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  1. Webster Hammond Model "G" amplifier
  2. Matching tubes- WE 396a/RFT EL34
  3. What is the most powerful AF tube amp ever built?
  4. SOHA Amp & PSU Layout, need feedback
  5. smoke came from transformer
  6. Startup Cost?
  7. Old or new output transformer?
  8. speaker magnet proximity Question
  9. Russian L3-3 tube tester
  10. I made a web page on building triode models /w CurveCaptor
  11. Boosted Triode mode?
  12. Unbalacing a PP output transformer?
  13. ecl86 & ez80 - suitable for guitar amp?
  14. Double C Cores
  15. Aikido Power Supply
  16. Output Noise question
  17. Power Supply Ringing
  18. Compare Sowter SA08 with Plitron 3035SE for 300B
  19. My 6C33C SING WITH No SPEAKER !
  20. MOSFET Driver for Power Pentodes
  21. Floating heater supplies
  22. Altec Amplifiers
  23. What causes the overrun bias on V4?
  24. sound comparison of Class A1 vs A2 amps
  25. 12AU7 substituted for a 6922
  26. Whats the worst that could happen?
  27. Ferranti transformers
  28. PC Cooling Fans for Tube Amps
  29. 845 circuit suggestions
  30. DIY Sofia tube tester?
  31. transformer hum / buzz getting into B+?
  32. Safe Transformerless Amps Possible?
  33. GM70 Lower Voltage PP Question
  34. phonostage with 150VDC B+
  35. Spuddo more powerfull
  36. Larry Moore 300B/10Y/6SN7GT
  37. Foreplay Preamp volume popping
  38. Altec Tube Amplifiers
  39. Circuit review
  40. DIY Tube Tester for 6336s
  41. 12dw7 to 12ax7 conversion?
  42. 26 preamp
  43. Etf07
  44. 1st Project Heater Wiring
  45. Dropped tube
  46. Great bench supply for tube work.
  47. Mullard px25 - need matched pair
  48. 2W carbon composit ressy
  49. popping noise through 1 channel on Radford STA15
  50. Point to point wiring help
  51. 1st Time Project - Report 2 + advice sought
  52. "Simple" 2A3
  53. vinyl v cd differences - phono pre and cd-player
  54. Shielded input cable
  55. knight guitar amp conversion
  56. Dumb motor run capacitor question
  57. Coupling caps in ST35
  58. Mentmore M100
  59. How to match tubes?
  60. Transcendent OTL T8 Vs. Atma-Sphere M60
  61. New 12AX7A Pspice model
  62. What does R2D2, Mickey Mouse and a...
  63. Why 5V filament
  64. Alloys for filaments
  65. 6360 as Power Tube for SE amp
  66. Bridging Stereo Amps
  67. Problem with 6L6 Monoblock
  68. Gain
  69. Proper grounding method...
  70. Changing a tube amp...
  71. Houston Mini 2004 Pot question
  72. Diode Heatsink
  73. Looking for a PCB / kit for a bipolar tube rectified PSU
  74. compactron output stage and power supply
  75. Better sounding ECL86's
  76. Heathkit EA-3 conversion to guitar amp
  77. interesting amp & interesting problem
  78. Hybrid Tube / Mosfet Amplifier
  79. Again (sorry) what's the biggest 6V heater double rectifier?
  80. PP EL34 circuit wanted
  81. Need advice for transformer for tube GM 70.
  82. Pentode filter
  83. How to calculate for cathode follower
  84. 6L6WXT in a Dynaco ST-70
  85. tube preamp using submini tube
  86. SE Trafo for PP use
  87. WE91A Pentode Questions?
  88. Lower voltage Dynaco ST35 for 6P14P // 7247 replacement
  89. looking for schematic; three EL84's in PSE ?
  90. Need work done on a dynaco power amp
  91. quick question on fixed bias
  92. DIY Tube Audio dealers in New Zealand
  93. ornec
  94. Tuner filament supply question
  95. An idea for a partial feedback pentode amp using 6AU6's and 807's
  96. Tube current regulation for series heaters' supply.
  97. Bogen PCA-1 two tube booster amp
  98. First time building a tube preamp
  99. B&K 700 problems?
  100. Silvertone 1482 Blowing Rectifier Tubes
  101. Voltage Multipliers
  102. Russian 6P14P tubes
  103. Where to get tube spec sheets, pinouts
  104. PCL 82 Hybrid 2SC5200/2SA1943
  105. CCS in Otput Tube Cathode - Does It Make Sense?
  106. My Guitar Tube Amp. Help needed with Mesa/Boogie pre
  107. My brew of the "Darling"
  108. Series connection of filaments
  109. noisy filament transformer
  110. Circuit diagram for Trilogy VTi.
  111. Got oddball tubes!
  112. A photo for my question
  113. Make a preamp with an already buil amplifier
  114. DN2540
  115. mods for almarro amp
  116. Filament Transformer
  117. Circuit indentification
  118. Simplest Tube Regulated PSU?
  119. High Voltage Insulator for Umbilical
  120. wiring diagram, instruction on the transformer S-265-Q
  121. help me get started
  122. 12AU7 instead of 6C4
  123. Fisher 600 questions
  124. Phase inverter
  125. srpp input stage
  126. Orientation of EL34 Tubes
  127. Load termination ?
  128. Advice on SE DHT for Lowther Fidelio DX2
  129. Dynacord MV46 as a compressor
  130. Biggest dual triode output tube?
  131. OPT impedance question
  132. Partridge SE O/P transformers
  133. SimpleSE and me
  134. SRPP decoupling cap vs. output transformer
  135. Differences between 6SN7GTA and 6SN7GTB?
  136. Radford STA-15 questions
  137. Balanced Input Hookup
  138. Need Tube Testing Settings for 3 tubes
  139. Need helping in Grounded Grid preamp using 6H6P 6H30P
  140. Regulated Lab DC power supply
  141. Fixed Bias 6BQ5?
  142. Heathkit AG7 Audio Geneator
  143. Music Angel vs Mr Liang L1-L3? And best speakers for 3k budget?
  144. NEWBIE question SET vs. Solid State
  145. 6N6P cascode + 6AS7 Cathode follower
  146. Help me calculator OPT for 807, 6C4C tubes.
  147. Now I have caught the bug - next project
  148. 20W cathode follower amplifier
  149. Muting line level signals
  150. Anywhere in Hong Kong...
  151. RIAA / Pre mod/upgrade
  152. IT WORKS! Tube Phono Stage
  153. 2033 info sought
  154. Pentode Zeus
  155. 5987 (sc968b)
  156. Low Voltage Plate Follower 6DJ8 Buffer Power Supply
  157. JAN Sylvania 7308 vs. JAN Sylvania 6922
  158. recording amp
  159. A Tee-Vee T00b Amp
  160. metal tube lineup for a guitar amp
  161. Locating a bad resistor
  162. MiscEI
  163. ST70 iron recommendations please
  164. need help finding a link . . .
  165. Cathodyne Phase Inverter question
  166. Using a ignition coil for a audio transformer
  167. Multiple primary windings
  168. mcintosh mc3500 clone
  169. B+ Delay
  170. My attempt: 5 element Pentode Spice model
  171. Spelling, capitalization, and grammar.
  172. Power Supply
  173. Output Autotransformers
  174. Multi Section Cap....diy?
  175. Mullard: Tube Circuits for Audio Amplifiers" - Price?
  176. Tube rectifier to Solid state Diodes exchange
  177. Hickok 533A help
  178. Custom Cards For B&K 675 Tester
  179. Peavey Heritage VTX - Bias Question
  180. EMC Model 200 Tube Tester Any Info Pls
  181. Guitar amp PT design questions
  182. Bada PH-1 simple box mod
  183. Tubes Rectifier Help?
  184. How to make sense of LTSpice FFT analysis?
  185. Cascode with local feedback
  186. amps
  187. how to preserve copper plates?
  188. Stereo EL34 amplifier
  189. SA 3000 Counterpoint
  190. tube amp transformer identification
  191. Beginner needs advices for 807 PP project
  192. Heater Power Supply Pspice model
  193. FWCT Rectification
  194. dc or not dc
  195. OTL for dummies.
  196. TCJ Cathode-Coupled Amplifier
  197. 845 Low voltage SE AMP
  198. Vacuum Tube Computer Simulation Modeling
  199. Getting a vintage amp to work
  200. Switched DC/DCconverter for B+
  201. What can I do with this?
  202. Super Pas Two
  203. pspice model of 811A
  204. Question on what is more important B+ or Plate Voltage
  205. Can I trust SPICE?
  206. Power supply filter mod
  207. Does antone interested xxx PCB groupbuy ?
  208. 1 signal ground or two?
  209. Peavey Heritage VTX - Schematics
  210. #47......
  211. Hammond 1650F
  212. 100 watt KT88/6550 Designs
  213. What glue to use for tube glass bulb + base
  214. Tube filaments (heaters) power supply
  215. Quick Ecl86/6gw8 Amp
  216. Need help on eq. hook up for new tube system
  217. Alternatives to the Dynaco ST-70
  218. I need some eq. hook up expert advice please!
  219. Please help identify which plug I need for this socket
  220. Svetlana KT88 winged C's failings
  221. PP amp using 6p15P
  222. Time for another round of "Criticise my Circuit"... err..I mean
  223. Adding a parallel feed on DRD
  224. How hot can resistor stands?
  225. Hybrid amplifier A2 class
  226. Diodes on power supply output for voltage drop?
  227. Converting from single ended parafeed to differential
  228. micro-amp SE with 2,5k OPT+
  229. Unknown Tube Amp
  230. Aikido AC Heater Supply
  231. Help me find some odd looking rectifiers!
  232. So, you may have been wondering...(813 Content !)
  233. Just sharing my 26 experience last night...
  234. Simple 5842-45 SET Amp Design Idea
  235. Yamamoto teflon sockets
  236. new thread, 6BM8 PP build begins...
  237. KT88 Heater Current
  238. 150V plate output tubes
  239. Newbie need to help
  240. Help me please
  241. Elekit TU-870 help
  242. Looking for schematic of Audible Illusion Modulus 3A preamp
  243. Junker Box amp
  244. aikido hybrid with 5 A bias
  245. Shall we compile a list?
  246. drift in direct coupled tubes
  247. Hammond 2XX vs 3XX Power Tranny Questions
  248. Help with this transformer please...
  249. Capacitor upgrade in Paragon 12A
  250. Light bulbs as cathode resistors?

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