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  1. beefy choke -- please help
  2. 5W EL84 drive EL84 SE
  3. Calculate minimum load current of choke?
  4. Best Sounding Output Tube
  5. Best internal wiring for power
  6. Preamp with DHT
  7. bogen m60 and webster pa
  8. 6p13p schematic
  9. Buzzing Choke - Any Ideas?
  10. Floating A2 Bias
  11. Any SE project for 91db speaker?
  12. Hammond Mains Transformer - Center Tap Split
  13. TINA-TI Tube Simulation
  14. Fixed Bias v Ultrapath
  15. Traynor YBA200 6550 help!
  16. cathode follower asymmetric slew
  17. 6SN7 with transformer coupling
  18. 6AQ7 - why so cheap???
  19. Grommes 260
  20. heathkit aa-81 mono blocks
  21. feedbackless interstage p-p kt88 amp
  22. Using Horizontal Output Tubes - Power Supply
  23. 6e5c
  24. Mr Liang 845 Sound :(
  25. Test pentode grids without a tester
  26. Info required : GAMMA VALVE AMPS..
  27. 6SN7 plate voltage, current and lifespan
  28. Clarification of floating heater supply
  29. Changed a cap and lost some bass...?
  30. 6P9/6AG7 Triode Amplifier
  31. Chokes Designed for Choke Input PSU's
  32. Power trafo...
  33. Any value to modding a UL OPT to CFBK?
  34. One guitar, multiple amps at once?
  35. Rogers Cadet III Advice & Opinions Needed
  36. DCG5/5000GS Valve
  37. Morgan Jones on Google Books
  38. CCS for 12B4 linestage
  39. 6j9p
  40. philips hf 303 amp
  41. DIY tube testing Curve Tracer
  42. Amplifier impedance and pot selection
  43. Tube rise time and slew rate
  44. What's your favourite sounding DIY/kit tube amp?
  45. How to convert a 220v Chinese amp to 110v for US use
  46. look for schematic of 12v preamp ???
  47. Bevois Valley and parallel push pull
  48. Amp Wiring Color Code
  49. Xindak 805 monos $4700/pr USD
  50. A new DHT power supply idea
  51. 852 tube
  52. Tube Matcher help needed, ala PassDIY
  53. What's the difference?
  54. Cathode Feedback How-To?
  55. Is Thier Away To Clear Up Distortion???
  56. How much feedback for PP penthode?
  57. To regulate or not to regulate
  58. Anyone used interstage transformers for a 300B?
  59. Hissing Sound in KT88 Amp
  60. Go black or go around?
  61. Triodes that would like a 10K a-a OPT?
  62. Yaqin mc10L
  63. Cycline3 on the 12AU7
  64. How Would You Change This Soildstate Circuit To Tube
  65. Using existing transformer winding to provide and additional supply
  66. Magnetic shields for transformers
  67. First DIY job: Dual Tube Recording Preamp
  68. James Transformers
  69. Audiopax Model 7
  70. Isis 3030 Monoblocks
  71. From diode to tube rectification in my Aikido
  72. Williamson KT77 Question
  73. mu followers --- current --- please help
  74. need tube schematic
  75. switch snubber for Aikido
  76. Pioneer Tube Schematics
  77. Question about "bloaty" bass with SET and KT88's
  78. Ultron 6v6GT
  79. low power OTLs
  80. 6H30 equivalents
  81. What Would You Do?
  82. k-502/k-12m vs. Model 1 pcl82
  83. Shunting Pot
  84. Suggested replacements for Chinese tubes
  85. What to do with these.....
  86. ECL82 PP "reference" amp
  87. Heater TX proximity
  88. Quick question on the PP-C1 amp
  89. SET "interstage coupler" for First Watt F4
  90. 811A amp Class A2
  91. TVC before Input Transformer?
  92. Point-to-Point, Pointers
  93. Triode recommendation
  94. Schmitt & CCS
  95. Simple DC Heater Supply
  96. Output transformers ? sound quality ?
  97. KT88 Minimum Mounting Distance
  98. LED bias indicator
  99. Standby Switch
  100. chinese tube amp
  101. Broskie OTL
  102. Connecting a single plate to multiple screens?
  103. voltage divider+Aikido
  104. Wiring PSU and Aikido PCB
  105. Mission 300b parallel single ended
  106. Vietnam tube amplifier festival
  107. learning design but need help
  108. tutorial software
  109. Fisher 500C troubleshooting
  110. triode pentodes
  111. Deriving Secondary Voltages
  112. Here's the W-5M schematics . . .
  113. Question for Heathkit W-5M owners
  114. Classic 16.0
  115. 100 Ohm loudspeaker
  116. Are Srpp's Any Good (please Help)
  117. Blasphemy, I'm sure
  118. Decware ZSLA buffer -- worth cloning?
  119. Pse El84
  120. 6S19P Push-Pull Amplifier
  121. Class B Triodes
  122. Need a serious PP driver stage
  123. laptop->tubes?
  124. cathode follower -- damping factor (HELP please)
  125. Interstage X-former identification
  126. Multi-turn pot?
  127. 6L6G and 6L6GB differences?
  128. 6AK6 low power tube amp finished
  129. 7 pin X
  130. Replacing KT88 with KT90 - Beginner's questions
  131. way to estimate choke current rating?
  132. attn: Montreal, QC, Canada, OPAMPS!
  133. Hiss but no hum...
  134. Cap size for Aikido heater PS?
  135. Heathkit W-5M
  136. NTK " Teds tube mic"
  137. Making a Bias Voltage from B+ tape?
  138. Reg. Heater Circuit
  139. 6AG7 UL Curves
  140. Best SE output transformer for 300b - shootout
  141. Single ended amp from class A push-pull
  142. Yaqin MC-100b schematic diagram
  143. 12/24 volt tubes
  144. Favorite noval hi gain dual triode?
  145. AVO MKIII Tester Operation?
  146. Aikido users- anyone NOT have turn-off thump?
  147. Optimum value for volume control?
  148. VAL MPS mark II preamp gain reduction
  149. It is asked drawing 100 or 200 watts amplifier
  150. Mystery ST-70 Driver Board
  151. First Timer needs help
  152. Help. Bogen m60a
  153. grid-grounded preamp sound
  154. Rectifier switching / choke ringing noise
  155. Single Ended Amp Design -- Help Needed
  156. tube current
  157. Needed : ECF83, can anyone help ??
  158. Problem with a solid state CCS
  159. Looking for low-ish rp single triode
  160. Cleaning beverage out of inside tube amp
  161. Aikido problems!!!
  162. Another Power Supply Question
  163. 2a3 output transformers....
  164. yet another 6em7 amp
  165. zenith amp
  166. 6AG7 Amplifier
  167. Valve Power Supplies?
  168. tube tracer article
  169. PCB design techniques for Tube Amps
  170. Adjectives for tube sound!
  171. Question about Amperex tubes and a preamp
  172. I want to build a preamp for my dad.. thoughts?
  173. Constant Current DC Heater Supply
  174. Weekend Fun with Tubes - Guitar Preamp
  175. Which valves for MF CD-T
  176. 6C33C-EB / 6C33C-EV extended life ?
  177. Yamamoto A-08S RCA 45 tube amplifier original schematic
  178. Audiovalve RKV schematic (hybrid headphones amp)
  179. Music Angel EL34 XDSE
  180. Dynaco PAS Preamp Tone Controls
  181. build 805 or 845 se for ~$1000
  182. Built a quick 26 pre yesterday..nice so far,,
  183. An UL preamp idea.
  184. 6BX7 PSpice Model?
  185. using 24G and 3B28 in an od ball amp.......
  186. Tube Line Buffer
  187. Please help me build an amp for my father
  188. Why is my phono amp fatiguing?
  189. Heater current drawn by 8416
  190. want dead counterpoint SA100 SA-100 in good cosmetics
  191. Cathode Followers and Clipping
  192. transformer secondary connections
  193. imp amp
  194. Information 6DJ8
  195. Smoothing Cap = Noise Source?
  196. peavey ultra 60 footswitch wiring diagram
  197. 6S19P budget SE.
  198. adding reverb to a PA head
  199. My 2 new latest Dynaco ST-70's
  200. help with KT88 / mikaels SE amp
  201. twin reverb 100 watt
  202. adding LEDs to amp head
  203. What Is Line Level????
  204. chokes, caps, and long distance relationships
  205. First foray into tubes!!
  206. Simple Hi-end 845 amplifier
  207. increased choke inductance - recommended?
  208. HELP PLEASE - with preamp design
  209. Alternative to James OPTs
  210. DIY preamp tube: Audio Research Reference 3???
  211. Crowhurst's Twin Coupled Amplifier
  212. 6lw6 tv sweep tube bias?
  213. 24V aikido build!
  214. magnavox tube radio
  215. New S5 L series kits
  216. Anyone has experience with Stranwood
  217. 6n6p amp
  218. DC Darling Amp Buzzing on both channels.
  219. 6SL7 EL34 300B amp
  220. I just installed Yeos (DIY Paradise) DC Blocker
  221. Measuring Cathode Current
  222. Need the Ogirin Circuit of Bruce Berman
  223. Input Choke Too Small
  224. Poodle gives clues to capacitor construction
  225. Would a line stage/preamp be beneficial? NEWBIE question
  226. 6p45c
  227. fanon pa amp schematic
  228. line stage confusion
  229. Hammond Transformer Secondary Connections
  230. Klimo Merlin LS Tube Power Supply
  231. OPT Design Assistante (EL84)
  232. Hum - can't find an answer by searching the forum
  233. Please critique my plans for a WE91 clone.
  234. Emission Labs 300B Mesh plate
  235. DRD Power Supply
  236. Octal Champ works - pls check design
  237. telefunken EL 34 audio tube
  238. Bias instability in Heathkit W-5M amp
  239. EL-34 instability in EICO HF-35 amp
  240. Russian paper in oil caps - any good?
  241. Matching Impedances
  242. Open-Source Audio Input Switch
  243. Phono pre amp RF problem
  244. Best CHEAP + best BEST current production EL34?
  245. New toy
  246. EL84 SEP schematic. Some questions.
  247. Referencing DC heaters to cathode
  248. Need advice on Val Audio amp with EL-34 Tubes
  249. Please help a newbie with PSU current requirement for Aikido linestage
  250. Loudspeaker noise from 300B

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