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  1. Recommend me a warm, smooth sounding 6922, 6DJ8, ECC88 or equivalent
  2. Please help identify this tube - Shuguang 6922?
  3. Dedicated 6.3v filament transformer 240v primary
  4. can someone check this thread please
  5. Amp refurbishing question.....
  6. Tube mounting position
  7. 6N6P - recommended operating point
  8. Interstage transformer questions
  9. Help identifying resistor value
  10. New Audio Note M10
  11. K501 vs K12M
  12. what are these (i hope cheap) resistors ?
  13. Potentiometer value for 6SL7 input
  14. PSU Designer II question
  15. Lost Thread-High VOltage Regulated Power Supply
  16. 6B4G schematic - opinions please!!
  17. Plate current Question
  18. rh84 bias question.
  19. On/off LED wiring question
  20. Stabilized wood
  21. Heater to Cathode max voltage specs, including signal swings?
  22. Any 9- pin rectifier tubes with separate cathodes?
  23. Final checkout problems with Tubelab SE
  24. 6G-A4 anyone have a datasheet?
  25. Bias Protection Resistors in DC Coupled Amp
  26. EL84 push pull
  27. pcb printing companies
  28. Help! tube amp burnt?
  29. 43% UL connections
  30. Help with CATHODE resistor value on 6BM8 PP Amp
  31. SE EL34 schematic HELP: from two 6SL7's to One?
  32. no choke and transformers ratings
  33. Value of Resistors of EL34
  34. bass preamp redux
  35. Power Transformer spec questions. Will it work or burn up?
  36. These Hong Kong amps have me bummed
  37. Looking for a cheap dual pentode
  38. Adding panel meters to Simple SE?
  39. Building a 12B4 Line Stage
  40. Speaker sounds blown...but isn't
  41. Static noise in K-16LS
  42. Scratchy clicky noise coming from homemade 6L6 tube amp
  43. Rowe AMI jukebox amp
  44. Does this power supply make any sense to you?
  45. Zener Diode Question
  46. 829B as LTP?
  47. Need a little help with Aikido 6n1p/6n6p
  48. Power switch location..
  49. Mini Millet (starving student) and iPod??
  50. valve preamp for quad 303
  51. Paging Wavebourn - article on Russian caps...
  52. I'm about to drive a stake thru the heart of my Aikido linestage
  53. questions on Mikael Abdellah circuit optimized for EL34 triode operation
  54. Model 16LS Stereo Integrated Tube Amplifier
  55. hum on pre-amp when volume is turned up
  56. 813 RCA amplifier - 25w, class A1, single ended,2 tubes,Rout~1ohm
  57. Interesting circuit, filter question.
  58. Choke Voltage ratings
  59. Hole drills
  60. Major amp circuit redesign- need some expert advice
  61. Daft Hybrid Amp
  62. 6n18-v tube amp
  63. Old big/long plate 12AX7's & 12AT7's
  64. in progress
  65. JTM45 clone
  66. A good tube amplifier power supply
  67. Anyone compared electra-print SE:PP interstages to electra-print PSA-2 autoformers
  68. El34 Se
  69. Question on choke
  70. Simple SE output transformer: James or Edcor?
  71. Looking for beter EL34/6CA7 tubes for C-J MV55 amp
  72. SET tube replacement
  73. Some kind of buffer/preamp for my SS guitar amp fx loop
  74. VALVOLOZZO triode amp with toroids output trafo...help me
  75. Old amp kit making noise and its getting OLD.
  76. Another Tube pre query !
  77. Simple SE aux capacitor
  78. do 6h30 glow at the top only
  79. canadian source for triad choke?
  80. Fork vs. Sleeve Terminal Octal Sockets.
  81. Step down grid choke vs. interstage transformer
  82. Who knows James 6123HS parameters? Or where to ask
  83. Advantage of a FET-BJT CCS vs BJT only
  84. Question - PCB Design with Multisim/Ultiboard
  85. Trouble choke loading tube in regulated supply
  86. PSUD newbie: modeling Tubelab SE
  87. Bassman Schematic Alterations
  88. Fixed Bias adjustment
  89. web resource for tube pricing?
  90. Need help on Kenwood KR 7070
  91. 110v or 220v, how can you tell?
  92. Calling UK builders Simple SE, Pre & Phono advice
  93. Stoked about new volume control for my Simple SE
  94. Tubes Down Under...
  95. To anyone using 808s
  96. Grounded power supply cord on a transformerless amp ?
  97. Documenting SimpleSE FRED Problem
  98. PP KT88 Mono blocks?
  99. Looking for 6.3V 1A ccs heater supply for dht
  100. testing for the ratios on old opt's
  101. Any Transformer Winders?
  102. Output trans plate load question 5687 vs 5965
  103. KT88 triode strapped question
  104. 6528/8080 Triode - NOS Only ???
  105. Opinions gratefully recieved.
  106. Wiring Power Transformer in Parallel
  107. Is there a best location for a volume control?
  108. bass guitar preamp
  109. P2P vs PCB
  110. Help on EL84 / ecc83 SE project -very low volume
  111. 4E27 Triode connection SPICE model
  112. 300B driving 845
  113. Breaking in your tubes?
  114. 6SN7 equivalents in B9A
  115. Figuring out how many watts I need
  116. How do I tell whether a different replacement output transformer will be ok?
  117. OPT linestage question
  118. 6AS7 preamp buffer
  119. Where to put the MV ?
  120. 5u4g input capacitor
  121. Chassis metal advantages/disadvantages?
  122. Experience please: Tung-Sol 6L6GC STR
  123. Transformer winding resistances
  124. Capacitor Voltage Rating Question
  125. Oh my where to begin!? PTP related question.
  126. tube bayonet pin gone.
  127. Attn: Glass_painter - Pioneer SM-83 Transformers Dissected
  128. Please help ID this DIY tube monoblocks
  129. Amp thinks it's a receiver ??
  130. Anyone remember heathkit s99?
  131. Blue Voodoo Solid State Rects to Tube Rects?
  132. Renovation of fifty years old tube amplifier
  133. Big Boss: a simple and basic el84 PP amp in progress
  134. Line Stage for Mikael SE KT88
  135. DIY tube guitar amp oscillating, please help!
  136. Philips EL3536
  137. Tube Tester's
  138. Counterpoint SA-5000 P.S.U part identification needed
  139. 6GU7 in an Aikido?
  140. suggest about 9002/vt202 preamp please
  141. 7591a Alternatives
  142. tube rectifier plug in s-s replacement
  143. Oscillation in tube amps
  144. simple se cathode resistor question
  145. 6GT5 audio amp?
  146. How can a resistor "sound" good?
  147. Pin numbering, viewed from bottom or top?
  148. The Hybrid Class A amplifier
  149. 485V Regulated Power Supply
  150. 0B3 Glows Orange
  151. New Reissue tubes...Good/Bad???
  152. PP amp design , your thoughts please.
  153. Aikido + Phono section preamp
  154. Newcomb el84 amp
  155. Any Australians want to share shipping for valves from ESRC?
  156. 5718 Nuvistor ?
  157. Trimmer pot source?
  158. Pentode Miller Capacitance, and which spec value to use?
  159. Brother can you spare a preamp design?
  160. Reducing tremolo beating
  161. Russian tube equivelants
  162. Another question about russian tubes
  163. Why match tubes?
  164. My XPP OTL Headphoneamp
  165. Joining the Tubelab SE club
  166. Simple heater question
  167. Fender always taking care of tubes....
  168. Need small SET transformer (12B4)
  169. Red Hot 6L6GC
  170. How do these curves look?
  171. Why does lowering screen voltage reduce headroom?
  172. Class A2 Direct MOSFET Coupled SE
  173. Volume Surges Fender "The Twin" - transformer going?
  174. simple SE questions
  175. Best tubes for ~100w 1.9k p-p?
  176. Installing bleeding resistors
  177. Capacitor Comparison Conundrum
  178. Tubelab SE socket raise
  179. RH84 finish!
  180. cathode biasing question
  181. Modding an old tube amp???
  182. More snake oil
  183. simple se success!
  184. Rectifier swap out?
  185. Input impedance of tubelab simple se
  186. Capacitor tolerance
  187. Please comment my F2a SE schematic
  188. E80CC aikido
  189. Heater wiring help!
  190. Differential output stage: cap voltage?
  191. 6C41C in a PSU regulator?
  192. Filament Wiring - Shielded vs. Twisted?
  193. Transformer reflected impedance games? Overspec'd output power?
  194. SE 6V6 cathode resistor value
  195. Very strange gremlins in my phono PS
  196. which kit to build - first kit ever
  197. Does anyone know the plate reistance of a 6CW7/ECC84
  198. Shindo Claret
  199. se, srpp, pcb design criteria
  200. Looks like a promising SE build ??
  201. Apologies to Alex Kitic- RH84 Three Channel?
  202. 6L6 AB1 Push-Pull
  203. Jadis JA-30
  204. Black Gate "snubbing"
  205. New Schematic - PP UL 6V6-types, CCS-fed
  206. build up a new line amp
  207. How do you make a DHT amp REALLY HUM FREE????
  208. Experience with AnTek OPTs?
  209. 6V6 PP AB1 circuit
  210. Help with powering down a trafo
  211. Computer program for tube curves and Spice models
  212. Physical orientation of transformers
  213. Which EL34 tubes for Hi Fi
  214. Choke input power supply, capacitor ratings
  215. EL36/6CM5 SE design critique
  216. New 6F6 Amplifier Project
  217. Transformerless Tube Amp
  218. GE sealants: which to use?
  219. Bias supply and grid current
  220. US Army Russian Electronics Dictionary
  221. Speaker Pop!
  222. Steve Bench RIAA preamp users
  223. MAC free schematic drawing software?
  224. Using James JS-6123HS with EL84 SE is overkilled?
  225. Volume pot for simple se
  226. s5electronics 16ls schematic
  227. New to valve amps - given a 'project'
  228. Are there any loctal PC sockets?
  229. cheap and easy tube preamp
  230. Stereo bass problem
  231. SRS-360 East German transmitting tubes
  232. What the heck does a getter do ?
  233. Capacitor polarization help!
  234. MasterSound Tube Amplifier
  235. PC900 / EC900 curves
  236. 2x 12AX7 preamp fuse value
  237. Crackling Noise in Tube Amp (only) & PC Sound Card
  238. The Mullard 3-3
  239. Audio Research D125 Schematic?
  240. Glass B1. Need advise
  241. Eagle Library for OPT?
  242. Computing or measuring anode curves w/ CFB
  243. Northlake PT ??
  244. Greatest circuit ever (or weirdest)
  245. Advise for nervous EL84 user
  246. K-12G problems
  247. Changing AC heaters to DC
  248. Phase change when adding gain stage?
  249. XiangSheng Amplifier
  250. Grid stopper resistor for 12B4A?

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