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  1. isolating mounts for transformers
  2. guitar amp
  3. Help with 5692 line amp
  4. needs schematic SLF-1
  5. Which one with lower noise?
  6. 12A tube??
  7. E180F triode-strapped.
  8. Any comment for my new face for all diyer
  9. EL509 Alternatives for this amp
  10. questions about 01A / 483 pre-amp.
  11. Need help evaluating 2A3 transformer coupled designs
  12. Question for Joel (5755/6BQ5)
  13. Sweep tube amp...comments?
  14. How's about a Depletion Mode / Enhancement Mode CCCS
  15. Otl ?
  16. quicksilver 8417 hum
  17. Any Europeans here going to VSAC?
  18. When using a DC filament supply on a DHT...
  19. need single state preamp schmatic.
  20. Help with lowering filament winding voltage.
  21. some schematic questions by newbie help!
  22. Could a filament transformer be used as a grid choke?
  23. Joule electra LA150
  24. my first tube amp is running (sort of)- help kill the hum
  25. tube cd output advice
  26. DC to DC converters for tube preamplifier
  27. Cathode follower for a newbie ?
  28. Any info on a Trio AF-220 tuner?
  29. Inpol
  30. Quicksilver 8417
  31. Battery bias below EL84/6BQ5
  32. CCS loaded ECC99 calculations/questions
  33. J.E. Labs 2A3
  34. valve/miniature can hiss
  35. Photo Gallery
  36. Photo Discussion
  37. Looking for a cheap amp?
  38. Scrap or save?
  39. No Lima show
  40. 6DJ8 Tubes
  41. Amp Photos?
  42. Tekni-fi Tiny Tube RIIA stage
  43. srpp or m-follower?
  44. Elliptron Schematic
  45. 6d22s
  46. Vg=0 distortion
  47. class A S.E. OTL
  48. Power Tube 40?
  49. Designing for guys who like designing
  50. push pull 845
  51. tube rectifier and tda 1543
  52. amp project query
  53. tube matching fixture
  54. rec. for creative ideas for alternative tube amp chassis
  55. Who knows where to get 1200v Silicon Carbide Schottkys ?
  56. Bottlehead questions for a tube neophyte
  57. 6CM7 another tube in disguise?
  58. Mixing SE and push-pull
  59. Interstage resistor question
  60. 6L6GC/EL34 SE Stereo Design
  61. Heater power supply help
  62. 2a3 Se Amp With 5k Opt?
  63. 12B4A Linestage & PSU
  64. Info on VAA-70MKII? Please...
  65. AC Cap for DC use
  66. AC or DC???
  67. 12B4A as tube buffer?
  68. A question of bias...
  69. 6336A valves
  70. a better pentode for less!
  71. Troubleshooting a single ended EL84
  72. Transcendent Sound's T16 OTL
  73. Ear 834
  74. Guitar Tube Amp that uses KT88, 300B, 2A3, else
  75. Anyone ever owned/seen one of these?
  76. topology and PSRR
  77. A few questions
  78. Help Need the VSE SuperReg schematic!
  79. It plays music!!!!
  80. Anybody Has 6b4g Se Power?
  81. Bottlehead gear, buschhorns pics
  82. A new source for SE output transformers?
  83. help troubleshooting this diy pre-amp
  84. High Frequency Clipping in EL84 SE
  85. Basic Q on tube amp design
  86. Pentode cathode follower with regulated screen voltage?
  87. Starting my Bottlehead Paramour 2A3 build
  88. Seeking advice on my first shot in designing a 5842 DC'ed to 45
  89. Improving the Futterman
  90. Help with plate chokes
  91. OTL ver.6 Ciuffoly
  92. EL84 DPP and Full Range problem
  93. Where can I bought some Tubes in England?
  94. 12E1 tubes (help)
  95. Correct values for this schematic?
  96. Radford STA25
  97. A dumb question about coupling caps.
  98. "Mainframe" breadboard
  99. Velleman K4040 tube amp user feedback sought
  100. possible project for me, tube preamp.
  101. PSUD modelling of a filament supply
  102. Tube sound PC Mainboard
  103. 6C45PI contant current source
  104. Estimating choke size ?
  105. 6550 Users Beware...
  106. i finally got around to fixen it
  107. Going Balanced All The Way...
  108. Integrated Kit Thoughts?
  109. Any shows in the midwest or east coming up?
  110. Bottlehead meet in Houston pictures
  111. Very Cheap Valve preamplifier
  112. Figuring plate resistor values or tubes 101
  113. Preamp PSU questions
  114. Tube condition question
  115. Fender guitare tube
  116. Vacuum Tube Current Sink Drive???
  117. VSAC show
  118. 5687 line amp with 0D3 regulator
  119. Phono Stage Only?
  120. 15 W out of single SE KT88 ?
  121. Tube guitar amplifier circuit
  122. LS terminals to earth?
  123. Can anyone comment on the tektron 300b/2a3?
  124. Indy audio show
  125. Lifespan of old oil caps
  126. EQ Bypass Question
  127. Do these scope traces mean something is oscillating?
  128. Help With Flavors of Tubes
  129. beggar's tube amp
  130. Anybody know the whereabouts of Alan Kimmel?
  131. Audionote Conquest PCB Layout
  132. Looking for a Preamp
  133. Recommendations on a simple design?
  134. Line stage
  135. Need recomdations on a lineamp
  136. The world turned upside down
  137. Wavac MD300B
  138. PSpice model for Outputtranformers
  139. transformers
  140. schematics for the se 1000 audio innovations
  141. Conrad johnson topology
  142. HALOJOY - tube amp new bie - NEEDS HELP
  143. help with plate supply
  144. Grid current and direct coupling
  145. Tension on chassis
  146. silver corrosion
  147. Switching circuit help needed
  148. passive bi-amping parts
  149. DRD Amps
  150. AuriCap
  151. help with heater supply
  152. i've got these tubes here, and i don't know what to do with them
  153. Can anyone comment on the Telefuken v311
  154. Are these tubes worth annything?
  155. Asc/Angela vs Black Gate caps
  156. Low output impedance pre
  157. AudioCap PPT Theta for tube amps?
  158. Pcc88
  159. BG N/NX as tube output caps? possible?
  160. Is anyone here familiar with Butler Audio amplifiers?
  161. Telefunken smooth vs.ribbed plate 12AX7
  162. SIE chokes -- how much current
  163. 6GM8+MOSFET=car amp?
  164. Switched power supply?
  165. Plytron/Amplimo 4070-CFB OTF's
  166. How to test output transformers
  167. How much feedback is too much feedback
  168. Hey, I'm looking for some of that "tube sound"!
  169. Help with ccs
  170. plate characteristic curves help
  171. heater supply (xformer specs are 6.3V 2.5A) as supply for a power LED?
  172. KT88 Recomendation
  173. Quicksilver mini mono block amps?
  174. Conrad Johnson PV-7 noise
  175. Buzzing, could it be a ground loop?
  176. Cooling of Vacuum Tubes
  177. Ground loop problems - looking for opinions
  178. low voltage tubes (6GM8 and 12DL8)
  179. replacing diodes in my tubed-cd player
  180. .005pf capacitor anyone?
  181. does a choke have polarity?
  182. Grounding OPT secondaries?
  183. DRD: Simpler path to bliss?
  184. More From the Archives: 6W6 PP
  185. Spice model
  186. HFT-90 anyone rebuild one before?
  187. How do you use a 0D3 regulator?
  188. Tube manufacturer Trivia Question
  189. Idiots question on resistors.
  190. transformer mounting...
  191. Power supply help
  192. First Time Tube Amp
  193. Where can I find choke and cap for Dynaco MKIII?
  194. 6H30Pi & 6C45 Datasheet
  195. Center tapped choke loading
  196. first attempt at phono preamp, will this work?
  197. please give some comment for this preamp sch
  198. phono tube preamp?
  199. Counterpoint SA-12
  200. Frankenhouse
  201. Conrad Johnson Premier 10
  202. Preamp pictures.
  203. power amp using kt88
  204. More pictures as my project took a little leap forward
  205. why is the plate supply called B+?
  206. 40WTriode/60Watt Ultralinear amp
  207. Where can I get an amplifier kit
  208. Cheap valve amp kit... Anyone else thinking of having a try ?
  209. My first amp - a direct coupled 2A3
  210. Amp with 300B and ECC99 - your opinion?
  211. Sequence in which grounds are connected
  212. 6AS7 Idea
  213. Recommended primary output impedance for triode strapped EL34?
  214. JJ Tesla ECC99 as a driver for 300B-2A3
  215. More Output
  216. Class B designs with high fidelity?
  217. Very simple P-P output stage...will it work?
  218. Drawing schematics?
  219. Max power output chart for SE and PP
  220. tube/SS hybrid (low power)- need tube help
  221. The look of distortion.
  222. dynaco pas3 power supply
  223. Which RCA 2A3 to buy?
  224. Help with new amp ideas...
  225. -----testing Tubes----
  226. Motorized Pots
  227. Help Me Choose a Sensible Power Amp
  228. newbie everything...
  229. Plate load for 6SN7 gain stage?
  230. I really need help with this preamp!
  231. Tube Volume Knob "Power Soak"
  232. GEC date codes
  233. output impedence of CF? and a 6L6 question
  234. Plate curve calculations - am I doing this right?
  235. Parts source for M.Hubers P.S. regulator?
  236. is 6X5 a 6X4 in an octal form?
  237. finally finished computer amp!
  238. Output impedience ?
  239. Cheap valve pre-amp kit - comments please...
  240. Newbie Questions
  241. Anyone ever us a 6AF6G as a power indicator?
  242. Switchercad symbols
  243. preamp-amp tap - would this work
  244. Gibson GA-30 thinking about selling$$$
  245. PP output stages - different OPT primary Z
  246. HandWoundTransformers
  247. 300V PSU for 6sn7 tube output stage in dac
  248. First time building a tube amp: Help please
  249. A small question... maybe not
  250. Schematic help!

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