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  1. no bass makes pedro a whiny boy
  2. Iron, glass, sand and lead.
  3. Is this any good? Considerations
  4. 2A3 SET Output Transformer opinions/recommendations
  5. My 6C45 DC 6C41, advice wanted
  6. DIY valve
  7. A good SE project?
  8. who will build me this special "line tubeamp"
  9. PI filters
  10. Designing a simple dc filament supply?
  11. Rogers Cadett amp
  12. HI & a few words/questions ...
  13. 6d22s
  14. eBay
  15. Chassis layout for Stereo JE Labs 300BDX
  16. Output transformer help
  17. CAD Program for Tubes
  18. 801A/816 tubes wanted
  19. This little thing might save your life!
  20. What happens if I loose the cathode bias?
  21. beginners ecl82 power supply
  22. 2MHz, High voltage source?
  23. beginner's ecl82
  24. Handmade Electronics Metal Punches?
  25. EL34 types
  26. Spice Model 6CW4
  27. El/pl 519
  28. Euridice symetric to Amp?
  29. use of 6dj8 as driver on a direct coupled 2a3 se amp
  30. Western Electric 275A Schematic
  31. Where to source 833 power tube
  32. capacitor reactance
  33. Overvoltaging resistors
  34. EL84 Push Pull amp.
  35. Power supply load capacity
  36. Tube preamp problem
  37. E88C (6DL4/ 8255), any circuit for it?
  38. Is there a name for this drive method?
  39. 6BM8 Question
  40. Tube mic preamp/mixer
  41. Please cast your votes..or make a suggestion or 2
  42. RIAA in LTspice
  43. Parallel ECC82 comment please
  44. A push-pull amp i can live with
  45. Sub-miniature russian amp help
  46. Tube Optical-Isolation Unit
  47. MKP in the Powersupply.
  48. 6SN7-GTB Globe (Chinese)
  49. 12BH7 Specs
  50. Is this worth my time?
  51. choke value
  52. ipod + tubes
  53. Leak tl/25+ OPT selection
  54. Gabevee's Maggie (MAG1515)
  55. Can partial feedback be as effective as global fb for decent damping factor?
  56. Which trans wire is which?
  57. What's wrong with this tube?
  58. F: great sound control with ECC82
  59. 30W UL 6L6P-P amp
  60. 300B stereo SE amp and PP2A3 monoblocks
  61. 6S45P matching
  62. Inductors made for crossover in an amp?
  63. PX4 or AVO44 or AV044 based SETA
  64. power conditioning
  65. Microphone preamp with compressor
  66. Current production rectifiers
  67. mu stage help...
  68. Non-Polar caps to cathode bypass
  69. 5u4 / solid state switchable supply
  70. 12AX7 sound ... going with the trend
  71. 6L6 PP Design Recommendations?
  72. EL 34 30W ultra linear
  73. Convert Audion Silver Knight PP monos
  74. Too much gain
  75. The long lost linear gain stage
  76. Philco power tranny diagram/5u4 supply
  77. Kt88 Se
  78. supersize me, please. (powersupply)
  79. Seeking advice on "Circlotron" cross-coupled feedback OTL design
  80. Best 6CA7?
  81. ECC99 line preamp
  82. coupling caps???
  83. variable regulated negitive grid supply
  84. hum loop advice
  85. Against all odds...
  86. 6as7 se amp
  87. Help .. tube amplifier .. 1st !
  88. winding a toroidal pp output
  89. solid state Vs Tube Rectification
  90. Cryoed Tubes...what To Expect?
  91. I'm looking for 6H13C tubes
  92. Which ST-70 ?
  93. Some questions about Van Scoyoc X-coupled splitter
  94. Quicksilver 8417 bias runaway?
  95. Most effective use of valve pre & active xover
  96. Tube possibilities for 2.9k-ohm speaker?
  97. Help on Preamp Mute Switch
  98. Fixed bias supply problems...
  99. Help with VTL preamp...
  100. question about 811A and 572B
  101. Dual Stereo Cathode Folower Setup
  102. tube tester
  103. Audio Innovation 1000 SE
  104. 6as7 PP Schematic Help
  105. Newbie Question: Need help diagnosing a problem, tubes on, music fades out quickly
  106. 7591EH failure
  107. opt frequency response
  108. Anyone got any opinions on this?
  109. My ForePlay Processor Controlled Preamp
  110. Tube ghetto blaster ?
  111. Help trouble shooting
  112. "The Fisher" tube amp 7189 output tubes
  113. UTC output transformers specs
  114. Regulation options for 807 g2
  115. My Mullard 5/20
  116. Anyone tried Black Beauty caps??
  117. KT88 power amp
  118. High voltage regulator
  119. Filament voltage ?
  120. Unity Gain Unbalanced to Balanced Phase Splitter
  121. Anyone know the g1-g2 capacitance of 6AU6?
  122. Any good Transformer or Tube manufactureres in India ?
  123. McMartin MA-20?
  124. Help with Jolida 302A
  125. need 13fd7 curves
  126. Drd Kt88?
  127. miniature tube amp
  128. 300B pp schematic found, what about it?
  129. Tube Output Stage
  130. se otl
  131. Toroidals as OPTs?
  132. Tube advice
  133. Understanding OPT primary Z and load matching.
  134. help with Optomal placement of output transformers.
  135. 50h B26
  136. Anyone know what this is?? Strange tube/ bulb.
  137. Please ID output transformer
  138. Cheap and Easy Tube Phono Preamp
  139. Carbon film vs metal film resistors in a stepped attenuator?
  140. Alps pots vs. TKD pots? TKD worth the extra$$?
  141. Opamp as tube driver: Protection ideas?
  142. Looking for schematics CROFT OTL APPARITION
  143. ISO (new Tango) info...
  144. Noob Question on Driver Stages
  145. High Voltage Reference
  146. DIY valve amp
  147. JJ multisection caps
  148. Inverted Interstage Transformer
  149. regarding to the design of iron-cored inductors (chokes)
  150. Trying to find an amp
  151. 12v tube output stage for cs43122 based dac?
  152. Wattages & Loudness: ?I'm Lost?
  153. cmrr of common cathode
  154. The Next Step. (and budget tube amplifier kits/designs).
  155. non-diy amplifiers with choke input power supplies
  156. Does a cathode bypass capacitor reduce hum?
  157. a tube convert tries a mosfet
  158. Motorboating in leak 20
  159. New MC preamp is comming alive
  160. HV tubes
  161. power supply pspice simulation problem
  162. Can a tube rectifier handle a C dual LC?
  163. Valve schematic & PC board design
  164. Just acqired some strange tubes.........
  165. Sovtek 6L6WXT
  166. RCA tubes, need info
  167. Stromberg Carlson 245M
  168. mounting tubes upside-down
  169. 6922 acting strange........or is it ?
  170. Fender Champ: What Transformers?
  171. Naive CCS quesion
  172. DIY scrap tubebuffer with ECC88
  173. choke current rating
  174. Velleman K8010
  175. film vs. electrolytic
  176. Tube mic preamp for speaker measurements
  177. 833a plate resistance ?
  178. second harmonic distortion
  179. Speakers not connected on tube amp, good or bad?
  180. different psu filter topologies ?
  181. Does anyone know this english amp ?
  182. kt88 power amplifier
  183. physical layout of 6B4G PP amp?
  184. Tube Life
  185. PSUD2 designer accuracy?
  186. Need advice on old 6bq5 amp...........
  187. rca83 rectifier precautions
  188. Multi chassis grounding scheme.
  189. 717a Datasheet
  190. 12B4 Battery Bias from (Preamp: Foreplay or 5687 or 12B4 )
  191. Need Six-pac amp schematic
  192. Any clue of how to use this part as a current sink for a CF?
  193. Tweeks on tubes - bring out the demagnetiserss
  194. Absolute. Best. Chassis. Ever.
  195. Zout adapted for 2 EL34 80W Va=560V
  196. load line - truth or fiction
  197. Best place to place bleeder resistor in a power supply?
  198. Pretty Tubes
  199. Preamp: Foreplay or 5687 or 12B4
  200. want to make otl with 6 tung-sol 6336a
  201. 6L6'S vs EL34's
  202. What can you tell me about Halldorson transformers
  203. CROFT OTL (APPARITION MODEL) Schematics
  204. Is there a 'Gainclone' Of the tube world?
  205. Line Amp Design review
  206. Looking for a very special project
  207. Designing a LC power supply
  208. psu caps
  209. Easiest CAD to learn to layout my chassis?
  210. newbie asks question :cathode biasing
  211. mr. pimm's ccs rev.3?
  212. Audio Research LS22 - Looking for schematics
  213. Beard P100
  214. shunt regulation??
  215. Vitamin Q VS Jensen
  216. Mystery Russian tube logo ?
  217. Counterpoint SA-7 Schematic
  218. Dual rectification off single sencondary transformer question
  219. Which preamp to choose for my ECC88s?
  220. looking for morgan jones phono amp schematic
  221. Amp for a beginner
  222. Question about direct coupling a anode follower into a cathode follower.
  223. On Line Tube Learning for newbies....
  224. EL34 Vs. EL84.......
  225. New DHT heater
  226. A Career in Tube Audio?
  227. Xicon Polypropylene Cap for Valve Amp
  228. ECC99 Heater / Cathode Max Volt
  229. Replacing Tubes
  230. schematics wanted please
  231. MCUTracer -- the missing code
  232. How do you double the voltage on a PSU?
  233. EL34 tubes to Proboi M50 amp
  234. ATH-W1000 headphones need amplifier
  235. g. pimm's rev3. and rev. 4 -6P1P/5687 ???
  236. New EL84 SE schemat.
  237. 32 NOS RCA 1644 (12L6-GT) Twin Pentode tubes
  238. reducing hum
  239. Lafayette LA-224
  240. Comments on RSD Tubes
  241. Tube heatsink
  242. wondering about direction
  243. An Ultra -linear question
  244. 5687 Preamp as I plan to build it.
  245. Hoekstra DC-Coupled 300B ... oooooh!
  246. 5687_6n1p_6p1p_gary pimm
  247. How lucky are we? TJ type 50 triode to be made. Make your preferences known now!
  248. Biasing DC heaters
  249. EL34 SE amp schematics
  250. Negative Voltage with Tube Rectification?

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