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  1. RCA ORTHOPHONIC LMI-32216A manual copy needed
  2. Question on strange 6l6 schematic symbols
  3. Resistor value?
  4. ST70 chassis polishing
  5. Octal to RCA
  6. KT120 plate load for 150+watts
  7. Need a copy of Aikido 5687 manual pdf
  8. Nutshell Raven Headphone amp with balanced I/O
  9. Bartolucci: beware of him !!!
  10. Finding plate resistance
  11. Pleides Tube only headphone amp
  12. I think I know what I want (seasoned advice)
  13. CCS filament supply vs inductors for DHT
  14. Cap outer foil low impedance help...
  15. Distorted low end SE micro amp
  16. LM3886 + ECC82/12AU7
  17. My LCR phono with HUM....
  18. Winter 2A3 SET project.
  19. 6BQ5 pp with LM317 ccs
  20. Marantz 7 clone
  21. Music Angel pre-amplifier - few modifications
  22. Transformer Questions (1st Amp Project)
  23. Morgan Jones and PS Bypass Caps
  24. Ruby Tuby at 24V?
  25. Budget Iron for Low-Power SET
  26. Output transformer mounting questions
  27. 3c24 preamp?
  28. Newb Q - JE Simple 2A3 as Monoblocks
  29. Vacuum tube amp design
  30. Counterpoint SA7.1 circuit question
  31. Variable Gain Control Topology
  32. Unknown amplifier, anyone recognice it?
  33. Harman Kardon "The Lute" A-220 - Repair manual?
  34. G2 input grid 6DQ6 push pull
  35. Schade SE 6550
  36. Heathkit aa-23 fix up
  37. 6SN7 Line Stage w/ Tone Controls
  38. Octal Heaven??
  39. how do i reach Chris the georgetown technician?
  40. mu follower bootstrap cap value
  41. POLL: The Legendary Williamson Amp Modified By SY
  42. 5Y3 PSU Question
  43. jolida 302b sweet sounding amp vs Audio Innovations 500
  44. MFA M120 any personal experience values and reviews?
  45. Scott 233D one channel bad - Next Project?
  46. Quickie GLA Tube Amp - whats the 1 ohm setting for?
  47. This Look Right?
  48. SIMPLE KIT with step by step instruction
  49. Ultra Simple PP ECC99?
  50. Heathkit Audio Analyzer
  51. The Best Valve Amp Design In Modern Time: Poll Candidates
  52. Current Requirements for Power Tubes
  53. Thermionic generator (Triode) appears to be real this time...
  54. Choosing Tube + OPT for preamp
  55. My first preamp with tubes
  56. Another New Guy Starting With %@&?~ Chinese PCB
  57. Question about output transformers.
  58. NEETS & Kirchhoff , I'm stuck
  59. Reviving a late 50's el84-based hifi
  60. Need a 7K a-a
  61. Tube ID
  62. Anyone know what these are?
  63. Let's Talk About Grounding
  64. Tube Pre Amp DIY Schematic
  65. Rectifier choice
  66. power transformer fo single tube ecl82 amplifier
  67. Today's Version of The Williamson Amp
  68. what's wrong with my calculations?
  69. Phono stage design considerations part 1: choosing 1st stage tube
  70. Can anyone suggest a practical use for this gauge on a tube amp
  71. Completed my 829 PPP w/ pmillet's driver pcb's.
  72. adding input transformer to Sony sra-2 tube preamp
  73. 6P45S 50W mono block tube amplifier
  74. Is it possible to drive 4xKT88PP with an AC coupled LTP PI?
  75. curious answer from CommonSense Audio
  76. Local Feedback for Push Pull Pentode
  77. Exotic interstage transformers
  78. DAC & Tube Preamp, Elevated Heater Question
  79. This Schematic Sounds Great
  80. Most Exotic MM phono preamplifier
  81. Fast track or How to utilize two 3-hole chassis for 20W+ monoblocks
  82. Strange noises on my Aikido power on
  83. lost capacitance
  84. Best SE KT66 schematic?
  85. Mixing old and new tubes
  86. Mullard 3 Tube 3 watt amplifier Question
  87. Darling Pre-amplifier using WCF for 1626's
  88. Is my tube broken? Which one should replace it?
  89. simplex (6c33c se amp) and stabilized current
  90. Transformers with dual primaries?
  91. Building the VTA, tubes4hifi PH16 Phono Stage
  92. K&E Preamplifier
  93. 12ax7:top psvane or top shuguang?
  94. Software To Help Design Tube Amplifier
  95. How can I drop B+ Voltage
  96. Eico HF-60's power supply.
  97. Need help with Output Transformer for EL84
  98. Where to reference filaments to ground?
  99. Maratnz 9 irons
  100. Noisy re-purposed MOT
  101. Mullard HQ Stereo Amp - Transformers Question
  102. C3g triode-strapped linearity question
  103. Making tube Rp disappear now
  104. 6E5P Connection Question
  105. Push Pull stereo amp bridged to monoblock operation
  106. Mr Blohbaum's Multiplied Transconductance Amp
  107. Vintage output transformer ID
  108. Getting Rid of Some Stickys
  109. Grid is Referenced To Ground through resistor? WHAT?
  110. AP testing of the 6L6 SE
  111. output impedance
  112. 11BM8 heater wiring question
  113. Lower AC ripple on one side of coupling cap than the other side?
  114. HELP!! K12G Valve kit transformer
  115. 4 x EL34 or 2 x 6550 in a pp amp
  116. 5965 Telefunken tube U mh CO label ?
  117. 845 IT couple amp
  118. What makes an output tube "run away"
  119. P. Millett Engineers Amplifier
  120. Biasing problem
  121. Direct coupled driver stage - bias design
  122. Monoblock project
  123. Series DC Heater chain
  124. Tranformer advice for small powered amp.
  125. Circuit for testing tube/valve - Help!
  126. new Tubes for MHZS 33
  127. Teeny Tiny Spud
  128. Paging Andy Bartha
  129. 6ak5 / 5654 tubes in Kuala Lumpur, Malaysia
  130. aikido octal all-in-one manual
  131. Conrad Johnson MV75 help needed
  132. Leak tl12+ ECC81
  133. Kuba Serenade Stereo Console - Part II - New development - amp debug question
  134. Amperex AX569
  135. Marconi tube ID help
  136. ST-70 Input Stage, Explained For Extreme Beginners
  137. heaters connected to cathode?!
  138. HK Citation I rebuild question.
  139. tube 4-125A design
  140. Mod FISHER 100AZ-balanced input!?
  141. Akidio PS-17 CLC Resistance Value Choices
  142. More questions on parallel push-pull
  143. Inputs needed for Power Transformer Design!
  144. seeking advice about Welborne Labs kit
  145. 2A3 Design: Real World Gain Question
  146. 6M11 push-pull spud amp
  147. My first Console mod - Class is in session
  148. Wright Sound WPA 3.5 Power Transformer Replacement Options
  149. DF 96 tube
  150. S.A.C.T valve transformers
  151. Very strange....
  152. Advice Needed on PSU Over voltage
  153. Griffin G170 schematic needed
  154. Funny comment about the religion of SE
  155. calculate needed wattage for output transformer
  156. AP1 tube preamp assistance needed,please?
  157. 6AN8 or ECF80 ?
  158. Simple Cheap Amp Using 6l6 and/or 12ax7?
  159. Which Tube Amp Kit Sounds Best
  160. Push Pull 6HJ5 Monoblocks
  161. 100 V transformers
  162. unstable right channel
  163. Aikido 9 pin tubes for 2a3
  164. preamp kit
  165. 71a DHT Pre - MV Rectifier, Batteries, and TVC's
  166. Build ideas? New tube amp find and I'd like some input please.
  167. OB2 SPICE model
  168. Push pull - driver tube plate voltage
  169. Voltage Doubler Caps
  170. Morgan Jones Regulator - Questions
  171. Gu-50 SE Amp , quick question...
  172. Tube Amp Open Circuit Protection
  173. 6CU6 Sweep Tube Monoblock Power Amp Build Log
  174. je labs type 76 preamp build!
  175. Any Tube Designers Out There: Money For You
  176. Output Transformer Questions
  177. cathode bias redplate question
  178. eyelets and radial capacitors
  179. Help with MiniBlok II
  180. Reading Sovtek Date Codes
  181. ECF or PCF80 as a headphone amp
  182. 60 Watt Mono Build
  183. Amp for Klipsch Heresy
  184. The ultimate 300B
  185. Stage gain and cascading
  186. NOS Tube Socket Question
  187. 75 Watt/Channel Monoblock Custom Amp
  188. Wiring variac
  189. 1SH29B russian miniature tube - useful for audio?
  190. Humming in PP EL84 Tubes aMP.
  191. Repurposing a Tube Reel to Reel
  192. YaQin MC-10L Vs ST70: Sound Quality
  193. Voltage VS. Amperage?
  194. 3 questions about 6B4g
  195. DIY OPT - are these good?
  196. Audio Research regulators
  197. 0C3 for lowering down the screens?
  198. radio like interference condition in SA-100
  199. PCL86 heater flash
  200. Tube powered subwoofer
  201. Anyone have experience with Shuguang 805A
  202. The emperor's new amplifier
  203. Power supply question:twin choke input?
  204. El-84 vs El-86
  205. Modifying Tektronix Type-E Plugin
  206. radio coming thru speakers.
  207. FM tube tuner
  208. diy el 34 se
  209. Transformers Specs for a 2x KT88 Amp
  210. 805 Positive or Negative Grid
  211. Point To Point, 100 percent, No Kit
  212. More line loads etc
  213. B300 C120 rectifier replacement.
  214. Triode simulation/emulation with solid state
  215. What is the driver circuit here?
  216. Dynaco Mark III
  217. ReCap- Heathkit AA-151 Help
  218. Hammond Chassis?
  219. How about an IXCP10M90 as a FETRON
  220. PUSH PULL SE ???
  221. More load lines...
  222. 7193/2C22: wich brand's the best?
  223. Bumed out over this Setchell Carlson
  224. Looking for Electron flow diagram
  225. Why Only Automatic/Semi-Automatic Bias?
  226. Audio Note M-Zero preamp
  227. Load lines. What?
  228. Preamp - pop on channel change
  229. Just for interest.
  230. 813 push-pull output 250W tube amp
  231. What sort of resistors are fine to use in tube amps?
  232. How Not To Pack DHTs For Postal Shipment
  233. Help me ID this trafo and tubes..
  234. Full PSE Amp /only 6E5P/
  235. ATH90
  236. Corroded valve pins
  237. Power supply advice needed
  238. Big Capacitors in PSU
  239. 6CD6G Tube amp
  240. Removal of Cathode Follower in JE Labs Circuit
  241. Q: Cascaded Transformers, S&B102+LL7903
  242. Threshold dac 1e possible modd
  243. Need Help with PSVANE 6CA7-T
  244. Why kind of Vacuun tube is the Tung-Sol TS 930 ??
  245. Magnetic Ballast (Sylvania) MB2 x 40/120 RS
  246. Recommendations & Budget for DIY Tube Amp kit?
  247. Recommend a good plate choke for 5842 tube
  248. Recomendations for SE 6AQ5 Schematics?
  249. ST35 Phase Splitter
  250. german console pull recap Project - help needed

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