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  1. Help 805 As that the friend makes to straighten even gallbladder machine
  2. studiogear of the beatles
  3. 6AK5 Triode Curves
  4. twisted pair signal, source selector and ground buss???
  5. Tiny Amplifiers
  6. A newly aquired Hum
  7. many jan tubes
  8. is this the correct way of adding a volume control?
  9. Basic DIY Valve Phono Stage
  10. 5879 Experience?
  11. personal jobs
  12. Wanted Triode strapped curves for pentode of ECL82.
  13. source selector / volume hum in Aikido
  14. DHTs and Cathode Bias
  15. Best SET driver stage with lots of B+?
  16. Tube Library Pspice error
  17. referencing DC heater to B+
  18. Double floating Circlotron
  19. Supply Capacitors ?
  20. Sakuma style Tango project
  21. MC10L is good or not
  22. Eico HF-20 & Claus Byrith PS voltage & power draw
  23. Voltage Regulator Tubes
  24. EL34 triode-connected grounding-grid curves?
  25. Pls help me understand AR SP6 circuit
  26. I'm looking for 417a/5842 Preamp Schematic without any Transformer, any suggestion ?
  27. Trouble in a new DIY amp.
  28. Suitable Transformers
  29. PT winding calculations HELP
  30. How to measure frequency response with a PC?
  31. Pspice Tube Generation Software
  32. Tektron tube amplifier Italy made
  33. What to do with 2x Stancor A3830?
  34. REQ: Schematics and tweaking tips
  35. Jadis Da 60 & 80
  36. 6L6 for a beginner, plus ECL86/6GW8
  37. Leak Stereo 20 clone? possibly with 6V6?
  38. Any comment on Vacuum State dpa300b??
  39. Radiotron Designers Handbook
  40. Kofi Annan in: "Buggin' the 'S' Outta Me!"
  41. 12B4 eqivalent : sonics-wise ?
  42. Any Eimac Scematics?
  43. What's a 6SL7 Good For?
  44. Where Can Buy 6c41
  45. would twisted pair from a network cable be suitable as hook-up wires inside an amp?
  46. use a 45 to drive a 45 ?
  47. Regulated heater reference
  48. Heater Elevation, how high?
  49. 6201 alternative
  50. 4V Tentlabs filament supply
  51. Difference between stereo & 2 monoblocks
  52. Parallel operation of triodes.
  53. input tubes using 6922?
  54. Looking for choices - affordable PP OPTs
  55. HH Scott Transformer #s
  56. Tips for rebuilding this amp?
  57. Need advice - what can I build with this power transformer?
  58. differences between K-12M and K-12G kits?
  59. 12B4 Line Stage with Fixed Bias?
  60. split push-pull output stage
  61. any thoughts/explanation on the power supply for this circuit?
  62. Where to begin on a PP?
  63. ProAc Tablette 50 Speakers
  64. Recognizing wiped out ECC's 81,82,83
  65. So tell me.... how did YOU get into tubes??
  66. 7189 or 7819 el84 tube?
  67. Question about Star Grounding
  68. Employment offered; breadboarding a Tube Monoblock
  69. Need help: Looking for ECF80 preamp schematic
  70. a 5AR4 after a diode bridge? what is the purpose?
  71. 807 & Pe 06/40n
  72. Board layout design
  73. 12AX7, 12AU7 Substitution
  74. 200,000 Tubes for sale in Michigan
  75. Ground scheme
  76. Help on 6L6GC Triode PP..working points..
  77. A neat trick?
  78. Setup & Implementation of G Pimm's Self-Bias CCS
  79. Tube Preamp FM interference
  80. Parafeed 6EM7 with 2k load?
  81. Need Help on HEATHKIT W-5M Power Transformer
  82. Fully isolated oilbath transformer.
  83. small signal DHT or DHP like AVVT20/8?
  84. EL 84 Pentode Config.
  85. Amp Tubes
  86. Can I replace the 1M volume pot with a 100K one in my HK A300?
  87. what's a hum band?
  88. Tube phono pre-amp needed.
  89. U/L or triode mode on music angel amp
  90. Why do some people dislike ultralinear?
  91. Adaptive class A
  92. 6X4 Tube rectifier.
  93. AN Conquest Clone modification
  94. Beautiful tubes.
  95. Selectable EL34/6L6 Amp OT
  96. Simple circlotron amp
  97. 12AX7 how many is enough?
  98. samples of 300B in pse or pp
  99. power supply choke with a connection for AC ground?
  100. musical fidelity x10d schematic
  101. Pot Value
  102. Minor crackling in new valves
  103. Aikido linestage Help Needed
  104. Scott 299A Schematic
  105. Q on PP & current mirrors
  106. Calculating PT headroom in PP class AB
  107. EL34 Failure
  108. Aikido Transformer recommendation
  109. No mains transformer B+ ?
  110. Help with horizontal mounting of 01-A and VR tubes
  111. twisted pair wiring on a tube amp
  112. Calculating SE Output Question
  113. Fixed-Bias Williamson EL34
  114. Bogen CHB-35 Preamp Mod
  115. resistors and sonic effects?
  116. tamura F-683 pole question
  117. EC52--Plate choke--300B/45/2a3/50/EL34 SE
  118. vtl deluxe 300 mb
  119. Is SD a Schottky Diode in this schematic?
  120. Maida regulator
  121. 572B vs 845 vs 211 SE
  122. Yet Another EL84 Amp
  123. Regulator for tube pre
  124. referencing heater supply ground to B+
  125. One Question for Hammond 1620 output transformer
  126. Bias adjustment on Dynaco ST70
  127. To SRPP or not?
  128. 811 vs 811A?
  129. Bogen integrated stereo amp
  130. Audionote Japan (Kondo) Ongaku... Can I Clone to DIY!
  131. Broken 6L6WXT tube
  132. transformer questions
  133. Microphone With A Low Impedance Tube
  134. 6EM7 Push-Pull
  135. polarity of Xicon electrolytics
  136. SE EL84 question
  137. ST-70 Power Transformer Info
  138. My new quad SED EL34 arrived
  139. isolation transformer for 50C5 amp
  140. DSP and vacuum tubes (from Analog Devices)
  141. Asymmetrical P-P OPT Primary
  142. Gated beam discriminator "amplifier"
  143. PCB Mount Loctal Socket?
  144. "Zero bias"/ driving the grid positive
  145. Low Profile Power Transformer Help
  146. Lowering Gain on an Aikido Preamp
  147. HELP; DIY PP amp - it's phase splitter, or buy Chineese.
  148. Tube vs. SS CCS...
  149. Another "I need an amp recommendation" thread
  150. i am a new one here
  151. i am new ! can you help me
  152. Pentode CCS: Would somebody check my work?
  153. PSU for 12V DC heaters
  154. 50C5 Triode strapped?
  155. homemade faceplates
  156. Can I build this?
  157. Heptode audio preamp? ECH83
  158. E130L in Triode mode
  159. class AB2 who's using it for hifi?
  160. Obscure radio tube
  161. another mingda
  162. tube hum in Aikido
  163. equivalent input impedance
  164. 6DG6GT "Magic Amp"
  165. Tektronix transformers
  166. *very* basic plate resistance Q
  167. Yaqin MC-5881A amplifier improvements
  168. Tube design software
  169. More wasted space
  170. PC Mount Novar Socket Suppliers
  171. Planning my first project
  172. Power Transformer leakage
  173. current sensing in series with anode resistors
  174. Please recommend a 9-pin dual triode = 417A
  175. Dynaco Pas 2
  176. Anyone have accurate charts for a KT90?
  177. Calling all Phono Preamp gurus, I'm looking for some plans
  178. Measuring Unknown Transformers
  179. Swinging choke vs std. choke in PS
  180. scope tests on a Heathkit A7E
  181. tube hum in a 6SN7 Aikido - is this weird?
  182. ECC807 preamp
  183. Ode to the 8416
  184. CCS 10M45 in Cathode of CF Driver
  185. Audionics help
  186. what 8-pin tubes would you suggest for an aikido preamp?
  187. KT88 tubes
  188. Any one tried these transformers?
  189. Williamson 6L6 Monoblocks (Finally)
  190. ~2 watt SET decision
  191. retube order
  192. MC Riaa preamp help/opinions please
  193. WTB Fairchild 260 transformers
  194. Peter Millet amp
  195. Power Regulator PCB's and Aikido parts
  196. A heater wiring DOH! moment??
  197. hum in fisher 800c phono section
  198. Aikido warm-up hum, resistor types, etc.
  199. Any of these tubes good for amps?
  200. Mini 98 El84 PP amplifier
  201. 1X6S33S=6X6S19P which one gives less impedance?
  202. schematic for 12.6 VDC heaters
  203. PP transformer for SE?? Help!
  204. 7-pin miniature tubes for audio?
  205. 6L6GT vs. EL34/6CA7 and WHY?
  206. Tube rectifier help
  207. KT88 Lifetime estimation
  208. Adjustable distributed load discussion
  209. Thyratron voltage regulation
  210. switch-on, switch-off sequence for preamp/amp
  211. Found Meixing Amp schematic, sorta, would like some feedback
  212. Tube Voltage Regulator Flicker...
  213. Projects...How does one decide ?
  214. Best 6550's for the money....
  215. SMPS and tubes
  216. Looking for Eico 1030 manual/schematic
  217. 6AS7 OTL
  218. Gary Pimm's site down?
  219. 805 + 300b Amplifier Schematic
  220. Music Angel Amplifiers
  221. MM Phono stage (kit?) for tube newbie
  222. Russian tube dealer?
  223. STA1 + amp vs K-12M
  224. cheap ebay KT88 amp
  225. Tubes at low +B...
  226. Converting a yarland amp to drive headphones
  227. Starting a component system
  228. Tube newbie with Scott 299B
  229. 12AV7- 5965 Vs 12AY7
  230. PX25 tubes in a 300B Amp?
  231. help with a choke.
  232. 60Hz buzzing
  233. nuvistor bias with 18V ?
  234. ground bus for inputs on preamp - what's best?
  235. Voltage drop of various regulators in dc regulated power supply for preamp
  236. Does anyone recognise this tube amp?
  237. Entry level tube amp
  238. Anyone build/use 6BG6G?
  239. KT-77 Blues
  240. Dynaco Information MArk II Required
  241. tube test numbers - what do they mean?
  242. foolish notion, 12GN7 model?
  243. First-Timer Doubts: K-12 or Gainclone?
  244. Eico ST70 Rebuild / Upgrade
  245. More power in this
  246. Help modifiying schematic
  247. Simple Variable Tube Power Supply
  248. bias voltage vs bias current
  249. All the Bias options
  250. 6N6G looks like a great audio tube. . .

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