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  1. finally finished computer amp!
  2. Output impedience ?
  3. Cheap valve pre-amp kit - comments please...
  4. Newbie Questions
  5. Anyone ever us a 6AF6G as a power indicator?
  6. Switchercad symbols
  7. preamp-amp tap - would this work
  8. Gibson GA-30 thinking about selling$$$
  9. PP output stages - different OPT primary Z
  10. HandWoundTransformers
  11. 300V PSU for 6sn7 tube output stage in dac
  12. First time building a tube amp: Help please
  13. A small question... maybe not
  14. Schematic help!
  15. Siemens 7308 Gold Pin
  16. PX25 operating points
  17. Who do you buy parts from?
  18. OTL preamplifier
  19. SF4007 vs 1n5408 rectifier diodes
  20. Old little audio transformers
  21. hum problems with my amp, still
  22. russian6c33b
  23. A 10W ultralinear amplifier with unique features.
  24. good or bad ?
  25. Tube SPL
  26. Recommend a kit for me!
  27. Seeking help about my 2A3 to 45 conversion
  28. DuncanAmps PSU Designer Question
  29. Starting on my first amp, have some questions
  30. 40 yrs old philips ag9016 se flea-power ?
  31. can I use OFC speaker cables
  32. Rectifier tubes
  33. From stereo to monoblocks
  34. Traductor Please !!!
  35. Point to point or use a PCB
  36. Good choices for a first tube amp?
  37. I need some help and answers!!
  38. nice cd player
  39. Advice for newbie
  40. tubegasim
  41. choke/transformer loaded Nuvistors
  42. preamp fie 6L6 PP power amp?
  43. preamp for buddys computer
  44. Building: Need Help
  45. Where to get tubes in Moskva
  46. rectifier tube 5u4g
  47. 5687 Line Stage
  48. Building tube amp in wooden box(es)
  49. Problems with OTP's
  50. How to add an HT bypass?
  51. DC filament supply AC ripple affect on overall hum
  52. 6021 opinions
  53. Strange but true...?
  54. Old russian tube radio
  55. SEPP design is it better then conventional PP
  56. Suitability of ECL84 tubes for audio
  57. How much capacitance for tube rectified PSUs?
  58. low cost pre amp plans
  59. Something new
  60. SE 6L6 amp (missile amp)
  61. Voice of Music 1448 - info?
  62. Where to buy powertube KT88 or 6550C ?
  63. Measuring amp output power
  64. help battery biasing 6dj8's
  65. information needed...Antique Sound USA PA-3 preamp
  66. TUBE ART 2A3 Black Plate
  67. Single section equivalent of 6SL7
  68. simple hybrid idea
  69. Idea about converting Musical Fidelity X-10 to a pre-amp
  70. 7812 TO220 regulator little help please
  71. Tube choice for tubed crossover
  72. Help me with my tube grocery list!
  73. Pics of my 6BM8 - The Gnat....
  74. going to build a 12au7 pre what do you think?
  75. Rectifier Sound
  76. 83 safety rules
  77. #47 DH pentode operated in triode
  78. My first cadge in over 1500 posts!
  79. Russian oil caps ?
  80. I wonder how this tube will sound...
  81. Ahhh.... no. I don't think I'll use *that* tube.
  82. WANTED oscillation!?! rf nuts please help
  83. Audio Innovations Classic 25 web page
  84. I need a 6A7, 88, and 89 tube.
  85. simple preamp with e288cc suggestions
  86. Pictures of my test-setup
  87. Easy ways of measuring output impedance of tube stages
  88. cheap tubes are just not worth it
  89. 2 OTs per channel?
  90. whats a good time for breaking in tubes
  91. Regulated vacuum tube rectifier cct.
  92. SEPP design any exposure?
  93. Cathode follower Class A output stage?
  94. Which OPT is fit to our taste.
  95. Morgan Jones tube amp and equalization
  96. Photoflash Caps for PSU
  97. Direct heated tubes with centre tap on filament
  98. Velleman K8020 Tube Preamp
  99. Bias Tap on Hammond Trannys
  100. High voltage umbilical and connectors / 1 box for PSU 1 box for amplifier in kit88
  101. Buzz, then blown fuses
  102. electrolytic vs non ellyt
  103. help with pinout
  104. Power Transformer Voltage
  105. Ideas for regulated B+ supply?
  106. How to record on a Grundig reel-reel??
  107. A choked Monkey, please!
  108. Any thoughts on this Philly Audio preamp design.
  109. Chokeless monkey
  110. Cool tube I came across... could it be used for audio?
  111. Output transformer Impedance
  112. Any suggestion for cheapest SET amplifier project
  113. Can anyone give more info on this amp?
  114. PSU for my linestage, will it work.
  115. Quality 6922 Tubes
  116. Night dreaming? / Middle of the night bloom
  117. 6C45 PP IT 845SE amp.
  118. Avalon VT747SP schematic needed
  119. PreampPSU need help
  120. How much would you pay?
  121. Latest 6B4G PP and some thoughts about signal return paths...
  122. Stereo SRPP - one dual triode tube per channel, or...?
  123. Found an old tube at school
  124. Help with hum small hum problem...
  125. No bang, no flash, just music!
  126. Negative Feedback
  127. Vaa100es Mkii (please Help!!!)
  128. Can all tubes be heated with DC?
  129. I've put loadlines aside for a while...
  130. A new masterpiece to add to the family...
  131. schematic for for McINTOSH C30 preamp
  132. Krohn Hite amps, are they any good?
  133. Could someone please help me understand this equation?
  134. Small amp to drive Ribbon Tweeters
  135. This work guyz...
  136. That's it! I've had it!
  137. 12BH7 is microphonic
  138. Relpacing power supply caps in Quad 2
  139. looking for 'nice' warm'euphoric tube sound
  140. 5AR4 & 5U4G Rectifier Questions...
  141. Anyone seen the JJ 2A3?!
  142. A plug'n'play EL34/KT66/6B4 SE amp
  143. Good old Fender Twin Reverb
  144. AC Motor Start Caps for PS use
  145. Parafeed Circuit
  146. Thoughts on output PP trannies
  147. European TV damper diodes..
  148. the case of the arcing tube
  149. Have any of you intentionally rolled off the bass in your amplifiers?
  150. schematic for Audio Research SP11?
  151. Svetlana Sales agents in Russia
  152. Dodd Audio Dodd Amp
  153. help with schematic
  154. Western Electric
  155. 6C45P Anode choke or resistor?
  156. The National Vintage Communication Fair
  157. ASL wave 8 monoblocks
  158. 6V6 Guitar Amp
  159. Tube failure
  160. Power Supply Question
  161. Audio Innovations Series 300
  162. Audio Research D90 - Info
  163. Audio Note's Kit One done in point-to-point wiring
  164. Simple PSU question
  165. Getting my feet wet with PSUD
  166. teflon 23ga. hookup/signal wire?...
  167. a simple preamp with 5687 tubes
  168. Oscillations-total newbie question
  169. Quad volume control?
  170. Berman 76 preamp schematics
  171. Schematic + PCB
  172. KT77 or EL34
  173. How to Install UX4 Socket without Punch
  174. michaelson & austin tva 10
  175. High end Tube mono amp
  176. SPICE modeling
  177. Strange phase splitter design !?!?
  178. DC filaments setup
  179. line stage loven
  180. Pics of my new amp!
  181. screen grid decoupling cap question....
  182. Rozenblit's amps
  183. Sansui AU-111 tube amp schematic
  184. Tubes from Elektronska Tndustrija
  185. Aesthetix I/O & Callisto
  186. pc motherboard with audio tube
  187. ecl82/6bm8 push pull special designs
  188. Tube/Transformer Positioning on Chassis
  189. Leak TL12 replica using 807s?
  190. Tube reference book in pdf
  191. the EL-509 tube
  192. One Electron Ubt-2 Se Opt's Cheap
  193. ESL amp: tubes vs solid state: where is the winner?
  194. How much current will...
  195. handwound transformers.com
  196. bogen amp
  197. KT81 data sheet?
  198. tube parts libary for Eagle PCB
  199. Attn: Electro-Voice enthusiasts!
  200. Help! Dumb questions about a spec sheet....
  201. 37 / 6080 pre-amp
  202. Tube differential amp..not better than opamps
  203. DAC out to preamp = signal loss?
  204. Best Socket Material?
  205. can vt76 drive a 45 tube ? thanks nt
  206. My new tube DAC output
  207. Dynaco st-70
  208. Favorite 6H30 Operating Points
  209. A 76-6SN7 driven 300B
  210. Amplifier Design
  211. Tube Hybrid 25W Class-A, Opinions?
  212. Joel's 6sn7 Round 2...
  213. Finally built my 6SL7, 2A3/6A3 amp
  214. Tube article in EDN
  215. can this thing improve the sound??
  216. Bell schematic
  217. estimated price tube preamp
  218. Battery tubes
  219. 6.3V rectifiers....
  220. how do i figure out what's wrong with this (vintage) amp
  221. Where’s ECC81 data?
  222. Small pentodes push pull tube amps
  223. Buying new tubes
  224. Help with Hybrid Shuntregulator!
  225. Tube Preamp Coloring Box?
  226. "Parafeed trafo inverted phase"
  227. Tubes to avoid
  228. Is there a stock 6c33c-b Transformer?
  229. How does one "breadboard" an amp?
  230. help please, designing preamp
  231. help designing preamp
  232. Help needed here
  233. Line matching trafos as OPT's, and other cheapskate ideas? Any good?
  234. cheap SE amps
  235. Comments on 71a PP Pre-amp
  236. Depletion mode mosfet cascoded constant current source.
  237. Preamp schematic...
  238. A very stupid mistake!!!!!
  239. Interesting challenge:GU 50 output stage!
  240. Wiring Filaments with Center Tapped Secondaries
  241. Walt Jung(?) tube opamp
  242. Bottlehead Seduction Phono stage
  243. For all new tube junkies
  244. Quicksilver 8417 model changes
  245. Exact RIAA numbers?
  246. which 300B project? help please
  247. PP-KT88 Kit Opinion
  248. Microphonics
  249. ...Baby tube Guitar amp...
  250. Acoustat X amp schematic

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