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  1. Dumont (where theres smoke theres sound)
  2. HYBRID- Schematic
  3. I have a pair of JBL control 5 speakers, which valve amp design you recommend?
  4. sovtek 300B
  5. 12au6 preamp
  6. Engineering Drawings PCB Mount Tube Sockets
  7. Help with a choke for first-time DIY...
  8. Power SRPP
  9. Anode Loading Vs. Cathode Loading ?
  10. Purist 2 Line Amp
  11. Yet Another "EURIDICE" Pre Amp, 4CH This Time
  12. radio receiver
  13. Pioneer SM83 and 500k pot
  14. How many ways to connect a pentode...
  15. How do I go about repairing a vintage Pilotone AA-410A monoblock tube amp?
  16. Any pitfalls to tapping voltage doubler?
  17. 5k to 100 or so line transformers
  18. Ongaku 211 and Supravox 215
  19. Help with 6B4G PP amp.
  20. Help me build my Choke I/P preamp PSU
  21. Pinging "DoomPixie"
  22. 6L6 mono amp questions
  23. Help on 300B power trans...
  24. Spud Farmin' Pt. Deux
  25. No Zen
  26. Reuse or rewind choke
  27. Bell Sound Mono Integrated Amplifier
  28. Help with Melos SHA repair
  29. Phase splitter transformers
  30. 6v6 schems
  31. Cathode feedback
  32. Is this a good choice for El34 PP
  33. 6DK6 amp schematics?
  34. so who here builds amps
  35. 3:1 Line Input X-former ?
  36. * 35 watt * 300B SE = super 300B + Class A2
  37. Quirk in Mullard 5-20 circuit
  38. LL1673 as anode load?
  39. preamp/power amp matching
  40. 0A3 and pentode questions (quickie)
  41. where to find transformer to use
  42. C core output design
  43. Unusual Motorola Console
  44. Improving the Aikido line stage...
  45. Poll..anyone interested in an Aikido linestage PCB group buy?
  46. New 6s45p compare to NOS?
  47. Elektra Print L-3500
  48. 300b tube cage
  49. The 'Tater Patch
  50. 2A3 Sovtek characteristics
  51. 300b filament q, yes another one.
  52. Amp repair help needed.
  53. 833a SE Peak A.F. Grid Voltage
  54. DHP driver for 845
  55. Fisher 55-a
  56. Ultralinear Miller capacitance
  57. Simplest OTL?
  58. presence control
  59. Black Gate N cathode formation voltage
  60. Any other reported fragility for 6H30pi?
  61. Help! circuit diagram
  62. Another Gm70 amp !!
  63. 833a Amp 75W SE
  64. Black Gate N-series question
  65. 300B+
  66. Koren's spice models
  67. 50 Power triode
  68. Vertical deflection tubes for audio output?
  69. warmth in different tube types
  70. OT data
  71. Sansui 1000A OPT's
  72. CF biasing and load ???s
  73. improving the Mcintosh C22
  74. An amp that melts 6L6s?
  75. 8ohm speaker on 15 or 3.5 ohm tranny
  76. Choosing a brand as a standard
  77. The power of transformation
  78. wanted- 845 pwr amp p.p.
  79. Heathkit S-33 Information needed.
  80. Leak Stereo 20 - solid state rectifier?
  81. My rebuild 6sn7gt tubes line pre-amp.
  82. CircuitMaker Vacuum Tube model
  83. Mf X-pre
  84. E182CC, E88CC SRPP at low voltage
  85. Debugging my Aikido
  86. SRPP linestage help
  87. Transformer question
  88. Tube Spice Model Problem
  89. Just found a zenith 7g01z in the basement
  90. your next level story - Philosophy of EE 101
  91. JLTI Tube Preamp
  92. squeal in amplifier
  93. ALTEC Line & Bridging Transformer Data??
  94. Tube noob needs some help on PSU
  95. Preamp PSU Design Help
  96. GZ37 Substitution?
  97. help disigning 12AY7 based mic pre
  98. I m confuse ! expert help
  99. Removing a pot.
  100. diyparadiso kits?
  101. Help with linestage power supply
  102. TX103 - RJM 6DJ8 - TX102 preamp
  103. Replace the field coil spk with Electromagnetic dynamic spk
  104. Gu50 output problems
  105. SRPP: adifferent perspective
  106. Fixed or self bias?
  107. 211 amp PSU question
  108. Help! transformer overheating!
  109. more ebay stuff
  110. 6KG6, output stage & PSpice
  111. 6C33C-B Failure Mode?
  112. manley 300b preamp schematic required
  113. 115 V transformer on 230 V ???
  114. Hoffman Amps Turret Lugs?
  115. 300B Reliablity
  116. Metal work in Toronto
  117. What happens when you starve a heater?
  118. se 6c33c or se el34 schematic
  119. AVO MkIV User Guide
  120. Altec A150C and 531B psu
  121. What's been broken?
  122. tubes here...
  123. Voltage drop AZ1 = AZ11 = RGN1064 rectifier tube
  124. The Beast...
  125. Looking for Mikael's KT88 Schematic
  126. 1.2k vs 2.5k TC on a 6550 amp?
  127. Ultimate Tube head phone amp.
  128. Selecting Output Transformers for My WOT Line Preamp
  129. Tube microphone
  130. OP tube convertible PP amps?
  131. The "Valvolozzo" - SE amp with torroids
  132. Phase Splitters
  133. A new setup, advice wanted
  134. 6e2 Magic eye datasheet
  135. Another linestage......
  136. VT52: are the triode and pentode alike?
  137. Long term planning
  138. vintage restoration
  139. Some doubt about my first Tube amp (Heater).
  140. Power supply for Single Ended Amplifier
  141. Another CD player DAC tube modification
  142. philips el6400 tubeamp
  143. NTE Metal Film Resistors?
  144. How much power do I really need?
  145. 6H30 phono with passive RIAA
  146. I need help troubleshooting a EL84 push pull amp.
  147. Tube Data needed please
  148. Filament Transformer
  149. strange tube
  150. 12AX7 and 12AT7 numerical data
  151. DC/DC converter to power tube amp?
  152. Basic Cathode Follower buffer
  153. Help me!!! I need schematic of Pow-Amp using 6V6
  154. gi30, se pentode?
  155. Any experience with Chinese 6N8P
  156. Source for common mode chokes
  157. Low Power FM stereo transmitter?
  158. Rh807
  159. Replacing a power tube (used as driver for mosfet car amp)...how to bias?
  160. Question about sub out on amp
  161. opt question
  162. Tube socket wanted. (help where)
  163. voltage regulator using ECL84 + OB2
  164. Help! 6sn7GT
  165. tubes n needles
  166. PSpice/LTSpice model for 6AU6/EF94?
  167. 5AR4/GZ34 GT Britain
  168. CCS vs mu-follower. What's the difference?
  169. Need advice on two preamp kits.
  170. My First Tube Amplifier
  171. Output (beam) pentodes / tetrodes suitable for screen grid drive
  172. Patent applications of interest
  173. Rca
  174. Melos GK-1 Tube Pre-amp Schematic needed ...
  175. 6L6s and 6AR6s - what can I do with them?
  176. Line stage preamp, based on SY's "Heretical Unity gain line stage"
  177. 1600v HT supply for scope.
  178. Mc 275 CE schema
  179. Help! is this work?
  180. Some questons on a DIY system.
  181. pinout on 6GT5A tube
  182. 50Hz hum after increasing grid stopper
  183. A Heretical Unity Gain Line Stage part II
  184. 832A Push Pull 5W
  185. PSpice/LTSpice model for 12AY7/6072 wanted
  186. Is this circuit I drew ok?
  187. Suggest a preamp for cd/tuner
  188. EL84 to 6l6
  189. Tube-cad, is it worth the $40?
  190. Grounded Grid Preamp Project And Possible Group PCB Buy
  191. Can anyone sujest a good operating point for the PL84
  192. Preamp hiss noise
  193. Audio Note Trans 205 specs?
  194. Help translating russian tube datasheet
  195. Very high output level!
  196. Help wanted with valve data
  197. Boiling sound...
  198. Negative Feedback Ground
  199. low power SE with 813
  200. KT instead EL
  201. a single double triode and two chanel?
  202. 76 driving 211?
  203. My Experience with "Music Angel" EL34 PP
  204. 12JT6 in triode mode curves needed
  205. Where did these EL84 numbers come from?
  206. int. low signal
  207. FFT analysis-Truth or Consequence
  208. 6sn7gtb Filament Voltage
  209. Help with Tube Buffer for passive pre
  210. Is there a 12CM7?
  211. 12ax7
  212. tube driving the same tube - whats the collective word?
  213. 6c33c PSE
  214. 75% of rated max. current too high?
  215. ST shaped tube
  216. Tube Phono Pre of RJM
  217. how to determine P1 from P2 of a Push-pull transformer?
  218. fisher x100a
  219. Please review EL84M PP design before I order parts.
  220. Auction Gem Motorola? Go Figure!
  221. Darling amp plate voltage
  222. Sound quality of 6C4C is same with 2A3?
  223. 6,3VAC to 6,3VDC
  224. EL84 push pull idea
  225. Marantz preamp clone for newbie?
  226. Can I use Philips TB2.5 /400 in a SE ampl.
  227. Microwave + Computer = Tube? [help!]
  228. Oil Capacitor DC vs. AC Voltage Rating
  229. Plate Choke Miller Capacitance
  230. Anyone interested in building an EAR 834P?
  231. tube pre-amp
  232. Choke For Supply B+ Diy
  233. Audio Note DAC4 SRPP output stage problems!
  234. Regulated Dc Question
  235. what about tubes?
  236. Please help choose amp layout.
  237. SE 813 OPT..Am I On the right Track?
  238. say it's a hum problem
  239. Affordable KT88
  240. With transformer or OTL ?
  241. 45 SE tube amp OPT
  242. 2 Bogen 7027 tube amp vintage amplifier mono block
  243. Newnewbie Ouput Tranny question
  244. Webcor Amplifier Speaker
  245. could 24A been power tube
  246. How's this for a first amp?
  247. U.K. transformer supplier
  248. stereo el34 + kt66?
  249. Very tempting Good invesment or not????????
  250. A Heretical Unity gain line stage

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