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  1. Please suggest practical DIY uses for these BIG oil caps
  2. How to calculate DRD amps..
  3. PL-519 Tube - Tell me more please...
  4. Need ideas for amp with 2A3, One Electron UBT-3
  5. Favourites discrete brand for tube amp
  6. Pharmicia EPS500/400 Power supply - tube use
  7. Black Art Audio
  8. 12AX7/12BH7 Hammond Tube Preamp Project
  9. Dampen transformer endbells?
  10. Do I have DC on my AC line?
  11. GM-70 cathode feed SE amplifier
  12. Rogers cadet mk 2 newbie project experience required
  13. Mcintosh amps transformer rewinding, help needed please!
  14. Using an output tranny from a stereo for a single-ended amplifier ?
  15. 6336A Single Ended.
  16. UA 175 Urei 175
  17. Morgan Jones 5842 RIAA
  18. Question about current ratings of Hammond 300 series power transformers.
  19. Cathode Windings
  20. Phono stage for 12B4 amp [from previous thread]
  21. Looking for schematic of 26 WOT Preamp
  22. Transformer Lam Questions
  23. Schottky diode bias
  24. ACROSOUND direct-couple EL84 amplifier question
  25. RH807 CCS loaded
  26. Audio Note Kit 1 PSU question
  27. B&K 500 Tube Tester Calibration
  28. New kt88's or 6550
  29. Bias Supply resistors
  30. Incredible source for used transformers and parts!
  31. Reclaimed Hammond H100 PSU's
  32. Arc Vt-60 Cloned :-)
  33. First Time Pre Amp Build
  34. Tubelab SE 300B low level hum, help
  35. 845 - Progress so far
  36. Nube challange12AX7 to drive 6C4
  37. 7th harmonic distortion from PP pentodes depends on bias?
  38. West Output Transformers?
  39. Help me design my DAC/Line Preamp.
  40. Hybrid preamp tube problemHi,
  41. sweept tubes for simple Se recommendation?
  42. Building RH84 SE tube amp.
  43. Question - THD Measrement/Spectrum Analyzis
  44. What to do with TMC tube radio gear?
  45. Easy & Safe & Good sounding gainclone tube buffer
  46. Compactron (31AL10) Head-Scratcher
  47. blackfacing a twin
  48. What cable do you use from input socket to volume pot
  49. problem with 12AE6A buffer
  50. Adding a master volume to a Fender 5C3 Deluxe
  51. Parafeed dc blocking/coupling cap help
  52. Funky Looking 15DQ8s
  53. 12SN7 vs 7N7 bs 6SN7
  54. Correct Pins For EL84 Triode Strap
  55. Dimensions for anode cap sizes?
  56. Mains transformer help needed please
  57. Tone Stack Challenge
  58. Aikido 6SN7 input 5687 output
  59. FRANK"S 6SN7 preamp/linestage
  60. Pentode grid question...
  61. Channel Switching
  62. Hybrid fullwave rectifier
  63. 300B stereo amp project help
  64. Another Bogen CHB 100 Conversion
  65. EdcorEurope
  66. Can AC wires induce hum in output transformers?
  67. Would you use a 4 ohm tap with these speakers?
  68. Changing grid leak bias preamp to cathode bias
  69. 304tl se amp
  70. 5687 Srpp
  71. Dumb Question Brain is numb today!
  72. What a Deal!
  73. Electrons on Parade
  74. Roll Chart for 6DJ8/6922/7308 on Philco 9100 help
  75. MeiXing MC-805AA biasing
  76. whats a good diy tube preamp kit
  77. Electrons on Parade
  78. SimpleSE parts list
  79. Matched tubes or not matched
  80. wood gnomes really do live in france
  81. Pathos Classic one
  82. A Uk supplier of valve amp kits
  83. Detached getter?
  84. 12B4 Line Stage Amp
  85. How do I control volume on Dynaco ST-70?
  86. A few questions from a total novice.
  87. RCA preamp modification
  88. Bogen Challenger CH8 conversion...newb needs help!
  89. 6AU6A - Micropowered tube amp
  90. Yet another DHT filament supply
  91. where to find 5998 ?
  92. Mcintosh MA 2275 Schematic Required
  93. Help on sonic frontier sf line 1 preamp
  94. Voice of Music Reel-Reel schematic needed
  95. Old radio tubes
  96. 6KN6-PP-guitar slave
  97. Alpha Pots
  98. Bleeders values and ratings
  99. Tube audio circuit analysis
  100. Audio Research LS15 circuit and description
  101. OPT Trafo
  102. OPT test data?
  103. looking for the top 6080 amp schematics
  104. vu meter
  105. Walkthrough: Pioneer SM-83 Tube Amp Restoration
  106. First Amp Build....!
  107. Will This work?
  108. Simple SE hookup wiring
  109. building a lit up tube display
  110. Push-Pull 6CL5's
  111. 2A3 power adjustments by channel
  112. Dead 12ax7 gain stage - Help...
  113. Best 300B amp schematics
  114. Stuck on Standby
  115. Newbee wants to learn about tube amps, etc...
  116. Recent Ad on Craig's List
  117. Pitfalls to warmup delay in DC coupled multiple railed amps?
  118. jan 6832 sub miniature tube
  119. Anti-Triode SEPP, how to do best?
  120. Some Help with Feedback Please!
  121. Cary 300SEI, likely capacitor failure
  122. Ballast Tube Current Source
  123. Ray Lumley m100 schematic needed
  124. Feedback question
  125. CMRR from parallel heaters?
  126. bevois valley clone from eico hf-12 iron..
  127. 27/37/56/76 plate dissipation
  128. Bell 2420 Amplifier Schematic Needed...
  129. How It Works Video
  130. Quad II build for guitar
  131. Have I got this right?
  132. any simple circuits I can add to a dac?
  133. neg feed back into v/slope stereo 2 pre-amp
  134. Using 12AX7 as input with feedback
  135. My first power supply
  136. Unknown tube similar to px4
  137. Anyone know of some ridiculously powerful triodes for class A useage?
  138. Bias Voltage
  139. Looking for tubes in Germany
  140. Substituting GU50 tubes for KT88
  141. Parts mined from an AKAI 1800L, what to do?
  142. Has anyone built this amp??????
  143. Another TubeLab SimpleSE Build
  144. Output transformers bandwidth/frequency range
  145. 6g6 preamp B+ at 400+????
  146. Which power supply would you use?
  147. Mullard Articles
  148. SimpleSE - motor run cap specs
  149. Can I reverse leads on an OT?
  150. 9 pin version of a 6SJ7?
  151. 6550 stock ?
  152. Fisher Tube Tuner Restoration Walkthrough
  153. Futterman H-3
  154. simple 6080/6as7 ppp/circlotron project
  155. My unbalanced preamp problem
  156. Gu50
  157. Any Simple CX310 SE schematics around?
  158. Peavey "Super Festival" VTA-400 - upgrading to 400W?
  159. Two EI Power Transformers Orientation?
  160. Question on Hybrid Bridge using 5AR4
  161. Recommend a project for a n00b
  162. Help! el34 8pin to 7pin conversion
  163. Converting Yarland FV-34AIII to Triode and Zero NF
  164. 5U4GB PS question
  165. 6X8 Pentode/Triode Musings
  166. DDD mfg co High Voltage power supply?
  167. Mistake on OPT connections : have I damaged something ?
  168. Looking for Jim Morrison Siren Song preamp schematic
  169. cap question....
  170. Ming Da MC368-B90
  171. single tube to drive 300ohm headphones
  172. Negative Feedback?
  173. Capacitor voltage ratings
  174. Possible to convert an oscilloscope into a tube amp?
  175. "Junkbox" 2A5 SE
  176. Power supply testing
  177. Tubeamp power supply - LC question
  178. tube amp coupling cap - audiospace
  179. Radford pentode-triode LTP splitter
  180. Tube bias testers, your opinions, please.
  181. Just saw this and thought I'd pass it along. . .
  182. 6KG6-EL509-EL519 Schematics wanted
  183. Difference between SE output transformer and push-pull output transformers
  184. Sourcing OPTs in Australia
  185. Is there a LOCTAL equiv to a 6V6?
  186. 10m45s LTspice model
  187. What circuit and tube to be used
  188. experimental 6L6G / 6BG6G amp design brainstorm
  189. 29GK6 heater current?
  190. Bench PS: stacking DC supplies
  191. Mr Liung schematics
  192. Want to build tube amp
  193. Runaway bias on Hot Rod Deville
  194. Back to back transformers.
  195. Using Battery for 300v B+ ?
  196. Anyone recognice this RIAA?
  197. Power cord replacement
  198. Negative LTP CCS supply
  199. c-j pre amp blowing tubes?
  200. first amp build
  201. Tube Mic Preamp - which Edcor transformer?
  202. Scaling the SLCF for other voltage - help
  203. Question about Allied & Hammond Power Transformer Ratings
  204. Education
  205. Tubelab SE with a 6BX7 to drive 845s
  206. Bias Ground
  207. Suggestions for RIAA preamp?
  208. External Test Points
  209. b2spice model request
  210. 12aY 7 preamp out
  211. 3B7 Loctal DHT
  212. Aikido All in One line stage amp PCB
  213. SS power supply.
  214. 6AU6 pentodes
  215. Parafeed with NP electrolytic?
  216. Charlie K - RIP
  217. Need some advise with a hum problem
  218. What resistor should I use?
  219. IN18 nixies
  220. Tubelab SE build and power supply questions.
  221. Quality of S5's K-12G in proposed system
  222. Gibson EH 150 restoration
  223. Transformer volume control questions.
  224. Power transformer star ground
  225. Shielding and chassis
  226. Side project - d3a and 6c41c
  227. Cathode-heater leakage
  228. Bell 2122 volume drop off
  229. -500V Maida regulator inquiry
  230. 7591 is glowing RED
  231. Hum problem
  232. Need PS schematic for Musical Machine
  233. Polystyrene capacitor as coupling in output tube stages
  234. Help needed with 10M45S integration .
  235. Ultrasonic Cleaning??????
  236. The daunting world of tubes (where to start)
  237. help 124.3 vac
  238. Bat VK3i buzzing noise
  239. Audioromy FU13 (813) diagram and mods
  240. any complete schematic for 6ak5?
  241. Weird fuzz from Aikido Pre, HELP!
  242. Question about tube amplifier.
  243. 811a rating question
  244. Anode chokes DIY?
  245. EI laminations in Europe
  246. Needed: transformer core materials cobalt nickel
  247. Anybody from Italy - please help
  248. Bogen AP35 amp problem
  249. Question about a VR screen supply
  250. DIY Amp Contest in Japan

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