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  1. Need a copy of Aikido 5687 manual pdf
  2. Nutshell Raven Headphone amp with balanced I/O
  3. Bartolucci: beware of him !!!
  4. Finding plate resistance
  5. Pleides Tube only headphone amp
  6. I think I know what I want (seasoned advice)
  7. CCS filament supply vs inductors for DHT
  8. Cap outer foil low impedance help...
  9. Distorted low end SE micro amp
  10. LM3886 + ECC82/12AU7
  11. My LCR phono with HUM....
  12. Winter 2A3 SET project.
  13. 6BQ5 pp with LM317 ccs
  14. Marantz 7 clone
  15. Music Angel pre-amplifier - few modifications
  16. Transformer Questions (1st Amp Project)
  17. Morgan Jones and PS Bypass Caps
  18. Ruby Tuby at 24V?
  19. Budget Iron for Low-Power SET
  20. Output transformer mounting questions
  21. 3c24 preamp?
  22. Newb Q - JE Simple 2A3 as Monoblocks
  23. Vacuum tube amp design
  24. Counterpoint SA7.1 circuit question
  25. Variable Gain Control Topology
  26. Unknown amplifier, anyone recognice it?
  27. Harman Kardon "The Lute" A-220 - Repair manual?
  28. G2 input grid 6DQ6 push pull
  29. Schade SE 6550
  30. Heathkit aa-23 fix up
  31. 6SN7 Line Stage w/ Tone Controls
  32. Octal Heaven??
  33. how do i reach Chris the georgetown technician?
  34. mu follower bootstrap cap value
  35. POLL: The Legendary Williamson Amp Modified By SY
  36. 5Y3 PSU Question
  37. jolida 302b sweet sounding amp vs Audio Innovations 500
  38. MFA M120 any personal experience values and reviews?
  39. Scott 233D one channel bad - Next Project?
  40. Quickie GLA Tube Amp - whats the 1 ohm setting for?
  41. This Look Right?
  42. SIMPLE KIT with step by step instruction
  43. Ultra Simple PP ECC99?
  44. Heathkit Audio Analyzer
  45. The Best Valve Amp Design In Modern Time: Poll Candidates
  46. Current Requirements for Power Tubes
  47. Thermionic generator (Triode) appears to be real this time...
  48. Choosing Tube + OPT for preamp
  49. My first preamp with tubes
  50. Another New Guy Starting With %@&?~ Chinese PCB
  51. Question about output transformers.
  52. NEETS & Kirchhoff , I'm stuck
  53. Reviving a late 50's el84-based hifi
  54. Need a 7K a-a
  55. Tube ID
  56. Anyone know what these are?
  57. Let's Talk About Grounding
  58. Tube Pre Amp DIY Schematic
  59. Rectifier choice
  60. power transformer fo single tube ecl82 amplifier
  61. Today's Version of The Williamson Amp
  62. what's wrong with my calculations?
  63. Phono stage design considerations part 1: choosing 1st stage tube
  64. Can anyone suggest a practical use for this gauge on a tube amp
  65. Completed my 829 PPP w/ pmillet's driver pcb's.
  66. adding input transformer to Sony sra-2 tube preamp
  67. 6P45S 50W mono block tube amplifier
  68. Is it possible to drive 4xKT88PP with an AC coupled LTP PI?
  69. curious answer from CommonSense Audio
  70. Local Feedback for Push Pull Pentode
  71. Exotic interstage transformers
  72. DAC & Tube Preamp, Elevated Heater Question
  73. This Schematic Sounds Great
  74. Most Exotic MM phono preamplifier
  75. Fast track or How to utilize two 3-hole chassis for 20W+ monoblocks
  76. Strange noises on my Aikido power on
  77. lost capacitance
  78. Best SE KT66 schematic?
  79. Mixing old and new tubes
  80. Mullard 3 Tube 3 watt amplifier Question
  81. Darling Pre-amplifier using WCF for 1626's
  82. Is my tube broken? Which one should replace it?
  83. simplex (6c33c se amp) and stabilized current
  84. Transformers with dual primaries?
  85. Building the VTA, tubes4hifi PH16 Phono Stage
  86. K&E Preamplifier
  87. 12ax7:top psvane or top shuguang?
  88. Software To Help Design Tube Amplifier
  89. How can I drop B+ Voltage
  90. Eico HF-60's power supply.
  91. Need help with Output Transformer for EL84
  92. Where to reference filaments to ground?
  93. Maratnz 9 irons
  94. Noisy re-purposed MOT
  95. Mullard HQ Stereo Amp - Transformers Question
  96. C3g triode-strapped linearity question
  97. Making tube Rp disappear now
  98. 6E5P Connection Question
  99. Push Pull stereo amp bridged to monoblock operation
  100. Mr Blohbaum's Multiplied Transconductance Amp
  101. Vintage output transformer ID
  102. Getting Rid of Some Stickys
  103. Grid is Referenced To Ground through resistor? WHAT?
  104. AP testing of the 6L6 SE
  105. output impedance
  106. 11BM8 heater wiring question
  107. Lower AC ripple on one side of coupling cap than the other side?
  108. HELP!! K12G Valve kit transformer
  109. 4 x EL34 or 2 x 6550 in a pp amp
  110. 5965 Telefunken tube U mh CO label ?
  111. 845 IT couple amp
  112. What makes an output tube "run away"
  113. P. Millett Engineers Amplifier
  114. Biasing problem
  115. Direct coupled driver stage - bias design
  116. Monoblock project
  117. Series DC Heater chain
  118. Tranformer advice for small powered amp.
  119. Circuit for testing tube/valve - Help!
  120. new Tubes for MHZS 33
  121. Teeny Tiny Spud
  122. Paging Andy Bartha
  123. 6ak5 / 5654 tubes in Kuala Lumpur, Malaysia
  124. aikido octal all-in-one manual
  125. Conrad Johnson MV75 help needed
  126. Leak tl12+ ECC81
  127. Kuba Serenade Stereo Console - Part II - New development - amp debug question
  128. Amperex AX569
  129. Marconi tube ID help
  130. ST-70 Input Stage, Explained For Extreme Beginners
  131. heaters connected to cathode?!
  132. HK Citation I rebuild question.
  133. tube 4-125A design
  134. Mod FISHER 100AZ-balanced input!?
  135. Akidio PS-17 CLC Resistance Value Choices
  136. More questions on parallel push-pull
  137. Inputs needed for Power Transformer Design!
  138. seeking advice about Welborne Labs kit
  139. 2A3 Design: Real World Gain Question
  140. 6M11 push-pull spud amp
  141. My first Console mod - Class is in session
  142. Wright Sound WPA 3.5 Power Transformer Replacement Options
  143. DF 96 tube
  144. S.A.C.T valve transformers
  145. Very strange....
  146. Advice Needed on PSU Over voltage
  147. Griffin G170 schematic needed
  148. Funny comment about the religion of SE
  149. calculate needed wattage for output transformer
  150. AP1 tube preamp assistance needed,please?
  151. 6AN8 or ECF80 ?
  152. Simple Cheap Amp Using 6l6 and/or 12ax7?
  153. Which Tube Amp Kit Sounds Best
  154. Push Pull 6HJ5 Monoblocks
  155. 100 V transformers
  156. unstable right channel
  157. Aikido 9 pin tubes for 2a3
  158. preamp kit
  159. 71a DHT Pre - MV Rectifier, Batteries, and TVC's
  160. Build ideas? New tube amp find and I'd like some input please.
  161. OB2 SPICE model
  162. Push pull - driver tube plate voltage
  163. Voltage Doubler Caps
  164. Morgan Jones Regulator - Questions
  165. Gu-50 SE Amp , quick question...
  166. Tube Amp Open Circuit Protection
  167. 6CU6 Sweep Tube Monoblock Power Amp Build Log
  168. je labs type 76 preamp build!
  169. Any Tube Designers Out There: Money For You
  170. Output Transformer Questions
  171. cathode bias redplate question
  172. eyelets and radial capacitors
  173. Help with MiniBlok II
  174. Reading Sovtek Date Codes
  175. ECF or PCF80 as a headphone amp
  176. 60 Watt Mono Build
  177. Amp for Klipsch Heresy
  178. The ultimate 300B
  179. Stage gain and cascading
  180. NOS Tube Socket Question
  181. 75 Watt/Channel Monoblock Custom Amp
  182. Wiring variac
  183. 1SH29B russian miniature tube - useful for audio?
  184. Humming in PP EL84 Tubes aMP.
  185. Repurposing a Tube Reel to Reel
  186. YaQin MC-10L Vs ST70: Sound Quality
  187. Voltage VS. Amperage?
  188. 3 questions about 6B4g
  189. DIY OPT - are these good?
  190. Audio Research regulators
  191. 0C3 for lowering down the screens?
  192. radio like interference condition in SA-100
  193. PCL86 heater flash
  194. Tube powered subwoofer
  195. Anyone have experience with Shuguang 805A
  196. The emperor's new amplifier
  197. Power supply question:twin choke input?
  198. El-84 vs El-86
  199. Modifying Tektronix Type-E Plugin
  200. radio coming thru speakers.
  201. FM tube tuner
  202. diy el 34 se
  203. Transformers Specs for a 2x KT88 Amp
  204. 805 Positive or Negative Grid
  205. Point To Point, 100 percent, No Kit
  206. More line loads etc
  207. B300 C120 rectifier replacement.
  208. Triode simulation/emulation with solid state
  209. What is the driver circuit here?
  210. Dynaco Mark III
  211. ReCap- Heathkit AA-151 Help
  212. Hammond Chassis?
  213. How about an IXCP10M90 as a FETRON
  214. PUSH PULL SE ???
  215. More load lines...
  216. 7193/2C22: wich brand's the best?
  217. Bumed out over this Setchell Carlson
  218. Looking for Electron flow diagram
  219. Why Only Automatic/Semi-Automatic Bias?
  220. Audio Note M-Zero preamp
  221. Load lines. What?
  222. Preamp - pop on channel change
  223. Just for interest.
  224. 813 push-pull output 250W tube amp
  225. What sort of resistors are fine to use in tube amps?
  226. How Not To Pack DHTs For Postal Shipment
  227. Help me ID this trafo and tubes..
  228. Full PSE Amp /only 6E5P/
  229. ATH90
  230. Corroded valve pins
  231. Power supply advice needed
  232. Big Capacitors in PSU
  233. 6CD6G Tube amp
  234. Removal of Cathode Follower in JE Labs Circuit
  235. Q: Cascaded Transformers, S&B102+LL7903
  236. Threshold dac 1e possible modd
  237. Need Help with PSVANE 6CA7-T
  238. Why kind of Vacuun tube is the Tung-Sol TS 930 ??
  239. Magnetic Ballast (Sylvania) MB2 x 40/120 RS
  240. Recommendations & Budget for DIY Tube Amp kit?
  241. Recommend a good plate choke for 5842 tube
  242. Recomendations for SE 6AQ5 Schematics?
  243. ST35 Phase Splitter
  244. german console pull recap Project - help needed
  245. 6B4G Monkey help
  246. These transformers can be used for EL84 SE?
  247. 300B...Ebay or DIY??
  248. Higher gain twin triode!
  249. ARC V70 bias
  250. 70v transformers explored.

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