818design
  96. PS questions?
  97. Frank's Tube Database Down?
  98. Anybody try Euro DHTs like RE134, RE304 etc??
  99. Need help...again :)
  100. idea for a simple bias servo for AB PP
  101. GU-32/GI-30 tube PP amp
  102. Switch-mode PSU for tube heaters?
  103. Hammond Primary Lead color is wrong?
  104. A newbie need helps on the very 1st tube PreAmp
  105. why does 12u7 need certain amount of gain to stop hum 120???
  106. EL34 Pushpull imbalance
  107. Tube Preamp Popping on Source Input Change (?) / 6DJ8 Preamp On Chip Amps
  108. Rozenblit Grounded Grid Cascode Pho Preamp Project
  109. Driving the kt88/6550 in set mode
  110. 6550a question for engineer?
  111. Yl1260
  112. Parts layout diagram for SE amp
  113. Da 42 Triode
  114. Bogen CHB100 Power Supply Question
  115. Testing of russian tubes on B&K 747B
  116. VR150 use
  117. First Valve DIY Project
  118. I'm having grid1 current in EL34
  119. anyone ever built a tube mixer similar to the RCA Living Stereo type??
  120. SEPTOR AT-amp (Anti-Triode) being built
  121. Sophia Electric el34 mods/upgrades
  122. Looking to build....
  123. Bias resistor for source follower driver
  124. PL 519 electrical characteristics
  125. Settings for testing 2C51/5670/396A on B&K Model 600 Dyna Quik
  126. My 6AS7G Fuse Link Checker
  127. Anyone ever had issues with One Electron?
  128. 35% off sale at RadioDaze
  129. phase splitter with Tr ?
  130. Chasing my Simple SE problem...
  131. Zenith stereo, EL84 SE. What to do...
  132. Free TVA-1 rev.3 schematic
  133. Bat Vk-60
  134. Trouble with amp 6V6
  135. 5-125 UL curves anyone?
  136. Mod it or scrap it?
  137. Bogen M330
  138. 1st Tube Amp - What to build?
  139. 6J5 weird phase inverter
  140. swinging CCS PP output stage
  141. Varying 2 tube amp characteristics: SE treble and richness
  142. Jadis Defy 7 Schematic
  143. microphonic sub-miniature tubes?
  144. Transformer distortion (THD)
  145. Options for replacing EF86? E180F?
  146. changing an integrated tube amp to a power amp
  147. Nice tube test supply
  148. Looking for 300B 2.5V heater vendor
  149. Cap to bypass bias battery
  150. 2A3 SE parafeed with PP-transformer
  151. Preamp Voltages
  152. TVA-1 "Export" circuit/schematic?
  153. 12ax7 series is this correct??
  154. Yet Another Phono Stage Suggestions Thread
  155. 15% off sale at Soniccraft
  156. Bias Mode Switching Question (guitar Amp)
  157. Sizing Coupling Capacitors
  158. budget xformer for 829B pentode mode PP (class AB) ?
  159. preamp layout suggestions please
  160. Capacitors and hype!
  161. Transofrmer secondaries
  162. please help 407a
  163. OPT Grounding / Crosstalk
  164. SE With shared Rk in output
  165. Unsolved problem EL34/12AT7/5AR4
  166. Radford STA25 service UK
  167. My tube DIY Web page, translate into English
  168. suggestion about AIKIDO PRE
  169. jackson tube tester 648s manuals
  170. Hashimoto A-105 - 6S4A
  171. Looking For Counterpoint SA2000 Schematic
  172. Where do you put the standby switch
  173. Simple SE Schematic
  174. Operating point for 6GK5
  175. Audio Research St-70-c3
  176. Help identifying tube amp
  177. Ed8000
  178. power suply for Pre & Phono Use tube 6BM8
  179. ESLDD with "anti-triode"
  180. Schematics border patrol psu
  181. Tubelab PCBs for an 845 - a good idea?
  182. Bias supply idea
  183. dynaco st 70 c3
  184. KT88 and the 6550
  185. crate vintage club problem
  186. GM70/GM70 parafeed SET?
  187. Genalex repro KT88s
  188. Grid - Screen Alignment (X-Rays)
  189. tube matching
  190. DC heaters for 5687 in Aikido?
  191. Connection Jensen 4-pole
  192. Measuring Output Power
  193. Modelling stereo PSU in PSUD ...
  194. Speaker matching transformer.
  195. Sowter's Radford transformer
  196. Cathode bias 6LU8 UL/Triode
  197. Cathode bias 6LU8 UL/Triode
  198. Sourcing ASC 100uf X386S capacitor
  199. Looking for a linear triode for lowish B+ CF (6N6P?)
  200. need spice model 5814a
  201. 420T or 10E/33B ?????????
  202. Decca DMI-73 and EL-84 weirdness
  203. DIY JTM 45/100 Style Guitar Amp
  204. Pentode guys: important to decouple g2 supply between stages?
  205. Ccs
  206. The Friday Chuckle
  207. Need help deciding what to build
  208. Why does red plate spell early death?
  209. Odd transformer with 6X4 tube mounted on top.. smoking more than my uncle Frank
  210. fisher 400 tweaking issues
  211. GM70 an 813 strapped in SE-UL - circuits?
  212. need help on transformer secondaries connection
  213. Partridge audio output transformer value
  214. Low mu Preamp Triodes as Power Output Tubes
  215. 300B Transformer temperature
  216. Standby Switch Problems
  217. Worth repairing?
  218. Measuring current distortion
  219. GM70 sockets?
  220. high AC mains problem
  221. 250 V PSU help
  222. EL34 UL Curves
  223. datasheet for ge 5star and rca command 5814a?
  224. PS choke voltage/current quetsion
  225. push pull power amp design question (a lot of actually :) )
  226. Knight Amplifier Repair Question
  227. Grant G100AS circuit diagram?
  228. Hashimoto A-105 - summary so far
  229. Related Audio Worlds largest
  230. Why do valves go microphonic?
  231. Allen Wright Superreg manual
  232. Need help on resistor values for 5687 aikido kit
  233. Pioneer SM83 PP amps
  234. Techtube valves/tubes
  235. Datasheet for Russian 6p3s-e
  236. Continually Blowing Fuses
  237. I am done with AES -- a short rant.
  238. CineMag CMMI-15/15B
  239. In market for a Capacitor meter - for a tube project!
  240. What amp(s) would you buy under $1500
  241. Etf 2008
  242. All FET Aikido
  243. what 12au7 have different tone ??vintage and modern
  244. Can 3.5W 2A3 amp drive proAc 1SC?
  245. British seven pin sockets
  246. Pentodes, triode mode and grid screen dissipation 101
  247. Yakov Aronov amps
  248. Suitable tube pre-amp for Phase Linear 400?
  249. Goldpoint value?
  250. TubelabSE 300B power transformer ?

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