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  1. Who knows James 6123HS parameters? Or where to ask
  2. Advantage of a FET-BJT CCS vs BJT only
  3. Question - PCB Design with Multisim/Ultiboard
  4. Trouble choke loading tube in regulated supply
  5. PSUD newbie: modeling Tubelab SE
  6. Bassman Schematic Alterations
  7. Fixed Bias adjustment
  8. web resource for tube pricing?
  9. Need help on Kenwood KR 7070
  10. 110v or 220v, how can you tell?
  11. Calling UK builders Simple SE, Pre & Phono advice
  12. Stoked about new volume control for my Simple SE
  13. Tubes Down Under...
  14. To anyone using 808s
  15. Grounded power supply cord on a transformerless amp ?
  16. Documenting SimpleSE FRED Problem
  17. PP KT88 Mono blocks?
  18. Looking for 6.3V 1A ccs heater supply for dht
  19. testing for the ratios on old opt's
  20. Any Transformer Winders?
  21. Output trans plate load question 5687 vs 5965
  22. KT88 triode strapped question
  23. 6528/8080 Triode - NOS Only ???
  24. Opinions gratefully recieved.
  25. Wiring Power Transformer in Parallel
  26. Is there a best location for a volume control?
  27. bass guitar preamp
  28. P2P vs PCB
  29. Help on EL84 / ecc83 SE project -very low volume
  30. 4E27 Triode connection SPICE model
  31. 300B driving 845
  32. Breaking in your tubes?
  33. 6SN7 equivalents in B9A
  34. Figuring out how many watts I need
  35. How do I tell whether a different replacement output transformer will be ok?
  36. OPT linestage question
  37. 6AS7 preamp buffer
  38. Where to put the MV ?
  39. 5u4g input capacitor
  40. Chassis metal advantages/disadvantages?
  41. Experience please: Tung-Sol 6L6GC STR
  42. Transformer winding resistances
  43. Capacitor Voltage Rating Question
  44. Oh my where to begin!? PTP related question.
  45. tube bayonet pin gone.
  46. Attn: Glass_painter - Pioneer SM-83 Transformers Dissected
  47. Please help ID this DIY tube monoblocks
  48. Amp thinks it's a receiver ??
  49. Anyone remember heathkit s99?
  50. Blue Voodoo Solid State Rects to Tube Rects?
  51. Renovation of fifty years old tube amplifier
  52. Big Boss: a simple and basic el84 PP amp in progress
  53. Line Stage for Mikael SE KT88
  54. DIY tube guitar amp oscillating, please help!
  55. Philips EL3536
  56. Tube Tester's
  57. Counterpoint SA-5000 P.S.U part identification needed
  58. 6GU7 in an Aikido?
  59. suggest about 9002/vt202 preamp please
  60. 7591a Alternatives
  61. tube rectifier plug in s-s replacement
  62. Oscillation in tube amps
  63. simple se cathode resistor question
  64. 6GT5 audio amp?
  65. How can a resistor "sound" good?
  66. Pin numbering, viewed from bottom or top?
  67. The Hybrid Class A amplifier
  68. 485V Regulated Power Supply
  69. 0B3 Glows Orange
  70. New Reissue tubes...Good/Bad???
  71. PP amp design , your thoughts please.
  72. Aikido + Phono section preamp
  73. Newcomb el84 amp
  74. Any Australians want to share shipping for valves from ESRC?
  75. 5718 Nuvistor ?
  76. Trimmer pot source?
  77. Pentode Miller Capacitance, and which spec value to use?
  78. Brother can you spare a preamp design?
  79. Reducing tremolo beating
  80. Russian tube equivelants
  81. Another question about russian tubes
  82. Why match tubes?
  83. My XPP OTL Headphoneamp
  84. Joining the Tubelab SE club
  85. Simple heater question
  86. Fender always taking care of tubes....
  87. Need small SET transformer (12B4)
  88. Red Hot 6L6GC
  89. How do these curves look?
  90. Why does lowering screen voltage reduce headroom?
  91. Class A2 Direct MOSFET Coupled SE
  92. Volume Surges Fender "The Twin" - transformer going?
  93. simple SE questions
  94. Best tubes for ~100w 1.9k p-p?
  95. Installing bleeding resistors
  96. Capacitor Comparison Conundrum
  97. Tubelab SE socket raise
  98. RH84 finish!
  99. cathode biasing question
  100. Modding an old tube amp???
  101. More snake oil
  102. simple se success!
  103. Rectifier swap out?
  104. Input impedance of tubelab simple se
  105. Capacitor tolerance
  106. Please comment my F2a SE schematic
  107. E80CC aikido
  108. Heater wiring help!
  109. Differential output stage: cap voltage?
  110. 6C41C in a PSU regulator?
  111. Filament Wiring - Shielded vs. Twisted?
  112. Transformer reflected impedance games? Overspec'd output power?
  113. SE 6V6 cathode resistor value
  114. Very strange gremlins in my phono PS
  115. which kit to build - first kit ever
  116. Does anyone know the plate reistance of a 6CW7/ECC84
  117. Shindo Claret
  118. se, srpp, pcb design criteria
  119. Looks like a promising SE build ??
  120. Apologies to Alex Kitic- RH84 Three Channel?
  121. 6L6 AB1 Push-Pull
  122. Jadis JA-30
  123. Black Gate "snubbing"
  124. New Schematic - PP UL 6V6-types, CCS-fed
  125. build up a new line amp
  126. How do you make a DHT amp REALLY HUM FREE????
  127. Experience with AnTek OPTs?
  128. 6V6 PP AB1 circuit
  129. Help with powering down a trafo
  130. Computer program for tube curves and Spice models
  131. Physical orientation of transformers
  132. Which EL34 tubes for Hi Fi
  133. Choke input power supply, capacitor ratings
  134. EL36/6CM5 SE design critique
  135. New 6F6 Amplifier Project
  136. Transformerless Tube Amp
  137. GE sealants: which to use?
  138. Bias supply and grid current
  139. US Army Russian Electronics Dictionary
  140. Speaker Pop!
  141. Steve Bench RIAA preamp users
  142. MAC free schematic drawing software?
  143. Using James JS-6123HS with EL84 SE is overkilled?
  144. Volume pot for simple se
  145. s5electronics 16ls schematic
  146. New to valve amps - given a 'project'
  147. Are there any loctal PC sockets?
  148. cheap and easy tube preamp
  149. Stereo bass problem
  150. SRS-360 East German transmitting tubes
  151. What the heck does a getter do ?
  152. Capacitor polarization help!
  153. MasterSound Tube Amplifier
  154. PC900 / EC900 curves
  155. 2x 12AX7 preamp fuse value
  156. Crackling Noise in Tube Amp (only) & PC Sound Card
  157. The Mullard 3-3
  158. Audio Research D125 Schematic?
  159. Glass B1. Need advise
  160. Eagle Library for OPT?
  161. Computing or measuring anode curves w/ CFB
  162. Northlake PT ??
  163. Greatest circuit ever (or weirdest)
  164. Advise for nervous EL84 user
  165. K-12G problems
  166. Changing AC heaters to DC
  167. Phase change when adding gain stage?
  168. XiangSheng Amplifier
  169. Grid stopper resistor for 12B4A?
  170. Lundahl LL1620 SE-OPT : Ultra linear ?
  171. Thordarson transformers
  172. Ampeg SVT cloners, chime in!
  173. Electra Print & SAC ( Silk )?
  174. Audio Transformer articles I would like copies of !
  175. K-12 with headphones?
  176. cap wire lead covers
  177. Single ended amp, EL34, KT88 ideas??
  178. Kt-66 and Simple SE
  179. Wavebourn Pyramid - VII driver stage
  180. Mysterious OPT winding tap
  181. DHT…. Get rid of the Hum Pot!
  182. Operating Amp Without Load
  183. Tube choices for Simple SE?
  184. Looking for information on old thread
  185. Tube Leveling Amplifier
  186. Anyone with knowledge of the 12b4?
  187. 7695...useful audio tube??
  188. simple se blowing rectifier and fuse
  189. PSUD - How do interpret the results?
  190. Solder station
  191. TubeLab SE blowing fuse on B+ ramp up
  192. preamp for pl504 amp
  193. Resistor after volume pot
  194. 6021 Amp project..looking for some input
  195. 807 SE project started....
  196. Fun with glow tubes, a success story
  197. OPT question
  198. Sources for Replacement Fender Filter Caps
  199. Cheap and easy vacuum impregnation
  200. How to measure mains waveform safely?
  201. Wanted - High Power, High Voltage, Audio Frequency Transformer Manual.
  202. Aikido Resistor Help
  203. Changing 6SQ7 to 6SL7 in SE amp
  204. Multi-tap OT
  205. harmon kardon a700 amp output trafo impedance
  206. An SE 813 OPT?? SP. Wound??who zat?
  207. Tube rectifier to diode
  208. The Trioderizer
  209. increasing coupling capacitor value in we 91
  210. diy SE Tube Amp
  211. Max power possible from 6L6 with 6.6k load?
  212. OPT grounding question
  213. Tubelab sse transformer wires
  214. SE sound vs Ultra Linear sound
  215. Modify & build out (2) Western Electric 300B / 2A3 Hammond monoblock amps & UTC LS-5
  216. 6N6P or E182cc spice
  217. Ecl82
  218. Zeiss Ikon Dominar L Amplifier
  219. Beginners attempt at SE 6EM7
  220. Changing 300B Tubelab SE to accomidate 50 triodes
  221. Subbing a 5751 with a 5755
  222. HELP repair a Yamaha T100C combo
  223. Sophia Electric 300B tube
  224. Screen drive and other P-P experiments
  225. Amplifier using a 833A
  226. Circuit help
  227. How much mis-match can an OT take?
  228. SE load mismatch, 8 or 6 or 4 ohms?
  229. Magnavox 196-BA => RH 84 conversion
  230. Capacitor voltage ratings
  231. 40W class A push pull amp with JJ 2A3-40w possible?
  232. "Designing tube preamplifier" article
  233. Valve Tester Guru Help
  234. 6GB5 and Variants as Screen Driven Amps
  235. Gyrator Question
  236. Suggestion Please - Curcuit Simulation & PCB Design Software
  237. Starting to understand.....
  238. Aureavox Arcana 81
  239. Impedance question
  240. spare transformer wires?
  241. Capacitors and maximum voltage ratings
  242. Do Sweep tubes Glow Blue?
  243. Any way to upgrade this circuit? (V. 40's phono amp.)
  244. About tube "matched pairs"
  245. Testing Gm without tube tester
  246. Best place to get Shuguang 300B tubes
  247. Old metal tubes
  248. LTSpice Simulation template?!
  249. 300B pushpull- A new schematic
  250. Drake transformer

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