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  1. www.diykits.com.hk stepped volume control ... any good?
  2. Hammond L-100 conversion
  3. Anyone have the ASL model MGSI15 schematic ?
  4. Replacement for single-winding OPT?
  5. Buzz in new amp...
  6. 48V B+ linestage
  7. Line-Stage Opinion Question
  8. Audio applications of sweep tubes and ratings
  9. Differences in structure between parafeed ad gapped OPTs
  10. Take a look and let me know what you think
  11. Printed circuit board designing?
  12. SimpleSE - Switches, Wire, IEC, Jacks
  13. KT90 why this ?
  14. Break in
  15. Choke Design - Basic Questions
  16. Is this a good interstage transformer?
  17. Best tubes for bass?
  18. Tube amps & MP3's
  19. TRIO 15Hz Oscilloscope CS-1560A
  20. Newbie Needs Help Choosing A Kit
  21. I need a negative supply rail--but how?
  22. Strange Hum
  23. VR Tubes
  24. Understanding plate loads
  25. How do you know if your preamp has inverted the phase?
  26. Bogen J130 PA to guitar amp?
  27. 6P1 Equivalent
  28. EL34 and KT88??? 6550?
  29. one stage DHT amp
  30. 6V6 Output?
  31. Lineup of four: Help me choose?! OPT for SE
  32. 6DJ8 / 6922 tube?
  33. bias pilot sa 260
  34. Using vintage OPTs as PSU chokes ?
  35. crystal palace driver stage by morgan jones
  36. Why Are 12A*7 Tubes So Bad?
  37. Mikael's KT-88 question
  38. OPT for PSE 6c33c tubes
  39. 24v aikido distortion
  40. ED8000 SE or Parafeed?
  41. GZ33 Rectifier drop?
  42. counterpoint sa11
  43. High voltage problem
  44. Wire gauges
  45. Simple headphones out
  46. Mull(ard)ing over valve choice...
  47. Turning on B+ without heaters with aikido
  48. New Project - Plitron 4006
  49. Where in Brisbane can I get a transformer for my Chinese amp
  50. Etching or silkscreening chassis?
  51. can please someone explain this to me?
  52. A VCCS tube amp, how?
  53. How to add a subwoofer out?
  54. Kind of cool check it out
  55. new opt for s5 k16ls?
  56. Wanted Arkay SP6, Knight 83YX768 schematics
  57. toggle switch for input selector
  58. Tube Rectifier protection
  59. Quick Q on Max G2/Screen Volts..
  60. Cathodyne follower? :)
  61. Real music power
  62. Tube info needed
  63. Petrol Head Amp
  64. Help Needed- Replacement Volume Pot For a Fisher KX100
  65. What are these caps good for?
  66. 300B Set amp some variations
  67. my second design circuit(hifhgain guitar amp)
  68. why p-p amp RL for class B is 1/2 the class A load?
  69. Is this circuit ok?
  70. JTM60 capacitor question
  71. Attenuators ------ Please Help
  72. Transformer Coupled Pentode Question
  73. no response needed 903@klipschorns
  74. KT88: EH vs. Winged C
  75. Voltage swing on a guitar pick-up?
  76. Anyone have experience with the China made tube amps
  77. tubelab SE 300b power transformer
  78. Toroidal transformer potting can
  79. 300B - Push Pull or PSE to drive a commercial speaker
  80. Consonance Ella Diy hifi supply, el34, 6550 or KT88?
  81. Choke Input Filter.
  82. Preamp comparisons
  83. Amperite delay relays
  84. Help with making a tube amp?
  85. Linestage suggestion for Kuei Yang Wang's phonostage
  86. Altec Lansing 440B preamplifier
  87. Modding a Bogen CHB100...
  88. Report: One-Electron PRC as input choke
  89. Phase Splitter Name
  90. 6ck4 sweetspot
  91. Mystery Ebay amp purchase
  92. Triode versus Pentode
  93. Supply, Full wave, choke on center tap?
  94. Ping SY
  95. Interstage Transformer Loading
  96. Tube Amplifier Kit?
  97. Easy inexpensive tube buffer ideas?
  98. Running tubes at their maximum dissipation.
  99. 6BM8/ Heathkkit S.88 Has only 3 and 15 ohm O/P..?
  100. DHT drivers - shootout
  101. Dynaco MK IV
  102. Fender Bassman- AB165 capacitor toss up
  103. KT88 , Genalex or Chinese ? Help !!!
  104. output tubes for stereo 70
  105. 6H6P for Sonic Frontiers Line 2?
  106. Too much distortion
  107. Servo assisted CF LCR-filter
  108. 6v 5AR4?
  109. 845 Grid stopper value
  110. Chokes, sizing and ringing?
  111. Long tail 6sl7 for Dynaco stereo 70?
  112. Triode Fabrication Video
  113. Funny Hi-Fi quote
  114. 300B PP ph.split
  115. extend tube sockets, or tube "plugs"?
  116. Klipsch Promedia GMX A-2.1 + Decware Taboo
  117. So any ideas for a car type amp?
  118. Cathode Biasing a 6L6 quartet power stage
  119. Calling All Mullard 5-20 Aficionados
  120. Modelling a DC filament supply in PSU Designer II
  121. Guitar Preamp Tube combination
  122. 12AX7 Preamp NOOB Question
  123. Adding aux input on a tube console
  124. one safety question
  125. E1148,CV6-How do you distinguish the anode/grid caps?
  126. dual value motor run caps
  127. Strange DC choke behavior
  128. Subwoofer out question.
  129. Tube 6N3 use pre for ChipAmp
  130. Hammond 1650W
  131. separating PSU for preamp
  132. sca-35
  133. A 6.3V regulator delivering 2.8A...?
  134. 6K:8 25W SE OPT, now what tube should I use?
  135. EL84 fixed bias PP Triode
  136. Tube Amp Kit Suggestions
  137. TT21 Vs KT88
  138. One-Electron PRC chokes as PS input choke?
  139. Magnavox 135BB
  140. Is there much point in tube preamps? (This isn't a troll)
  141. How does one determine saturation point of triode or pentode
  142. Help - 807 Technical problem
  143. woooohooo!!! 3 working el84 SEs
  144. westinghouse model 80 radio - eval for parts?
  145. Bogen J130 PA schematic
  146. Marshall JMP-1 high voltage value ??
  147. Better Cap = Better Sound?
  148. Pilot SA 260 bias
  149. 12AX7 gain stage output impedance
  150. Small 1W hifi amp
  151. Tube Radio - What are G & F Terminals?
  152. Has anyone seen this?
  153. how would you Parallel a 12ua7 tube
  154. Tube mod a HT rcvr?
  155. how would i series a 12au7a
  156. does some have distortion schematics for 12au7a
  157. triode strapped tetrode
  158. 6F6G UL Amplifier
  159. Build a VT100?
  160. turrets for tube PC driver board needed
  161. Mikael Abdellah's kt88, (LOADLINES)
  162. piezo amp discussion on loudspeaker forum
  163. Balanced interconnect to differential amp - how would you do it?
  164. Ebay Tube Preamp Kit
  165. Kiwame resistors
  166. Mains isolation - would this work?
  167. 6CA7 Mikael Abdellah's KT88 SE amp?
  168. Tube heaters AC or DC?
  169. Question about system design with the K-12
  170. CCS on SE 2A3 cathode
  171. Saucepan Amplifier
  172. Rectifier query
  173. Fisher 400c
  174. Hum Problem
  175. Shanghai: please recommend some audio shops
  176. Calculating max Anode Voltage
  177. One thought about improved Single Ended amplifier
  178. low distortion sweep generator - not a PC
  179. Any articles on how to bias correctly
  180. Max dissp of EH 6sn7
  181. Switched Capacitor Impedance Converter
  182. Chinese Output transformer for 300B SET
  183. Is a VTVM useful?
  184. Permanent thread name proposal
  185. Loctal Rectifiers
  186. Silk Transformers
  187. Noob Power transformer for Tubelab SimpleSE
  188. Gain Q
  189. What cable between PSU and Amp?
  190. luxman mq 36 schematics
  191. Nonstandard tubes for audio? Quadrature grid chorus effect?
  192. Parts assortments sold with organizer
  193. Re-Gapping OPT
  194. I want to begin but I don't know how!!!
  195. Ultralinear with zener on the screen
  196. ReSEPP Design: 5 Tubes 4 Natural Sound
  197. Chinese Tube Amp?
  198. Ampex 351 - Mic pre
  199. Another ground question
  200. for the life of me
  201. Front Panel Express finishes
  202. transformer spec
  203. diode bridge - 10000uF cap - diode tube - small cap - HV+
  204. passive components affected by magnetic fields?
  205. Help on Pentode Octal Phono Stage (POPS)
  206. Cascode gain. Did I do something wrong?
  207. Bad Tube in my "new" Hammond C2 Organ preamp? HELP w/ diagnosis!!
  208. Need tube data for 10Y
  209. Bending aluminum?
  210. Does anyone recognise this 12AU7?
  211. Phase splitting--how does it work?
  212. Construction technique?
  213. function generator
  214. Ceramic or Magnetic with new preamp?
  215. Melos Triode 200 fuses
  216. Fantasia Disney amp
  217. Ella amplifier problems
  218. SE design questions before I start my project
  219. Single stage preamp
  220. Help me to identify unknown tube
  221. PSU Question...Full Wave Bridge
  222. 6as7g Se
  223. Music Angel Modification
  224. 6SL7 Phono Preamp
  225. Grounded Grid Preamp
  226. Formula question
  227. 6N9S different versions
  228. Stoetkit Amps
  229. PSUD question
  230. 6922 -- curing the ultrasonic RIAA blues
  231. Need Help Setting Heater Voltage
  232. Sub-Miniature Tube Amplifier
  233. Burned out power tube
  234. www.agora.lesina.org
  235. suggestions for a rectifier
  236. scott 222 recap issues
  237. Adcom integrated/tube amp project
  238. Auricaps - 400V vs 450V (SimpleSE)
  239. ratings of output transformer???
  240. Reverb insertion losses
  241. Class-g / class-h
  242. Cascading gain stages in a tube preamp
  243. OT impedances calculations: where's my mistake??
  244. phase splitting transformers
  245. Tubelab some simpleSE related Qs
  246. 6L6 PPP UL amp
  247. g2 driven tubes
  248. Selecting an IT impedance
  249. preamp get a hum when volume is at full or 80% is thier away to stop it??
  250. What can you replace the 12AU7A with???

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