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  1. These Hong Kong amps have me bummed
  2. Looking for a cheap dual pentode
  3. Adding panel meters to Simple SE?
  4. Building a 12B4 Line Stage
  5. Speaker sounds blown...but isn't
  6. Static noise in K-16LS
  7. Scratchy clicky noise coming from homemade 6L6 tube amp
  8. Rowe AMI jukebox amp
  9. Does this power supply make any sense to you?
  10. Zener Diode Question
  11. 829B as LTP?
  12. Need a little help with Aikido 6n1p/6n6p
  13. Power switch location..
  14. Mini Millet (starving student) and iPod??
  15. valve preamp for quad 303
  16. Paging Wavebourn - article on Russian caps...
  17. I'm about to drive a stake thru the heart of my Aikido linestage
  18. questions on Mikael Abdellah circuit optimized for EL34 triode operation
  19. Model 16LS Stereo Integrated Tube Amplifier
  20. hum on pre-amp when volume is turned up
  21. 813 RCA amplifier - 25w, class A1, single ended,2 tubes,Rout~1ohm
  22. Interesting circuit, filter question.
  23. Choke Voltage ratings
  24. Hole drills
  25. Major amp circuit redesign- need some expert advice
  26. Daft Hybrid Amp
  27. 6n18-v tube amp
  28. Old big/long plate 12AX7's & 12AT7's
  29. in progress
  30. JTM45 clone
  31. A good tube amplifier power supply
  32. Anyone compared electra-print SE:PP interstages to electra-print PSA-2 autoformers
  33. El34 Se
  34. Question on choke
  35. Simple SE output transformer: James or Edcor?
  36. Looking for beter EL34/6CA7 tubes for C-J MV55 amp
  37. SET tube replacement
  38. Some kind of buffer/preamp for my SS guitar amp fx loop
  39. VALVOLOZZO triode amp with toroids output trafo...help me
  40. Old amp kit making noise and its getting OLD.
  41. Another Tube pre query !
  42. Simple SE aux capacitor
  43. do 6h30 glow at the top only
  44. canadian source for triad choke?
  45. Fork vs. Sleeve Terminal Octal Sockets.
  46. Step down grid choke vs. interstage transformer
  47. Who knows James 6123HS parameters? Or where to ask
  48. Advantage of a FET-BJT CCS vs BJT only
  49. Question - PCB Design with Multisim/Ultiboard
  50. Trouble choke loading tube in regulated supply
  51. PSUD newbie: modeling Tubelab SE
  52. Bassman Schematic Alterations
  53. Fixed Bias adjustment
  54. web resource for tube pricing?
  55. Need help on Kenwood KR 7070
  56. 110v or 220v, how can you tell?
  57. Calling UK builders Simple SE, Pre & Phono advice
  58. Stoked about new volume control for my Simple SE
  59. Tubes Down Under...
  60. To anyone using 808s
  61. Grounded power supply cord on a transformerless amp ?
  62. Documenting SimpleSE FRED Problem
  63. PP KT88 Mono blocks?
  64. Looking for 6.3V 1A ccs heater supply for dht
  65. testing for the ratios on old opt's
  66. Any Transformer Winders?
  67. Output trans plate load question 5687 vs 5965
  68. KT88 triode strapped question
  69. 6528/8080 Triode - NOS Only ???
  70. Opinions gratefully recieved.
  71. Wiring Power Transformer in Parallel
  72. Is there a best location for a volume control?
  73. bass guitar preamp
  74. P2P vs PCB
  75. Help on EL84 / ecc83 SE project -very low volume
  76. 4E27 Triode connection SPICE model
  77. 300B driving 845
  78. Breaking in your tubes?
  79. 6SN7 equivalents in B9A
  80. Figuring out how many watts I need
  81. How do I tell whether a different replacement output transformer will be ok?
  82. OPT linestage question
  83. 6AS7 preamp buffer
  84. Where to put the MV ?
  85. 5u4g input capacitor
  86. Chassis metal advantages/disadvantages?
  87. Experience please: Tung-Sol 6L6GC STR
  88. Transformer winding resistances
  89. Capacitor Voltage Rating Question
  90. Oh my where to begin!? PTP related question.
  91. tube bayonet pin gone.
  92. Attn: Glass_painter - Pioneer SM-83 Transformers Dissected
  93. Please help ID this DIY tube monoblocks
  94. Amp thinks it's a receiver ??
  95. Anyone remember heathkit s99?
  96. Blue Voodoo Solid State Rects to Tube Rects?
  97. Renovation of fifty years old tube amplifier
  98. Big Boss: a simple and basic el84 PP amp in progress
  99. Line Stage for Mikael SE KT88
  100. DIY tube guitar amp oscillating, please help!
  101. Philips EL3536
  102. Tube Tester's
  103. Counterpoint SA-5000 P.S.U part identification needed
  104. 6GU7 in an Aikido?
  105. suggest about 9002/vt202 preamp please
  106. 7591a Alternatives
  107. tube rectifier plug in s-s replacement
  108. Oscillation in tube amps
  109. simple se cathode resistor question
  110. 6GT5 audio amp?
  111. How can a resistor "sound" good?
  112. Pin numbering, viewed from bottom or top?
  113. The Hybrid Class A amplifier
  114. 485V Regulated Power Supply
  115. 0B3 Glows Orange
  116. New Reissue tubes...Good/Bad???
  117. PP amp design , your thoughts please.
  118. Aikido + Phono section preamp
  119. Newcomb el84 amp
  120. Any Australians want to share shipping for valves from ESRC?
  121. 5718 Nuvistor ?
  122. Trimmer pot source?
  123. Pentode Miller Capacitance, and which spec value to use?
  124. Brother can you spare a preamp design?
  125. Reducing tremolo beating
  126. Russian tube equivelants
  127. Another question about russian tubes
  128. Why match tubes?
  129. My XPP OTL Headphoneamp
  130. Joining the Tubelab SE club
  131. Simple heater question
  132. Fender always taking care of tubes....
  133. Need small SET transformer (12B4)
  134. Red Hot 6L6GC
  135. How do these curves look?
  136. Why does lowering screen voltage reduce headroom?
  137. Class A2 Direct MOSFET Coupled SE
  138. Volume Surges Fender "The Twin" - transformer going?
  139. simple SE questions
  140. Best tubes for ~100w 1.9k p-p?
  141. Installing bleeding resistors
  142. Capacitor Comparison Conundrum
  143. Tubelab SE socket raise
  144. RH84 finish!
  145. cathode biasing question
  146. Modding an old tube amp???
  147. More snake oil
  148. simple se success!
  149. Rectifier swap out?
  150. Input impedance of tubelab simple se
  151. Capacitor tolerance
  152. Please comment my F2a SE schematic
  153. E80CC aikido
  154. Heater wiring help!
  155. Differential output stage: cap voltage?
  156. 6C41C in a PSU regulator?
  157. Filament Wiring - Shielded vs. Twisted?
  158. Transformer reflected impedance games? Overspec'd output power?
  159. SE 6V6 cathode resistor value
  160. Very strange gremlins in my phono PS
  161. which kit to build - first kit ever
  162. Does anyone know the plate reistance of a 6CW7/ECC84
  163. Shindo Claret
  164. se, srpp, pcb design criteria
  165. Looks like a promising SE build ??
  166. Apologies to Alex Kitic- RH84 Three Channel?
  167. 6L6 AB1 Push-Pull
  168. Jadis JA-30
  169. Black Gate "snubbing"
  170. New Schematic - PP UL 6V6-types, CCS-fed
  171. build up a new line amp
  172. How do you make a DHT amp REALLY HUM FREE????
  173. Experience with AnTek OPTs?
  174. 6V6 PP AB1 circuit
  175. Help with powering down a trafo
  176. Computer program for tube curves and Spice models
  177. Some help/advice with a guitar amp layout.
  178. Physical orientation of transformers
  179. Which EL34 tubes for Hi Fi
  180. Choke input power supply, capacitor ratings
  181. EL36/6CM5 SE design critique
  182. New 6F6 Amplifier Project
  183. Transformerless Tube Amp
  184. GE sealants: which to use?
  185. Bias supply and grid current
  186. US Army Russian Electronics Dictionary
  187. Speaker Pop!
  188. Steve Bench RIAA preamp users
  189. MAC free schematic drawing software?
  190. Using James JS-6123HS with EL84 SE is overkilled?
  191. Volume pot for simple se
  192. s5electronics 16ls schematic
  193. New to valve amps - given a 'project'
  194. Are there any loctal PC sockets?
  195. cheap and easy tube preamp
  196. Stereo bass problem
  197. SRS-360 East German transmitting tubes
  198. What the heck does a getter do ?
  199. Capacitor polarization help!
  200. MasterSound Tube Amplifier
  201. PC900 / EC900 curves
  202. 2x 12AX7 preamp fuse value
  203. Crackling Noise in Tube Amp (only) & PC Sound Card
  204. The Mullard 3-3
  205. Audio Research D125 Schematic?
  206. Glass B1. Need advise
  207. Eagle Library for OPT?
  208. Computing or measuring anode curves w/ CFB
  209. Northlake PT ??
  210. Greatest circuit ever (or weirdest)
  211. Advise for nervous EL84 user
  212. K-12G problems
  213. Changing AC heaters to DC
  214. Phase change when adding gain stage?
  215. XiangSheng Amplifier
  216. Grid stopper resistor for 12B4A?
  217. Lundahl LL1620 SE-OPT : Ultra linear ?
  218. Thordarson transformers
  219. Ampeg SVT cloners, chime in!
  220. Electra Print & SAC ( Silk )?
  221. Audio Transformer articles I would like copies of !
  222. K-12 with headphones?
  223. cap wire lead covers
  224. Single ended amp, EL34, KT88 ideas??
  225. Kt-66 and Simple SE
  226. Wavebourn Pyramid - VII driver stage
  227. Mysterious OPT winding tap
  228. DHT…. Get rid of the Hum Pot!
  229. Operating Amp Without Load
  230. Tube choices for Simple SE?
  231. Looking for information on old thread
  232. Tube Leveling Amplifier
  233. Anyone with knowledge of the 12b4?
  234. 7695...useful audio tube??
  235. simple se blowing rectifier and fuse
  236. PSUD - How do interpret the results?
  237. Solder station
  238. TubeLab SE blowing fuse on B+ ramp up
  239. preamp for pl504 amp
  240. Resistor after volume pot
  241. 6021 Amp project..looking for some input
  242. 807 SE project started....
  243. Fun with glow tubes, a success story
  244. OPT question
  245. Sources for Replacement Fender Filter Caps
  246. Cheap and easy vacuum impregnation
  247. How to measure mains waveform safely?
  248. Wanted - High Power, High Voltage, Audio Frequency Transformer Manual.
  249. Aikido Resistor Help
  250. Changing 6SQ7 to 6SL7 in SE amp

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