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  1. Edcor OPT's w/ SimpleSE
  2. Please check this PSU
  3. met. MKP in oil capacitors for PSU?
  4. EH EL34's at +600V?
  5. The Infamous Kay 703C! - Help finding an output transformer?
  6. MOT's as output transformers?
  7. Grain oriented silicon steel core data needed
  8. Gibson reverb driver transformer
  9. PSUD II help
  10. Edcor In SE Guitar Amp
  11. Tube curves
  12. S-5 electronics amp kits
  13. up-to-date El Cheapo schematic
  14. unknown output trannie
  15. Help needed with KT88 Amp design
  16. Bogen MX60a
  17. AIKIDO - Low-volage with buffer version
  18. 6N6P cascode calculation
  19. 866a Min operating voltages
  20. new 6V6 amp
  21. Tube-based CCS- 0.2uF cap OK?
  22. DHT filament PSU: What would you do?
  23. PSU problem
  24. 811A se amp using a solid state driver
  25. ECC83 - Long Plate vs Short Plate
  26. Tube Matching
  27. Cascoded mu-follower
  28. DIY speaker choice for SE
  29. Output transformer wanted
  30. big valve traffo for guitar amp?
  31. Tube Tester
  32. 835 amp
  33. One 300B filament supply for stereo?
  34. Aikido Built At Last!!
  35. Question about amount of feedback to apply
  36. design help needed.
  37. LED in cathode
  38. Need help for Eico 1030 regulated power supply
  39. zinc chassis
  40. Anode Cap Question
  41. what pins to use solid rectifier for 5Y3
  42. New PSU for Aikido?
  43. tube anti-vibration mounting
  44. Border Patrol PSU, can anyone help?
  45. Aikido Line Stage
  46. LED Bias Modifications
  47. danelectro vibravox
  48. Standby switch for bridge rectified power supplies.
  49. Decoupling in Phono stages.
  50. easy one valve pre help
  51. Single-ended-series amp with a "1 winding" transformer
  52. Complementary Symmetry Output
  53. Help getting these d$&* Dynascan probes apart!
  54. Aikido output cap selector switch
  55. adding an "on" lamp to amp kit
  56. Why does 6BM8 have so high max plate voltage?
  57. B+ soft start
  58. Unison research
  59. photos of my creations
  60. First Time Project - Finished! Photos Attached
  61. Design parameters for SE OPTs'
  62. want to build a pentode driven drd 2a3!
  63. Passive Magnetic Preamp!
  64. Testing an E288CC (8223)
  65. Need expert help on presence control
  66. Value of output caps for Aikido - how low is too low?
  67. Very expensive WE106A pre-amp, any member had this??
  68. B+ with or without tubes?
  69. 1st Time Project - Spot the howler
  70. Tube flashes on tester... Bad ?
  71. Amp advice needed for a poor DIY er...
  72. DCR of primaries and secondaries of Hammond Transformer
  73. 801 amp with Power Drive
  74. Where did this come from?
  75. 6N7S's PPP Class A
  76. your opinion needed.......
  77. ST-70 strangeness
  78. SS preamp w/ tube amp
  79. pri. impedance vs. sek. impedance
  80. TubeLab SimpleSe and speaker efficiency
  81. Question about speaker transformer
  82. How to read Russian Date Codes
  83. 300B Amp on ebay
  84. Would a 396A or 2C51 drive a 45?
  85. PSUD2 Q on regulator
  86. My last design
  87. OPT for 250th Se A2
  88. Silvertone 1481 power transformer?
  89. 829B, 3E29, QQV03-20 Connector
  90. Measuring from UK schematic but on US mains
  91. strange tube
  92. cathode resistor ?? in p-p fixed bias
  93. Need Help please . Headphones into line up of tube amp .
  94. 5Z4 inrush current too high
  95. Reducing gain on Audible Illusions M3A
  96. Decoding output transformers: strange SE's
  97. cheap and usable for 1K p-p iron?
  98. Help! Phono stage LF instability
  99. Help! Mesa Stiletto is motorboating and then fuse blows
  100. Faulty tube?
  101. Philbrick opamp bases
  102. Hammond Driver transformers
  103. 6n7/2a3
  104. Flea power for cheap OPT's?
  105. 1st Project - Half time report
  106. Claus Byrith 4-30 Questions
  107. quicksilver 8417 biasing
  108. 6sl7
  109. Trying to identify/find documentation on a 50EH5 amp
  110. Basic tests and measurements for OPTs
  111. 6SN7GT SRSE Linestage
  112. Dynaco Mark III
  113. Push Pull 300B preliminary
  114. triode thermodynamic model
  115. My first post!
  116. A Neophyte's 12B4 Build Thread
  117. Webster Hammond Model "G" amplifier
  118. Matching tubes- WE 396a/RFT EL34
  119. What is the most powerful AF tube amp ever built?
  120. SOHA Amp & PSU Layout, need feedback
  121. smoke came from transformer
  122. Startup Cost?
  123. Old or new output transformer?
  124. speaker magnet proximity Question
  125. Russian L3-3 tube tester
  126. I made a web page on building triode models /w CurveCaptor
  127. Boosted Triode mode?
  128. Unbalacing a PP output transformer?
  129. ecl86 & ez80 - suitable for guitar amp?
  130. Double C Cores
  131. Aikido Power Supply
  132. Output Noise question
  133. Power Supply Ringing
  134. Compare Sowter SA08 with Plitron 3035SE for 300B
  135. My 6C33C SING WITH No SPEAKER !
  136. MOSFET Driver for Power Pentodes
  137. Floating heater supplies
  138. Altec Amplifiers
  139. What causes the overrun bias on V4?
  140. sound comparison of Class A1 vs A2 amps
  141. 12AU7 substituted for a 6922
  142. Whats the worst that could happen?
  143. Ferranti transformers
  144. PC Cooling Fans for Tube Amps
  145. 845 circuit suggestions
  146. DIY Sofia tube tester?
  147. transformer hum / buzz getting into B+?
  148. Safe Transformerless Amps Possible?
  149. GM70 Lower Voltage PP Question
  150. phonostage with 150VDC B+
  151. Spuddo more powerfull
  152. Larry Moore 300B/10Y/6SN7GT
  153. Foreplay Preamp volume popping
  154. Altec Tube Amplifiers
  155. Circuit review
  156. DIY Tube Tester for 6336s
  157. 12dw7 to 12ax7 conversion?
  158. 26 preamp
  159. Etf07
  160. 1st Project Heater Wiring
  161. Dropped tube
  162. Great bench supply for tube work.
  163. Mullard px25 - need matched pair
  164. 2W carbon composit ressy
  165. popping noise through 1 channel on Radford STA15
  166. Point to point wiring help
  167. 1st Time Project - Report 2 + advice sought
  168. "Simple" 2A3
  169. vinyl v cd differences - phono pre and cd-player
  170. Shielded input cable
  171. knight guitar amp conversion
  172. Dumb motor run capacitor question
  173. Coupling caps in ST35
  174. Mentmore M100
  175. How to match tubes?
  176. Transcendent OTL T8 Vs. Atma-Sphere M60
  177. New 12AX7A Pspice model
  178. What does R2D2, Mickey Mouse and a...
  179. Why 5V filament
  180. Alloys for filaments
  181. 6360 as Power Tube for SE amp
  182. Bridging Stereo Amps
  183. Problem with 6L6 Monoblock
  184. Gain
  185. Proper grounding method...
  186. Changing a tube amp...
  187. Houston Mini 2004 Pot question
  188. Diode Heatsink
  189. Looking for a PCB / kit for a bipolar tube rectified PSU
  190. compactron output stage and power supply
  191. Better sounding ECL86's
  192. Heathkit EA-3 conversion to guitar amp
  193. interesting amp & interesting problem
  194. Hybrid Tube / Mosfet Amplifier
  195. Again (sorry) what's the biggest 6V heater double rectifier?
  196. PP EL34 circuit wanted
  197. Need advice for transformer for tube GM 70.
  198. Pentode filter
  199. How to calculate for cathode follower
  200. 6L6WXT in a Dynaco ST-70
  201. tube preamp using submini tube
  202. SE Trafo for PP use
  203. WE91A Pentode Questions?
  204. Lower voltage Dynaco ST35 for 6P14P // 7247 replacement
  205. looking for schematic; three EL84's in PSE ?
  206. Need work done on a dynaco power amp
  207. quick question on fixed bias
  208. DIY Tube Audio dealers in New Zealand
  209. ornec
  210. Tuner filament supply question
  211. An idea for a partial feedback pentode amp using 6AU6's and 807's
  212. Tube current regulation for series heaters' supply.
  213. Bogen PCA-1 two tube booster amp
  214. First time building a tube preamp
  215. B&K 700 problems?
  216. Silvertone 1482 Blowing Rectifier Tubes
  217. Voltage Multipliers
  218. Russian 6P14P tubes
  219. Where to get tube spec sheets, pinouts
  220. PCL 82 Hybrid 2SC5200/2SA1943
  221. CCS in Otput Tube Cathode - Does It Make Sense?
  222. My Guitar Tube Amp. Help needed with Mesa/Boogie pre
  223. My brew of the "Darling"
  224. Series connection of filaments
  225. noisy filament transformer
  226. Circuit diagram for Trilogy VTi.
  227. Got oddball tubes!
  228. A photo for my question
  229. Make a preamp with an already buil amplifier
  230. DN2540
  231. mods for almarro amp
  232. Filament Transformer
  233. Circuit indentification
  234. Simplest Tube Regulated PSU?
  235. High Voltage Insulator for Umbilical
  236. wiring diagram, instruction on the transformer S-265-Q
  237. help me get started
  238. 12AU7 instead of 6C4
  239. Fisher 600 questions
  240. Phase inverter
  241. srpp input stage
  242. Orientation of EL34 Tubes
  243. Load termination ?
  244. Advice on SE DHT for Lowther Fidelio DX2
  245. Dynacord MV46 as a compressor
  246. Biggest dual triode output tube?
  247. OPT impedance question
  248. Partridge SE O/P transformers
  249. SimpleSE and me
  250. SRPP decoupling cap vs. output transformer

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