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  1. transmitter tube amp
  2. resistor and capacitor values for Aikido preamp
  3. need opinion on 2nd hand AF analyzers prices
  4. DH rectifier hookup.
  5. WE 310A vs. Russian 310A in WE91
  6. CRC PSU for preamp
  7. Question on the installation of LL1668 plate choke
  8. max plate voltage rating in tube datasheet
  9. Tube for a shunt voltage regulator
  10. choosing cap values for aikido
  11. Tubes in the Intermediate Stage
  12. c3m + 300b + miller capacitance
  13. How do I bias up a constant current series filament circuit?
  14. The perfect phono preamp.
  15. Got my 6BG6GA's last night
  16. Tubes4HiFi SP-6 preamp
  17. Stupid electrolytic cap question.......
  18. Shuguang 807s?
  19. LX-72A Sanity Check for Noooobie?
  20. Convert EL84 to 6V6? Anyone try this?
  21. PC96
  22. Ultrapath output transformers
  23. Grant RIAA phono with 12AX7/ECC83
  24. Tube VS SS voltage regulators - any advantages?
  25. Ra-a??
  26. Help with my el509 amp almost done but with one problem.
  27. McIntosh chassis help needed
  28. Tube Voltage Regulator Design
  29. DC Tube Amplifiers
  30. Coupling cap voltage rating
  31. Anyone experienced in the 76 tube?
  32. aikido thump
  33. bypassing preamp board in integrated amp
  34. Mallory FP 2x30/500 for Scott LX-72 - NOOB
  35. is it really required to use carbon comp for grid stoppers?
  36. How much trickle current can fixed bias cathode batteries stand?
  37. Who is the administrator?
  38. LM329 as voltage reference in a CCS.
  39. Euridice Preamp with 5842 and LL1660
  40. Trans. alignments
  41. Audio Note M3 Kit modification
  42. Has anyone simulated an "Aikido" amplifier?
  43. Upgrading ST70 PS w/ SS question
  44. 6N1 Chinese tube and others
  45. 12AT7 Linestage design
  46. ECF80 instead of 7199
  47. Modifying a tube tester into a curve tracer (oscilloscope X/Y outputs) ?
  48. 6922 vs 6SN7
  49. Transformer DCR's
  50. ferrite beads v. grid resistor
  51. What went wrong with my amp? Bass driver strange movement.
  52. Toccata Phono Preamp
  53. Drawbacks of Parafeed?
  54. aikido problem
  55. RS253 giant SE monoblock (Chinese)
  56. Plate chokes & Power chokes
  57. 10uF filter cap too small? PSU schematic inside
  58. HOT ROD DELUXE: CRACKLE...POP...what to do?
  59. converting Baldwin organ amp to guitar
  60. best amp for rock n roll
  61. quick question about tube relays
  62. Yeo's Simple EL84 with a twist
  63. ST-70 OPT, A-470 question
  64. meixing 805 tube amp problems
  65. Advice for NOOBie - Dad's Scott LK-72
  66. Peavey Valve King 112
  67. KT66 SE amp, grid current or not?
  68. 269EX in a champ?
  69. How do I achieve more output power?
  70. Driver stage load resistor
  71. More Edcor XSM10K/10K Specs
  72. DC filament
  73. driver stages
  74. Bay Area DIY is Cancelled Because....
  75. Is constant filament current better way to build amps?
  76. Next amp build - Trainwreck - Princeton - Deluxe ???
  77. Quicksilver M135 Output Transformers Color Code?
  78. Dynaco ST70 clone, tubes substitution question
  79. caddocks mk132: has anyone used them for tube projects?
  80. DIY Pro Audio Recording Gear - La2a, Pultec, more.
  81. size of filtering caps SS vs OTL tube
  82. Current rating and tube current draw
  83. NUCLON -- My first hybrid guitar amp
  84. PP splitters again
  85. preamp with output trannies.
  86. Is it the 6SN7 or me?
  87. My Kind of Guitar Tuner
  88. Regulating tube amp power supply - can Iget away with a simpler CLC filtering scheme?
  89. Manufacture date of 6SN7s
  90. simple 12AU7 cathode follower
  91. How's your bench, what's your favorite setup/tool ?
  92. Siemens H42 AM/FM receiver circuit diagram?
  93. 429A load lines
  94. Mu-stage on output
  95. My new project, 2 x KT88 60W amp
  96. Tube Amp Hum
  97. Modding MEIXING MC 3008
  98. crate vc 2110 schematic ???
  99. Will this work for an EL84 push pull?
  100. "Integrated" or "stand alone"
  101. Heater to cathode voltage limits in cascodes???
  102. some Japanese can help me? (OPT trafo winding)
  103. Quicksilver 8417 a class C amp?
  104. Newcomer, where to start?
  105. Benefits of Potted Output Transformers
  106. Transformer question
  107. 6AW6A, Unloaded
  108. Aikido PSU help
  109. Rectifier that doesn't need own filament supply?
  110. Plate to Cathode Cap -- what's this??
  111. Need Help Understanding/Optimising a Schematic
  112. Simple basic question quick
  113. problem on thorens PR15 (strange filaments circuity)
  114. My 1W 5687 SE Direct Coupled Power Amp
  115. VT-25 linestage + step-down trafo
  116. What to do with 803's
  117. Newbie: KT88 amp info needed
  118. 805 tube amp, uProcessor controlled
  119. Class A Tube BJT Hybrid
  120. John Broskie's enhanced T8
  121. Audio Research SP6 E
  122. André Charlin anybody got his Tube Amp
  123. Info needed - Shuguang SG120-C Integrated Amp
  124. Help with 6SN7 preamp
  125. 12b4 vs. aikido linestage
  126. KT88/6550 as Triode
  127. 6AU6WA triode connected as a line amp?
  128. A few basic noobie questions.
  129. Which connector for PSU/chassis B+ supply?
  130. Quad II-Forty schematic ?:
  131. Audio Research Manuals
  132. I was thinking
  133. silicon or tube rectifier?
  134. Is this OK for the Etude Preamp?
  135. gary pimm's latest self-biasing CCS circuit
  136. 46 tube pre
  137. BEZ T9B Intermittent problem
  138. Heathkit W-5M rebuild
  139. Masco MA25N repair
  140. Sunday's Project
  141. 5881- 6l6
  142. Gas-Rectifier power supply
  143. How to get more juice out of this shunt regulator
  144. Resistors on DHT Cathode
  145. Noise floor rise on heathkit W4-AMs when power supply transformers were swapped
  146. Help me finish up this SET project (multiple questions / ramblings)
  147. This Is Cool !!
  148. output bias servo
  149. Looking for dual power triodes.
  150. Need advice selecting a 2A3 design
  151. Feedback basics
  152. tubalizer..
  153. The 6b4g
  154. 6N6P Operating Points
  155. Lundahl+EL84 PP+concertina+input stage
  156. Help wanted for a truly loco project. (A Tube--gainclone hybrid guitar amp!)
  157. Looking for circuit of SE amp. for Eimac 100TH
  158. Counterpoint Sa-3000 Circuit Diagram
  159. compressor Faiirchild 670 DIY
  160. How much headroom for a choke---to stop it from humming?
  161. Bay Area Diy Festival
  162. Using Eagle for Tubes designs
  163. Worst that could happen?
  164. Identifying output tx.
  165. Small pre
  166. Cathode follower driver
  167. comment on this B+ supply
  168. ODD TUBES, what to look for?
  169. 2A3 SE and Edcorp tranny
  170. Differential amplifier with 12AX7
  171. Bogen Challenger CH30 Amplifier
  172. do I need to use a heatsink on a DN2540 in a B+ supply?
  173. Transformer, 10K 1:1 - which one?
  174. Where to find Blackgate Caps?
  175. Passive Pre-Amp causes huge power loss?
  176. Rubbish fluorescent tubes: Eterna Lighting (UK), GE (US)
  177. Melos TM90 ST schematic?
  178. My first tube preamplifier:)
  179. Opinions on the Conrad Johnson MV75 amplifier please.
  180. Favorite Tubes
  181. SS replacement for 83 tube ?
  182. AMC CVT 2030 Output Transformer.
  183. 6-ohm speaker to tube amp
  184. What tubes share the pinout with the 5687?
  185. SMPS for B+ discussion
  186. Building a 200W+ bass amp
  187. need help understanding voltage regulator schematic (using CCS) from Raleigh Audio
  188. SS No R No C Power Supply for Tubes
  189. FREDs? Replace 1N4003 rectifier diodes?
  190. Hot running regulated dc filament supply for aikido preamp
  191. B+ TX. overkill?
  192. 33 Power Pentode Design Pointers Needed
  193. What Wiki?
  194. help understanding updated DRD from J Elliano's site (using 6AN4 instead of 6n1p)
  195. Zen SE84TS
  196. 5687 tube
  197. Tube vs. Semiconducter rectification
  198. Bogen CHB35 Mods and Preamp ideas
  199. I Want To Build A 100+Watt per/channel Tube Poweramp
  200. Phonodude problem
  201. enjoythemusic's t-rex amp: where is the +70VDC tap?
  202. Earthing and how it effects sound.
  203. Rectifier question
  204. Help for SE Main Transformer
  205. 6D22S Getter Question
  206. Repair of a McIntosh MC225 power amp
  207. OPA627 with tube buffer....
  208. Bell Stereophonic 3030 help
  209. Choosing the line stage preamp.
  210. I Need Help, Mcintosh/Marantz 7 content
  211. For 45 > 845: selecting an 9.5/ 10 Interstage
  212. How to reduce gain of this Tube Preamplifier ?
  213. looking for pp amp schematic without nfb
  214. Pseudo dual mono PS?
  215. WE404A drive 6L6 solution
  216. Looking for info on loudness control
  217. Tubes and minority carriers
  218. suggestions for 3 projects please
  219. DIY tube preamp kit
  220. M6 lamination: what is it?
  221. why is it that most tube projects uses copper sheetmetal?
  222. Sources in the Philippines / Manila
  223. Tube noise - Help
  224. Strange reverb circuit
  225. Tiny tube amp
  226. DC heating directly heated output valves
  227. Alps 250k in a Pas-3 Question
  228. 1st cap heats up...
  229. RCA VR Tube engineering data
  230. dropping heater voltage
  231. Please Help with Sound Valves M40 Monoblock Bias Adjustment Procedure!!!
  232. Old Sony SE OPT's /w 600r tap... cathode feedback maybe?
  233. Which is the poor man 45 tube?
  234. Audio Note Low Gain Quest Power Amplifier
  235. Quad II: Which resistors?
  236. Designing a preamp with two tubes
  237. ARC Classic 30 problem
  238. Why does the 6AS7 have such high Miller capacitance ?
  239. Driving an unusal Z=1k5-2k input spring reverb w/o tranny
  240. serching 5A6 beam power pentode data/curves/schematics for AF practice amp
  241. HPHV regulator measurement
  242. DHT Topology Comparison Question
  243. Secondary Tap of Power Transformer?
  244. Soft-clipping Circuit/tubecad
  245. lack of bass in a 6h30 design
  246. Difference between two novals
  247. C3g
  248. All Tube Stereo power amplifier
  249. what gas VR tube?
  250. KT88 schematic

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