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  1. Output transformer Impedance
  2. Any suggestion for cheapest SET amplifier project
  3. Can anyone give more info on this amp?
  4. PSU for my linestage, will it work.
  5. Quality 6922 Tubes
  6. Night dreaming? / Middle of the night bloom
  7. 6C45 PP IT 845SE amp.
  8. Avalon VT747SP schematic needed
  9. PreampPSU need help
  10. How much would you pay?
  11. Latest 6B4G PP and some thoughts about signal return paths...
  12. Stereo SRPP - one dual triode tube per channel, or...?
  13. Found an old tube at school
  14. Help with hum small hum problem...
  15. No bang, no flash, just music!
  16. Negative Feedback
  17. Vaa100es Mkii (please Help!!!)
  18. Can all tubes be heated with DC?
  19. I've put loadlines aside for a while...
  20. A new masterpiece to add to the family...
  21. schematic for for McINTOSH C30 preamp
  22. Krohn Hite amps, are they any good?
  23. Could someone please help me understand this equation?
  24. Small amp to drive Ribbon Tweeters
  25. This work guyz...
  26. That's it! I've had it!
  27. 12BH7 is microphonic
  28. Relpacing power supply caps in Quad 2
  29. looking for 'nice' warm'euphoric tube sound
  30. 5AR4 & 5U4G Rectifier Questions...
  31. Anyone seen the JJ 2A3?!
  32. A plug'n'play EL34/KT66/6B4 SE amp
  33. Good old Fender Twin Reverb
  34. AC Motor Start Caps for PS use
  35. Parafeed Circuit
  36. Thoughts on output PP trannies
  37. European TV damper diodes..
  38. the case of the arcing tube
  39. Have any of you intentionally rolled off the bass in your amplifiers?
  40. schematic for Audio Research SP11?
  41. Svetlana Sales agents in Russia
  42. Dodd Audio Dodd Amp
  43. help with schematic
  44. Western Electric
  45. 6C45P Anode choke or resistor?
  46. The National Vintage Communication Fair
  47. ASL wave 8 monoblocks
  48. 6V6 Guitar Amp
  49. Tube failure
  50. Power Supply Question
  51. Audio Innovations Series 300
  52. Audio Research D90 - Info
  53. Audio Note's Kit One done in point-to-point wiring
  54. Simple PSU question
  55. Getting my feet wet with PSUD
  56. teflon 23ga. hookup/signal wire?...
  57. a simple preamp with 5687 tubes
  58. Oscillations-total newbie question
  59. Quad volume control?
  60. Berman 76 preamp schematics
  61. Schematic + PCB
  62. KT77 or EL34
  63. How to Install UX4 Socket without Punch
  64. michaelson & austin tva 10
  65. High end Tube mono amp
  66. SPICE modeling
  67. Strange phase splitter design !?!?
  68. DC filaments setup
  69. line stage loven
  70. Pics of my new amp!
  71. screen grid decoupling cap question....
  72. Rozenblit's amps
  73. Sansui AU-111 tube amp schematic
  74. Tubes from Elektronska Tndustrija
  75. Aesthetix I/O & Callisto
  76. pc motherboard with audio tube
  77. ecl82/6bm8 push pull special designs
  78. Tube/Transformer Positioning on Chassis
  79. Leak TL12 replica using 807s?
  80. Tube reference book in pdf
  81. the EL-509 tube
  82. One Electron Ubt-2 Se Opt's Cheap
  83. ESL amp: tubes vs solid state: where is the winner?
  84. How much current will...
  85. handwound transformers.com
  86. bogen amp
  87. KT81 data sheet?
  88. tube parts libary for Eagle PCB
  89. Attn: Electro-Voice enthusiasts!
  90. Help! Dumb questions about a spec sheet....
  91. 37 / 6080 pre-amp
  92. Tube differential amp..not better than opamps
  93. DAC out to preamp = signal loss?
  94. Best Socket Material?
  95. can vt76 drive a 45 tube ? thanks nt
  96. My new tube DAC output
  97. Dynaco st-70
  98. Favorite 6H30 Operating Points
  99. A 76-6SN7 driven 300B
  100. Amplifier Design
  101. Tube Hybrid 25W Class-A, Opinions?
  102. Joel's 6sn7 Round 2...
  103. Finally built my 6SL7, 2A3/6A3 amp
  104. Tube article in EDN
  105. can this thing improve the sound??
  106. Bell schematic
  107. estimated price tube preamp
  108. Battery tubes
  109. 6.3V rectifiers....
  110. how do i figure out what's wrong with this (vintage) amp
  111. Where’s ECC81 data?
  112. Small pentodes push pull tube amps
  113. Buying new tubes
  114. Help with Hybrid Shuntregulator!
  115. Tube Preamp Coloring Box?
  116. "Parafeed trafo inverted phase"
  117. Tubes to avoid
  118. Is there a stock 6c33c-b Transformer?
  119. How does one "breadboard" an amp?
  120. help please, designing preamp
  121. help designing preamp
  122. Help needed here
  123. Line matching trafos as OPT's, and other cheapskate ideas? Any good?
  124. cheap SE amps
  125. Comments on 71a PP Pre-amp
  126. Depletion mode mosfet cascoded constant current source.
  127. Preamp schematic...
  128. A very stupid mistake!!!!!
  129. Interesting challenge:GU 50 output stage!
  130. Wiring Filaments with Center Tapped Secondaries
  131. Walt Jung(?) tube opamp
  132. Bottlehead Seduction Phono stage
  133. For all new tube junkies
  134. Quicksilver 8417 model changes
  135. Exact RIAA numbers?
  136. which 300B project? help please
  137. PP-KT88 Kit Opinion
  138. Microphonics
  139. ...Baby tube Guitar amp...
  140. Acoustat X amp schematic
  141. Step Attenuators
  142. DiyParadiso kits
  143. 6L6 Design in EDN Mag
  144. Tube Theory
  145. ECC81 or CV4024?
  146. Copper Binding Posts
  147. Running Tube Amp Construction
  148. Hello all this is my first post and I have an XLR Question.
  149. Dynaco Sca-35
  150. Hold to be a good news to all diyers.
  151. 25eh5
  152. 6cd6
  153. SE with ECF80/EL84 - from newbie
  154. Effects of high heater voltage?
  155. 6080 SE amps? - parafeed or otherwise.
  156. Parafeed
  157. MY Morgan Jones headamp.
  158. 6H30Pi variants
  159. "zeze" sound in diy tume pre-amp
  160. Good sounding 6V6 PP UL driver circuit?
  161. TV Damper Diodes
  162. Autobias for 6L6/EL34/KT88
  163. RCA 12AT7 or Mullard CV4024?
  164. Tube Regulator
  165. How much ripple??
  166. Lumley M250 Woes
  167. What is a trigger tube used for?
  168. rebuilding 6L6 amp ... suggestions?
  169. Tube life question
  170. RIAA phono preamp using single ECC83
  171. Quicksilver front end mods
  172. Values for grid stoppers for 6922...
  173. PP quiescent point
  174. Choke load frequency response and distortion
  175. a tiny, all DHT, push-pull amp
  176. Hey fdegrove, OTL monoblock.
  177. Audio Electronics AE1 preamp
  178. OTL Headphoneamplifier with 12AU7 or 12AX7
  179. Suggestions from the tube world
  180. Camcorder photos
  181. Finally got a digital camera...
  182. OPT for SEKT88
  183. A single FET to drive a power tube (directely ...from DAC)
  184. Electronic Industries Modified DYNACO ST 70
  185. KT88se with 3K outputtransformer ?
  186. Using TVC as a filter?
  187. 845 or 813 valves at 600V?
  188. transformer ?
  189. How much Voltage...
  190. Help in finding schematic
  191. impedance matching
  192. Selecting audio tranny core size
  193. U+Fk and U-Fk
  194. Woohoo! My First SET...
  195. 2nd & 3rd Harmonic Distortion curves for 5B/255M (807)
  196. 6CK4 PP Amp
  197. A question for Bourneville.
  198. Output Transformer specs
  199. No Mistaking A Triode.
  200. airtight atm-1
  201. dac tube output stage..pls help.
  202. Heathkit IT-17 Tube checker
  203. What's this?
  204. Standby switch for Quad II?
  205. What Speakers Do Tube Lovers Used?
  206. RC-coupled stage using ½ 6N1P
  207. What to build w/ Akai parts?
  208. 7189 in pentode mode?
  209. Finally. Music!!!
  210. Another tube radio
  211. Differential to single ended...
  212. Best Tube 4 Solid State
  213. Problem with Quicksilver amp
  214. cathode amp
  215. Wanted: 6922 / 6DJ8 Preamp Kit / Schematic
  216. How about a P-P DHP amp?
  217. simple, cheap, 6L6 amp? help
  218. 417A Line Amp
  219. Single end 6550 or KT88 amp Ideas please
  220. Simple cheap 2A3 stereo amp
  221. Triode Amps
  222. Audiopax 88 Power Amp
  223. Prefered type of components
  224. I found more junk!
  225. My Preamp
  226. Hum when volume is turned down
  227. Req. What does this parameter mean?
  228. Frank's Ultimate Tube Preamp.
  229. Mullard 5-20
  230. 156C... even cheaper now.
  231. Simple IT PP
  232. Dumb question: How do I increase Dp on this SET?
  233. Experiences with S&B102 TVC
  234. Melos High Current Triode
  235. Re-tubing Quickie M60 (EL34 quads)
  236. A new fashion tube design!
  237. mmm.... zero-bias class B twin triode amp
  238. 6SN7 redone
  239. Need some help with this...
  240. What tube is this?
  241. KT4040 Kit
  242. so here's how it sounds : (300b)
  243. Mullard 3-3
  244. shielding cans
  245. Help with common-cathode circuit.
  246. Hammond 125E improved?
  247. Separate power supply chassis- with a difference!
  248. 1St Tube Amp
  249. Help - tube radio
  250. Help newbie with tube-amp schematics

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