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  1. Help with 6SN7 w/ CCS
  2. Fisher X-101-D
  3. best tube (not amp)
  4. Simple SE Cap and layout questions???
  5. Simple SE - one channel intermittent problem
  6. ML4/ML6 British triode
  7. transformer rubbish
  8. Identifying output transformer leads
  9. Grounding Aikido and F4
  10. Determining ratings for unknown Power Transformers
  11. Tube heaven - or tube hell?
  12. Fender "Evil Twin" Hi/Low output = same level
  13. Sub amp/speaker to compliment S5 electronics K 12 G tube amp
  14. Troubleshooting hum in 12b4 preamp.. finally almost done!!
  15. SE cathode bias question
  16. k-12G / K-12M with 4 Ohm speakers
  17. About united electron tube
  18. 6c33c-b & 6c33c-v
  19. would like a substitute for Sowter 3575-C
  20. My first tube project WIP
  21. Tube rectifiede +- supply...
  22. the buzzing from amplifiers
  23. MC prepre with submini tubes
  24. 12AU7 Preamp build
  25. Bias/ Plate dissipation question
  26. Has anyone screen driven an EL84?
  27. tube pre amp for phone stage
  28. 6080 se cathode follower
  29. Amplifier suggestions for EPA OPT please
  30. Which tube? How much power can it produce?
  31. Graaf GM20 mods - help!
  32. xpp amplifier question
  33. 520v in PP UL...?
  34. New ST-70 blowing 3 amp slow blow fuse
  35. Was There a Heathkit W-1M or WM?
  36. 8ohm speakers 4ohm tap
  37. Upgrading the Conrad Johnson Premier Fourteen preamp
  38. Noob's first build !!!!
  39. 6sf5gt ??
  40. Measuring technics practical, the allaround reference method?
  41. 2A3 or KT88 ?
  42. What to build with these tubes?
  43. line output transformer help
  44. 6L6GC Options and Flavors
  45. Chinese Buffer Amp, Useful?
  46. 6C33C SE Amp - Ideas on refinement?
  47. 6BM8 Equivalent
  48. Newbie wants to rebuild a Stromberg Carlson ASR-433
  49. RH84 questions
  50. VTL Manley 807 push pull ultra linear
  51. Seeking Pentode-Triode with a 12AX7 half...
  52. Modern tube amplifier designs?
  53. 6n6p transformer output impedance
  54. 814 triode curves
  55. Bias Question
  56. Building a variac
  57. Is my 300B tube dead?
  58. One channel quiet - any bright ideas?
  59. Saw them coming (stupid prices on ebay)
  60. EL36/6CM5 pp design critique
  61. Driving Raven R2 with tubes
  62. Does Anyone Know What This Is?
  63. Need help with tubes problem...
  64. 6V6GT push pull NFB resistor value
  65. Power cord for single ended triode
  66. Virtual chokes
  67. 12AU7 based preamp hums when output cable is touched!
  68. Possible Test equipment find.
  69. 6ak5-45
  70. Using coax for signal wiring?
  71. Chassis Plate Finish
  72. Schade84
  73. Fisher 800c selenium rectifier pictures
  74. Bass amp from spare parts
  75. Looking for tips on operating points for tubes in anode follower ...
  76. Transformer in the cathodes ??
  77. Fisher 800c static,crackle
  78. 19J6 replacement
  79. Newbie tube buffer kit
  80. Simple se parts, all needed?
  81. Any recommendations for tube for vari-mu compressor?
  82. AMC CVT 3030 Bias Procedure
  83. Anyone used a edcor cxpp100-ms-5k OT
  84. Noisy gain boost
  85. Troubleshooting hum issues with batteries?
  86. Rectifying Heater Supply
  87. tube heater over voltage!please help...
  88. rca 829b bias ? Audioromy 828
  89. 10k winding, 100k pot
  90. What is the definition of a 'good tube'?
  91. 3-stage DC-coupled Ampl
  92. 1946 Philco Tube Receiver
  93. A New Source for James Transformers
  94. Edcor Site Down? Gone? anyone know anything?
  95. Please suggest practical DIY uses for these BIG oil caps
  96. How to calculate DRD amps..
  97. PL-519 Tube - Tell me more please...
  98. Need ideas for amp with 2A3, One Electron UBT-3
  99. Favourites discrete brand for tube amp
  100. Pharmicia EPS500/400 Power supply - tube use
  101. Black Art Audio
  102. 12AX7/12BH7 Hammond Tube Preamp Project
  103. Dampen transformer endbells?
  104. Do I have DC on my AC line?
  105. GM-70 cathode feed SE amplifier
  106. Rogers cadet mk 2 newbie project experience required
  107. Mcintosh amps transformer rewinding, help needed please!
  108. Using an output tranny from a stereo for a single-ended amplifier ?
  109. 6336A Single Ended.
  110. UA 175 Urei 175
  111. Morgan Jones 5842 RIAA
  112. Question about current ratings of Hammond 300 series power transformers.
  113. Cathode Windings
  114. Phono stage for 12B4 amp [from previous thread]
  115. Looking for schematic of 26 WOT Preamp
  116. Transformer Lam Questions
  117. Schottky diode bias
  118. ACROSOUND direct-couple EL84 amplifier question
  119. RH807 CCS loaded
  120. Audio Note Kit 1 PSU question
  121. B&K 500 Tube Tester Calibration
  122. New kt88's or 6550
  123. Bias Supply resistors
  124. Incredible source for used transformers and parts!
  125. Reclaimed Hammond H100 PSU's
  126. Arc Vt-60 Cloned :-)
  127. First Time Pre Amp Build
  128. Tubelab SE 300B low level hum, help
  129. 845 - Progress so far
  130. Nube challange12AX7 to drive 6C4
  131. 7th harmonic distortion from PP pentodes depends on bias?
  132. West Output Transformers?
  133. Help me design my DAC/Line Preamp.
  134. Hybrid preamp tube problemHi,
  135. sweept tubes for simple Se recommendation?
  136. Building RH84 SE tube amp.
  137. Question - THD Measrement/Spectrum Analyzis
  138. What to do with TMC tube radio gear?
  139. Easy & Safe & Good sounding gainclone tube buffer
  140. Compactron (31AL10) Head-Scratcher
  141. blackfacing a twin
  142. What cable do you use from input socket to volume pot
  143. problem with 12AE6A buffer
  144. Adding a master volume to a Fender 5C3 Deluxe
  145. Parafeed dc blocking/coupling cap help
  146. Funky Looking 15DQ8s
  147. 12SN7 vs 7N7 bs 6SN7
  148. Correct Pins For EL84 Triode Strap
  149. Dimensions for anode cap sizes?
  150. Mains transformer help needed please
  151. Tone Stack Challenge
  152. Aikido 6SN7 input 5687 output
  153. FRANK"S 6SN7 preamp/linestage
  154. Pentode grid question...
  155. Channel Switching
  156. Hybrid fullwave rectifier
  157. 300B stereo amp project help
  158. Another Bogen CHB 100 Conversion
  159. EdcorEurope
  160. Can AC wires induce hum in output transformers?
  161. Would you use a 4 ohm tap with these speakers?
  162. Changing grid leak bias preamp to cathode bias
  163. 304tl se amp
  164. 5687 Srpp
  165. Dumb Question Brain is numb today!
  166. What a Deal!
  167. Electrons on Parade
  168. Roll Chart for 6DJ8/6922/7308 on Philco 9100 help
  169. MeiXing MC-805AA biasing
  170. whats a good diy tube preamp kit
  171. Electrons on Parade
  172. SimpleSE parts list
  173. Matched tubes or not matched
  174. wood gnomes really do live in france
  175. Pathos Classic one
  176. A Uk supplier of valve amp kits
  177. Detached getter?
  178. 12B4 Line Stage Amp
  179. How do I control volume on Dynaco ST-70?
  180. A few questions from a total novice.
  181. RCA preamp modification
  182. Bogen Challenger CH8 conversion...newb needs help!
  183. 6AU6A - Micropowered tube amp
  184. Yet another DHT filament supply
  185. where to find 5998 ?
  186. Mcintosh MA 2275 Schematic Required
  187. Help on sonic frontier sf line 1 preamp
  188. Voice of Music Reel-Reel schematic needed
  189. Old radio tubes
  190. 6KN6-PP-guitar slave
  191. Alpha Pots
  192. Bleeders values and ratings
  193. Tube audio circuit analysis
  194. Audio Research LS15 circuit and description
  195. OPT Trafo
  196. OPT test data?
  197. looking for the top 6080 amp schematics
  198. vu meter
  199. Walkthrough: Pioneer SM-83 Tube Amp Restoration
  200. First Amp Build....!
  201. Will This work?
  202. Simple SE hookup wiring
  203. building a lit up tube display
  204. Push-Pull 6CL5's
  205. 2A3 power adjustments by channel
  206. Dead 12ax7 gain stage - Help...
  207. Best 300B amp schematics
  208. Stuck on Standby
  209. Newbee wants to learn about tube amps, etc...
  210. Recent Ad on Craig's List
  211. Pitfalls to warmup delay in DC coupled multiple railed amps?
  212. jan 6832 sub miniature tube
  213. Anti-Triode SEPP, how to do best?
  214. Some Help with Feedback Please!
  215. Cary 300SEI, likely capacitor failure
  216. Ballast Tube Current Source
  217. Ray Lumley m100 schematic needed
  218. Feedback question
  219. CMRR from parallel heaters?
  220. bevois valley clone from eico hf-12 iron..
  221. 27/37/56/76 plate dissipation
  222. Bell 2420 Amplifier Schematic Needed...
  223. How It Works Video
  224. Quad II build for guitar
  225. Have I got this right?
  226. any simple circuits I can add to a dac?
  227. neg feed back into v/slope stereo 2 pre-amp
  228. Using 12AX7 as input with feedback
  229. My first power supply
  230. Unknown tube similar to px4
  231. Anyone know of some ridiculously powerful triodes for class A useage?
  232. Bias Voltage
  233. Looking for tubes in Germany
  234. Substituting GU50 tubes for KT88
  235. Parts mined from an AKAI 1800L, what to do?
  236. Has anyone built this amp??????
  237. Another TubeLab SimpleSE Build
  238. Output transformers bandwidth/frequency range
  239. 6g6 preamp B+ at 400+????
  240. Which power supply would you use?
  241. Mullard Articles
  242. SimpleSE - motor run cap specs
  243. Can I reverse leads on an OT?
  244. 9 pin version of a 6SJ7?
  245. 6550 stock ?
  246. Fisher Tube Tuner Restoration Walkthrough
  247. Futterman H-3
  248. simple 6080/6as7 ppp/circlotron project
  249. My unbalanced preamp problem
  250. Gu50

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