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  1. The Emperor's New Amplifier
  2. SE sound from a P-P amplifier
  3. How does a VAC Renaissance 70/70 get 65W from 4 300Bs?
  4. Opinions about T.A.C. amplifiers?
  5. TRIAD specs. needed!
  6. Can you make 0-5V DC out of 2.5-0-2.5V AC
  7. absoluteli newbie from solid.any seriuos help?
  8. Quality and sound of Lundahl transformers?
  9. Anyone ever tried these output transformers?
  10. B+ delay circuit
  11. Regulated Supplies in Tube Amps
  12. Just fired up my CCS'd ECC99 -> SE 2A3
  13. Tube amp for the car
  14. My plans for this kit, any comment to improve!!!!
  15. Query....CCDA for Mark III
  16. Using a transformer as a filter
  17. Quality of Hammond 300 series power transformers compared to 200 series?
  18. Marantz preamp
  19. Octal Cornet
  20. Raven using Lundahl instead Sowter
  21. Vote NOW for a globe TJ meshplate 45.
  22. Jadis Defy 7 Help!
  23. How do I calculate (or measure) my amp's output impedance?
  24. 6CD6GA for amplifier
  25. Troubleshooting a PP EL34
  26. Hum problem, but on the tweeter (!?)
  27. isolating mounts for transformers
  28. guitar amp
  29. Help with 5692 line amp
  30. needs schematic SLF-1
  31. Which one with lower noise?
  32. 12A tube??
  33. E180F triode-strapped.
  34. Any comment for my new face for all diyer
  35. EL509 Alternatives for this amp
  36. questions about 01A / 483 pre-amp.
  37. Need help evaluating 2A3 transformer coupled designs
  38. Question for Joel (5755/6BQ5)
  39. Sweep tube amp...comments?
  40. How's about a Depletion Mode / Enhancement Mode CCCS
  41. Otl ?
  42. quicksilver 8417 hum
  43. Any Europeans here going to VSAC?
  44. When using a DC filament supply on a DHT...
  45. need single state preamp schmatic.
  46. Help with lowering filament winding voltage.
  47. some schematic questions by newbie help!
  48. Could a filament transformer be used as a grid choke?
  49. Joule electra LA150
  50. my first tube amp is running (sort of)- help kill the hum
  51. tube cd output advice
  52. DC to DC converters for tube preamplifier
  53. Cathode follower for a newbie ?
  54. Any info on a Trio AF-220 tuner?
  55. Inpol
  56. Quicksilver 8417
  57. Battery bias below EL84/6BQ5
  58. CCS loaded ECC99 calculations/questions
  59. J.E. Labs 2A3
  60. valve/miniature can hiss
  61. Photo Gallery
  62. Photo Discussion
  63. Looking for a cheap amp?
  64. Scrap or save?
  65. No Lima show
  66. 6DJ8 Tubes
  67. Amp Photos?
  68. Tekni-fi Tiny Tube RIIA stage
  69. srpp or m-follower?
  70. Elliptron Schematic
  71. 6d22s
  72. Vg=0 distortion
  73. class A S.E. OTL
  74. Power Tube 40?
  75. Designing for guys who like designing
  76. push pull 845
  77. tube rectifier and tda 1543
  78. amp project query
  79. tube matching fixture
  80. rec. for creative ideas for alternative tube amp chassis
  81. Who knows where to get 1200v Silicon Carbide Schottkys ?
  82. Bottlehead questions for a tube neophyte
  83. 6CM7 another tube in disguise?
  84. Mixing SE and push-pull
  85. Interstage resistor question
  86. 6L6GC/EL34 SE Stereo Design
  87. Heater power supply help
  88. 2a3 Se Amp With 5k Opt?
  89. 12B4A Linestage & PSU
  90. Info on VAA-70MKII? Please...
  91. AC Cap for DC use
  92. AC or DC???
  93. 12B4A as tube buffer?
  94. A question of bias...
  95. 6336A valves
  96. a better pentode for less!
  97. Troubleshooting a single ended EL84
  98. Transcendent Sound's T16 OTL
  99. Ear 834
  100. Guitar Tube Amp that uses KT88, 300B, 2A3, else
  101. Anyone ever owned/seen one of these?
  102. topology and PSRR
  103. A few questions
  104. Help Need the VSE SuperReg schematic!
  105. It plays music!!!!
  106. Anybody Has 6b4g Se Power?
  107. Bottlehead gear, buschhorns pics
  108. A new source for SE output transformers?
  109. help troubleshooting this diy pre-amp
  110. High Frequency Clipping in EL84 SE
  111. Basic Q on tube amp design
  112. Pentode cathode follower with regulated screen voltage?
  113. Starting my Bottlehead Paramour 2A3 build
  114. Seeking advice on my first shot in designing a 5842 DC'ed to 45
  115. Improving the Futterman
  116. Help with plate chokes
  117. OTL ver.6 Ciuffoly
  118. EL84 DPP and Full Range problem
  119. Where can I bought some Tubes in England?
  120. 12E1 tubes (help)
  121. Correct values for this schematic?
  122. Radford STA25
  123. A dumb question about coupling caps.
  124. "Mainframe" breadboard
  125. Velleman K4040 tube amp user feedback sought
  126. possible project for me, tube preamp.
  127. PSUD modelling of a filament supply
  128. Tube sound PC Mainboard
  129. 6C45PI contant current source
  130. Estimating choke size ?
  131. 6550 Users Beware...
  132. i finally got around to fixen it
  133. Going Balanced All The Way...
  134. Integrated Kit Thoughts?
  135. Any shows in the midwest or east coming up?
  136. Bottlehead meet in Houston pictures
  137. Very Cheap Valve preamplifier
  138. Figuring plate resistor values or tubes 101
  139. Preamp PSU questions
  140. Tube condition question
  141. Fender guitare tube
  142. Vacuum Tube Current Sink Drive???
  143. VSAC show
  144. 5687 line amp with 0D3 regulator
  145. Phono Stage Only?
  146. 15 W out of single SE KT88 ?
  147. Tube guitar amplifier circuit
  148. LS terminals to earth?
  149. Can anyone comment on the tektron 300b/2a3?
  150. Indy audio show
  151. Lifespan of old oil caps
  152. EQ Bypass Question
  153. Do these scope traces mean something is oscillating?
  154. Help With Flavors of Tubes
  155. beggar's tube amp
  156. Anybody know the whereabouts of Alan Kimmel?
  157. Audionote Conquest PCB Layout
  158. Looking for a Preamp
  159. Recommendations on a simple design?
  160. Line stage
  161. Need recomdations on a lineamp
  162. The world turned upside down
  163. Wavac MD300B
  164. PSpice model for Outputtranformers
  165. transformers
  166. schematics for the se 1000 audio innovations
  167. Conrad johnson topology
  168. HALOJOY - tube amp new bie - NEEDS HELP
  169. help with plate supply
  170. Grid current and direct coupling
  171. Tension on chassis
  172. silver corrosion
  173. Switching circuit help needed
  174. passive bi-amping parts
  175. DRD Amps
  176. AuriCap
  177. help with heater supply
  178. i've got these tubes here, and i don't know what to do with them
  179. Can anyone comment on the Telefuken v311
  180. Are these tubes worth annything?
  181. Asc/Angela vs Black Gate caps
  182. Low output impedance pre
  183. AudioCap PPT Theta for tube amps?
  184. Pcc88
  185. BG N/NX as tube output caps? possible?
  186. Is anyone here familiar with Butler Audio amplifiers?
  187. Telefunken smooth vs.ribbed plate 12AX7
  188. SIE chokes -- how much current
  189. 6GM8+MOSFET=car amp?
  190. Switched power supply?
  191. Plytron/Amplimo 4070-CFB OTF's
  192. How to test output transformers
  193. How much feedback is too much feedback
  194. Hey, I'm looking for some of that "tube sound"!
  195. Help with ccs
  196. plate characteristic curves help
  197. heater supply (xformer specs are 6.3V 2.5A) as supply for a power LED?
  198. KT88 Recomendation
  199. Quicksilver mini mono block amps?
  200. Conrad Johnson PV-7 noise
  201. Buzzing, could it be a ground loop?
  202. Cooling of Vacuum Tubes
  203. Ground loop problems - looking for opinions
  204. low voltage tubes (6GM8 and 12DL8)
  205. replacing diodes in my tubed-cd player
  206. .005pf capacitor anyone?
  207. does a choke have polarity?
  208. Grounding OPT secondaries?
  209. DRD: Simpler path to bliss?
  210. More From the Archives: 6W6 PP
  211. Spice model
  212. HFT-90 anyone rebuild one before?
  213. How do you use a 0D3 regulator?
  214. Tube manufacturer Trivia Question
  215. Idiots question on resistors.
  216. transformer mounting...
  217. Power supply help
  218. First Time Tube Amp
  219. Where can I find choke and cap for Dynaco MKIII?
  220. 6H30Pi & 6C45 Datasheet
  221. Center tapped choke loading
  222. first attempt at phono preamp, will this work?
  223. please give some comment for this preamp sch
  224. phono tube preamp?
  225. Counterpoint SA-12
  226. Frankenhouse
  227. Conrad Johnson Premier 10
  228. Preamp pictures.
  229. power amp using kt88
  230. More pictures as my project took a little leap forward
  231. why is the plate supply called B+?
  232. 40WTriode/60Watt Ultralinear amp
  233. Where can I get an amplifier kit
  234. Cheap valve amp kit... Anyone else thinking of having a try ?
  235. My first amp - a direct coupled 2A3
  236. Amp with 300B and ECC99 - your opinion?
  237. Sequence in which grounds are connected
  238. 6AS7 Idea
  239. Recommended primary output impedance for triode strapped EL34?
  240. JJ Tesla ECC99 as a driver for 300B-2A3
  241. More Output
  242. Class B designs with high fidelity?
  243. Very simple P-P output stage...will it work?
  244. Drawing schematics?
  245. Max power output chart for SE and PP
  246. tube/SS hybrid (low power)- need tube help
  247. The look of distortion.
  248. dynaco pas3 power supply
  249. Which RCA 2A3 to buy?
  250. Help with new amp ideas...

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