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  1. Audio Note Trans 205 specs?
  2. Help translating russian tube datasheet
  3. Very high output level!
  4. Help wanted with valve data
  5. Boiling sound...
  6. Negative Feedback Ground
  7. low power SE with 813
  8. KT instead EL
  9. a single double triode and two chanel?
  10. 76 driving 211?
  11. My Experience with "Music Angel" EL34 PP
  12. 12JT6 in triode mode curves needed
  13. Where did these EL84 numbers come from?
  14. int. low signal
  15. FFT analysis-Truth or Consequence
  16. 6sn7gtb Filament Voltage
  17. Help with Tube Buffer for passive pre
  18. Is there a 12CM7?
  19. 12ax7
  20. tube driving the same tube - whats the collective word?
  21. 6c33c PSE
  22. 75% of rated max. current too high?
  23. ST shaped tube
  24. Tube Phono Pre of RJM
  25. how to determine P1 from P2 of a Push-pull transformer?
  26. fisher x100a
  27. Please review EL84M PP design before I order parts.
  28. Auction Gem Motorola? Go Figure!
  29. Darling amp plate voltage
  30. Sound quality of 6C4C is same with 2A3?
  31. 6,3VAC to 6,3VDC
  32. EL84 push pull idea
  33. Marantz preamp clone for newbie?
  34. Can I use Philips TB2.5 /400 in a SE ampl.
  35. Microwave + Computer = Tube? [help!]
  36. Oil Capacitor DC vs. AC Voltage Rating
  37. Plate Choke Miller Capacitance
  38. Anyone interested in building an EAR 834P?
  39. tube pre-amp
  40. Choke For Supply B+ Diy
  41. Audio Note DAC4 SRPP output stage problems!
  42. Regulated Dc Question
  43. what about tubes?
  44. Please help choose amp layout.
  45. SE 813 OPT..Am I On the right Track?
  46. say it's a hum problem
  47. Affordable KT88
  48. With transformer or OTL ?
  49. 45 SE tube amp OPT
  50. 2 Bogen 7027 tube amp vintage amplifier mono block
  51. Newnewbie Ouput Tranny question
  52. Webcor Amplifier Speaker
  53. could 24A been power tube
  54. How's this for a first amp?
  55. U.K. transformer supplier
  56. stereo el34 + kt66?
  57. Very tempting Good invesment or not????????
  58. A Heretical Unity gain line stage
  59. NFB net gain or loss
  60. Different brands:Is there any difference?
  61. McIntosh 225 Schematic
  62. LM317 for power amp regulation?
  63. KT88 or 6550?
  64. How to choose 6c33b?
  65. Using rectifier tubes in parallell
  66. Small problem at power off
  67. Preamp rebuild - hum problem
  68. what should I do with this tranny???
  69. Will this 2A3 PSE work?
  70. Ec86
  71. Worth to buy - tubes?
  72. 10/10/ preamp
  73. what do you think of this preamp?
  74. Tube FM -- Armstrong's first bdcst commemorated
  75. rjm 6dj8 phono section
  76. mercury vapor rectifier tubes on e-bay
  77. Russian Tube Stuff -- WSJ
  78. Help Please!!!!!!
  79. 5902 amp schematics?
  80. Microphonics...........
  81. High voltage PSU
  82. 2A3 v 6550
  83. Coupling cap question
  84. Wollcott cross coupled circuit
  85. TAD Tubes where are they from?
  86. ebay Junk or Treasures?
  87. interconnects
  88. In few words
  89. GlassFET Design Ideas
  90. ecc88 tube pover supply-rect.
  91. A tubeNoob enters => I bought a Dynavox VR-70E
  92. plugging guitar amp to phono reciever
  93. Heater Supply using LM3X7 current source
  94. Stepdown input trafo
  95. increasing the bias will cause the amp to.....
  96. Transformer faulty?
  97. More crappy Russian EL34s - Svetlana this time
  98. My Tragic story about Emission Labs tube
  99. Please help me solve the problem
  100. amp freq response with o-scope
  101. Can you SEE (construction) how a tube SOUNDS?
  102. CCS fed shunt regulators
  103. Recommended Modifications/Tweaks for Dynaco PAS-3 Series II Pre-Amp
  104. ebay toys
  105. Source for 6c45pi's???
  106. phono preamp design for c3m postie valve
  107. McMartin MA-50 Troubleshooting
  108. looking for something different
  109. mc275
  110. Sv572-3 Se
  111. Alps step attenuator
  112. seeking real kt90 pp schematics
  113. -50V negative supply
  114. Inductance coupling between chokes
  115. Mercury Magnetics
  116. warming up thetubes
  117. distorsion
  118. using a plate choke?
  119. Should I trash these tubes
  120. Minature Vaccum Tube Question
  121. 46 tube user
  122. Smells like a mistake
  123. Help for my hybird zero feedback AMP
  124. help on ul transformer please
  125. Wiring the D3a as triode - What is best?
  126. Switching from ultralinear to triode
  127. Help for a Output Transfo problem
  128. Pentode models
  129. Good or bad to use parallel capacitors of same value in signal path...
  130. Urgent: Need Help on Schematics (Tube Pre-Amplifier)
  131. ASL wave 8 mods
  132. lectron jh 60 help----------------
  133. crown tube poweramp
  134. Alan kimmel mu stage article
  135. What would you do with this amp?
  136. tube software
  137. Simple Valve Preamplifier
  138. Current sourced heaters in a CF
  139. Tubes and music styles
  140. Cheap SE EL84
  141. Making a living out of tubes? (A little off-topic)
  142. EL84 matched pairs
  143. Tango XE20S voltage rating?
  144. power transformer heat
  145. Used Tube Amps, second life..
  146. Tubes
  147. Taylor 845
  148. AVO CT-160 Tube Tester - how to remove knobs?? - please help
  149. The DIYHifiSupply.com Joplin amplifier Kit
  150. Berning P-1 Preamp
  151. Which tube for OPT 7,5k SE low watts???
  152. help me with this puzzle...
  153. Univox 1501 Fried Resistors
  154. It makes me wonder ...
  155. Tubes operating in horizontal position
  156. Dewald radio N-803b keep or use parts?
  157. Ongaku
  158. PSU Design question
  159. Primary reactance of a parafeed OPT
  160. Info on IIT interstage trafos?
  161. vt25/10-Y or 45 tube
  162. 2a3, single plate-double plate?
  163. Preferred tube? KT88 vs. EL34
  164. You may laugh..but don't waste your time trying to dissuade me. 300B preamp.
  165. Parallelling power supply chokes???
  166. Sherwood S7000
  167. please explain plate curves
  168. Triode connected SV6550C with 500V HT
  169. KT88 SE schematic wanted.
  170. 6SN7 based tube buffer
  171. hum measurement
  172. Load of tubes to liquidate
  173. Unhappy with the Lilliput design
  174. Halving OPT's pri.imp. by connecting 8ohm load to 16ohm tap - Good/Bad?
  175. Tube Technology Prophet
  176. Cathode Feedback from Secondary for PP Amp
  177. Zenith Amplifier
  178. Dynaco SCA-35 fixer-upper
  179. Multiple primary power transformer question
  180. Sizing a Regulator
  181. will laziness burn my amp down?!
  182. resistors of a lower power rating
  183. wavy vibrato-like sound when amp cranked
  184. Rh34se?
  185. Ef86, 6n1p & 845pp
  186. HYBRID POWER AMPLIFIER - please help!
  187. 6528 Se
  188. single ended HiFi Regal stereo tube amplifier
  189. Matisse Line Amp
  190. changing longtail
  191. What do you think??????
  192. The amplifier itself whines
  193. DIY repair- replacing capacitors
  194. Benefits of 845B
  195. Counterpoint Preamp Modifications
  196. Humming Sovtek EF86
  197. Output Transformers
  198. RIAA phono stage
  199. The cathode FeedBack in Push-Pull amp
  200. What's a Field Coil Amplifier?
  201. Need help for ampeg tube amp transformers ...
  202. HF filter inductors for signal path
  203. Different tube options for DCMB driver stage?
  204. Crowhurst paper on output xformer search
  205. Tamura inputs trans used as linestage out
  206. Seperate Amp for center channel
  207. Look for UL41 PP Structure!!
  208. Photoelectric valves?
  209. Bell Carrillon tube amp 6V6
  210. Yamamoto Sound Craft A-08 Amplifier
  211. Wanted Radford MA-15
  212. Beyond SET and ParaFeed.... Complementary Current Triode
  213. Too much gain
  214. 2 To 3 Prong Conversion
  215. 6c33 Set
  216. Svetlana MVSZ ---> cheat??
  217. separation of phono power supply for marantz m7 clone
  218. 300b Circuit Mod.
  219. james transformers
  220. ecc preamp schematics please!!!
  221. 845B problem
  222. 150W Garage sale find.
  223. speakers for class A ?
  224. Power Tx core should ground?
  225. First try, Would some one look over.
  226. Global Feedback in Push Pull Amps
  227. Heater voltage circuit change......why please
  228. EICO 147A operators manual
  229. Please Help My Tube Microphones!
  230. Magnetic Circuit Gurus Needed
  231. Tube Blues
  232. end of tube
  233. What is meant by 'Extended Cut-off'?
  234. How is it possible?
  235. best long life for my tube
  236. My first tube amp design...check it out.
  237. Tube driver for a SS power amplifier
  238. HK & world: with Cayin, are tube kits still good value (apart from learning)?
  239. www.thetubecenter.com = reliable?
  240. Lp values for guitar amp OT
  241. what do I replace...?
  242. Rectifiers: Tube vs Solid state..
  243. What can I do with 3Q4 Pentode tubes?
  244. DIY Powdered Core Progress Report
  245. PP output transformer grounded or not ?
  246. Bias supply question
  247. Minimum filament voltage for 300B
  248. Is it ok to combine output transformers?
  249. JE labs 2A3 evaluation
  250. 6sn7,6h30,6c33c ?

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