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  1. 2W carbon composit ressy
  2. popping noise through 1 channel on Radford STA15
  3. Point to point wiring help
  4. 1st Time Project - Report 2 + advice sought
  5. "Simple" 2A3
  6. vinyl v cd differences - phono pre and cd-player
  7. Shielded input cable
  8. knight guitar amp conversion
  9. Dumb motor run capacitor question
  10. Coupling caps in ST35
  11. Mentmore M100
  12. How to match tubes?
  13. Transcendent OTL T8 Vs. Atma-Sphere M60
  14. New 12AX7A Pspice model
  15. What does R2D2, Mickey Mouse and a...
  16. Why 5V filament
  17. Alloys for filaments
  18. 6360 as Power Tube for SE amp
  19. Bridging Stereo Amps
  20. Problem with 6L6 Monoblock
  21. Gain
  22. Proper grounding method...
  23. Changing a tube amp...
  24. Houston Mini 2004 Pot question
  25. Diode Heatsink
  26. Looking for a PCB / kit for a bipolar tube rectified PSU
  27. compactron output stage and power supply
  28. Better sounding ECL86's
  29. Heathkit EA-3 conversion to guitar amp
  30. interesting amp & interesting problem
  31. Hybrid Tube / Mosfet Amplifier
  32. Again (sorry) what's the biggest 6V heater double rectifier?
  33. PP EL34 circuit wanted
  34. Need advice for transformer for tube GM 70.
  35. Pentode filter
  36. How to calculate for cathode follower
  37. 6L6WXT in a Dynaco ST-70
  38. tube preamp using submini tube
  39. SE Trafo for PP use
  40. WE91A Pentode Questions?
  41. Lower voltage Dynaco ST35 for 6P14P // 7247 replacement
  42. looking for schematic; three EL84's in PSE ?
  43. Need work done on a dynaco power amp
  44. quick question on fixed bias
  45. DIY Tube Audio dealers in New Zealand
  46. ornec
  47. Tuner filament supply question
  48. An idea for a partial feedback pentode amp using 6AU6's and 807's
  49. Tube current regulation for series heaters' supply.
  50. Bogen PCA-1 two tube booster amp
  51. First time building a tube preamp
  52. B&K 700 problems?
  53. Silvertone 1482 Blowing Rectifier Tubes
  54. Voltage Multipliers
  55. Russian 6P14P tubes
  56. Where to get tube spec sheets, pinouts
  57. PCL 82 Hybrid 2SC5200/2SA1943
  58. CCS in Otput Tube Cathode - Does It Make Sense?
  59. My Guitar Tube Amp. Help needed with Mesa/Boogie pre
  60. My brew of the "Darling"
  61. Series connection of filaments
  62. noisy filament transformer
  63. Circuit diagram for Trilogy VTi.
  64. Got oddball tubes!
  65. A photo for my question
  66. Make a preamp with an already buil amplifier
  67. DN2540
  68. mods for almarro amp
  69. Filament Transformer
  70. Circuit indentification
  71. Simplest Tube Regulated PSU?
  72. High Voltage Insulator for Umbilical
  73. wiring diagram, instruction on the transformer S-265-Q
  74. help me get started
  75. 12AU7 instead of 6C4
  76. Fisher 600 questions
  77. Phase inverter
  78. srpp input stage
  79. Orientation of EL34 Tubes
  80. Load termination ?
  81. Advice on SE DHT for Lowther Fidelio DX2
  82. Dynacord MV46 as a compressor
  83. Biggest dual triode output tube?
  84. OPT impedance question
  85. Partridge SE O/P transformers
  86. SimpleSE and me
  87. SRPP decoupling cap vs. output transformer
  88. Differences between 6SN7GTA and 6SN7GTB?
  89. Radford STA-15 questions
  90. Balanced Input Hookup
  91. Need Tube Testing Settings for 3 tubes
  92. Need helping in Grounded Grid preamp using 6H6P 6H30P
  93. Regulated Lab DC power supply
  94. Fixed Bias 6BQ5?
  95. Heathkit AG7 Audio Geneator
  96. Music Angel vs Mr Liang L1-L3? And best speakers for 3k budget?
  97. NEWBIE question SET vs. Solid State
  98. 6N6P cascode + 6AS7 Cathode follower
  99. Help me calculator OPT for 807, 6C4C tubes.
  100. Now I have caught the bug - next project
  101. 20W cathode follower amplifier
  102. Muting line level signals
  103. Anywhere in Hong Kong...
  104. RIAA / Pre mod/upgrade
  105. IT WORKS! Tube Phono Stage
  106. 2033 info sought
  107. Pentode Zeus
  108. 5987 (sc968b)
  109. Low Voltage Plate Follower 6DJ8 Buffer Power Supply
  110. JAN Sylvania 7308 vs. JAN Sylvania 6922
  111. recording amp
  112. A Tee-Vee T00b Amp
  113. metal tube lineup for a guitar amp
  114. Locating a bad resistor
  115. MiscEI
  116. ST70 iron recommendations please
  117. need help finding a link . . .
  118. Cathodyne Phase Inverter question
  119. Using a ignition coil for a audio transformer
  120. Multiple primary windings
  121. mcintosh mc3500 clone
  122. B+ Delay
  123. My attempt: 5 element Pentode Spice model
  124. Spelling, capitalization, and grammar.
  125. Power Supply
  126. Output Autotransformers
  127. Multi Section Cap....diy?
  128. Mullard: Tube Circuits for Audio Amplifiers" - Price?
  129. Tube rectifier to Solid state Diodes exchange
  130. Hickok 533A help
  131. Custom Cards For B&K 675 Tester
  132. Peavey Heritage VTX - Bias Question
  133. EMC Model 200 Tube Tester Any Info Pls
  134. Guitar amp PT design questions
  135. Bada PH-1 simple box mod
  136. Tubes Rectifier Help?
  137. How to make sense of LTSpice FFT analysis?
  138. Cascode with local feedback
  139. amps
  140. how to preserve copper plates?
  141. Stereo EL34 amplifier
  142. SA 3000 Counterpoint
  143. tube amp transformer identification
  144. Beginner needs advices for 807 PP project
  145. Heater Power Supply Pspice model
  146. FWCT Rectification
  147. dc or not dc
  148. OTL for dummies.
  149. TCJ Cathode-Coupled Amplifier
  150. 845 Low voltage SE AMP
  151. Vacuum Tube Computer Simulation Modeling
  152. Getting a vintage amp to work
  153. Switched DC/DCconverter for B+
  154. What can I do with this?
  155. Super Pas Two
  156. pspice model of 811A
  157. Question on what is more important B+ or Plate Voltage
  158. Can I trust SPICE?
  159. Power supply filter mod
  160. Does antone interested xxx PCB groupbuy ?
  161. 1 signal ground or two?
  162. Peavey Heritage VTX - Schematics
  163. #47......
  164. Hammond 1650F
  165. 100 watt KT88/6550 Designs
  166. What glue to use for tube glass bulb + base
  167. Tube filaments (heaters) power supply
  168. Quick Ecl86/6gw8 Amp
  169. Need help on eq. hook up for new tube system
  170. Alternatives to the Dynaco ST-70
  171. I need some eq. hook up expert advice please!
  172. Please help identify which plug I need for this socket
  173. Svetlana KT88 winged C's failings
  174. PP amp using 6p15P
  175. Time for another round of "Criticise my Circuit"... err..I mean
  176. Adding a parallel feed on DRD
  177. How hot can resistor stands?
  178. Hybrid amplifier A2 class
  179. Diodes on power supply output for voltage drop?
  180. Converting from single ended parafeed to differential
  181. micro-amp SE with 2,5k OPT+
  182. Unknown Tube Amp
  183. Aikido AC Heater Supply
  184. Help me find some odd looking rectifiers!
  185. So, you may have been wondering...(813 Content !)
  186. Just sharing my 26 experience last night...
  187. Simple 5842-45 SET Amp Design Idea
  188. Yamamoto teflon sockets
  189. new thread, 6BM8 PP build begins...
  190. KT88 Heater Current
  191. 150V plate output tubes
  192. Newbie need to help
  193. Help me please
  194. Elekit TU-870 help
  195. Looking for schematic of Audible Illusion Modulus 3A preamp
  196. Junker Box amp
  197. aikido hybrid with 5 A bias
  198. Shall we compile a list?
  199. drift in direct coupled tubes
  200. Hammond 2XX vs 3XX Power Tranny Questions
  201. Help with this transformer please...
  202. Capacitor upgrade in Paragon 12A
  203. Light bulbs as cathode resistors?
  204. Favorite Threads and Posts in "Tubes" Forum
  205. I need 12v DC- whats the best option?
  206. Beard P35 and Tubes Replacement
  207. Graphic 1/3 Octave Tube Equaliser
  208. GE "Dual Speaker" radio to Harmony H303 conversion : Help, please?
  209. Power Supply Design
  210. Gomes amp
  211. pignose g40v power transformer
  212. Grid battery biased SE output stages
  213. KT88 amp schematic/parts list
  214. Wire Wrap connections for point to point
  215. Aikido Tubes
  216. Recommended tubes for AI Modulus 3A, C-J MV55 and Moscode 300
  217. Schematic Question
  218. EL34 as triode?
  219. Linestage Questions
  220. Help! Building Jax's HFTA
  221. Gobs of AC on ISCO 494
  222. Change step up ratio of input transformer?
  223. LCR RIAA rebuild
  224. common mode choke question
  225. Choosing Choke
  226. Input impedance
  227. Hey Tubelab, Transformer Question
  228. Hybrid Rectifier Check Please !
  229. 1st tube project, tubalizer?
  230. 1st Time project - Report 1
  231. ED-8000 set amp
  232. Hitachi v-202 scope
  233. Cheap and nice looking SE OPT
  234. How much difference 0.22 vs 0.33 cap?
  235. Tubelab SimpleSE
  236. 813 final design?
  237. HPHV regulator, designed by Emile Sprenger
  238. Counterpoint tube amps
  239. SS or tube voltage amplifying stages in an amp with tube output?
  240. 24V Aikido --> 6GM8 with Buffer
  241. Motorboating in Dynaco ST-70
  242. Does such a tube exist?
  243. Noisy PSU?
  244. Bell & Howell amp
  245. Valve Amp with soild state front end
  246. Controlling transient response
  247. Transcendar Budget SE Transformers
  248. Opinion on New Sensor 6SN7GTB?
  249. Determining optimal OT turns ratio
  250. Splitting up the Power Amp

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