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  1. Morgan Jones tube amp and equalization
  2. Photoflash Caps for PSU
  3. Direct heated tubes with centre tap on filament
  4. Velleman K8020 Tube Preamp
  5. Bias Tap on Hammond Trannys
  6. High voltage umbilical and connectors / 1 box for PSU 1 box for amplifier in kit88
  7. Buzz, then blown fuses
  8. electrolytic vs non ellyt
  9. help with pinout
  10. Power Transformer Voltage
  11. Ideas for regulated B+ supply?
  12. How to record on a Grundig reel-reel??
  13. A choked Monkey, please!
  14. Any thoughts on this Philly Audio preamp design.
  15. Chokeless monkey
  16. Cool tube I came across... could it be used for audio?
  17. Output transformer Impedance
  18. Any suggestion for cheapest SET amplifier project
  19. Can anyone give more info on this amp?
  20. PSU for my linestage, will it work.
  21. Quality 6922 Tubes
  22. Night dreaming? / Middle of the night bloom
  23. 6C45 PP IT 845SE amp.
  24. Avalon VT747SP schematic needed
  25. PreampPSU need help
  26. How much would you pay?
  27. Latest 6B4G PP and some thoughts about signal return paths...
  28. Stereo SRPP - one dual triode tube per channel, or...?
  29. Found an old tube at school
  30. Help with hum small hum problem...
  31. No bang, no flash, just music!
  32. Negative Feedback
  33. Vaa100es Mkii (please Help!!!)
  34. Can all tubes be heated with DC?
  35. I've put loadlines aside for a while...
  36. A new masterpiece to add to the family...
  37. schematic for for McINTOSH C30 preamp
  38. Krohn Hite amps, are they any good?
  39. Could someone please help me understand this equation?
  40. Small amp to drive Ribbon Tweeters
  41. This work guyz...
  42. That's it! I've had it!
  43. 12BH7 is microphonic
  44. Relpacing power supply caps in Quad 2
  45. looking for 'nice' warm'euphoric tube sound
  46. 5AR4 & 5U4G Rectifier Questions...
  47. Anyone seen the JJ 2A3?!
  48. A plug'n'play EL34/KT66/6B4 SE amp
  49. Good old Fender Twin Reverb
  50. AC Motor Start Caps for PS use
  51. Parafeed Circuit
  52. Thoughts on output PP trannies
  53. European TV damper diodes..
  54. the case of the arcing tube
  55. Have any of you intentionally rolled off the bass in your amplifiers?
  56. schematic for Audio Research SP11?
  57. Svetlana Sales agents in Russia
  58. Dodd Audio Dodd Amp
  59. help with schematic
  60. Western Electric
  61. 6C45P Anode choke or resistor?
  62. The National Vintage Communication Fair
  63. ASL wave 8 monoblocks
  64. 6V6 Guitar Amp
  65. Tube failure
  66. Power Supply Question
  67. Audio Innovations Series 300
  68. Audio Research D90 - Info
  69. Audio Note's Kit One done in point-to-point wiring
  70. Simple PSU question
  71. Getting my feet wet with PSUD
  72. teflon 23ga. hookup/signal wire?...
  73. a simple preamp with 5687 tubes
  74. Oscillations-total newbie question
  75. Quad volume control?
  76. Berman 76 preamp schematics
  77. Schematic + PCB
  78. KT77 or EL34
  79. How to Install UX4 Socket without Punch
  80. michaelson & austin tva 10
  81. High end Tube mono amp
  82. SPICE modeling
  83. Strange phase splitter design !?!?
  84. DC filaments setup
  85. line stage loven
  86. Pics of my new amp!
  87. screen grid decoupling cap question....
  88. Rozenblit's amps
  89. Sansui AU-111 tube amp schematic
  90. Tubes from Elektronska Tndustrija
  91. Aesthetix I/O & Callisto
  92. pc motherboard with audio tube
  93. ecl82/6bm8 push pull special designs
  94. Tube/Transformer Positioning on Chassis
  95. Leak TL12 replica using 807s?
  96. Tube reference book in pdf
  97. the EL-509 tube
  98. One Electron Ubt-2 Se Opt's Cheap
  99. ESL amp: tubes vs solid state: where is the winner?
  100. How much current will...
  101. handwound transformers.com
  102. bogen amp
  103. KT81 data sheet?
  104. tube parts libary for Eagle PCB
  105. Attn: Electro-Voice enthusiasts!
  106. Help! Dumb questions about a spec sheet....
  107. 37 / 6080 pre-amp
  108. Tube differential amp..not better than opamps
  109. DAC out to preamp = signal loss?
  110. Best Socket Material?
  111. can vt76 drive a 45 tube ? thanks nt
  112. My new tube DAC output
  113. Dynaco st-70
  114. Favorite 6H30 Operating Points
  115. A 76-6SN7 driven 300B
  116. Amplifier Design
  117. Tube Hybrid 25W Class-A, Opinions?
  118. Joel's 6sn7 Round 2...
  119. Finally built my 6SL7, 2A3/6A3 amp
  120. Tube article in EDN
  121. can this thing improve the sound??
  122. Bell schematic
  123. estimated price tube preamp
  124. Battery tubes
  125. 6.3V rectifiers....
  126. how do i figure out what's wrong with this (vintage) amp
  127. Where’s ECC81 data?
  128. Small pentodes push pull tube amps
  129. Buying new tubes
  130. Help with Hybrid Shuntregulator!
  131. Tube Preamp Coloring Box?
  132. "Parafeed trafo inverted phase"
  133. Tubes to avoid
  134. Is there a stock 6c33c-b Transformer?
  135. How does one "breadboard" an amp?
  136. help please, designing preamp
  137. help designing preamp
  138. Help needed here
  139. Line matching trafos as OPT's, and other cheapskate ideas? Any good?
  140. cheap SE amps
  141. Comments on 71a PP Pre-amp
  142. Depletion mode mosfet cascoded constant current source.
  143. Preamp schematic...
  144. A very stupid mistake!!!!!
  145. Interesting challenge:GU 50 output stage!
  146. Wiring Filaments with Center Tapped Secondaries
  147. Walt Jung(?) tube opamp
  148. Bottlehead Seduction Phono stage
  149. For all new tube junkies
  150. Quicksilver 8417 model changes
  151. Exact RIAA numbers?
  152. which 300B project? help please
  153. PP-KT88 Kit Opinion
  154. Microphonics
  155. ...Baby tube Guitar amp...
  156. Acoustat X amp schematic
  157. Step Attenuators
  158. DiyParadiso kits
  159. 6L6 Design in EDN Mag
  160. Tube Theory
  161. ECC81 or CV4024?
  162. Copper Binding Posts
  163. Running Tube Amp Construction
  164. Hello all this is my first post and I have an XLR Question.
  165. Dynaco Sca-35
  166. Hold to be a good news to all diyers.
  167. 25eh5
  168. 6cd6
  169. SE with ECF80/EL84 - from newbie
  170. Effects of high heater voltage?
  171. 6080 SE amps? - parafeed or otherwise.
  172. Parafeed
  173. MY Morgan Jones headamp.
  174. 6H30Pi variants
  175. "zeze" sound in diy tume pre-amp
  176. Good sounding 6V6 PP UL driver circuit?
  177. TV Damper Diodes
  178. Autobias for 6L6/EL34/KT88
  179. RCA 12AT7 or Mullard CV4024?
  180. Tube Regulator
  181. How much ripple??
  182. Lumley M250 Woes
  183. What is a trigger tube used for?
  184. rebuilding 6L6 amp ... suggestions?
  185. Tube life question
  186. RIAA phono preamp using single ECC83
  187. Quicksilver front end mods
  188. Values for grid stoppers for 6922...
  189. PP quiescent point
  190. Choke load frequency response and distortion
  191. a tiny, all DHT, push-pull amp
  192. Hey fdegrove, OTL monoblock.
  193. Audio Electronics AE1 preamp
  194. OTL Headphoneamplifier with 12AU7 or 12AX7
  195. Suggestions from the tube world
  196. Camcorder photos
  197. Finally got a digital camera...
  198. OPT for SEKT88
  199. A single FET to drive a power tube (directely ...from DAC)
  200. Electronic Industries Modified DYNACO ST 70
  201. KT88se with 3K outputtransformer ?
  202. Using TVC as a filter?
  203. 845 or 813 valves at 600V?
  204. transformer ?
  205. How much Voltage...
  206. Help in finding schematic
  207. impedance matching
  208. Selecting audio tranny core size
  209. U+Fk and U-Fk
  210. Woohoo! My First SET...
  211. 2nd & 3rd Harmonic Distortion curves for 5B/255M (807)
  212. 6CK4 PP Amp
  213. A question for Bourneville.
  214. Output Transformer specs
  215. No Mistaking A Triode.
  216. airtight atm-1
  217. dac tube output stage..pls help.
  218. Heathkit IT-17 Tube checker
  219. What's this?
  220. Standby switch for Quad II?
  221. What Speakers Do Tube Lovers Used?
  222. RC-coupled stage using ½ 6N1P
  223. What to build w/ Akai parts?
  224. 7189 in pentode mode?
  225. Finally. Music!!!
  226. Another tube radio
  227. Differential to single ended...
  228. Best Tube 4 Solid State
  229. Problem with Quicksilver amp
  230. cathode amp
  231. Wanted: 6922 / 6DJ8 Preamp Kit / Schematic
  232. How about a P-P DHP amp?
  233. simple, cheap, 6L6 amp? help
  234. 417A Line Amp
  235. Single end 6550 or KT88 amp Ideas please
  236. Simple cheap 2A3 stereo amp
  237. Triode Amps
  238. Audiopax 88 Power Amp
  239. Prefered type of components
  240. I found more junk!
  241. My Preamp
  242. Hum when volume is turned down
  243. Req. What does this parameter mean?
  244. Frank's Ultimate Tube Preamp.
  245. Mullard 5-20
  246. 156C... even cheaper now.
  247. Simple IT PP
  248. Dumb question: How do I increase Dp on this SET?
  249. Experiences with S&B102 TVC
  250. Melos High Current Triode

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