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  1. best type cap for preamp PSU
  2. Steve Bench PP loadlines
  3. single Diode power supply?
  4. Spice Error
  5. Anyone have a Welborne Labs amp?
  6. Please help out a Noobie...
  7. wellborne labs
  8. best schematic designer for tubes?
  9. hum in 1 channel
  10. B+ time delay relay
  11. something is wrong with the shunt regulator
  12. Suggestions for a high end tube amp kit
  13. Conrad Johnson PV 7 problem
  14. Math to calc optimal voltage of tube dac to match amp input sensitivity?
  15. Power supply dilemma
  16. Transformer Placement 5E3
  17. Please help: no sound and blown fuse
  18. sparking Output transformer In Webcor 14x240 Amp
  19. Designing my very first tube amp...
  20. Diode bridge for Valve Buffered GC
  21. 6S41S (6C41C) Amplifier
  22. audio research sp11 upgrade help please
  23. The good, the bad, and the ugly OTL amplifiers
  24. Z2b tube rectifier
  25. Sparks inside GZ34
  26. Help with EV4417 6cm5/EL36
  27. Guitar Amps, Overdrive Pedals, and Space Charged Tubes
  28. My Cornet2 Tube Phono Preamp
  29. bright switch to bias circuit?
  30. Regulated AC...thought some of you might be interested
  31. Aikido PSU - integrated or standalone???
  32. Frank Philipse's tube site
  33. World' smallest GM-70 set
  34. Question on output hum on tube amp?
  35. Aikido Preamp
  36. Argh!!
  37. EL84 bias point
  38. Coupling cap rating
  39. Regulated power supply
  40. outstanding book??
  41. when the datasheet says "vertical mounting: up or down", does it mean...
  42. half wave rectifier will not saturate transformer core?
  43. Did I get in over my head too soon?!?
  44. Parallel output tubes
  45. Dropping filament volts/ L-W ramblings
  46. Rogers Cadet III Power problem ?
  47. about bi-cap
  48. HOT Iron ?
  49. how to set current in G Pimm's latest self-biasing CCS circuit?
  50. Low pass active tube crossover
  51. Ecological recycling amplifier (6CU6)
  52. Need ECF80 / 6BL8 tube spice 3f4 model
  53. Capacitor above chassis
  54. PS Help
  55. Bogen-Stein! mx60a mx-60a mo100a mo-100a
  56. Transmitter tubes
  57. Power Supply Construction
  58. what are the advantages of double core output transformers vs EI ?
  59. What is a reasonable amount ripple voltage for a 300B?
  60. "Old Like" sound transformer with a Tube !
  61. I coined the phrase HIGH VIVIDITY, to differentiate our amps from High Fidelity ones
  62. P-P resistance oddity
  63. Tube preamp vs. solid state
  64. 6l6 penthode triode
  65. Rising hum when turntable is plugged into preamp ??
  66. 6SL7 or 6SL7GT for broken Tubalizer
  67. Aikido PCB and AC filaments.
  68. Help with 300b proyect.
  69. 6P14P Amp Scratch Build
  70. 6GH8 - A Little Off?
  71. design and personality
  72. An all DHT push pull amp.
  73. Junk Pile Linestage
  74. need tube rectifier info
  75. Question on voltages
  76. How to change this design from penthode to triode or UL
  77. what glass-ware program?
  78. aikido 12b4 input 6sn7 output???
  79. GZ34 and temperature
  80. schematic search crate bv-60
  81. First Guitar Amp Help
  82. power supply for my single ended amp
  83. transmitter tube amp
  84. resistor and capacitor values for Aikido preamp
  85. need opinion on 2nd hand AF analyzers prices
  86. DH rectifier hookup.
  87. WE 310A vs. Russian 310A in WE91
  88. CRC PSU for preamp
  89. Question on the installation of LL1668 plate choke
  90. max plate voltage rating in tube datasheet
  91. Tube for a shunt voltage regulator
  92. choosing cap values for aikido
  93. Tubes in the Intermediate Stage
  94. c3m + 300b + miller capacitance
  95. How do I bias up a constant current series filament circuit?
  96. The perfect phono preamp.
  97. Got my 6BG6GA's last night
  98. Tubes4HiFi SP-6 preamp
  99. Stupid electrolytic cap question.......
  100. Shuguang 807s?
  101. LX-72A Sanity Check for Noooobie?
  102. Convert EL84 to 6V6? Anyone try this?
  103. PC96
  104. Ultrapath output transformers
  105. Grant RIAA phono with 12AX7/ECC83
  106. Tube VS SS voltage regulators - any advantages?
  107. Ra-a??
  108. Help with my el509 amp almost done but with one problem.
  109. McIntosh chassis help needed
  110. Tube Voltage Regulator Design
  111. DC Tube Amplifiers
  112. Coupling cap voltage rating
  113. Anyone experienced in the 76 tube?
  114. aikido thump
  115. bypassing preamp board in integrated amp
  116. Mallory FP 2x30/500 for Scott LX-72 - NOOB
  117. is it really required to use carbon comp for grid stoppers?
  118. How much trickle current can fixed bias cathode batteries stand?
  119. Who is the administrator?
  120. LM329 as voltage reference in a CCS.
  121. Euridice Preamp with 5842 and LL1660
  122. Trans. alignments
  123. Audio Note M3 Kit modification
  124. Has anyone simulated an "Aikido" amplifier?
  125. Upgrading ST70 PS w/ SS question
  126. 6N1 Chinese tube and others
  127. 12AT7 Linestage design
  128. ECF80 instead of 7199
  129. Modifying a tube tester into a curve tracer (oscilloscope X/Y outputs) ?
  130. 6922 vs 6SN7
  131. Transformer DCR's
  132. ferrite beads v. grid resistor
  133. What went wrong with my amp? Bass driver strange movement.
  134. Toccata Phono Preamp
  135. Drawbacks of Parafeed?
  136. aikido problem
  137. RS253 giant SE monoblock (Chinese)
  138. Plate chokes & Power chokes
  139. 10uF filter cap too small? PSU schematic inside
  140. HOT ROD DELUXE: CRACKLE...POP...what to do?
  141. converting Baldwin organ amp to guitar
  142. best amp for rock n roll
  143. quick question about tube relays
  144. Yeo's Simple EL84 with a twist
  145. ST-70 OPT, A-470 question
  146. meixing 805 tube amp problems
  147. Advice for NOOBie - Dad's Scott LK-72
  148. Peavey Valve King 112
  149. KT66 SE amp, grid current or not?
  150. 269EX in a champ?
  151. How do I achieve more output power?
  152. Driver stage load resistor
  153. More Edcor XSM10K/10K Specs
  154. DC filament
  155. driver stages
  156. Bay Area DIY is Cancelled Because....
  157. Is constant filament current better way to build amps?
  158. Next amp build - Trainwreck - Princeton - Deluxe ???
  159. Quicksilver M135 Output Transformers Color Code?
  160. Dynaco ST70 clone, tubes substitution question
  161. caddocks mk132: has anyone used them for tube projects?
  162. DIY Pro Audio Recording Gear - La2a, Pultec, more.
  163. size of filtering caps SS vs OTL tube
  164. Current rating and tube current draw
  165. NUCLON -- My first hybrid guitar amp
  166. PP splitters again
  167. preamp with output trannies.
  168. Is it the 6SN7 or me?
  169. My Kind of Guitar Tuner
  170. Regulating tube amp power supply - can Iget away with a simpler CLC filtering scheme?
  171. Manufacture date of 6SN7s
  172. simple 12AU7 cathode follower
  173. How's your bench, what's your favorite setup/tool ?
  174. Siemens H42 AM/FM receiver circuit diagram?
  175. 429A load lines
  176. Mu-stage on output
  177. My new project, 2 x KT88 60W amp
  178. Tube Amp Hum
  179. Modding MEIXING MC 3008
  180. crate vc 2110 schematic ???
  181. Will this work for an EL84 push pull?
  182. "Integrated" or "stand alone"
  183. Heater to cathode voltage limits in cascodes???
  184. some Japanese can help me? (OPT trafo winding)
  185. Quicksilver 8417 a class C amp?
  186. Newcomer, where to start?
  187. Benefits of Potted Output Transformers
  188. Transformer question
  189. 6AW6A, Unloaded
  190. Aikido PSU help
  191. Rectifier that doesn't need own filament supply?
  192. Plate to Cathode Cap -- what's this??
  193. Need Help Understanding/Optimising a Schematic
  194. Simple basic question quick
  195. problem on thorens PR15 (strange filaments circuity)
  196. My 1W 5687 SE Direct Coupled Power Amp
  197. VT-25 linestage + step-down trafo
  198. What to do with 803's
  199. Newbie: KT88 amp info needed
  200. 805 tube amp, uProcessor controlled
  201. Class A Tube BJT Hybrid
  202. John Broskie's enhanced T8
  203. Audio Research SP6 E
  204. André Charlin anybody got his Tube Amp
  205. Info needed - Shuguang SG120-C Integrated Amp
  206. Help with 6SN7 preamp
  207. 12b4 vs. aikido linestage
  208. KT88/6550 as Triode
  209. 6AU6WA triode connected as a line amp?
  210. A few basic noobie questions.
  211. Which connector for PSU/chassis B+ supply?
  212. Quad II-Forty schematic ?:
  213. Audio Research Manuals
  214. I was thinking
  215. silicon or tube rectifier?
  216. Is this OK for the Etude Preamp?
  217. gary pimm's latest self-biasing CCS circuit
  218. 46 tube pre
  219. BEZ T9B Intermittent problem
  220. Heathkit W-5M rebuild
  221. Masco MA25N repair
  222. Sunday's Project
  223. 5881- 6l6
  224. Gas-Rectifier power supply
  225. How to get more juice out of this shunt regulator
  226. Resistors on DHT Cathode
  227. Noise floor rise on heathkit W4-AMs when power supply transformers were swapped
  228. Help me finish up this SET project (multiple questions / ramblings)
  229. This Is Cool !!
  230. output bias servo
  231. Looking for dual power triodes.
  232. Need advice selecting a 2A3 design
  233. Feedback basics
  234. tubalizer..
  235. The 6b4g
  236. 6N6P Operating Points
  237. Lundahl+EL84 PP+concertina+input stage
  238. Help wanted for a truly loco project. (A Tube--gainclone hybrid guitar amp!)
  239. Looking for circuit of SE amp. for Eimac 100TH
  240. Counterpoint Sa-3000 Circuit Diagram
  241. compressor Faiirchild 670 DIY
  242. How much headroom for a choke---to stop it from humming?
  243. Bay Area Diy Festival
  244. Using Eagle for Tubes designs
  245. Worst that could happen?
  246. Identifying output tx.
  247. Small pre
  248. Cathode follower driver
  249. comment on this B+ supply
  250. ODD TUBES, what to look for?

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