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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. Help Vintage Guitar Hummer
  14. Pioneer SM83 and 500k pot
  15. How many ways to connect a pentode...
  16. How do I go about repairing a vintage Pilotone AA-410A monoblock tube amp?
  17. Any pitfalls to tapping voltage doubler?
  18. 5k to 100 or so line transformers
  19. Ongaku 211 and Supravox 215
  20. Help with 6B4G PP amp.
  21. Help me build my Choke I/P preamp PSU
  22. Pinging "DoomPixie"
  23. 6L6 mono amp questions
  24. Help on 300B power trans...
  25. Spud Farmin' Pt. Deux
  26. No Zen
  27. Reuse or rewind choke
  28. Bell Sound Mono Integrated Amplifier
  29. Help with Melos SHA repair
  30. diy guitar tube amp help.
  31. Phase splitter transformers
  32. 6v6 schems
  33. Cathode feedback
  34. Is this a good choice for El34 PP
  35. 6DK6 amp schematics?
  36. so who here builds amps
  37. 3:1 Line Input X-former ?
  38. * 35 watt * 300B SE = super 300B + Class A2
  39. Quirk in Mullard 5-20 circuit
  40. LL1673 as anode load?
  41. preamp/power amp matching
  42. 0A3 and pentode questions (quickie)
  43. where to find transformer to use
  44. C core output design
  45. Unusual Motorola Console
  46. Improving the Aikido line stage...
  47. Poll..anyone interested in an Aikido linestage PCB group buy?
  48. New 6s45p compare to NOS?
  49. Elektra Print L-3500
  50. 300b tube cage
  51. The 'Tater Patch
  52. 2A3 Sovtek characteristics
  53. 300b filament q, yes another one.
  54. Amp repair help needed.
  55. 833a SE Peak A.F. Grid Voltage
  56. DHP driver for 845
  57. Fisher 55-a
  58. Ultralinear Miller capacitance
  59. Simplest OTL?
  60. presence control
  61. Black Gate N cathode formation voltage
  62. Any other reported fragility for 6H30pi?
  63. Help! circuit diagram
  64. Another Gm70 amp !!
  65. 833a Amp 75W SE
  66. Black Gate N-series question
  67. 300B+
  68. Koren's spice models
  69. 50 Power triode
  70. Vertical deflection tubes for audio output?
  71. warmth in different tube types
  72. OT data
  73. Sansui 1000A OPT's
  74. CF biasing and load ???s
  75. improving the Mcintosh C22
  76. An amp that melts 6L6s?
  77. 8ohm speaker on 15 or 3.5 ohm tranny
  78. Choosing a brand as a standard
  79. The power of transformation
  80. wanted- 845 pwr amp p.p.
  81. Heathkit S-33 Information needed.
  82. Leak Stereo 20 - solid state rectifier?
  83. My rebuild 6sn7gt tubes line pre-amp.
  84. CircuitMaker Vacuum Tube model
  85. Mf X-pre
  86. E182CC, E88CC SRPP at low voltage
  87. Debugging my Aikido
  88. SRPP linestage help
  89. Transformer question
  90. Tube Spice Model Problem
  91. Just found a zenith 7g01z in the basement
  92. your next level story - Philosophy of EE 101
  93. JLTI Tube Preamp
  94. squeal in amplifier
  95. ALTEC Line & Bridging Transformer Data??
  96. Tube noob needs some help on PSU
  97. Preamp PSU Design Help
  98. GZ37 Substitution?
  99. help disigning 12AY7 based mic pre
  100. I m confuse ! expert help
  101. Removing a pot.
  102. diyparadiso kits?
  103. Help with linestage power supply
  104. TX103 - RJM 6DJ8 - TX102 preamp
  105. Replace the field coil spk with Electromagnetic dynamic spk
  106. Gu50 output problems
  107. SRPP: adifferent perspective
  108. Fixed or self bias?
  109. 211 amp PSU question
  110. Help! transformer overheating!
  111. more ebay stuff
  112. 6KG6, output stage & PSpice
  113. 6C33C-B Failure Mode?
  114. manley 300b preamp schematic required
  115. 115 V transformer on 230 V ???
  116. Hoffman Amps Turret Lugs?
  117. 300B Reliablity
  118. Metal work in Toronto
  119. What happens when you starve a heater?
  120. se 6c33c or se el34 schematic
  121. AVO MkIV User Guide
  122. Altec A150C and 531B psu
  123. What's been broken?
  124. tubes here...
  125. Voltage drop AZ1 = AZ11 = RGN1064 rectifier tube
  126. The Beast...
  127. Looking for Mikael's KT88 Schematic
  128. 1.2k vs 2.5k TC on a 6550 amp?
  129. Ultimate Tube head phone amp.
  130. Selecting Output Transformers for My WOT Line Preamp
  131. Tube microphone
  132. OP tube convertible PP amps?
  133. The "Valvolozzo" - SE amp with torroids
  134. Phase Splitters
  135. A new setup, advice wanted
  136. 6e2 Magic eye datasheet
  137. Another linestage......
  138. VT52: are the triode and pentode alike?
  139. Long term planning
  140. vintage restoration
  141. Some doubt about my first Tube amp (Heater).
  142. Power supply for Single Ended Amplifier
  143. Another CD player DAC tube modification
  144. philips el6400 tubeamp
  145. NTE Metal Film Resistors?
  146. How much power do I really need?
  147. hey guitar playas, try this one!
  148. 6H30 phono with passive RIAA
  149. I need help troubleshooting a EL84 push pull amp.
  150. Tube Data needed please
  151. Filament Transformer
  152. strange tube
  153. 12AX7 and 12AT7 numerical data
  154. DC/DC converter to power tube amp?
  155. Basic Cathode Follower buffer
  156. Marshall EL84 20/20 schematic needed
  157. Help me!!! I need schematic of Pow-Amp using 6V6
  158. gi30, se pentode?
  159. Any experience with Chinese 6N8P
  160. Source for common mode chokes
  161. Low Power FM stereo transmitter?
  162. Rh807
  163. Replacing a power tube (used as driver for mosfet car amp)...how to bias?
  164. Question about sub out on amp
  165. opt question
  166. Tube socket wanted. (help where)
  167. voltage regulator using ECL84 + OB2
  168. Help! 6sn7GT
  169. tubes n needles
  170. PSpice/LTSpice model for 6AU6/EF94?
  171. 5AR4/GZ34 GT Britain
  172. CCS vs mu-follower. What's the difference?
  173. Need advice on two preamp kits.
  174. My First Tube Amplifier
  175. Output (beam) pentodes / tetrodes suitable for screen grid drive
  176. Patent applications of interest
  177. Rca
  178. Guitar Amps
  179. Melos GK-1 Tube Pre-amp Schematic needed ...
  180. 6L6s and 6AR6s - what can I do with them?
  181. Line stage preamp, based on SY's "Heretical Unity gain line stage"
  182. 1600v HT supply for scope.
  183. Mc 275 CE schema
  184. Help! is this work?
  185. Some questons on a DIY system.
  186. pinout on 6GT5A tube
  187. 50Hz hum after increasing grid stopper
  188. A Heretical Unity Gain Line Stage part II
  189. 832A Push Pull 5W
  190. PSpice/LTSpice model for 12AY7/6072 wanted
  191. Is this circuit I drew ok?
  192. Suggest a preamp for cd/tuner
  193. EL84 to 6l6
  194. Tube-cad, is it worth the $40?
  195. Grounded Grid Preamp Project And Possible Group PCB Buy
  196. Can anyone sujest a good operating point for the PL84
  197. Preamp hiss noise
  198. Audio Note Trans 205 specs?
  199. Help translating russian tube datasheet
  200. Very high output level!
  201. Help wanted with valve data
  202. Boiling sound...
  203. Negative Feedback Ground
  204. low power SE with 813
  205. KT instead EL
  206. a single double triode and two chanel?
  207. 76 driving 211?
  208. My Experience with "Music Angel" EL34 PP
  209. 12JT6 in triode mode curves needed
  210. Where did these EL84 numbers come from?
  211. int. low signal
  212. FFT analysis-Truth or Consequence
  213. 6sn7gtb Filament Voltage
  214. Help with Tube Buffer for passive pre
  215. Is there a 12CM7?
  216. 12ax7
  217. tube driving the same tube - whats the collective word?
  218. 6c33c PSE
  219. 75% of rated max. current too high?
  220. ST shaped tube
  221. Tube Phono Pre of RJM
  222. how to determine P1 from P2 of a Push-pull transformer?
  223. fisher x100a
  224. Please review EL84M PP design before I order parts.
  225. Auction Gem Motorola? Go Figure!
  226. Darling amp plate voltage
  227. Sound quality of 6C4C is same with 2A3?
  228. 6,3VAC to 6,3VDC
  229. EL84 push pull idea
  230. Marantz preamp clone for newbie?
  231. Can I use Philips TB2.5 /400 in a SE ampl.
  232. Microwave + Computer = Tube? [help!]
  233. Oil Capacitor DC vs. AC Voltage Rating
  234. Plate Choke Miller Capacitance
  235. Anyone interested in building an EAR 834P?
  236. tube pre-amp
  237. Choke For Supply B+ Diy
  238. Audio Note DAC4 SRPP output stage problems!
  239. Regulated Dc Question
  240. what about tubes?
  241. Please help choose amp layout.
  242. SE 813 OPT..Am I On the right Track?
  243. say it's a hum problem
  244. Affordable KT88
  245. With transformer or OTL ?
  246. 45 SE tube amp OPT
  247. 2 Bogen 7027 tube amp vintage amplifier mono block
  248. Newnewbie Ouput Tranny question
  249. Webcor Amplifier Speaker
  250. could 24A been power tube

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