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  1. My Simple SE via Akihabara
  2. Power-On Time Delay Circuit
  3. GM-70 Build Issues
  4. Blue glass inside tubes
  5. Ruby Tuesdays
  6. Wich valve to start?
  7. Tubes that have round/curved plates. . .
  8. Calculating current capacity?
  9. AKAI 1710W R2R, OPT Question?
  10. Ringed Tube Grills / Guards ?
  11. Recommend me a warm, smooth sounding 6922, 6DJ8, ECC88 or equivalent
  12. Please help identify this tube - Shuguang 6922?
  13. Dedicated 6.3v filament transformer 240v primary
  14. can someone check this thread please
  15. Amp refurbishing question.....
  16. Tube mounting position
  17. 6N6P - recommended operating point
  18. Interstage transformer questions
  19. Help identifying resistor value
  20. New Audio Note M10
  21. K501 vs K12M
  22. what are these (i hope cheap) resistors ?
  23. Potentiometer value for 6SL7 input
  24. PSU Designer II question
  25. Lost Thread-High VOltage Regulated Power Supply
  26. 6B4G schematic - opinions please!!
  27. Plate current Question
  28. rh84 bias question.
  29. On/off LED wiring question
  30. Stabilized wood
  31. Heater to Cathode max voltage specs, including signal swings?
  32. Any 9- pin rectifier tubes with separate cathodes?
  33. Final checkout problems with Tubelab SE
  34. 6G-A4 anyone have a datasheet?
  35. Bias Protection Resistors in DC Coupled Amp
  36. EL84 push pull
  37. pcb printing companies
  38. Help! tube amp burnt?
  39. 43% UL connections
  40. Help with CATHODE resistor value on 6BM8 PP Amp
  41. SE EL34 schematic HELP: from two 6SL7's to One?
  42. no choke and transformers ratings
  43. Value of Resistors of EL34
  44. bass preamp redux
  45. Power Transformer spec questions. Will it work or burn up?
  46. These Hong Kong amps have me bummed
  47. Looking for a cheap dual pentode
  48. Adding panel meters to Simple SE?
  49. Building a 12B4 Line Stage
  50. Speaker sounds blown...but isn't
  51. Static noise in K-16LS
  52. Scratchy clicky noise coming from homemade 6L6 tube amp
  53. Rowe AMI jukebox amp
  54. Does this power supply make any sense to you?
  55. Zener Diode Question
  56. 829B as LTP?
  57. Need a little help with Aikido 6n1p/6n6p
  58. Power switch location..
  59. Mini Millet (starving student) and iPod??
  60. valve preamp for quad 303
  61. Paging Wavebourn - article on Russian caps...
  62. I'm about to drive a stake thru the heart of my Aikido linestage
  63. questions on Mikael Abdellah circuit optimized for EL34 triode operation
  64. Model 16LS Stereo Integrated Tube Amplifier
  65. hum on pre-amp when volume is turned up
  66. 813 RCA amplifier - 25w, class A1, single ended,2 tubes,Rout~1ohm
  67. Interesting circuit, filter question.
  68. Choke Voltage ratings
  69. Hole drills
  70. Major amp circuit redesign- need some expert advice
  71. Daft Hybrid Amp
  72. 6n18-v tube amp
  73. Old big/long plate 12AX7's & 12AT7's
  74. in progress
  75. JTM45 clone
  76. A good tube amplifier power supply
  77. Anyone compared electra-print SE:PP interstages to electra-print PSA-2 autoformers
  78. El34 Se
  79. Question on choke
  80. Simple SE output transformer: James or Edcor?
  81. Looking for beter EL34/6CA7 tubes for C-J MV55 amp
  82. SET tube replacement
  83. Some kind of buffer/preamp for my SS guitar amp fx loop
  84. VALVOLOZZO triode amp with toroids output trafo...help me
  85. Old amp kit making noise and its getting OLD.
  86. Another Tube pre query !
  87. Simple SE aux capacitor
  88. do 6h30 glow at the top only
  89. canadian source for triad choke?
  90. Fork vs. Sleeve Terminal Octal Sockets.
  91. Step down grid choke vs. interstage transformer
  92. Who knows James 6123HS parameters? Or where to ask
  93. Advantage of a FET-BJT CCS vs BJT only
  94. Question - PCB Design with Multisim/Ultiboard
  95. Trouble choke loading tube in regulated supply
  96. PSUD newbie: modeling Tubelab SE
  97. Bassman Schematic Alterations
  98. Fixed Bias adjustment
  99. web resource for tube pricing?
  100. Need help on Kenwood KR 7070
  101. 110v or 220v, how can you tell?
  102. Calling UK builders Simple SE, Pre & Phono advice
  103. Stoked about new volume control for my Simple SE
  104. Tubes Down Under...
  105. To anyone using 808s
  106. Grounded power supply cord on a transformerless amp ?
  107. Documenting SimpleSE FRED Problem
  108. PP KT88 Mono blocks?
  109. Looking for 6.3V 1A ccs heater supply for dht
  110. testing for the ratios on old opt's
  111. Any Transformer Winders?
  112. Output trans plate load question 5687 vs 5965
  113. KT88 triode strapped question
  114. 6528/8080 Triode - NOS Only ???
  115. Opinions gratefully recieved.
  116. Wiring Power Transformer in Parallel
  117. Is there a best location for a volume control?
  118. bass guitar preamp
  119. P2P vs PCB
  120. Help on EL84 / ecc83 SE project -very low volume
  121. 4E27 Triode connection SPICE model
  122. 300B driving 845
  123. Breaking in your tubes?
  124. 6SN7 equivalents in B9A
  125. Figuring out how many watts I need
  126. How do I tell whether a different replacement output transformer will be ok?
  127. OPT linestage question
  128. 6AS7 preamp buffer
  129. Where to put the MV ?
  130. 5u4g input capacitor
  131. Chassis metal advantages/disadvantages?
  132. Experience please: Tung-Sol 6L6GC STR
  133. Transformer winding resistances
  134. Capacitor Voltage Rating Question
  135. Oh my where to begin!? PTP related question.
  136. tube bayonet pin gone.
  137. Attn: Glass_painter - Pioneer SM-83 Transformers Dissected
  138. Please help ID this DIY tube monoblocks
  139. Amp thinks it's a receiver ??
  140. Anyone remember heathkit s99?
  141. Blue Voodoo Solid State Rects to Tube Rects?
  142. Renovation of fifty years old tube amplifier
  143. Big Boss: a simple and basic el84 PP amp in progress
  144. Line Stage for Mikael SE KT88
  145. DIY tube guitar amp oscillating, please help!
  146. Philips EL3536
  147. Tube Tester's
  148. Counterpoint SA-5000 P.S.U part identification needed
  149. 6GU7 in an Aikido?
  150. suggest about 9002/vt202 preamp please
  151. 7591a Alternatives
  152. tube rectifier plug in s-s replacement
  153. Oscillation in tube amps
  154. simple se cathode resistor question
  155. 6GT5 audio amp?
  156. How can a resistor "sound" good?
  157. Pin numbering, viewed from bottom or top?
  158. The Hybrid Class A amplifier
  159. 485V Regulated Power Supply
  160. 0B3 Glows Orange
  161. New Reissue tubes...Good/Bad???
  162. PP amp design , your thoughts please.
  163. Aikido + Phono section preamp
  164. Newcomb el84 amp
  165. Any Australians want to share shipping for valves from ESRC?
  166. 5718 Nuvistor ?
  167. Trimmer pot source?
  168. Pentode Miller Capacitance, and which spec value to use?
  169. Brother can you spare a preamp design?
  170. Reducing tremolo beating
  171. Russian tube equivelants
  172. Another question about russian tubes
  173. Why match tubes?
  174. My XPP OTL Headphoneamp
  175. Joining the Tubelab SE club
  176. Simple heater question
  177. Fender always taking care of tubes....
  178. Need small SET transformer (12B4)
  179. Red Hot 6L6GC
  180. How do these curves look?
  181. Why does lowering screen voltage reduce headroom?
  182. Class A2 Direct MOSFET Coupled SE
  183. Volume Surges Fender "The Twin" - transformer going?
  184. simple SE questions
  185. Best tubes for ~100w 1.9k p-p?
  186. Installing bleeding resistors
  187. Capacitor Comparison Conundrum
  188. Tubelab SE socket raise
  189. RH84 finish!
  190. cathode biasing question
  191. Modding an old tube amp???
  192. More snake oil
  193. simple se success!
  194. Rectifier swap out?
  195. Input impedance of tubelab simple se
  196. Capacitor tolerance
  197. Please comment my F2a SE schematic
  198. E80CC aikido
  199. Heater wiring help!
  200. Differential output stage: cap voltage?
  201. 6C41C in a PSU regulator?
  202. Filament Wiring - Shielded vs. Twisted?
  203. Transformer reflected impedance games? Overspec'd output power?
  204. SE 6V6 cathode resistor value
  205. Very strange gremlins in my phono PS
  206. which kit to build - first kit ever
  207. Does anyone know the plate reistance of a 6CW7/ECC84
  208. Shindo Claret
  209. se, srpp, pcb design criteria
  210. Looks like a promising SE build ??
  211. Apologies to Alex Kitic- RH84 Three Channel?
  212. 6L6 AB1 Push-Pull
  213. Jadis JA-30
  214. Black Gate "snubbing"
  215. New Schematic - PP UL 6V6-types, CCS-fed
  216. build up a new line amp
  217. How do you make a DHT amp REALLY HUM FREE????
  218. Experience with AnTek OPTs?
  219. 6V6 PP AB1 circuit
  220. Help with powering down a trafo
  221. Computer program for tube curves and Spice models
  222. Physical orientation of transformers
  223. Which EL34 tubes for Hi Fi
  224. Choke input power supply, capacitor ratings
  225. EL36/6CM5 SE design critique
  226. New 6F6 Amplifier Project
  227. Transformerless Tube Amp
  228. GE sealants: which to use?
  229. Bias supply and grid current
  230. US Army Russian Electronics Dictionary
  231. Speaker Pop!
  232. Steve Bench RIAA preamp users
  233. MAC free schematic drawing software?
  234. Using James JS-6123HS with EL84 SE is overkilled?
  235. Volume pot for simple se
  236. s5electronics 16ls schematic
  237. New to valve amps - given a 'project'
  238. Are there any loctal PC sockets?
  239. cheap and easy tube preamp
  240. Stereo bass problem
  241. SRS-360 East German transmitting tubes
  242. What the heck does a getter do ?
  243. Capacitor polarization help!
  244. MasterSound Tube Amplifier
  245. PC900 / EC900 curves
  246. 2x 12AX7 preamp fuse value
  247. Crackling Noise in Tube Amp (only) & PC Sound Card
  248. The Mullard 3-3
  249. Audio Research D125 Schematic?
  250. Glass B1. Need advise

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