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  1. Power cord for single ended triode
  2. Virtual chokes
  3. 12AU7 based preamp hums when output cable is touched!
  4. Possible Test equipment find.
  5. 6ak5-45
  6. Using coax for signal wiring?
  7. Chassis Plate Finish
  8. Schade84
  9. Fisher 800c selenium rectifier pictures
  10. Looking for tips on operating points for tubes in anode follower ...
  11. Transformer in the cathodes ??
  12. Fisher 800c static,crackle
  13. 19J6 replacement
  14. Newbie tube buffer kit
  15. Simple se parts, all needed?
  16. Any recommendations for tube for vari-mu compressor?
  17. AMC CVT 3030 Bias Procedure
  18. Anyone used a edcor cxpp100-ms-5k OT
  19. Noisy gain boost
  20. Troubleshooting hum issues with batteries?
  21. Rectifying Heater Supply
  22. tube heater over voltage!please help...
  23. rca 829b bias ? Audioromy 828
  24. 10k winding, 100k pot
  25. What is the definition of a 'good tube'?
  26. 3-stage DC-coupled Ampl
  27. 1946 Philco Tube Receiver
  28. A New Source for James Transformers
  29. Edcor Site Down? Gone? anyone know anything?
  30. Please suggest practical DIY uses for these BIG oil caps
  31. How to calculate DRD amps..
  32. PL-519 Tube - Tell me more please...
  33. Need ideas for amp with 2A3, One Electron UBT-3
  34. Favourites discrete brand for tube amp
  35. Pharmicia EPS500/400 Power supply - tube use
  36. Black Art Audio
  37. 12AX7/12BH7 Hammond Tube Preamp Project
  38. Dampen transformer endbells?
  39. Do I have DC on my AC line?
  40. GM-70 cathode feed SE amplifier
  41. Rogers cadet mk 2 newbie project experience required
  42. Mcintosh amps transformer rewinding, help needed please!
  43. Using an output tranny from a stereo for a single-ended amplifier ?
  44. 6336A Single Ended.
  45. UA 175 Urei 175
  46. Morgan Jones 5842 RIAA
  47. Question about current ratings of Hammond 300 series power transformers.
  48. Cathode Windings
  49. Phono stage for 12B4 amp [from previous thread]
  50. Looking for schematic of 26 WOT Preamp
  51. Transformer Lam Questions
  52. Schottky diode bias
  53. ACROSOUND direct-couple EL84 amplifier question
  54. RH807 CCS loaded
  55. Audio Note Kit 1 PSU question
  56. B&K 500 Tube Tester Calibration
  57. New kt88's or 6550
  58. Bias Supply resistors
  59. Incredible source for used transformers and parts!
  60. Reclaimed Hammond H100 PSU's
  61. Arc Vt-60 Cloned :-)
  62. First Time Pre Amp Build
  63. Tubelab SE 300B low level hum, help
  64. 845 - Progress so far
  65. Nube challange12AX7 to drive 6C4
  66. 7th harmonic distortion from PP pentodes depends on bias?
  67. West Output Transformers?
  68. Help me design my DAC/Line Preamp.
  69. Hybrid preamp tube problemHi,
  70. sweept tubes for simple Se recommendation?
  71. Building RH84 SE tube amp.
  72. Question - THD Measrement/Spectrum Analyzis
  73. What to do with TMC tube radio gear?
  74. Easy & Safe & Good sounding gainclone tube buffer
  75. Compactron (31AL10) Head-Scratcher
  76. What cable do you use from input socket to volume pot
  77. problem with 12AE6A buffer
  78. Parafeed dc blocking/coupling cap help
  79. Funky Looking 15DQ8s
  80. 12SN7 vs 7N7 bs 6SN7
  81. Correct Pins For EL84 Triode Strap
  82. Dimensions for anode cap sizes?
  83. Mains transformer help needed please
  84. Tone Stack Challenge
  85. Aikido 6SN7 input 5687 output
  86. FRANK"S 6SN7 preamp/linestage
  87. Pentode grid question...
  88. Hybrid fullwave rectifier
  89. 300B stereo amp project help
  90. EdcorEurope
  91. Can AC wires induce hum in output transformers?
  92. Would you use a 4 ohm tap with these speakers?
  93. Changing grid leak bias preamp to cathode bias
  94. 304tl se amp
  95. 5687 Srpp
  96. Dumb Question Brain is numb today!
  97. What a Deal!
  98. Roll Chart for 6DJ8/6922/7308 on Philco 9100 help
  99. MeiXing MC-805AA biasing
  100. whats a good diy tube preamp kit
  101. SimpleSE parts list
  102. Matched tubes or not matched
  103. wood gnomes really do live in france
  104. Pathos Classic one
  105. A Uk supplier of valve amp kits
  106. Detached getter?
  107. 12B4 Line Stage Amp
  108. How do I control volume on Dynaco ST-70?
  109. A few questions from a total novice.
  110. RCA preamp modification
  111. Bogen Challenger CH8 conversion...newb needs help!
  112. 6AU6A - Micropowered tube amp
  113. Yet another DHT filament supply
  114. where to find 5998 ?
  115. Mcintosh MA 2275 Schematic Required
  116. Help on sonic frontier sf line 1 preamp
  117. Voice of Music Reel-Reel schematic needed
  118. Old radio tubes
  119. Alpha Pots
  120. Bleeders values and ratings
  121. Tube audio circuit analysis
  122. Audio Research LS15 circuit and description
  123. OPT Trafo
  124. OPT test data?
  125. looking for the top 6080 amp schematics
  126. vu meter
  127. Walkthrough: Pioneer SM-83 Tube Amp Restoration
  128. First Amp Build....!
  129. Will This work?
  130. Simple SE hookup wiring
  131. building a lit up tube display
  132. Push-Pull 6CL5's
  133. 2A3 power adjustments by channel
  134. Dead 12ax7 gain stage - Help...
  135. Best 300B amp schematics
  136. Stuck on Standby
  137. Newbee wants to learn about tube amps, etc...
  138. Recent Ad on Craig's List
  139. Pitfalls to warmup delay in DC coupled multiple railed amps?
  140. jan 6832 sub miniature tube
  141. Anti-Triode SEPP, how to do best?
  142. Some Help with Feedback Please!
  143. Cary 300SEI, likely capacitor failure
  144. Ballast Tube Current Source
  145. Ray Lumley m100 schematic needed
  146. Feedback question
  147. CMRR from parallel heaters?
  148. bevois valley clone from eico hf-12 iron..
  149. 27/37/56/76 plate dissipation
  150. Bell 2420 Amplifier Schematic Needed...
  151. How It Works Video
  152. Have I got this right?
  153. any simple circuits I can add to a dac?
  154. neg feed back into v/slope stereo 2 pre-amp
  155. Using 12AX7 as input with feedback
  156. My first power supply
  157. Unknown tube similar to px4
  158. Anyone know of some ridiculously powerful triodes for class A useage?
  159. Bias Voltage
  160. Looking for tubes in Germany
  161. Substituting GU50 tubes for KT88
  162. Parts mined from an AKAI 1800L, what to do?
  163. Has anyone built this amp??????
  164. Another TubeLab SimpleSE Build
  165. Output transformers bandwidth/frequency range
  166. Which power supply would you use?
  167. Mullard Articles
  168. SimpleSE - motor run cap specs
  169. Can I reverse leads on an OT?
  170. 9 pin version of a 6SJ7?
  171. 6550 stock ?
  172. Fisher Tube Tuner Restoration Walkthrough
  173. Futterman H-3
  174. simple 6080/6as7 ppp/circlotron project
  175. My unbalanced preamp problem
  176. Gu50
  177. Any Simple CX310 SE schematics around?
  178. Two EI Power Transformers Orientation?
  179. Question on Hybrid Bridge using 5AR4
  180. Recommend a project for a n00b
  181. Help! el34 8pin to 7pin conversion
  182. Converting Yarland FV-34AIII to Triode and Zero NF
  183. 5U4GB PS question
  184. 6X8 Pentode/Triode Musings
  185. DDD mfg co High Voltage power supply?
  186. Mistake on OPT connections : have I damaged something ?
  187. Looking for Jim Morrison Siren Song preamp schematic
  188. cap question....
  189. Ming Da MC368-B90
  190. single tube to drive 300ohm headphones
  191. Negative Feedback?
  192. Capacitor voltage ratings
  193. Possible to convert an oscilloscope into a tube amp?
  194. "Junkbox" 2A5 SE
  195. Power supply testing
  196. Tubeamp power supply - LC question
  197. tube amp coupling cap - audiospace
  198. Radford pentode-triode LTP splitter
  199. Tube bias testers, your opinions, please.
  200. Just saw this and thought I'd pass it along. . .
  201. 6KG6-EL509-EL519 Schematics wanted
  202. Difference between SE output transformer and push-pull output transformers
  203. Sourcing OPTs in Australia
  204. Is there a LOCTAL equiv to a 6V6?
  205. 10m45s LTspice model
  206. What circuit and tube to be used
  207. experimental 6L6G / 6BG6G amp design brainstorm
  208. 29GK6 heater current?
  209. Bench PS: stacking DC supplies
  210. Mr Liung schematics
  211. Want to build tube amp
  212. Back to back transformers.
  213. Using Battery for 300v B+ ?
  214. Anyone recognice this RIAA?
  215. Power cord replacement
  216. Negative LTP CCS supply
  217. c-j pre amp blowing tubes?
  218. first amp build
  219. Tube Mic Preamp - which Edcor transformer?
  220. Scaling the SLCF for other voltage - help
  221. Question about Allied & Hammond Power Transformer Ratings
  222. Education
  223. Tubelab SE with a 6BX7 to drive 845s
  224. Bias Ground
  225. Suggestions for RIAA preamp?
  226. External Test Points
  227. b2spice model request
  228. 12aY 7 preamp out
  229. 3B7 Loctal DHT
  230. Aikido All in One line stage amp PCB
  231. SS power supply.
  232. 6AU6 pentodes
  233. Parafeed with NP electrolytic?
  234. Charlie K - RIP
  235. Need some advise with a hum problem
  236. What resistor should I use?
  237. IN18 nixies
  238. Tubelab SE build and power supply questions.
  239. Quality of S5's K-12G in proposed system
  240. Transformer volume control questions.
  241. Power transformer star ground
  242. Shielding and chassis
  243. Side project - d3a and 6c41c
  244. Cathode-heater leakage
  245. Bell 2122 volume drop off
  246. -500V Maida regulator inquiry
  247. 7591 is glowing RED
  248. Hum problem
  249. Need PS schematic for Musical Machine
  250. Polystyrene capacitor as coupling in output tube stages

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