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  1. Power Supply for 300B Monoblock
  2. Matisse Line Amp
  3. Panel mounting on a woode case
  4. Hardware??
  5. another way to turn a pentode or tetrode into a triode
  6. 0Z4 as a rectifier?
  7. Unused HV windings on power transformer
  8. Mundorf M-Lytic and Silver-in-Oil Capacitors
  9. grainy preamp gain
  10. Need help with PS for 1626 "Darling" amp
  11. questions about power supply for 6l6 pp
  12. Proof that demagnetizing tubes works
  13. ECC88/5687/2A3 amp voltages
  14. What can I do with these? (tube and OPT question)
  15. Blowing fuses
  16. questions about transfo
  17. Common Cathode Resistor
  18. Why a Zobel network across OPT primary or secondary?
  19. Morgan Jones "Valve Amplifiers"
  20. Why?
  21. 833 push pull design help
  22. Lamm schematics
  23. Mu Followers -- ressources?
  24. Pennsylvania DIY's
  25. Interstage trans? Yes please!
  26. What's wrong with UL anyway ?
  27. SE amp like mcintosh ?
  28. 300b Push Pull Interstage Tsf
  29. amp stages...
  30. Heater supply recommendation for 6922?
  31. hi-end?
  32. Just a quicky
  33. Question on Mains Transformer
  34. Help! Who is the dirtributors of 6V4/EZ80 and 6H30/6N30?
  35. SE 6AS7 amp question
  36. Timed switch on B+ in power supply, good idea?
  37. Parts Sourcing
  38. Power Supply Question
  39. tube amp kits
  40. in search of a schematic
  41. heater wiring
  42. 5A/152M perfect driver? SPICE?
  43. 12AU7 -> 12BH7 Do I need to change Rp?
  44. Need help understanding transformer impedance ratios and impedance matching
  45. Audio schematics for GU50 ????
  46. 6sn7 & 6sn7GTB
  47. Tube amp schematic - any thoughts?
  48. tube distortion effect.
  49. tube rolling Blue Circle BC 21 preamp
  50. A sorry tale which will make you cry !!!
  51. Variac problems
  52. tubeamp project, weekend timekiller
  53. isolated supply grounding
  54. Car preamp with Aikido
  55. Audio Note M1 potentiometer question
  56. Beginner , tube kit suggestions please
  57. Question on OPT
  58. Telefunken S80 Stereo ECL82 Amp- any comment?
  59. Active crossovers using Tubes
  60. 300BSE power amplifier circuit
  61. tube buffer using 12bz7
  62. "Complete" SE KT88
  63. Output Tube biasing for Toroidal Output Transformer
  64. Cardas Golden Capacitors
  65. Tube Buffer for CD-PRO2M (6922)
  66. Troubleshooting fuse blowing
  67. Billington valves and quallity
  68. Regulated PSU, your comments please.
  69. Change coupling cap from .47uf to 2.2uf
  70. RIAA Schematics?
  71. Line out for subwoofer in tube amps
  72. Feedback in IT coupled amps?
  73. Filemant Voltage
  74. DC compensated SE output transformer
  75. Winding an audio transformer
  76. Tube effects Loop Schematics... ?
  77. KT100...what's this ??
  78. Help measuring output impedience
  79. tubes
  80. Need PP KT-88 amp design and KT-88 for triode use?
  81. 7241 tube
  82. Max B+ for 807 UL?
  83. Problem with my Darling!
  84. Effect of cross-coupled "local" FB on plate load of previous stage
  85. DC coupled long tailed pairs
  86. I need an advice for these tubes..
  87. Anode Resistors on PPP Amps
  88. help with modifing a H/K A500 amp
  89. Damper Diode Musings
  90. Heater Question
  91. Push pull designs.
  92. Anybody heard about Tarzian Silicon Rectifier for Tube Rectifier Replacement?
  93. Voice of Music 555 phonograph
  94. Direct driving of GM70 by one ECL86 ???
  95. Bogen amp schematic
  96. 6336a
  97. Power transformer colors & wiring
  98. Stepped Attenuator and Selector Switch
  99. Music without speakers? Need help.
  100. el84 ultra linear datat sheet
  101. 2a3 layout
  102. Matisse Ref per amp
  103. Recommendations for Simple SET Amp Topologies
  104. HV power supply repair
  105. Grundig Model 3265U Restore?
  106. Valve Art EL 156!
  107. Classe A 6550 40W
  108. Lafayette Bypass Option
  109. Plate curves or Op Point for 6KN8?
  110. 12e1 sub for 807 ?
  111. Extremely low power and low loss transformers
  112. looking for power supply diagram SE 813 45 Watt
  113. How to make this 6C33C better??
  114. All octal 6AS7 PP amp is it possible?
  115. Toroids VS EI Transfomers
  116. Bias secrets for a HH Scott 233?!?
  117. new idea of DHT heater supply
  118. UL40-S2 schematic
  119. Eastern Audio transformers: any good?
  120. Tube monster amplifier
  121. Big pentode help!
  122. which one?
  123. system matching
  124. a 5ar4 problem
  125. coupling capacitor intermediate values
  126. Quicksilver Mono 60 upgrades
  127. Can anything be done
  128. OTL ECC88 amp
  129. Bridging Mono Blocks
  130. Cathode-coupled Phase Splitter Formula
  131. Drd 45, 300b
  132. SV572-30: Opinions?
  133. Poor man's transformer volume control?
  134. Output current of this CAT SL-1 schematic ?
  135. Fixed Bias Circuit for 300B
  136. want to build SE450TL
  137. Tubes lifetime and sound
  138. Heater supply problem?
  139. Lowering HV secondary on Power Transformer
  140. Van der Veen 70W tube Amp DIY
  141. 5751 for marantz 7 linestage
  142. To be or not to be, UL or quad?
  143. Tube Failure
  144. 12AX7 Compared!
  145. transformer case grounding
  146. pre/amplifier grounding
  147. First Time Amp
  148. 6ck4 pp amp
  149. JJ electros, any good?
  150. fun with amps
  151. Newbie needs clarification
  152. looking for powerful Single Ended diagram.
  153. Power amp output newbie question
  154. SE ultralinear amplifier generate a lot of Odd harmonics ?
  155. Grounding Filament CT?
  156. one more 12B4A preamp
  157. 6V6PP -> 6L6 PP with triode connection.
  158. ? about powering a sub with a Fisher 30a mono amp.
  159. Pin out conversion 6V6-6AQ5A
  160. 211
  161. Nice looking rectifier tubes help
  162. Stepped attenuator inquiry
  163. Designing a Phonostage with the S&B 10K LCR RIAA Module
  164. 211 tube
  165. The T-Rex SET Amplifier DIY project
  166. Strange Wiring in Bogen 6v6 PP
  167. 6AS7 amp schematics
  168. Blue glow confused :(
  169. 6V6 SE and Screen Grid Voltage
  170. 6BQ5 <-> 6V6 without socket job...Any Idea?
  171. Melbourne, Australia valve enthusiasts check in!
  172. HELP! Blown R + HIGH V!
  173. PCB Pad Layout for B9A Noval
  174. DIY tube amps - help??
  175. New home made S.E amps
  176. Amplifier Oscillation
  177. First project, need guidance
  178. Cap max value after 6X5GT/EZ35 rectifier?
  179. Any tube-heads in Scotland?
  180. Care and Feeding of Tube Pins / Sockets
  181. MFA Luminescence--need schematic
  182. Tube technology amplifier
  183. Transformer questions
  184. Siemens C3g headamp problem
  185. rca83 hash?
  186. Skyline SK-10 Amplifier info?
  187. Tube Stereo Consoles from Thrift Stores
  188. Aikido amp theoretical questions
  189. 6V6 Single and 12AT7 SRPP
  190. What 45 SET amp should I build?
  191. Ping. Burnedfingers...
  192. ? problem with www.ampwares.com ?
  193. Pentode spud...?
  194. Type 46 as voltage amplifier
  195. Tube compressor problem!
  196. Using the 83
  197. Organ amp project
  198. Any feedback on these trannies?
  199. 300B PP bias and expected life time
  200. Mono block restoration
  201. Question about cathode bypass capacitor
  202. www.diytube.com Kits
  203. need help!
  204. Need opinion on PS for tube preamp.
  205. Stanley Mullard
  206. 6AK4, Anyone?
  207. interstage transformer
  208. Are matched sets important for this amp?
  209. What to do with ECC88's?
  210. EL38's ?
  211. Cables/tubes for Valve Amp
  212. 8233 / E55L Applications
  213. amplimo budget outputtransformer
  214. Output Transformers for WE-437a WOT Line Preamp
  215. plate resistor, input lead
  216. KT88 PP with Class-A/Class-AB switch
  217. very loud preamp
  218. Pentode current sink
  219. Hammond vs. James?
  220. Tubes for Scott Nixon dac
  221. James SE OPT for 300B & 2A3 on eBay
  222. pre-amp with 6as7??
  223. pre-amp with voltage gain from transformer only
  224. Help! Mystery tube (?) amp (type: HK56)
  225. Regulate the high voltage making better sound? (Preamp)
  226. Power Transformer
  227. Potentiometers UK
  228. AC 120V, neutral, hot, ground
  229. Counterpoint SA-220 Tube section advice needed
  230. 807 Amp
  231. Help me to choose the adequate ferrites
  232. Looking for KT88 circuits.
  233. Building a power amp - help
  234. Sovtek EL34WXT.
  235. Microphonic
  236. preamp gain and output transformer question
  237. Would an s5 K-12M kit suffice?
  238. 6c45 and passive volume control?
  239. Something of Interest to Newbies
  240. Chinese Tube Amp & DIY .. Pro & Con
  241. Franks Ultimate Preamp....
  242. Interstage Transformer Nomenclature
  243. PP or SE for Horns?
  244. Output transformer in SIMetrix?
  245. seampcad
  246. Looking for an amp project
  247. Unison Research Smart 845 schematics
  248. HELP - From the audiophile Heads - Amp Advice
  249. 8233, 8116 &amp; 6BZ6 valves - what are they good for?
  250. wires of output transformer are too thin!

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