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  1. Where to get tubes in Moskva
  2. rectifier tube 5u4g
  3. 5687 Line Stage
  4. Building tube amp in wooden box(es)
  5. Problems with OTP's
  6. How to add an HT bypass?
  7. DC filament supply AC ripple affect on overall hum
  8. 6021 opinions
  9. Strange but true...?
  10. Old russian tube radio
  11. SEPP design is it better then conventional PP
  12. Suitability of ECL84 tubes for audio
  13. How much capacitance for tube rectified PSUs?
  14. low cost pre amp plans
  15. Something new
  16. SE 6L6 amp (missile amp)
  17. Voice of Music 1448 - info?
  18. Where to buy powertube KT88 or 6550C ?
  19. Measuring amp output power
  20. help battery biasing 6dj8's
  21. information needed...Antique Sound USA PA-3 preamp
  22. TUBE ART 2A3 Black Plate
  23. Single section equivalent of 6SL7
  24. simple hybrid idea
  25. Idea about converting Musical Fidelity X-10 to a pre-amp
  26. 7812 TO220 regulator little help please
  27. Tube choice for tubed crossover
  28. Help me with my tube grocery list!
  29. Pics of my 6BM8 - The Gnat....
  30. going to build a 12au7 pre what do you think?
  31. Rectifier Sound
  32. 83 safety rules
  33. #47 DH pentode operated in triode
  34. My first cadge in over 1500 posts!
  35. Russian oil caps ?
  36. I wonder how this tube will sound...
  37. Ahhh.... no. I don't think I'll use *that* tube.
  38. WANTED oscillation!?! rf nuts please help
  39. Audio Innovations Classic 25 web page
  40. I need a 6A7, 88, and 89 tube.
  41. simple preamp with e288cc suggestions
  42. Pictures of my test-setup
  43. Easy ways of measuring output impedance of tube stages
  44. cheap tubes are just not worth it
  45. 2 OTs per channel?
  46. whats a good time for breaking in tubes
  47. Regulated vacuum tube rectifier cct.
  48. SEPP design any exposure?
  49. Cathode follower Class A output stage?
  50. Which OPT is fit to our taste.
  51. Morgan Jones tube amp and equalization
  52. Photoflash Caps for PSU
  53. Direct heated tubes with centre tap on filament
  54. Velleman K8020 Tube Preamp
  55. Bias Tap on Hammond Trannys
  56. High voltage umbilical and connectors / 1 box for PSU 1 box for amplifier in kit88
  57. Buzz, then blown fuses
  58. electrolytic vs non ellyt
  59. help with pinout
  60. Power Transformer Voltage
  61. Ideas for regulated B+ supply?
  62. How to record on a Grundig reel-reel??
  63. A choked Monkey, please!
  64. Any thoughts on this Philly Audio preamp design.
  65. Chokeless monkey
  66. Cool tube I came across... could it be used for audio?
  67. Output transformer Impedance
  68. Any suggestion for cheapest SET amplifier project
  69. Can anyone give more info on this amp?
  70. PSU for my linestage, will it work.
  71. Quality 6922 Tubes
  72. Night dreaming? / Middle of the night bloom
  73. 6C45 PP IT 845SE amp.
  74. Avalon VT747SP schematic needed
  75. PreampPSU need help
  76. How much would you pay?
  77. Latest 6B4G PP and some thoughts about signal return paths...
  78. Stereo SRPP - one dual triode tube per channel, or...?
  79. Found an old tube at school
  80. Help with hum small hum problem...
  81. No bang, no flash, just music!
  82. Negative Feedback
  83. Vaa100es Mkii (please Help!!!)
  84. Can all tubes be heated with DC?
  85. I've put loadlines aside for a while...
  86. A new masterpiece to add to the family...
  87. schematic for for McINTOSH C30 preamp
  88. Krohn Hite amps, are they any good?
  89. Could someone please help me understand this equation?
  90. Small amp to drive Ribbon Tweeters
  91. This work guyz...
  92. That's it! I've had it!
  93. 12BH7 is microphonic
  94. Relpacing power supply caps in Quad 2
  95. looking for 'nice' warm'euphoric tube sound
  96. 5AR4 & 5U4G Rectifier Questions...
  97. Anyone seen the JJ 2A3?!
  98. A plug'n'play EL34/KT66/6B4 SE amp
  99. Good old Fender Twin Reverb
  100. AC Motor Start Caps for PS use
  101. Parafeed Circuit
  102. Thoughts on output PP trannies
  103. European TV damper diodes..
  104. the case of the arcing tube
  105. Have any of you intentionally rolled off the bass in your amplifiers?
  106. schematic for Audio Research SP11?
  107. Svetlana Sales agents in Russia
  108. Dodd Audio Dodd Amp
  109. help with schematic
  110. Western Electric
  111. 6C45P Anode choke or resistor?
  112. The National Vintage Communication Fair
  113. ASL wave 8 monoblocks
  114. 6V6 Guitar Amp
  115. Tube failure
  116. Power Supply Question
  117. Audio Innovations Series 300
  118. Audio Research D90 - Info
  119. Audio Note's Kit One done in point-to-point wiring
  120. Simple PSU question
  121. Getting my feet wet with PSUD
  122. teflon 23ga. hookup/signal wire?...
  123. a simple preamp with 5687 tubes
  124. Oscillations-total newbie question
  125. Quad volume control?
  126. Berman 76 preamp schematics
  127. Schematic + PCB
  128. KT77 or EL34
  129. How to Install UX4 Socket without Punch
  130. michaelson & austin tva 10
  131. High end Tube mono amp
  132. SPICE modeling
  133. Strange phase splitter design !?!?
  134. DC filaments setup
  135. line stage loven
  136. Pics of my new amp!
  137. screen grid decoupling cap question....
  138. Rozenblit's amps
  139. Sansui AU-111 tube amp schematic
  140. Tubes from Elektronska Tndustrija
  141. Aesthetix I/O & Callisto
  142. pc motherboard with audio tube
  143. ecl82/6bm8 push pull special designs
  144. Tube/Transformer Positioning on Chassis
  145. Leak TL12 replica using 807s?
  146. Tube reference book in pdf
  147. the EL-509 tube
  148. One Electron Ubt-2 Se Opt's Cheap
  149. ESL amp: tubes vs solid state: where is the winner?
  150. How much current will...
  151. handwound transformers.com
  152. bogen amp
  153. KT81 data sheet?
  154. tube parts libary for Eagle PCB
  155. Attn: Electro-Voice enthusiasts!
  156. Help! Dumb questions about a spec sheet....
  157. 37 / 6080 pre-amp
  158. Tube differential amp..not better than opamps
  159. DAC out to preamp = signal loss?
  160. Best Socket Material?
  161. can vt76 drive a 45 tube ? thanks nt
  162. My new tube DAC output
  163. Dynaco st-70
  164. Favorite 6H30 Operating Points
  165. A 76-6SN7 driven 300B
  166. Amplifier Design
  167. Tube Hybrid 25W Class-A, Opinions?
  168. Joel's 6sn7 Round 2...
  169. Finally built my 6SL7, 2A3/6A3 amp
  170. Tube article in EDN
  171. can this thing improve the sound??
  172. Bell schematic
  173. estimated price tube preamp
  174. Battery tubes
  175. 6.3V rectifiers....
  176. how do i figure out what's wrong with this (vintage) amp
  177. Where’s ECC81 data?
  178. Small pentodes push pull tube amps
  179. Buying new tubes
  180. Help with Hybrid Shuntregulator!
  181. Tube Preamp Coloring Box?
  182. "Parafeed trafo inverted phase"
  183. Tubes to avoid
  184. Is there a stock 6c33c-b Transformer?
  185. How does one "breadboard" an amp?
  186. help please, designing preamp
  187. help designing preamp
  188. Help needed here
  189. Line matching trafos as OPT's, and other cheapskate ideas? Any good?
  190. cheap SE amps
  191. Comments on 71a PP Pre-amp
  192. Depletion mode mosfet cascoded constant current source.
  193. Preamp schematic...
  194. A very stupid mistake!!!!!
  195. Interesting challenge:GU 50 output stage!
  196. Wiring Filaments with Center Tapped Secondaries
  197. Walt Jung(?) tube opamp
  198. Bottlehead Seduction Phono stage
  199. For all new tube junkies
  200. Quicksilver 8417 model changes
  201. Exact RIAA numbers?
  202. which 300B project? help please
  203. PP-KT88 Kit Opinion
  204. Microphonics
  205. ...Baby tube Guitar amp...
  206. Acoustat X amp schematic
  207. Step Attenuators
  208. DiyParadiso kits
  209. 6L6 Design in EDN Mag
  210. Tube Theory
  211. ECC81 or CV4024?
  212. Copper Binding Posts
  213. Running Tube Amp Construction
  214. Hello all this is my first post and I have an XLR Question.
  215. Dynaco Sca-35
  216. Hold to be a good news to all diyers.
  217. 25eh5
  218. 6cd6
  219. SE with ECF80/EL84 - from newbie
  220. Effects of high heater voltage?
  221. 6080 SE amps? - parafeed or otherwise.
  222. Parafeed
  223. MY Morgan Jones headamp.
  224. 6H30Pi variants
  225. "zeze" sound in diy tume pre-amp
  226. Good sounding 6V6 PP UL driver circuit?
  227. TV Damper Diodes
  228. Autobias for 6L6/EL34/KT88
  229. RCA 12AT7 or Mullard CV4024?
  230. Tube Regulator
  231. How much ripple??
  232. Lumley M250 Woes
  233. What is a trigger tube used for?
  234. rebuilding 6L6 amp ... suggestions?
  235. Tube life question
  236. RIAA phono preamp using single ECC83
  237. Quicksilver front end mods
  238. Values for grid stoppers for 6922...
  239. PP quiescent point
  240. Choke load frequency response and distortion
  241. a tiny, all DHT, push-pull amp
  242. Hey fdegrove, OTL monoblock.
  243. Audio Electronics AE1 preamp
  244. OTL Headphoneamplifier with 12AU7 or 12AX7
  245. Suggestions from the tube world
  246. Camcorder photos
  247. Finally got a digital camera...
  248. OPT for SEKT88
  249. A single FET to drive a power tube (directely ...from DAC)
  250. Electronic Industries Modified DYNACO ST 70

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