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  1. anyone seen it tried like this?
  2. What do people think of the SETH 2A3 PP?
  3. Very high plate voltage EL34 amp
  4. How About Bridging SE
  5. Fisher 800c Has Odd Cathode Reading
  6. What part of DIY do you LOVE?
  7. Priboi tweakers ?
  8. 5751 and 12ax7
  9. LM317 + ceramic cap Q
  10. Derive Triode Curves from Pentode Curves?
  11. 7701 distortion device?
  12. Looking for the perfect giftshop
  13. 300b
  14. Choked ripple killer for SE?
  15. Dynaco Kits
  16. Positive bias for tube CF?
  17. need help
  18. Xindak attenuation for use with Leak Stereo 20, help please
  19. Series heaters = small problem?
  20. Recommend an EL84 tube for HIFI
  21. Help - need some info on this valve amp, please
  22. H. Olson's amps
  23. 12AT7 and the Simple EL84
  24. New K-12g only one channel working
  25. Kofi Annan in: "Kofi Makes a 300b DRD... and You Get to Help!"
  26. Rauland Borg 6L6 amp Need Info
  27. Hum Noise!
  28. Tube regulator for solidstate devices
  29. 6gu7 a sub for 6cg7/6fq7?
  30. obsession sd-600 300b mono block
  31. how do you know you need matched pair?
  32. Nobu Shishido's 805 SET interstage
  33. KT88SE, turning OPT
  34. New to tubes.
  35. OB with.......well, TL Audio's iTUBE :)
  36. Matched tubes required?
  37. GU-50 output trafo
  38. Are Hammond power transformers good enough ?
  39. Transformers.
  40. Quicky - magic eye between preamp and power stage
  41. HT to rectifier
  42. 6AV5 spice model
  43. Audio Research LS2 from 110V to 220V
  44. 6V6 PP power xfrmr
  45. I think I've damaged my amp
  46. Which brands apart wyetech uses Grounded grid?
  47. Parallel vs. series filament supply - or another filament idea
  48. 6146W Power Amplifier. Please help!
  49. grommes 511a mono tube amp/reciever
  50. First phono needs QC
  51. Meixing 3008ab problems
  52. protecting a VR tube
  53. what's the purpose of pins 3 and 7 in an 8pin VR tube?
  54. help me i need schematic of Music angel PP el34
  55. How long to pre-heat filaments on 6SN7s?
  56. Amplifier Layout - Help & advice needed
  57. Any good places to shop for diy in beijing?
  58. White CF with 6SN7
  59. Cheapo Guitar Amp
  60. Power Amp
  61. is there any sound in a 30A5 / HL94 ?
  62. the hybrid one
  63. 4-1000a se subwoofer amp
  64. ear 834p output resistance
  65. Output transformer push pull
  66. Cheap Lunch?
  67. Source for Alps RK18 pot's..?
  68. Triode strapped tetrode
  69. ok, help me out here......
  70. Homebrew Toroid O/P Tranny
  71. GIBSON GA-79RVT Stereo Cab plans or dims
  72. strange noises from ECL86 amp
  73. Retouching knicks and scratches on chassis
  74. MingDa MC-7R noise and gain
  75. start-up sequence of Aikido preamp / SS power amp
  76. Driving a 6B4G with a single 5687/7044/E182CC?
  77. phono stage with different replay equalization?
  78. Lprimary variation in pair old opts
  79. 8417 triode connected tube data
  80. 5763 = El84?
  81. 5687 to 6L6 SE ?
  82. TubeCad Feedforward Shunt Regulator
  83. "12EA6" Pentode !
  84. Marshall EL34-100/100
  85. short-circuit rectifier EZ80 !
  86. Good radio tube:6AQ5/6005
  87. Replaced pulled tubes with a resistor?
  88. Choke input PSU, drawbacks?
  89. Heater PS alternative / Redux
  90. Gold or silver dress-up rings for tube amps.
  91. 50C5 conversion
  92. Sa-5.1 blow fuse
  93. Hum problem of preamp
  94. Chassis ground blows fuse
  95. 7193 (2c22) preamp buzz/hum
  96. Se Opt
  97. Does anhone use those switching power supply for the heaters?
  98. Tube Minidoc, featuring New York Noise
  99. Help Choosing A Sowter Trans For My DAC?
  100. fisher 800c clipping at ultra low volume
  101. "audiodigit" tubalizer & tubepre original schematic
  102. Dht Guitar Amps
  103. rating of series caps
  104. F704
  105. tube socket PCB library or dimensions
  106. motorboating
  107. 6AN8 Triode connection + EL 84 PP
  108. Please help amend 6AS7PP circuit
  109. El84 Pp
  110. 6V6 Ultralinear
  111. Dear Moderators
  112. 845 se
  113. Bell 2122-B integrated amp - tube suggestions
  114. Wirewound pot for Rk
  115. KT88/90 F2011 Schematic
  116. United Electric 967
  117. Scott 222c mods...?
  118. Switching supply for 300B filaments
  119. ECF80/6BL8
  120. 24v tube buffer & line stage schematic
  121. Vintage gear hunting
  122. Seperate PSU Transformers? Filament Supplys?
  123. 828 is better
  124. Hum on a choke loaded stage
  125. SE Transformer question
  126. Design question - How to make amp porn visible?
  127. Leak Stereo 20 - Johan's Square Wave Theory
  128. K-12G First Time Build
  129. Vishay vt52-55 resistors in a tube amp
  130. EL84 Push-Pull ccs bias
  131. Eight 807's in Push Pull?
  132. Working with Current O/P DAC Chips
  133. Unison research Preludio schematic
  134. Rewinding Power transformer
  135. Information needed on RCA SPECIAL RED TUBES
  136. Score?
  137. Herron phono
  138. tube preamp + SS power amp.
  139. Puzzler
  140. HI-Fi 6p13p
  141. Resistor values
  142. To chassies SE amp,PSU question
  143. Grounding & board Layout questions
  144. Look for a beefy driver tube.
  145. ECC81
  146. 5687 v.s. 6922 preamp/xover
  147. amorphous iron core good or not
  148. Pre-Amp
  149. submini tube preamp is a success
  150. Roll off frequency.
  151. Materials Technology for Electron Tubes by Walter H. Kohl
  152. Grundig TK 46 manual
  153. I'm anti-expensive audio parts but man, a good capacitor can make a difference
  154. How to determine a tube is shorted?
  155. Power supply problem
  156. SS power trans for tube experiments
  157. how to set output current on G Pimm's CCS circuit?
  158. Tube testing questions
  159. Push Pull Output Transformer wiring problem
  160. shunt regulator using VR tubes (with ccs like g pimm) and circuit load
  161. Stepped attenuators vs. Carbon pots
  162. hum/buzz with pot all the way up
  163. Cap and resistor types in guitar tube amp
  164. VacuTrace ... In Chicago?
  165. Lifesaver question on earthing
  166. Affordable, but good attenuators?
  167. Gu50 Set ?
  168. mounting an EL34 upside-down
  169. Direct coupled PP 2a3 amp - maths needed!!
  170. My 1st scratch build complete......
  171. Very Basic EL84 or EL34 DIY Amp
  172. Curcio Daniel Preamp Mods?
  173. Tube designs: 45 driving 45/2a3/300b?
  174. Adding secondary of output transformer into cathodes of output stage ? Eico ST-70
  175. Marantz 8 B : Output Transformer
  176. has anyone used a fan on their project?
  177. Audio Research SP12 heater arrangement
  178. tv damper diodes
  179. volume pot quite close to a tube - is this okay?
  180. UTC s42 special series
  181. 6H30P preamp schematics
  182. Digital potentiometer corrupt tube amps
  183. Alternative filament supply for 01A line stage
  184. Lamination Size
  185. Yaqin MC10L and KT88
  186. Help me read tube data sheets
  187. Quick Question (Driving 6L6GC's)
  188. Cause for concern -- scorch mark in tube
  189. why not 10k pot
  190. Dynaco Stereo 70 Output Transformer
  191. 6CJ3 rectifier or 6D22S rectifier
  192. Back-to-Back trannies
  193. Spring Reverb transformer
  194. Hamfest in Toronto area next weekend
  195. st70 bass response
  196. Triode "Champ" transformer v Edcor
  197. Low vs High aka Series vs Parallel Filaments
  198. Bogen monster MO200A schematic
  199. The Great Tempe Audio Shootout
  200. opinions on this p-p kt88
  201. Any XLR Tube Buffer Plans?
  202. Mystery transformers
  203. I need help with my next project
  204. A thought on Cathode feedback
  205. EL34 SE, direct coupled
  206. Ccs
  207. Hybrid amp: ECH83 + TDA2030A
  208. Leaving tube preamp always powered on.
  209. Variable 6922 heater to cathode voltage limit...?
  210. Is this risky?
  211. What to do with some WE tubes and others
  212. 6B4G SRPP
  213. pentode in triode mode SE vs a DHT SE like 2a3/300b
  214. dynakit decware bottlehead ... which to pick
  215. 6JC6 triode strapped?
  216. Searching for Raw Turrets
  217. Help.. EZ81 power supply diagram
  218. Ear 8l6
  219. Bogen H-30 guitar mod
  220. Voltage measurements from a blown 5AR4 vs. good 5Y3
  221. Sanity check on a 2A3 ultrapath with Pentode driver
  222. Star ground with dissimilar metals: concern?
  223. 5AR4 marked as 5V4GA?
  224. Calculating cathode bypass cap.
  225. Please need help! TUBE BIAS PROBE
  226. Aikido Phono Stage
  227. Using an El84 as a driver
  228. Transfromer value of this 300B circuit
  229. Chassis Layout & PS questions
  230. help needed for 1st DIY tube amp - Sakuma 845 SE
  231. Ideas for 4v filament triodes/pentodes
  232. Comments on Power Amp Viability
  233. Balanced active crossover advice
  234. The Tube Center
  235. Help1 with a 3 channel 2a3 amplifier
  236. volume control hum/noise
  237. PS choke magnetic induction
  238. Circlotron power supply question
  239. Autoformer as choke?
  240. E182CC
  241. Fender Hotrod Deville 212
  242. Grundig Fine Arts OTL Amplifier
  243. Damper diodes, 6ax4 and or 6w4?
  244. Knight 333 / Pioneer SX 34B info needed.
  245. Gargantuan Linestage Output Capacitors
  246. Quad II Restoration
  247. Help identifying a tube.
  248. Tube filaments in series?
  249. Design of Resonant Input Choke PSU
  250. Dissimilar triode

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