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  1. hot transformer
  2. H. H. Scott 299C output transformers
  3. decisions fostex and the DIY-K12G budget system..
  4. LTSpice GU19 GU29 6R3S
  5. power transfo as HT choke
  6. Dummy newb needs help with Bogen VP17X
  7. Modding the SAKUA AV200
  8. Anybody use 841s(VT-51)?
  9. Help me make use of these transformers
  10. Wiring Buck Transformer with GE transformer Help!
  11. audio research sp9
  12. WE417A Valve Preamplifier
  13. Hi-Fi Tube Amplifier and more
  14. Radford SC-22 Restoration - Input Transistor Biasing Question
  15. 805 MonoBlock SE Amp Kit?
  16. Back to back toroids
  17. 6AU6 in CCS circuits
  18. Morgan Jones' RIAA Pre-Amp
  19. Pre-amp using Hammond 372FX (300-0-300, 5, 6,3) - suggestions?
  20. Building an Aikido LV for a headphone amp
  21. What to do with a 6L6-GC?
  22. loose plate caps, hi temp glue???
  23. Power supply question
  24. RCA Line Input Shielding Technique Help
  25. Grommes 260A DIY report, questions, suggestions
  26. Minimum Gain Stage Rg Value?
  27. One-half 6H30
  28. Novice In Over His Head
  29. Twisted Heater Wires
  30. Little Dot MK III - noisy / oscillation?
  31. Rundmaus at work - PP1C without sand
  32. where to start? 2 channel SS/tube bass preamp
  33. mr liang 845
  34. RH84 (EL84) Choke etc...
  35. Gyrator Loaded 12b4A: The Latest Version.
  36. Wood Trimmed Chassis
  37. Sansui BA-303
  38. Stepped Attenuator - Ebay Seiden DACT Goldpoint Elma Shallco?
  39. hybrid amp with dht or idht inputs?
  40. Balanced to Unbalanced Line Conversion
  41. Headphone amplifier with TH100 tube
  42. Happy New Year - A New Amp to Argue About...
  43. fee-nix, the desktop amp
  44. Any thoughts on what damage I did?
  45. So. Cal. Ham Festival?
  46. zener LTSpice model
  47. Mini-console Schematic
  48. Will this circuit work Ok?
  49. tube CCS below cathodes, startup issues?
  50. Why the wimpy 300B operating points?
  51. Bench supply ideas
  52. A Newbie Tx Question
  53. Volume Control Help!
  54. Could anyone opine on this circuit?
  55. 5U4 Rectifier. Maximum filter cap value?
  56. Grounding outputs?
  57. Happy holidays folks.
  58. Thermionic diode
  59. Lafayette amp arcing Rectifier problem
  60. ECF801 any good for audio
  61. Harman Kardon Citation II PI question
  62. 6N1P
  63. Shorted secondary windings of transformer
  64. Toasted my rectifier - need some pointers to troubleshoot
  65. Parallel amp connection to speakers, SS + tube
  66. Loose pin on a JJ 300B
  67. Measuring milliamp with Fluke 771 Clamp Meter Question?
  68. Spice - and Sting is nowhere to be seen...
  69. Realistic Stereo 24
  70. 6N3P-EV measured Ia/Va/Vg curves
  71. Anyone have the Meng Mini X1 amp here?
  72. EL84/6SN7 tube amp
  73. Something Like A 6EU7?
  74. Which 845 amp?
  75. another 12ax7 preamp
  76. SOHA v2 cost
  77. Yarland FV34C-111 Valve substitution
  78. My Latest DIY Draft (Beta) Build - Resurrected Sansui AU-111
  79. XiangSheng D-2020-KT88
  80. Edcor vs Electra-Print
  81. adding headphone jack to dynaco pas 3 clone
  82. Revising an old tube preamp section: where to get the knowledge?
  83. 6CG7 Bias Current?
  84. Output Pentode Screen at half Plate voltage
  85. PP to parallel
  86. Edcor vs Electra-Print
  87. Show off your P2P wiring.
  88. adapting 2 SE boards for a PP driver stage
  89. Freed transformer info needed
  90. Recomended connectors?
  91. COSMOS amp, Japan
  92. Advantage to constant current draw from power supply?
  93. SP9 schematic questions...
  94. Would you rebuild this?
  95. possible advantage to global???
  96. Correct Path: Diodes Or Rectifier Tube?
  97. 6BQ5 Bias Point Help
  98. Old Hammond 1640SE OPT
  99. Copland CVA 306 Can work only with 2 tubes ??
  100. Cleaning Edison Price posts
  101. need help on treble distortion with my EAR834p phono
  102. SE 6CB5A amp with 6N7 driver
  103. McAlister PP150
  104. Standard Input Design Value
  105. Breadboard help
  106. Odd amp built with PL81 / PL36
  107. Has anyone built a 47 SE amp?
  108. Which EL84
  109. First attempt p2p valve power amp
  110. Fundamental Pentode Question
  111. EL34 Triode Mode Resistors
  112. 807 SE Schematic Critiques
  113. Amp for Magneplanar 1.6
  114. After Christmas free time
  115. I suppose I am a little dense
  116. 12AU7 SE practise amp project
  117. LED bias with gNFB
  118. Schematic question - what this cap is for ?
  119. Output transformer
  120. 50C5s in PP ?
  121. input resistor on the JE LAB 300B
  122. Sockets for UY 41
  123. Any good tube amp kits for a first attempt?
  124. power supply suggestions and advice
  125. favourite midrange,treble tubes
  126. How can I turn 120VAC to 100VAC for Tango MS-UVD in an 845 SE amp?
  127. suspect a bad tube-any simple checks?
  128. Long-Tailed Pair, pse. share your views...
  129. 12AT7 vs 6SL7 as splitter for 6V6 ppp amp
  130. Ultralinear but no UL taps.
  131. OPT Question
  132. An Important Dumb Question-Newbie Stuff
  133. Switched to LED bias on 6SN7 cathode - how do I calculate current?
  134. Autobias OTL....Any thoughts?
  135. Valve Line Amp suggestions
  136. another 6c33 se
  137. no sound on the PHONO channel....
  138. What do you think of this cheap tube amplifier?
  139. Help! Want to Diy Tube Amp!
  140. Anyone care for some troubleshooting? Hum issue
  141. Re-tubing stock ST70
  142. your opinion of this bias problem
  143. paraphase with follower
  144. Noisy transformer
  145. 6BN11 in triode mode...any experience ?
  146. morgan jones:output stages
  147. Dynaco SCA-35 - fan Cooling?
  148. Partridge Vs Edcor
  149. Feedback with a choke ?
  150. Level matching?
  151. cascoded bjt ccs - design check please
  152. help on amp gain structure
  153. iPod/BlackBerry/MP3 input
  154. Shuguang 805 - Advice
  155. Mains Transformer Hums under load
  156. K12G left channel dead: HELP!
  157. Model 16LS Stereo Integrated Tube Amplifier
  158. Help identifying components
  159. Odd Block Series 1 6L6 Amp Power Supply
  160. Need Help for Improving HEATHKIT AA 151
  161. Troubleshooting help for a neophyte
  162. can cap - rectifier spacing
  163. tube dampers anyone
  164. cnc aluminium chassis for tube amps
  165. Balanced Input as Phase Inverter?
  166. 300B SET amp input sensitivity, Help.
  167. Any thoughts on this circuit?
  168. Will This Work? 26 Linestage
  169. Eico HF-89a question
  170. 100TH Ep-Ip Curve
  171. Power Transformer - Can you use separate tap for screens?
  172. Power supply for PP1C - sanity check
  173. Blue Velvet preamp
  174. Paid 5$ for this deluxe/vibrolux schematic! some connections missing help!!
  175. Universal Power Transformer
  176. Tone control in a TubelabSE?
  177. 300B Sweet Spot
  178. Does 81ma sound about right?
  179. Frank's EC8010/6C45P-GM70 SE Interstage.
  180. I need a bit of help to fine tune my PP EL84 amp
  181. IS there any OTL pre amps out there?
  182. 6BQ5 Sweet Spot?-Charts for other than 250 Screen Volts?
  183. Project Planning (Steps/Order)
  184. Question about coding on tube
  185. 6H13C OTL using 12 parallel tubes
  186. SE 2 watt clean amp?
  187. Transformers for tweeter amps on ferrite donuts
  188. Noob Help: Converting Thomas organ / Wiring
  189. Vintage power transformers
  190. 1625 pp amp layout - comments invited
  191. Grundig 3028 HELP
  192. Oscillation in hybrid amp, how to solve?
  193. Hipass filter to control master bias? - Why attempt to reproduce DC in a tube amp?
  194. Audio Note M-Zero remote control problem
  195. SE TESLA E34L
  196. Need help to restore Sansui 500A
  197. Push-Push OTL?
  198. Stereo Circlotron using only two supplies...
  199. Mercury 1000/2000 KT-88 and 6l6 design bug
  200. Has some tried to use E/PL81 in PPP setup
  201. Heatsinks for tubes?
  202. Mechanical Isolation for a Power Transformer
  203. My First Tube Amp Build: S5 K12G
  204. Size does matter!
  205. tubelabSE with 300b
  206. EL509 (JJ) or PL519?
  207. how can i build a Choke?
  208. A new design
  209. My first and last DIY tube amp !
  210. anyone help convert dual volume to single?
  211. 480-0-480vac To Power A SE GM70!??
  212. Triode plate resistance == internal negative feedback?
  213. Quiz: which tube is this?
  214. 6EM7 Headphone Spud - Please comment
  215. replacement tubes
  216. Mengyue Mini EL34B stereo balance issues..
  217. Email Address for Heiner Jakobi ?
  218. A quick tube matching question
  219. 30W triode?
  220. My Project: Pilot 602
  221. Fake glow LED under valve in commercial devices
  222. Unknown PP output transformers
  223. Switching Amp? 25watts WITH OUT tubes or Transistors?!?
  224. Power Supply B+ voltage?
  225. Newby here first post.
  226. Cheap and easy tube amp.
  227. Rate/critique my Dynaco A410 mods..
  228. Hammond 1650n and Dynaco mark III circuit.
  229. A quick safety question
  230. George RE: 26E6WG
  231. Advice for a beginner please..
  232. Balancing the PP cathode bias
  233. Hybrid Circlotron Amplifier with only 3 components on the signal path
  234. PARTRIGE transformer
  235. Western Electric 205D Tube for Preamp?
  236. Does anyone have the PDF for the Plitron 4142 ?
  237. 16sj8
  238. Restoring Baldwin 40 watt amps
  239. LTspice U/L Transformer Symbol
  240. advice please, a setup to characterise opts
  241. 809's in Class B P-P w/feedback
  242. Simple Audio Generator
  243. SE Amps with Variable Impedance Loads
  244. Linearity
  245. PSU Transformers for 6922 SRPP tube preamp
  246. 6JN8 curves?
  247. 6C6-2A3 Amplifier: Changes for 45?
  248. Which rectifier tubes are still manufactured?
  249. transconductance effect on peak power?
  250. Super cheap triode amplifier

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