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  1. where to find transformer to use
  2. C core output design
  3. Unusual Motorola Console
  4. Improving the Aikido line stage...
  5. Poll..anyone interested in an Aikido linestage PCB group buy?
  6. New 6s45p compare to NOS?
  7. Elektra Print L-3500
  8. 300b tube cage
  9. The 'Tater Patch
  10. 2A3 Sovtek characteristics
  11. 300b filament q, yes another one.
  12. Amp repair help needed.
  13. 833a SE Peak A.F. Grid Voltage
  14. DHP driver for 845
  15. Fisher 55-a
  16. Ultralinear Miller capacitance
  17. Simplest OTL?
  18. presence control
  19. Black Gate N cathode formation voltage
  20. Any other reported fragility for 6H30pi?
  21. Help! circuit diagram
  22. Another Gm70 amp !!
  23. 833a Amp 75W SE
  24. Black Gate N-series question
  25. 300B+
  26. Koren's spice models
  27. 50 Power triode
  28. Vertical deflection tubes for audio output?
  29. warmth in different tube types
  30. OT data
  31. Sansui 1000A OPT's
  32. CF biasing and load ???s
  33. improving the Mcintosh C22
  34. An amp that melts 6L6s?
  35. 8ohm speaker on 15 or 3.5 ohm tranny
  36. Choosing a brand as a standard
  37. The power of transformation
  38. wanted- 845 pwr amp p.p.
  39. Heathkit S-33 Information needed.
  40. Leak Stereo 20 - solid state rectifier?
  41. My rebuild 6sn7gt tubes line pre-amp.
  42. CircuitMaker Vacuum Tube model
  43. Mf X-pre
  44. E182CC, E88CC SRPP at low voltage
  45. Debugging my Aikido
  46. SRPP linestage help
  47. Transformer question
  48. Tube Spice Model Problem
  49. Just found a zenith 7g01z in the basement
  50. your next level story - Philosophy of EE 101
  51. JLTI Tube Preamp
  52. squeal in amplifier
  53. ALTEC Line & Bridging Transformer Data??
  54. Tube noob needs some help on PSU
  55. Preamp PSU Design Help
  56. GZ37 Substitution?
  57. help disigning 12AY7 based mic pre
  58. I m confuse ! expert help
  59. Removing a pot.
  60. diyparadiso kits?
  61. Help with linestage power supply
  62. TX103 - RJM 6DJ8 - TX102 preamp
  63. Replace the field coil spk with Electromagnetic dynamic spk
  64. Gu50 output problems
  65. SRPP: adifferent perspective
  66. Fixed or self bias?
  67. 211 amp PSU question
  68. Help! transformer overheating!
  69. more ebay stuff
  70. 6KG6, output stage & PSpice
  71. 6C33C-B Failure Mode?
  72. manley 300b preamp schematic required
  73. 115 V transformer on 230 V ???
  74. Hoffman Amps Turret Lugs?
  75. 300B Reliablity
  76. Metal work in Toronto
  77. What happens when you starve a heater?
  78. se 6c33c or se el34 schematic
  79. AVO MkIV User Guide
  80. Altec A150C and 531B psu
  81. What's been broken?
  82. tubes here...
  83. Voltage drop AZ1 = AZ11 = RGN1064 rectifier tube
  84. The Beast...
  85. Looking for Mikael's KT88 Schematic
  86. 1.2k vs 2.5k TC on a 6550 amp?
  87. Ultimate Tube head phone amp.
  88. Selecting Output Transformers for My WOT Line Preamp
  89. Tube microphone
  90. OP tube convertible PP amps?
  91. The "Valvolozzo" - SE amp with torroids
  92. Phase Splitters
  93. A new setup, advice wanted
  94. 6e2 Magic eye datasheet
  95. Another linestage......
  96. VT52: are the triode and pentode alike?
  97. Long term planning
  98. vintage restoration
  99. Some doubt about my first Tube amp (Heater).
  100. Power supply for Single Ended Amplifier
  101. Another CD player DAC tube modification
  102. philips el6400 tubeamp
  103. NTE Metal Film Resistors?
  104. How much power do I really need?
  105. hey guitar playas, try this one!
  106. 6H30 phono with passive RIAA
  107. I need help troubleshooting a EL84 push pull amp.
  108. Tube Data needed please
  109. Filament Transformer
  110. strange tube
  111. 12AX7 and 12AT7 numerical data
  112. DC/DC converter to power tube amp?
  113. Basic Cathode Follower buffer
  114. Marshall EL84 20/20 schematic needed
  115. Help me!!! I need schematic of Pow-Amp using 6V6
  116. gi30, se pentode?
  117. Any experience with Chinese 6N8P
  118. Source for common mode chokes
  119. Low Power FM stereo transmitter?
  120. Rh807
  121. Replacing a power tube (used as driver for mosfet car amp)...how to bias?
  122. Question about sub out on amp
  123. opt question
  124. Tube socket wanted. (help where)
  125. voltage regulator using ECL84 + OB2
  126. Help! 6sn7GT
  127. tubes n needles
  128. PSpice/LTSpice model for 6AU6/EF94?
  129. 5AR4/GZ34 GT Britain
  130. CCS vs mu-follower. What's the difference?
  131. Need advice on two preamp kits.
  132. My First Tube Amplifier
  133. Output (beam) pentodes / tetrodes suitable for screen grid drive
  134. Patent applications of interest
  135. Rca
  136. Guitar Amps
  137. Melos GK-1 Tube Pre-amp Schematic needed ...
  138. 6L6s and 6AR6s - what can I do with them?
  139. Line stage preamp, based on SY's "Heretical Unity gain line stage"
  140. 1600v HT supply for scope.
  141. Mc 275 CE schema
  142. Help! is this work?
  143. Some questons on a DIY system.
  144. pinout on 6GT5A tube
  145. 50Hz hum after increasing grid stopper
  146. A Heretical Unity Gain Line Stage part II
  147. 832A Push Pull 5W
  148. PSpice/LTSpice model for 12AY7/6072 wanted
  149. Is this circuit I drew ok?
  150. Suggest a preamp for cd/tuner
  151. EL84 to 6l6
  152. Tube-cad, is it worth the $40?
  153. Grounded Grid Preamp Project And Possible Group PCB Buy
  154. Can anyone sujest a good operating point for the PL84
  155. Preamp hiss noise
  156. Audio Note Trans 205 specs?
  157. Help translating russian tube datasheet
  158. Very high output level!
  159. Help wanted with valve data
  160. Boiling sound...
  161. Negative Feedback Ground
  162. low power SE with 813
  163. KT instead EL
  164. a single double triode and two chanel?
  165. 76 driving 211?
  166. My Experience with "Music Angel" EL34 PP
  167. 12JT6 in triode mode curves needed
  168. Where did these EL84 numbers come from?
  169. int. low signal
  170. FFT analysis-Truth or Consequence
  171. 6sn7gtb Filament Voltage
  172. Help with Tube Buffer for passive pre
  173. Is there a 12CM7?
  174. 12ax7
  175. tube driving the same tube - whats the collective word?
  176. 6c33c PSE
  177. 75% of rated max. current too high?
  178. ST shaped tube
  179. Tube Phono Pre of RJM
  180. how to determine P1 from P2 of a Push-pull transformer?
  181. fisher x100a
  182. Please review EL84M PP design before I order parts.
  183. Auction Gem Motorola? Go Figure!
  184. Darling amp plate voltage
  185. Sound quality of 6C4C is same with 2A3?
  186. 6,3VAC to 6,3VDC
  187. EL84 push pull idea
  188. Marantz preamp clone for newbie?
  189. Can I use Philips TB2.5 /400 in a SE ampl.
  190. Microwave + Computer = Tube? [help!]
  191. Oil Capacitor DC vs. AC Voltage Rating
  192. Plate Choke Miller Capacitance
  193. Anyone interested in building an EAR 834P?
  194. tube pre-amp
  195. Choke For Supply B+ Diy
  196. Audio Note DAC4 SRPP output stage problems!
  197. Regulated Dc Question
  198. what about tubes?
  199. Please help choose amp layout.
  200. SE 813 OPT..Am I On the right Track?
  201. say it's a hum problem
  202. Affordable KT88
  203. With transformer or OTL ?
  204. 45 SE tube amp OPT
  205. 2 Bogen 7027 tube amp vintage amplifier mono block
  206. Newnewbie Ouput Tranny question
  207. Webcor Amplifier Speaker
  208. could 24A been power tube
  209. How's this for a first amp?
  210. U.K. transformer supplier
  211. stereo el34 + kt66?
  212. Very tempting Good invesment or not????????
  213. A Heretical Unity gain line stage
  214. NFB net gain or loss
  215. Different brands:Is there any difference?
  216. McIntosh 225 Schematic
  217. LM317 for power amp regulation?
  218. KT88 or 6550?
  219. How to choose 6c33b?
  220. Using rectifier tubes in parallell
  221. Small problem at power off
  222. Preamp rebuild - hum problem
  223. what should I do with this tranny???
  224. Will this 2A3 PSE work?
  225. Ec86
  226. Worth to buy - tubes?
  227. 10/10/ preamp
  228. what do you think of this preamp?
  229. Tube FM -- Armstrong's first bdcst commemorated
  230. rjm 6dj8 phono section
  231. mercury vapor rectifier tubes on e-bay
  232. Russian Tube Stuff -- WSJ
  233. Help Please!!!!!!
  234. 5902 amp schematics?
  235. Microphonics...........
  236. High voltage PSU
  237. 2A3 v 6550
  238. Coupling cap question
  239. Wollcott cross coupled circuit
  240. TAD Tubes where are they from?
  241. ebay Junk or Treasures?
  242. interconnects
  243. In few words
  244. GlassFET Design Ideas
  245. ecc88 tube pover supply-rect.
  246. A tubeNoob enters => I bought a Dynavox VR-70E
  247. plugging guitar amp to phono reciever
  248. Heater Supply using LM3X7 current source
  249. Stepdown input trafo
  250. increasing the bias will cause the amp to.....

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