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  1. switch snubber for Aikido
  2. Pioneer Tube Schematics
  3. Question about "bloaty" bass with SET and KT88's
  4. Ultron 6v6GT
  5. low power OTLs
  6. 6H30 equivalents
  7. What Would You Do?
  8. k-502/k-12m vs. Model 1 pcl82
  9. Shunting Pot
  10. Suggested replacements for Chinese tubes
  11. What to do with these.....
  12. ECL82 PP "reference" amp
  13. Heater TX proximity
  14. Quick question on the PP-C1 amp
  15. SET "interstage coupler" for First Watt F4
  16. 811A amp Class A2
  17. TVC before Input Transformer?
  18. Point-to-Point, Pointers
  19. Triode recommendation
  20. Schmitt & CCS
  21. Simple DC Heater Supply
  22. Output transformers ? sound quality ?
  23. KT88 Minimum Mounting Distance
  24. LED bias indicator
  25. Standby Switch
  26. chinese tube amp
  27. Broskie OTL
  28. Connecting a single plate to multiple screens?
  29. voltage divider+Aikido
  30. Wiring PSU and Aikido PCB
  31. Mission 300b parallel single ended
  32. learning design but need help
  33. tutorial software
  34. Fisher 500C troubleshooting
  35. triode pentodes
  36. Deriving Secondary Voltages
  37. Here's the W-5M schematics . . .
  38. Question for Heathkit W-5M owners
  39. Classic 16.0
  40. 100 Ohm loudspeaker
  41. Are Srpp's Any Good (please Help)
  42. Blasphemy, I'm sure
  43. Decware ZSLA buffer -- worth cloning?
  44. Pse El84
  45. 6S19P Push-Pull Amplifier
  46. Class B Triodes
  47. Need a serious PP driver stage
  48. laptop->tubes?
  49. cathode follower -- damping factor (HELP please)
  50. Interstage X-former identification
  51. Multi-turn pot?
  52. 6L6G and 6L6GB differences?
  53. 6AK6 low power tube amp finished
  54. 7 pin X
  55. Replacing KT88 with KT90 - Beginner's questions
  56. way to estimate choke current rating?
  57. attn: Montreal, QC, Canada, OPAMPS!
  58. Hiss but no hum...
  59. Cap size for Aikido heater PS?
  60. Heathkit W-5M
  61. NTK " Teds tube mic"
  62. Making a Bias Voltage from B+ tap?
  63. Reg. Heater Circuit
  64. 6AG7 UL Curves
  65. Best SE output transformer for 300b - shootout
  66. Single ended amp from class A push-pull
  67. Yaqin MC-100b schematic diagram
  68. 12/24 volt tubes
  69. Favorite noval hi gain dual triode?
  70. Aikido users- anyone NOT have turn-off thump?
  71. Optimum value for volume control?
  72. VAL MPS mark II preamp gain reduction
  73. It is asked drawing 100 or 200 watts amplifier
  74. Mystery ST-70 Driver Board
  75. First Timer needs help
  76. Help. Bogen m60a
  77. grid-grounded preamp sound
  78. Rectifier switching / choke ringing noise
  79. Single Ended Amp Design -- Help Needed
  80. tube current
  81. Needed : ECF83, can anyone help ??
  82. Problem with a solid state CCS
  83. Looking for low-ish rp single triode
  84. Cleaning beverage out of inside tube amp
  85. Aikido problems!!!
  86. Another Power Supply Question
  87. 2a3 output transformers....
  88. yet another 6em7 amp
  89. zenith amp
  90. 6AG7 Amplifier
  91. Valve Power Supplies?
  92. tube tracer article
  93. PCB design techniques for Tube Amps
  94. Adjectives for tube sound!
  95. Question about Amperex tubes and a preamp
  96. I want to build a preamp for my dad.. thoughts?
  97. Constant Current DC Heater Supply
  98. Which valves for MF CD-T
  99. 6C33C-EB / 6C33C-EV extended life ?
  100. Yamamoto A-08S RCA 45 tube amplifier original schematic
  101. Audiovalve RKV schematic (hybrid headphones amp)
  102. Music Angel EL34 XDSE
  103. Dynaco PAS Preamp Tone Controls
  104. build 805 or 845 se for ~$1000
  105. Built a quick 26 pre yesterday..nice so far,,
  106. An UL preamp idea.
  107. 6BX7 PSpice Model?
  108. using 24G and 3B28 in an od ball amp.......
  109. Tube Line Buffer
  110. Please help me build an amp for my father
  111. Why is my phono amp fatiguing?
  112. Heater current drawn by 8416
  113. want dead counterpoint SA100 SA-100 in good cosmetics
  114. Cathode Followers and Clipping
  115. transformer secondary connections
  116. imp amp
  117. Information 6DJ8
  118. Smoothing Cap = Noise Source?
  119. 6S19P budget SE.
  120. My 2 new latest Dynaco ST-70's
  121. help with KT88 / mikaels SE amp
  122. adding LEDs to amp head
  123. What Is Line Level????
  124. chokes, caps, and long distance relationships
  125. First foray into tubes!!
  126. Simple Hi-end 845 amplifier
  127. increased choke inductance - recommended?
  128. HELP PLEASE - with preamp design
  129. Alternative to James OPTs
  130. DIY preamp tube: Audio Research Reference 3???
  131. Crowhurst's Twin Coupled Amplifier
  132. 6lw6 tv sweep tube bias?
  133. 24V aikido build!
  134. magnavox tube radio
  135. New S5 L series kits
  136. Anyone has experience with Stranwood
  137. 6n6p amp
  138. DC Darling Amp Buzzing on both channels.
  139. 6SL7 EL34 300B amp
  140. I just installed Yeos (DIY Paradise) DC Blocker
  141. Measuring Cathode Current
  142. Need the Ogirin Circuit of Bruce Berman
  143. Input Choke Too Small
  144. Would a line stage/preamp be beneficial? NEWBIE question
  145. 6p45c
  146. fanon pa amp schematic
  147. line stage confusion
  148. Hammond Transformer Secondary Connections
  149. Klimo Merlin LS Tube Power Supply
  150. OPT Design Assistante (EL84)
  151. Hum - can't find an answer by searching the forum
  152. Please critique my plans for a WE91 clone.
  153. Emission Labs 300B Mesh plate
  154. DRD Power Supply
  155. Octal Champ works - pls check design
  156. telefunken EL 34 audio tube
  157. Bias instability in Heathkit W-5M amp
  158. EL-34 instability in EICO HF-35 amp
  159. Matching Impedances
  160. Open-Source Audio Input Switch
  161. Phono pre amp RF problem
  162. Best CHEAP + best BEST current production EL34?
  163. New toy
  164. EL84 SEP schematic. Some questions.
  165. Referencing DC heaters to cathode
  166. Need advice on Val Audio amp with EL-34 Tubes
  167. Please help a newbie with PSU current requirement for Aikido linestage
  168. Loudspeaker noise from 300B
  169. Schematic for GU-50, EL34, 6J32P ???
  170. alternative for heater / B+ references
  171. need a little help from some tube Gurus!!!
  172. EF86 + SPICE = no noise contribution?
  173. 6n1 tube = 6n1p
  174. One channel softer than the other, humming and buzzing
  175. Parallel Output Transformers
  176. Distortion from heater sag?
  177. Testing 5842 / 417a
  178. RH ECL86 Amp: Dave?
  179. High gain pentodes
  180. Tube Matching and Push-Pull
  181. Question on Input Connections
  182. s5electronics tube amp kit damping factor
  183. 6L6s and cabinet selections HELP!!!!
  184. source of nickel + silicon steel laminations
  185. Explanation for this problem?
  186. turn off thump
  187. Pop from amp when turning off
  188. Valve noobie asks for help / advice
  189. Polypropylene vs electrolytic in Power supply
  190. 6S4P vs 5842
  191. Which 2A3 ?
  192. New design: 12V push-pull tube amplifier
  193. hybrid power supply: diode bridge into diode tube
  194. heater reference to B+ and buzzing trafo
  195. Hum cancelling scheme?
  196. Run a transformer backwards?
  197. FIVRE RRCF info needed
  198. Siemens Valvo ED-8000
  199. My last Zamir Aleph
  200. Questions about first tube PSU!
  201. Looking for site
  202. Heater voltage mismatch
  203. Contacting Pete Millet for 813 PSU?
  204. Suggestions for first tube project?
  205. Just Saying Howdy
  206. Wiring a tube rectifier PSU
  207. Looking for a small yet powerful pentode / dual triode?
  208. Earth Bus Wire - Where can I get it?
  209. Tube Amp Startup
  210. 45 amplifier
  211. Noob saying Hi...
  212. Maida regulator
  213. Just finished first amp
  214. 6080 / 6AS7G power amplifier
  215. Schematics
  216. General questions before finishing up ST-35 clone
  217. Will a 12AX7 sub. for 12DW7/7247?
  218. Deutsche Wurlitzer Lyric Jukebox?
  219. Made in China buyer beware...
  220. Variac to power-up Beveridge OTLs?
  221. Any ideas on how old this is?
  222. Philips Tube radio
  223. Improve Avel toroid in OTL amp
  224. tube pre amp mods in queensland, australia
  225. 6SL7GT pre-amp
  226. Aikido circuit question
  227. question
  228. Edcor OPT's w/ SimpleSE
  229. Please check this PSU
  230. met. MKP in oil capacitors for PSU?
  231. EH EL34's at +600V?
  232. The Infamous Kay 703C! - Help finding an output transformer?
  233. MOT's as output transformers?
  234. Grain oriented silicon steel core data needed
  235. PSUD II help
  236. Tube curves
  237. S-5 electronics amp kits
  238. up-to-date El Cheapo schematic
  239. unknown output trannie
  240. Help needed with KT88 Amp design
  241. Bogen MX60a
  242. AIKIDO - Low-volage with buffer version
  243. 6N6P cascode calculation
  244. 866a Min operating voltages
  245. new 6V6 amp
  246. Tube-based CCS- 0.2uF cap OK?
  247. DHT filament PSU: What would you do?
  248. PSU problem
  249. 811A se amp using a solid state driver
  250. ECC83 - Long Plate vs Short Plate

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