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  1. New Hammonds?
  2. Welborne Terraplane Amp-PS10 HV Regulated PS Problems
  3. Voltage Gain Confusion!!
  4. is this ok to build???
  5. PSUD2 help needed
  6. It's raining 10M45's!
  7. Grid Leak Bias on small signal pentodes.
  8. Equalizing + & - output voltage?
  9. Help with ECF80 spice model
  10. Would a Williamson sound better with a CCS tail in the driver?
  11. low ac voltage question
  12. Aikido/SMPS/SKA SS
  13. values of ground(?) coupling caps in Aikido
  14. Please explain grid stoppers..
  15. Psud2 Help
  16. Appropriate Iron for 211 Triode SE
  17. does anyone know the resistance of a hammond 300bx transformer
  18. Help with Aikido B+ Bias layout
  19. 12v 6BF7 preamp design tested
  20. power supply PLEASE HELP
  21. power supply PLEASE HELP
  22. power supply PLEASE HELP
  23. tube amp
  24. 6AU8A, and assorted questions
  25. PPP OPT clarification
  26. ECC83/12AX7 Tube test query
  27. 0D3 shunt regulator for single ended duty
  28. where to buy parts (transformers and chokes)
  29. beefy choke -- please help
  30. 5W EL84 drive EL84 SE
  31. Calculate minimum load current of choke?
  32. Best Sounding Output Tube
  33. Best internal wiring for power
  34. Preamp with DHT
  35. bogen m60 and webster pa
  36. 6p13p schematic
  37. Buzzing Choke - Any Ideas?
  38. Floating A2 Bias
  39. Any SE project for 91db speaker?
  40. Hammond Mains Transformer - Center Tap Split
  41. TINA-TI Tube Simulation
  42. Fixed Bias v Ultrapath
  43. Traynor YBA200 6550 help!
  44. cathode follower asymmetric slew
  45. 6SN7 with transformer coupling
  46. 6AQ7 - why so cheap???
  47. Grommes 260
  48. heathkit aa-81 mono blocks
  49. feedbackless interstage p-p kt88 amp
  50. Using Horizontal Output Tubes - Power Supply
  51. 6e5c
  52. Mr Liang 845 Sound :(
  53. Test pentode grids without a tester
  54. Info required : GAMMA VALVE AMPS..
  55. 6SN7 plate voltage, current and lifespan
  56. Clarification of floating heater supply
  57. Changed a cap and lost some bass...?
  58. 6P9/6AG7 Triode Amplifier
  59. Chokes Designed for Choke Input PSU's
  60. Power trafo...
  61. Any value to modding a UL OPT to CFBK?
  62. One guitar, multiple amps at once?
  63. Rogers Cadet III Advice & Opinions Needed
  64. DCG5/5000GS Valve
  65. Morgan Jones on Google Books
  66. CCS for 12B4 linestage
  67. 6j9p
  68. philips hf 303 amp
  69. DIY tube testing Curve Tracer
  70. Amplifier impedance and pot selection
  71. Tube rise time and slew rate
  72. What's your favourite sounding DIY/kit tube amp?
  73. How to convert a 220v Chinese amp to 110v for US use
  74. look for schematic of 12v preamp ???
  75. Bevois Valley and parallel push pull
  76. Amp Wiring Color Code
  77. Xindak 805 monos $4700/pr USD
  78. A new DHT power supply idea
  79. 852 tube
  80. Tube Matcher help needed, ala PassDIY
  81. What's the difference?
  82. Cathode Feedback How-To?
  83. Is Thier Away To Clear Up Distortion???
  84. How much feedback for PP penthode?
  85. To regulate or not to regulate
  86. Anyone used interstage transformers for a 300B?
  87. Hissing Sound in KT88 Amp
  88. Go black or go around?
  89. Triodes that would like a 10K a-a OPT?
  90. Yaqin mc10L
  91. Cycline3 on the 12AU7
  92. How Would You Change This Soildstate Circuit To Tube
  93. Using existing transformer winding to provide and additional supply
  94. Magnetic shields for transformers
  95. First DIY job: Dual Tube Recording Preamp
  96. James Transformers
  97. Audiopax Model 7
  98. Isis 3030 Monoblocks
  99. From diode to tube rectification in my Aikido
  100. Williamson KT77 Question
  101. mu followers --- current --- please help
  102. need tube schematic
  103. switch snubber for Aikido
  104. Pioneer Tube Schematics
  105. Question about "bloaty" bass with SET and KT88's
  106. Ultron 6v6GT
  107. low power OTLs
  108. 6H30 equivalents
  109. What Would You Do?
  110. k-502/k-12m vs. Model 1 pcl82
  111. Shunting Pot
  112. Suggested replacements for Chinese tubes
  113. What to do with these.....
  114. ECL82 PP "reference" amp
  115. Heater TX proximity
  116. Quick question on the PP-C1 amp
  117. SET "interstage coupler" for First Watt F4
  118. 811A amp Class A2
  119. TVC before Input Transformer?
  120. Point-to-Point, Pointers
  121. Triode recommendation
  122. Schmitt & CCS
  123. Simple DC Heater Supply
  124. Output transformers ? sound quality ?
  125. KT88 Minimum Mounting Distance
  126. LED bias indicator
  127. Standby Switch
  128. chinese tube amp
  129. Broskie OTL
  130. Connecting a single plate to multiple screens?
  131. voltage divider+Aikido
  132. Wiring PSU and Aikido PCB
  133. Mission 300b parallel single ended
  134. Vietnam tube amplifier festival
  135. learning design but need help
  136. tutorial software
  137. Fisher 500C troubleshooting
  138. triode pentodes
  139. Deriving Secondary Voltages
  140. Here's the W-5M schematics . . .
  141. Question for Heathkit W-5M owners
  142. Classic 16.0
  143. 100 Ohm loudspeaker
  144. Are Srpp's Any Good (please Help)
  145. Blasphemy, I'm sure
  146. Decware ZSLA buffer -- worth cloning?
  147. Pse El84
  148. 6S19P Push-Pull Amplifier
  149. Class B Triodes
  150. Need a serious PP driver stage
  151. laptop->tubes?
  152. cathode follower -- damping factor (HELP please)
  153. Interstage X-former identification
  154. Multi-turn pot?
  155. 6L6G and 6L6GB differences?
  156. 6AK6 low power tube amp finished
  157. 7 pin X
  158. Replacing KT88 with KT90 - Beginner's questions
  159. way to estimate choke current rating?
  160. attn: Montreal, QC, Canada, OPAMPS!
  161. Hiss but no hum...
  162. Cap size for Aikido heater PS?
  163. Heathkit W-5M
  164. NTK " Teds tube mic"
  165. Making a Bias Voltage from B+ tape?
  166. Reg. Heater Circuit
  167. 6AG7 UL Curves
  168. Best SE output transformer for 300b - shootout
  169. Single ended amp from class A push-pull
  170. Yaqin MC-100b schematic diagram
  171. 12/24 volt tubes
  172. Favorite noval hi gain dual triode?
  173. AVO MKIII Tester Operation?
  174. Aikido users- anyone NOT have turn-off thump?
  175. Optimum value for volume control?
  176. VAL MPS mark II preamp gain reduction
  177. It is asked drawing 100 or 200 watts amplifier
  178. Mystery ST-70 Driver Board
  179. First Timer needs help
  180. Help. Bogen m60a
  181. grid-grounded preamp sound
  182. Rectifier switching / choke ringing noise
  183. Single Ended Amp Design -- Help Needed
  184. tube current
  185. Needed : ECF83, can anyone help ??
  186. Problem with a solid state CCS
  187. Looking for low-ish rp single triode
  188. Cleaning beverage out of inside tube amp
  189. Aikido problems!!!
  190. Another Power Supply Question
  191. 2a3 output transformers....
  192. yet another 6em7 amp
  193. zenith amp
  194. 6AG7 Amplifier
  195. Valve Power Supplies?
  196. tube tracer article
  197. PCB design techniques for Tube Amps
  198. Adjectives for tube sound!
  199. Question about Amperex tubes and a preamp
  200. I want to build a preamp for my dad.. thoughts?
  201. Constant Current DC Heater Supply
  202. Weekend Fun with Tubes - Guitar Preamp
  203. Which valves for MF CD-T
  204. 6C33C-EB / 6C33C-EV extended life ?
  205. Yamamoto A-08S RCA 45 tube amplifier original schematic
  206. Audiovalve RKV schematic (hybrid headphones amp)
  207. Music Angel EL34 XDSE
  208. Dynaco PAS Preamp Tone Controls
  209. build 805 or 845 se for ~$1000
  210. Built a quick 26 pre yesterday..nice so far,,
  211. An UL preamp idea.
  212. 6BX7 PSpice Model?
  213. using 24G and 3B28 in an od ball amp.......
  214. Tube Line Buffer
  215. Please help me build an amp for my father
  216. Why is my phono amp fatiguing?
  217. Heater current drawn by 8416
  218. want dead counterpoint SA100 SA-100 in good cosmetics
  219. Cathode Followers and Clipping
  220. transformer secondary connections
  221. imp amp
  222. Information 6DJ8
  223. Smoothing Cap = Noise Source?
  224. peavey ultra 60 footswitch wiring diagram
  225. 6S19P budget SE.
  226. adding reverb to a PA head
  227. My 2 new latest Dynaco ST-70's
  228. help with KT88 / mikaels SE amp
  229. twin reverb 100 watt
  230. adding LEDs to amp head
  231. What Is Line Level????
  232. chokes, caps, and long distance relationships
  233. First foray into tubes!!
  234. Simple Hi-end 845 amplifier
  235. increased choke inductance - recommended?
  236. HELP PLEASE - with preamp design
  237. Alternative to James OPTs
  238. DIY preamp tube: Audio Research Reference 3???
  239. Crowhurst's Twin Coupled Amplifier
  240. 6lw6 tv sweep tube bias?
  241. 24V aikido build!
  242. magnavox tube radio
  243. New S5 L series kits
  244. Anyone has experience with Stranwood
  245. 6n6p amp
  246. DC Darling Amp Buzzing on both channels.
  247. 6SL7 EL34 300B amp
  248. I just installed Yeos (DIY Paradise) DC Blocker
  249. Measuring Cathode Current
  250. Need the Ogirin Circuit of Bruce Berman

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