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  1. Potentiometer value for 6SL7 input
  2. PSU Designer II question
  3. Lost Thread-High VOltage Regulated Power Supply
  4. 6B4G schematic - opinions please!!
  5. Plate current Question
  6. rh84 bias question.
  7. On/off LED wiring question
  8. Stabilized wood
  9. Heater to Cathode max voltage specs, including signal swings?
  10. Any 9- pin rectifier tubes with separate cathodes?
  11. Final checkout problems with Tubelab SE
  12. 6G-A4 anyone have a datasheet?
  13. Bias Protection Resistors in DC Coupled Amp
  14. EL84 push pull
  15. pcb printing companies
  16. Help! tube amp burnt?
  17. 43% UL connections
  18. Help with CATHODE resistor value on 6BM8 PP Amp
  19. SE EL34 schematic HELP: from two 6SL7's to One?
  20. no choke and transformers ratings
  21. Value of Resistors of EL34
  22. bass preamp redux
  23. Power Transformer spec questions. Will it work or burn up?
  24. These Hong Kong amps have me bummed
  25. Looking for a cheap dual pentode
  26. Adding panel meters to Simple SE?
  27. Building a 12B4 Line Stage
  28. Speaker sounds blown...but isn't
  29. Static noise in K-16LS
  30. Scratchy clicky noise coming from homemade 6L6 tube amp
  31. Rowe AMI jukebox amp
  32. Does this power supply make any sense to you?
  33. Zener Diode Question
  34. 829B as LTP?
  35. Need a little help with Aikido 6n1p/6n6p
  36. Power switch location..
  37. Mini Millet (starving student) and iPod??
  38. valve preamp for quad 303
  39. Paging Wavebourn - article on Russian caps...
  40. I'm about to drive a stake thru the heart of my Aikido linestage
  41. questions on Mikael Abdellah circuit optimized for EL34 triode operation
  42. Model 16LS Stereo Integrated Tube Amplifier
  43. hum on pre-amp when volume is turned up
  44. 813 RCA amplifier - 25w, class A1, single ended,2 tubes,Rout~1ohm
  45. Interesting circuit, filter question.
  46. Choke Voltage ratings
  47. Hole drills
  48. Major amp circuit redesign- need some expert advice
  49. Daft Hybrid Amp
  50. 6n18-v tube amp
  51. Old big/long plate 12AX7's & 12AT7's
  52. in progress
  53. JTM45 clone
  54. A good tube amplifier power supply
  55. Anyone compared electra-print SE:PP interstages to electra-print PSA-2 autoformers
  56. El34 Se
  57. Question on choke
  58. Simple SE output transformer: James or Edcor?
  59. Looking for beter EL34/6CA7 tubes for C-J MV55 amp
  60. SET tube replacement
  61. Some kind of buffer/preamp for my SS guitar amp fx loop
  62. VALVOLOZZO triode amp with toroids output trafo...help me
  63. Old amp kit making noise and its getting OLD.
  64. Another Tube pre query !
  65. Simple SE aux capacitor
  66. do 6h30 glow at the top only
  67. canadian source for triad choke?
  68. Fork vs. Sleeve Terminal Octal Sockets.
  69. Step down grid choke vs. interstage transformer
  70. Who knows James 6123HS parameters? Or where to ask
  71. Advantage of a FET-BJT CCS vs BJT only
  72. Question - PCB Design with Multisim/Ultiboard
  73. Trouble choke loading tube in regulated supply
  74. PSUD newbie: modeling Tubelab SE
  75. Bassman Schematic Alterations
  76. Fixed Bias adjustment
  77. web resource for tube pricing?
  78. Need help on Kenwood KR 7070
  79. 110v or 220v, how can you tell?
  80. Calling UK builders Simple SE, Pre & Phono advice
  81. Stoked about new volume control for my Simple SE
  82. Tubes Down Under...
  83. To anyone using 808s
  84. Grounded power supply cord on a transformerless amp ?
  85. Documenting SimpleSE FRED Problem
  86. PP KT88 Mono blocks?
  87. Looking for 6.3V 1A ccs heater supply for dht
  88. testing for the ratios on old opt's
  89. Any Transformer Winders?
  90. Output trans plate load question 5687 vs 5965
  91. KT88 triode strapped question
  92. 6528/8080 Triode - NOS Only ???
  93. Opinions gratefully recieved.
  94. Wiring Power Transformer in Parallel
  95. Is there a best location for a volume control?
  96. bass guitar preamp
  97. P2P vs PCB
  98. Help on EL84 / ecc83 SE project -very low volume
  99. 4E27 Triode connection SPICE model
  100. 300B driving 845
  101. Breaking in your tubes?
  102. 6SN7 equivalents in B9A
  103. Figuring out how many watts I need
  104. How do I tell whether a different replacement output transformer will be ok?
  105. OPT linestage question
  106. 6AS7 preamp buffer
  107. Where to put the MV ?
  108. 5u4g input capacitor
  109. Chassis metal advantages/disadvantages?
  110. Experience please: Tung-Sol 6L6GC STR
  111. Transformer winding resistances
  112. Capacitor Voltage Rating Question
  113. Oh my where to begin!? PTP related question.
  114. tube bayonet pin gone.
  115. Attn: Glass_painter - Pioneer SM-83 Transformers Dissected
  116. Please help ID this DIY tube monoblocks
  117. Amp thinks it's a receiver ??
  118. Anyone remember heathkit s99?
  119. Blue Voodoo Solid State Rects to Tube Rects?
  120. Renovation of fifty years old tube amplifier
  121. Big Boss: a simple and basic el84 PP amp in progress
  122. Line Stage for Mikael SE KT88
  123. DIY tube guitar amp oscillating, please help!
  124. Philips EL3536
  125. Tube Tester's
  126. Counterpoint SA-5000 P.S.U part identification needed
  127. 6GU7 in an Aikido?
  128. suggest about 9002/vt202 preamp please
  129. 7591a Alternatives
  130. tube rectifier plug in s-s replacement
  131. Oscillation in tube amps
  132. simple se cathode resistor question
  133. 6GT5 audio amp?
  134. How can a resistor "sound" good?
  135. Pin numbering, viewed from bottom or top?
  136. The Hybrid Class A amplifier
  137. 485V Regulated Power Supply
  138. 0B3 Glows Orange
  139. New Reissue tubes...Good/Bad???
  140. PP amp design , your thoughts please.
  141. Aikido + Phono section preamp
  142. Newcomb el84 amp
  143. Any Australians want to share shipping for valves from ESRC?
  144. 5718 Nuvistor ?
  145. Trimmer pot source?
  146. Pentode Miller Capacitance, and which spec value to use?
  147. Brother can you spare a preamp design?
  148. Reducing tremolo beating
  149. Russian tube equivelants
  150. Another question about russian tubes
  151. Why match tubes?
  152. My XPP OTL Headphoneamp
  153. Joining the Tubelab SE club
  154. Simple heater question
  155. Fender always taking care of tubes....
  156. Need small SET transformer (12B4)
  157. Red Hot 6L6GC
  158. How do these curves look?
  159. Why does lowering screen voltage reduce headroom?
  160. Class A2 Direct MOSFET Coupled SE
  161. Volume Surges Fender "The Twin" - transformer going?
  162. simple SE questions
  163. Best tubes for ~100w 1.9k p-p?
  164. Installing bleeding resistors
  165. Capacitor Comparison Conundrum
  166. Tubelab SE socket raise
  167. RH84 finish!
  168. cathode biasing question
  169. Modding an old tube amp???
  170. More snake oil
  171. simple se success!
  172. Rectifier swap out?
  173. Input impedance of tubelab simple se
  174. Capacitor tolerance
  175. Please comment my F2a SE schematic
  176. E80CC aikido
  177. Heater wiring help!
  178. Differential output stage: cap voltage?
  179. 6C41C in a PSU regulator?
  180. Filament Wiring - Shielded vs. Twisted?
  181. Transformer reflected impedance games? Overspec'd output power?
  182. SE 6V6 cathode resistor value
  183. Very strange gremlins in my phono PS
  184. which kit to build - first kit ever
  185. Does anyone know the plate reistance of a 6CW7/ECC84
  186. Shindo Claret
  187. se, srpp, pcb design criteria
  188. Looks like a promising SE build ??
  189. Apologies to Alex Kitic- RH84 Three Channel?
  190. 6L6 AB1 Push-Pull
  191. Jadis JA-30
  192. Black Gate "snubbing"
  193. New Schematic - PP UL 6V6-types, CCS-fed
  194. build up a new line amp
  195. How do you make a DHT amp REALLY HUM FREE????
  196. Experience with AnTek OPTs?
  197. 6V6 PP AB1 circuit
  198. Help with powering down a trafo
  199. Computer program for tube curves and Spice models
  200. Some help/advice with a guitar amp layout.
  201. Physical orientation of transformers
  202. Which EL34 tubes for Hi Fi
  203. Choke input power supply, capacitor ratings
  204. EL36/6CM5 SE design critique
  205. New 6F6 Amplifier Project
  206. Transformerless Tube Amp
  207. GE sealants: which to use?
  208. Bias supply and grid current
  209. US Army Russian Electronics Dictionary
  210. Speaker Pop!
  211. Steve Bench RIAA preamp users
  212. MAC free schematic drawing software?
  213. Using James JS-6123HS with EL84 SE is overkilled?
  214. Volume pot for simple se
  215. s5electronics 16ls schematic
  216. New to valve amps - given a 'project'
  217. Are there any loctal PC sockets?
  218. cheap and easy tube preamp
  219. Stereo bass problem
  220. SRS-360 East German transmitting tubes
  221. What the heck does a getter do ?
  222. Capacitor polarization help!
  223. MasterSound Tube Amplifier
  224. PC900 / EC900 curves
  225. 2x 12AX7 preamp fuse value
  226. Crackling Noise in Tube Amp (only) & PC Sound Card
  227. The Mullard 3-3
  228. Audio Research D125 Schematic?
  229. Glass B1. Need advise
  230. Eagle Library for OPT?
  231. Computing or measuring anode curves w/ CFB
  232. Northlake PT ??
  233. Greatest circuit ever (or weirdest)
  234. Advise for nervous EL84 user
  235. K-12G problems
  236. Changing AC heaters to DC
  237. Phase change when adding gain stage?
  238. XiangSheng Amplifier
  239. Grid stopper resistor for 12B4A?
  240. Lundahl LL1620 SE-OPT : Ultra linear ?
  241. Thordarson transformers
  242. Ampeg SVT cloners, chime in!
  243. Electra Print & SAC ( Silk )?
  244. Audio Transformer articles I would like copies of !
  245. K-12 with headphones?
  246. cap wire lead covers
  247. Single ended amp, EL34, KT88 ideas??
  248. Kt-66 and Simple SE
  249. Wavebourn Pyramid - VII driver stage
  250. Mysterious OPT winding tap

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