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  1. Class A2 Direct MOSFET Coupled SE
  2. Volume Surges Fender "The Twin" - transformer going?
  3. simple SE questions
  4. Best tubes for ~100w 1.9k p-p?
  5. Installing bleeding resistors
  6. Capacitor Comparison Conundrum
  7. Tubelab SE socket raise
  8. RH84 finish!
  9. cathode biasing question
  10. Modding an old tube amp???
  11. More snake oil
  12. simple se success!
  13. Rectifier swap out?
  14. Input impedance of tubelab simple se
  15. Capacitor tolerance
  16. Please comment my F2a SE schematic
  17. E80CC aikido
  18. Heater wiring help!
  19. Differential output stage: cap voltage?
  20. 6C41C in a PSU regulator?
  21. Filament Wiring - Shielded vs. Twisted?
  22. Transformer reflected impedance games? Overspec'd output power?
  23. SE 6V6 cathode resistor value
  24. Very strange gremlins in my phono PS
  25. which kit to build - first kit ever
  26. Does anyone know the plate reistance of a 6CW7/ECC84
  27. Shindo Claret
  28. se, srpp, pcb design criteria
  29. Looks like a promising SE build ??
  30. Apologies to Alex Kitic- RH84 Three Channel?
  31. 6L6 AB1 Push-Pull
  32. Jadis JA-30
  33. Black Gate "snubbing"
  34. New Schematic - PP UL 6V6-types, CCS-fed
  35. build up a new line amp
  36. How do you make a DHT amp REALLY HUM FREE????
  37. Experience with AnTek OPTs?
  38. 6V6 PP AB1 circuit
  39. Help with powering down a trafo
  40. Computer program for tube curves and Spice models
  41. Physical orientation of transformers
  42. Which EL34 tubes for Hi Fi
  43. Choke input power supply, capacitor ratings
  44. EL36/6CM5 SE design critique
  45. New 6F6 Amplifier Project
  46. Transformerless Tube Amp
  47. GE sealants: which to use?
  48. Bias supply and grid current
  49. US Army Russian Electronics Dictionary
  50. Speaker Pop!
  51. Steve Bench RIAA preamp users
  52. MAC free schematic drawing software?
  53. Using James JS-6123HS with EL84 SE is overkilled?
  54. Volume pot for simple se
  55. s5electronics 16ls schematic
  56. New to valve amps - given a 'project'
  57. Are there any loctal PC sockets?
  58. cheap and easy tube preamp
  59. Stereo bass problem
  60. SRS-360 East German transmitting tubes
  61. What the heck does a getter do ?
  62. Capacitor polarization help!
  63. MasterSound Tube Amplifier
  64. PC900 / EC900 curves
  65. 2x 12AX7 preamp fuse value
  66. Crackling Noise in Tube Amp (only) & PC Sound Card
  67. The Mullard 3-3
  68. Audio Research D125 Schematic?
  69. Glass B1. Need advise
  70. Eagle Library for OPT?
  71. Computing or measuring anode curves w/ CFB
  72. Northlake PT ??
  73. Greatest circuit ever (or weirdest)
  74. Advise for nervous EL84 user
  75. K-12G problems
  76. Changing AC heaters to DC
  77. Phase change when adding gain stage?
  78. XiangSheng Amplifier
  79. Grid stopper resistor for 12B4A?
  80. Lundahl LL1620 SE-OPT : Ultra linear ?
  81. Thordarson transformers
  82. Ampeg SVT cloners, chime in!
  83. Electra Print & SAC ( Silk )?
  84. Audio Transformer articles I would like copies of !
  85. K-12 with headphones?
  86. cap wire lead covers
  87. Single ended amp, EL34, KT88 ideas??
  88. Kt-66 and Simple SE
  89. Wavebourn Pyramid - VII driver stage
  90. Mysterious OPT winding tap
  91. DHT…. Get rid of the Hum Pot!
  92. Operating Amp Without Load
  93. Tube choices for Simple SE?
  94. Looking for information on old thread
  95. Tube Leveling Amplifier
  96. Anyone with knowledge of the 12b4?
  97. 7695...useful audio tube??
  98. simple se blowing rectifier and fuse
  99. PSUD - How do interpret the results?
  100. Solder station
  101. TubeLab SE blowing fuse on B+ ramp up
  102. preamp for pl504 amp
  103. Resistor after volume pot
  104. 6021 Amp project..looking for some input
  105. 807 SE project started....
  106. Fun with glow tubes, a success story
  107. OPT question
  108. Sources for Replacement Fender Filter Caps
  109. Cheap and easy vacuum impregnation
  110. How to measure mains waveform safely?
  111. Wanted - High Power, High Voltage, Audio Frequency Transformer Manual.
  112. Aikido Resistor Help
  113. Changing 6SQ7 to 6SL7 in SE amp
  114. Multi-tap OT
  115. harmon kardon a700 amp output trafo impedance
  116. An SE 813 OPT?? SP. Wound??who zat?
  117. Tube rectifier to diode
  118. The Trioderizer
  119. increasing coupling capacitor value in we 91
  120. diy SE Tube Amp
  121. Max power possible from 6L6 with 6.6k load?
  122. OPT grounding question
  123. Tubelab sse transformer wires
  124. SE sound vs Ultra Linear sound
  125. Modify & build out (2) Western Electric 300B / 2A3 Hammond monoblock amps & UTC LS-5
  126. 6N6P or E182cc spice
  127. Ecl82
  128. Zeiss Ikon Dominar L Amplifier
  129. Beginners attempt at SE 6EM7
  130. Changing 300B Tubelab SE to accomidate 50 triodes
  131. Subbing a 5751 with a 5755
  132. HELP repair a Yamaha T100C combo
  133. Sophia Electric 300B tube
  134. Screen drive and other P-P experiments
  135. Amplifier using a 833A
  136. Circuit help
  137. How much mis-match can an OT take?
  138. SE load mismatch, 8 or 6 or 4 ohms?
  139. Magnavox 196-BA => RH 84 conversion
  140. Capacitor voltage ratings
  141. 40W class A push pull amp with JJ 2A3-40w possible?
  142. "Designing tube preamplifier" article
  143. Valve Tester Guru Help
  144. 6GB5 and Variants as Screen Driven Amps
  145. Gyrator Question
  146. Suggestion Please - Curcuit Simulation & PCB Design Software
  147. Starting to understand.....
  148. Aureavox Arcana 81
  149. Impedance question
  150. spare transformer wires?
  151. Capacitors and maximum voltage ratings
  152. Do Sweep tubes Glow Blue?
  153. Any way to upgrade this circuit? (V. 40's phono amp.)
  154. About tube "matched pairs"
  155. Testing Gm without tube tester
  156. Best place to get Shuguang 300B tubes
  157. Old metal tubes
  158. LTSpice Simulation template?!
  159. 300B pushpull- A new schematic
  160. Drake transformer
  161. TL Audio VP-5051 Valve voice processor
  162. Vtl 750
  163. DC-coupling of tube stages
  164. ThermalTrak transistor application.
  165. weird old amp:need help
  166. Triode Electronics Mark III
  167. Scavenging a broken oscilloscope to turn it into a preamp ?
  168. Silmic caps in cathode bias. Any experience?
  169. Scott LK150 transformer
  170. With the Simple SE I lost 20lbs w/o diet or excercise and I feel great!
  171. Tube Amp / Pre-amp kit?
  172. anything that can go as a Rp.....
  173. Genelex gold lion el84 reissue - ARCING
  174. diy Ampeg preamp
  175. Bias Current Mythbuster?
  176. Exactness of feedback capacitors?
  177. 5608a
  178. You know that you are having a bad day when.......
  179. 1U5 amplifier design, Newbie
  180. 12AU7 Pre-amp Schematic Question
  181. Capacitor Question...
  182. Beam pentodes and suppressor-grid pentodes of same type
  183. Quick question about CT and FWB
  184. 46 and the Tubelab SE
  185. Frank's 6SN7 line stage / preamp with GlassWare PS-1?
  186. knobs, lights and switches?
  187. SimpleSE OP Hammond bigger than the 125ESE
  188. Speaker impedance linearisation
  189. Differential filter circuit: biasing problem
  190. Curves for 12AH7
  191. Schematic for Audio Note Japan Kassai
  192. Help with schematic understanding
  193. SEPP output transformer
  194. Fixed bias design question
  195. Strange bias circuit. WTF?
  196. 5687 preamp transformer
  197. Anyone know of a dual pentode suitable for a LTP.
  198. Output transformer current and power ratings
  199. Diodes to protect OT's..
  200. Simple SE: ???Dumb Tube Rectifier question???
  201. Speakers for tube amps
  202. Help on power supply
  203. Line output transformer question
  204. Solid vs stranded wire in amplifier circuits
  205. Screen Drive Push Pull ideas
  206. 12AT7/46 Direct Reactance Drive Amp
  207. Bridge rectifier vs Full wave rectifier
  208. Isolation Transformer Question
  209. Glow tubes as series regs ?
  210. Glow tube shunt reg stability
  211. Some interesting reading about Sweep tubes
  212. What is this?
  213. What's A "Timber bulb"?
  214. aikido/807PSE and local feedback
  215. Repairing paper in oil caps.
  216. Optoisolator compressor ideas
  217. Airgap for filament transformer ?
  218. Tube stereo for E 60 including TDA1541 cd player
  219. Bad Boy amplifier Tubelab.com style
  220. is there a typo in the Tubelab SE schematic?
  221. Theta Amp problem
  222. 12A_7 vs 6SN7EH vs EF86?
  223. Mixing two channels in the preamp or at the phase splitter?
  224. amp input cap for crossover
  225. Audio Transformer/Cathode Feedback Info
  226. Determining cathode resistor
  227. Tube Pin Schematic Question
  228. Simple SE blowing fuses
  229. Best looking tube?
  230. Identifying Stancor Power transformers
  231. HT crowbar
  232. "Bevois Valley" in triode, what to do with the feedback?
  233. Purple Glow
  234. When to use a grid leak resistor?
  235. Mcintosh MA 2275
  236. Marshall 18W clone (sort of)
  237. Cathode feedback on the simple SE
  238. Blowing output transformer
  239. Kenwood KW-44 hum
  240. Tube system for classical audio
  241. Novel method to reduce filament hum in SE Amp?
  242. Help with 6SN7 w/ CCS
  243. Fisher X-101-D
  244. best tube (not amp)
  245. Simple SE Cap and layout questions???
  246. Simple SE - one channel intermittent problem
  247. ML4/ML6 British triode
  248. transformer rubbish
  249. Identifying output transformer leads
  250. Grounding Aikido and F4

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