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  1. Report: One-Electron PRC as input choke
  2. Phase Splitter Name
  3. 6ck4 sweetspot
  4. Mystery Ebay amp purchase
  5. Triode versus Pentode
  6. Supply, Full wave, choke on center tap?
  7. Ping SY
  8. Interstage Transformer Loading
  9. Tube Amplifier Kit?
  10. Easy inexpensive tube buffer ideas?
  11. Running tubes at their maximum dissipation.
  12. 6BM8/ Heathkkit S.88 Has only 3 and 15 ohm O/P..?
  13. DHT drivers - shootout
  14. Dynaco MK IV
  15. KT88 , Genalex or Chinese ? Help !!!
  16. output tubes for stereo 70
  17. 6H6P for Sonic Frontiers Line 2?
  18. Too much distortion
  19. Servo assisted CF LCR-filter
  20. 6v 5AR4?
  21. 845 Grid stopper value
  22. Chokes, sizing and ringing?
  23. Long tail 6sl7 for Dynaco stereo 70?
  24. Triode Fabrication Video
  25. Funny Hi-Fi quote
  26. 300B PP ph.split
  27. extend tube sockets, or tube "plugs"?
  28. Klipsch Promedia GMX A-2.1 + Decware Taboo
  29. So any ideas for a car type amp?
  30. Cathode Biasing a 6L6 quartet power stage
  31. Calling All Mullard 5-20 Aficionados
  32. Modelling a DC filament supply in PSU Designer II
  33. 12AX7 Preamp NOOB Question
  34. Adding aux input on a tube console
  35. one safety question
  36. E1148,CV6-How do you distinguish the anode/grid caps?
  37. Strange DC choke behavior
  38. Subwoofer out question.
  39. Tube 6N3 use pre for ChipAmp
  40. Hammond 1650W
  41. separating PSU for preamp
  42. sca-35
  43. A 6.3V regulator delivering 2.8A...?
  44. 6K:8 25W SE OPT, now what tube should I use?
  45. EL84 fixed bias PP Triode
  46. Tube Amp Kit Suggestions
  47. TT21 Vs KT88
  48. One-Electron PRC chokes as PS input choke?
  49. Magnavox 135BB
  50. Is there much point in tube preamps? (This isn't a troll)
  51. How does one determine saturation point of triode or pentode
  52. Help - 807 Technical problem
  53. woooohooo!!! 3 working el84 SEs
  54. westinghouse model 80 radio - eval for parts?
  55. Bogen J130 PA schematic
  56. Better Cap = Better Sound?
  57. Pilot SA 260 bias
  58. 12AX7 gain stage output impedance
  59. Small 1W hifi amp
  60. Tube Radio - What are G & F Terminals?
  61. Has anyone seen this?
  62. how would you Parallel a 12ua7 tube
  63. Tube mod a HT rcvr?
  64. how would i series a 12au7a
  65. does some have distortion schematics for 12au7a
  66. triode strapped tetrode
  67. 6F6G UL Amplifier
  68. Build a VT100?
  69. turrets for tube PC driver board needed
  70. Mikael Abdellah's kt88, (LOADLINES)
  71. piezo amp discussion on loudspeaker forum
  72. Balanced interconnect to differential amp - how would you do it?
  73. Ebay Tube Preamp Kit
  74. Kiwame resistors
  75. Mains isolation - would this work?
  76. 6CA7 Mikael Abdellah's KT88 SE amp?
  77. Tube heaters AC or DC?
  78. Question about system design with the K-12
  79. CCS on SE 2A3 cathode
  80. Saucepan Amplifier
  81. Rectifier query
  82. Fisher 400c
  83. Hum Problem
  84. Shanghai: please recommend some audio shops
  85. Calculating max Anode Voltage
  86. One thought about improved Single Ended amplifier
  87. low distortion sweep generator - not a PC
  88. Any articles on how to bias correctly
  89. Max dissp of EH 6sn7
  90. Switched Capacitor Impedance Converter
  91. Chinese Output transformer for 300B SET
  92. Is a VTVM useful?
  93. Permanent thread name proposal
  94. Loctal Rectifiers
  95. Silk Transformers
  96. Gain Q
  97. What cable between PSU and Amp?
  98. luxman mq 36 schematics
  99. Nonstandard tubes for audio? Quadrature grid chorus effect?
  100. Parts assortments sold with organizer
  101. Re-Gapping OPT
  102. I want to begin but I don't know how!!!
  103. Ultralinear with zener on the screen
  104. ReSEPP Design: 5 Tubes 4 Natural Sound
  105. Chinese Tube Amp?
  106. Ampex 351 - Mic pre
  107. Another ground question
  108. for the life of me
  109. Front Panel Express finishes
  110. transformer spec
  111. diode bridge - 10000uF cap - diode tube - small cap - HV+
  112. passive components affected by magnetic fields?
  113. Help on Pentode Octal Phono Stage (POPS)
  114. Cascode gain. Did I do something wrong?
  115. Bad Tube in my "new" Hammond C2 Organ preamp? HELP w/ diagnosis!!
  116. Need tube data for 10Y
  117. Bending aluminum?
  118. Does anyone recognise this 12AU7?
  119. Phase splitting--how does it work?
  120. Construction technique?
  121. function generator
  122. Ceramic or Magnetic with new preamp?
  123. Melos Triode 200 fuses
  124. Fantasia Disney amp
  125. Ella amplifier problems
  126. SE design questions before I start my project
  127. Single stage preamp
  128. Help me to identify unknown tube
  129. PSU Question...Full Wave Bridge
  130. 6as7g Se
  131. Music Angel Modification
  132. 6SL7 Phono Preamp
  133. Grounded Grid Preamp
  134. Formula question
  135. 6N9S different versions
  136. Stoetkit Amps
  137. PSUD question
  138. 6922 -- curing the ultrasonic RIAA blues
  139. Need Help Setting Heater Voltage
  140. Sub-Miniature Tube Amplifier
  141. Burned out power tube
  142. www.agora.lesina.org
  143. suggestions for a rectifier
  144. scott 222 recap issues
  145. Adcom integrated/tube amp project
  146. Auricaps - 400V vs 450V (SimpleSE)
  147. ratings of output transformer???
  148. Class-g / class-h
  149. Cascading gain stages in a tube preamp
  150. OT impedances calculations: where's my mistake??
  151. phase splitting transformers
  152. 6L6 PPP UL amp
  153. g2 driven tubes
  154. Selecting an IT impedance
  155. preamp get a hum when volume is at full or 80% is thier away to stop it??
  156. What can you replace the 12AU7A with???
  157. My 12AX7 zero negative feedback preamp, with measurement
  158. improving the Transcendentsound GGP preamp
  159. Check out my new Phono stage
  160. load line UL v.s. triode
  161. Line-Stage w/ balanced output
  162. Dropped a SIF Ba
  163. RCA logos and boxes
  164. Type 24 or 24a for linestage..?
  165. Line output as line input transformer?
  166. Siemens codes
  167. Moskidos on the way.
  168. Another transformer question
  169. KT88 Push-Pull
  170. 45 -> 813 Interstage
  171. Ulyanov currently manufacturing the 6c33C?
  172. Is PSU Designer II correct?
  173. How much weight can the Hammond chassis hold?
  174. Inner detail, as opposed to?
  175. Power Transformer for 6V6 SE Amp Question
  176. Can this schematic work? 6N6P driver with 6C33C-B OTL
  177. Tube rating
  178. Best driver for KT88 Triode SE.
  179. Unusual tubes to drive a JAN 829B
  180. LTP w/CCS tail and plate loads
  181. EL86 OTL
  182. 300B shootout
  183. Stay tuned for the Pass F4 tube preamp
  184. 6j4 oscillating?
  185. My 6N23P tubes
  186. Tone linestage idea
  187. SimpleSE amp: multiple taps with cathode feedback
  188. 7W enough for 90dB speakers?
  189. Meaning of "hard to drive"
  190. Plate load resistor question
  191. BWD 216a power supply circuit needed, please help
  192. 1st DIY project in a loooooong time
  193. Another AG9016 "addict"
  194. angela EL34 improvement and mods
  195. $120 battery powered tube amp on eBay??
  196. Help with 6AQ5 schematics
  197. 5691 black base?
  198. DIY vacuum tubes!
  199. Replacing 5-pin DIN inputs on a Telefunken Radio? +weird speaker output?
  200. working out Z out for tube with IXYS IXP10M45S plate load
  201. Review of New S-5 K-16LS Kit
  202. Dumb question.
  203. Suggest KT88 Push-Pull schematics, please.
  204. AIKIDO: Main Thread???
  205. 10Y/45 schematic wanted
  206. Dynaco ST-70 Kits Compaired FYI
  207. Mini amp using 12AU7's as power tubes?
  208. Quick question about star grounding
  209. 3K or 5K OPT in EL35 SimpleSE?
  210. Bogen L60 schematic
  211. k-12
  212. Suggestion on tube for CCS
  213. Whats the model for this?
  214. ECL 82 schematic to suggest
  215. Andrea Ciuffoli's KT88 PP
  216. Looking for comments on Welborne Labs PS10 reg. HT supply
  217. Thoughts and suggestions needed.
  218. PSU shunt capacitor selection
  219. Looking for comments in my first 300B project
  220. Transformer Coupling Questions
  221. ECL82 power supply question
  222. CGV-300B Amp Results...Fun.
  223. power transformer rating and tube current - SimpleSE
  224. Ping Drummerwill.
  225. Taking a Hammond 369BX filament winding to the limit?
  226. Speaker connect: Speakon or banana
  227. 50k or 100k output impedance.
  228. Need help remembering the name of a hybrid amplifier design book
  229. Measuring Output Impedance of Power Supply
  230. knob with long end for alpha pots
  231. IT tutorial n selection
  232. Anybody help identify these tubes
  233. CT wire -quick question
  234. New Amplifier
  235. Master Volume for Active Tube Crossover?
  236. Tube lifetime
  237. Raleigh Audio Preamp - somebody heard ?
  238. Mikael Abdellah SE KT88 ideas and questions
  239. Bogen CHB-35 to conversion to B-12/B-15
  240. Melos triode 200+ looking for spare parts
  241. Opinions on integrated amp project
  242. 6AL5 for clipping diodes?
  243. Confusion over Knight 600 tester numbers
  244. 12AU7A: I need fuzz, overdrive and distortion schematic
  245. 12AT7 vs 12AU7 (interchangeable?)
  246. Angela Electronics - Customer Service
  247. PAS visits the naughty side of town (red lit)
  248. Summing at the LTPI
  249. Test of ECC81 to 83
  250. Was this already posted here? Handmade tubes video

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