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  1. GM70 Lower Voltage PP Question
  2. phonostage with 150VDC B+
  3. Spuddo more powerfull
  4. Larry Moore 300B/10Y/6SN7GT
  5. Foreplay Preamp volume popping
  6. Altec Tube Amplifiers
  7. Circuit review
  8. DIY Tube Tester for 6336s
  9. 12dw7 to 12ax7 conversion?
  10. 26 preamp
  11. Etf07
  12. 1st Project Heater Wiring
  13. Dropped tube
  14. Great bench supply for tube work.
  15. Mullard px25 - need matched pair
  16. 2W carbon composit ressy
  17. popping noise through 1 channel on Radford STA15
  18. Point to point wiring help
  19. 1st Time Project - Report 2 + advice sought
  20. "Simple" 2A3
  21. vinyl v cd differences - phono pre and cd-player
  22. Shielded input cable
  23. knight guitar amp conversion
  24. Dumb motor run capacitor question
  25. Coupling caps in ST35
  26. Mentmore M100
  27. How to match tubes?
  28. Transcendent OTL T8 Vs. Atma-Sphere M60
  29. New 12AX7A Pspice model
  30. What does R2D2, Mickey Mouse and a...
  31. Why 5V filament
  32. Alloys for filaments
  33. 6360 as Power Tube for SE amp
  34. Bridging Stereo Amps
  35. Problem with 6L6 Monoblock
  36. Gain
  37. Proper grounding method...
  38. Changing a tube amp...
  39. Houston Mini 2004 Pot question
  40. Diode Heatsink
  41. Looking for a PCB / kit for a bipolar tube rectified PSU
  42. compactron output stage and power supply
  43. Better sounding ECL86's
  44. Heathkit EA-3 conversion to guitar amp
  45. interesting amp & interesting problem
  46. Hybrid Tube / Mosfet Amplifier
  47. Again (sorry) what's the biggest 6V heater double rectifier?
  48. PP EL34 circuit wanted
  49. Need advice for transformer for tube GM 70.
  50. Pentode filter
  51. How to calculate for cathode follower
  52. 6L6WXT in a Dynaco ST-70
  53. tube preamp using submini tube
  54. SE Trafo for PP use
  55. WE91A Pentode Questions?
  56. Lower voltage Dynaco ST35 for 6P14P // 7247 replacement
  57. looking for schematic; three EL84's in PSE ?
  58. Need work done on a dynaco power amp
  59. quick question on fixed bias
  60. DIY Tube Audio dealers in New Zealand
  61. ornec
  62. Tuner filament supply question
  63. An idea for a partial feedback pentode amp using 6AU6's and 807's
  64. Tube current regulation for series heaters' supply.
  65. Bogen PCA-1 two tube booster amp
  66. First time building a tube preamp
  67. B&K 700 problems?
  68. Silvertone 1482 Blowing Rectifier Tubes
  69. Voltage Multipliers
  70. Russian 6P14P tubes
  71. Where to get tube spec sheets, pinouts
  72. PCL 82 Hybrid 2SC5200/2SA1943
  73. CCS in Otput Tube Cathode - Does It Make Sense?
  74. My Guitar Tube Amp. Help needed with Mesa/Boogie pre
  75. My brew of the "Darling"
  76. Series connection of filaments
  77. noisy filament transformer
  78. Circuit diagram for Trilogy VTi.
  79. Got oddball tubes!
  80. A photo for my question
  81. Make a preamp with an already buil amplifier
  82. DN2540
  83. mods for almarro amp
  84. Filament Transformer
  85. Circuit indentification
  86. Simplest Tube Regulated PSU?
  87. High Voltage Insulator for Umbilical
  88. wiring diagram, instruction on the transformer S-265-Q
  89. help me get started
  90. 12AU7 instead of 6C4
  91. Fisher 600 questions
  92. Phase inverter
  93. srpp input stage
  94. Orientation of EL34 Tubes
  95. Load termination ?
  96. Advice on SE DHT for Lowther Fidelio DX2
  97. Dynacord MV46 as a compressor
  98. Biggest dual triode output tube?
  99. OPT impedance question
  100. Partridge SE O/P transformers
  101. SimpleSE and me
  102. SRPP decoupling cap vs. output transformer
  103. Differences between 6SN7GTA and 6SN7GTB?
  104. Radford STA-15 questions
  105. Balanced Input Hookup
  106. Need Tube Testing Settings for 3 tubes
  107. Need helping in Grounded Grid preamp using 6H6P 6H30P
  108. Regulated Lab DC power supply
  109. Fixed Bias 6BQ5?
  110. Heathkit AG7 Audio Geneator
  111. Music Angel vs Mr Liang L1-L3? And best speakers for 3k budget?
  112. NEWBIE question SET vs. Solid State
  113. 6N6P cascode + 6AS7 Cathode follower
  114. Help me calculator OPT for 807, 6C4C tubes.
  115. Now I have caught the bug - next project
  116. 20W cathode follower amplifier
  117. Muting line level signals
  118. Anywhere in Hong Kong...
  119. RIAA / Pre mod/upgrade
  120. IT WORKS! Tube Phono Stage
  121. 2033 info sought
  122. Pentode Zeus
  123. 5987 (sc968b)
  124. Low Voltage Plate Follower 6DJ8 Buffer Power Supply
  125. JAN Sylvania 7308 vs. JAN Sylvania 6922
  126. recording amp
  127. A Tee-Vee T00b Amp
  128. metal tube lineup for a guitar amp
  129. Locating a bad resistor
  130. MiscEI
  131. ST70 iron recommendations please
  132. need help finding a link . . .
  133. Cathodyne Phase Inverter question
  134. Using a ignition coil for a audio transformer
  135. Multiple primary windings
  136. mcintosh mc3500 clone
  137. B+ Delay
  138. My attempt: 5 element Pentode Spice model
  139. Spelling, capitalization, and grammar.
  140. Power Supply
  141. Output Autotransformers
  142. Multi Section Cap....diy?
  143. Mullard: Tube Circuits for Audio Amplifiers" - Price?
  144. Tube rectifier to Solid state Diodes exchange
  145. Hickok 533A help
  146. Custom Cards For B&K 675 Tester
  147. Peavey Heritage VTX - Bias Question
  148. EMC Model 200 Tube Tester Any Info Pls
  149. Guitar amp PT design questions
  150. Bada PH-1 simple box mod
  151. Tubes Rectifier Help?
  152. How to make sense of LTSpice FFT analysis?
  153. Cascode with local feedback
  154. amps
  155. how to preserve copper plates?
  156. Stereo EL34 amplifier
  157. SA 3000 Counterpoint
  158. tube amp transformer identification
  159. Beginner needs advices for 807 PP project
  160. Heater Power Supply Pspice model
  161. FWCT Rectification
  162. dc or not dc
  163. OTL for dummies.
  164. TCJ Cathode-Coupled Amplifier
  165. 845 Low voltage SE AMP
  166. Vacuum Tube Computer Simulation Modeling
  167. Getting a vintage amp to work
  168. Switched DC/DCconverter for B+
  169. What can I do with this?
  170. Super Pas Two
  171. pspice model of 811A
  172. Question on what is more important B+ or Plate Voltage
  173. Can I trust SPICE?
  174. Power supply filter mod
  175. Does antone interested xxx PCB groupbuy ?
  176. 1 signal ground or two?
  177. Peavey Heritage VTX - Schematics
  178. #47......
  179. Hammond 1650F
  180. 100 watt KT88/6550 Designs
  181. What glue to use for tube glass bulb + base
  182. Tube filaments (heaters) power supply
  183. Quick Ecl86/6gw8 Amp
  184. Need help on eq. hook up for new tube system
  185. Alternatives to the Dynaco ST-70
  186. I need some eq. hook up expert advice please!
  187. Please help identify which plug I need for this socket
  188. Svetlana KT88 winged C's failings
  189. PP amp using 6p15P
  190. Time for another round of "Criticise my Circuit"... err..I mean
  191. Adding a parallel feed on DRD
  192. How hot can resistor stands?
  193. Hybrid amplifier A2 class
  194. Diodes on power supply output for voltage drop?
  195. Converting from single ended parafeed to differential
  196. micro-amp SE with 2,5k OPT+
  197. Unknown Tube Amp
  198. Aikido AC Heater Supply
  199. Help me find some odd looking rectifiers!
  200. So, you may have been wondering...(813 Content !)
  201. Just sharing my 26 experience last night...
  202. Simple 5842-45 SET Amp Design Idea
  203. Yamamoto teflon sockets
  204. new thread, 6BM8 PP build begins...
  205. KT88 Heater Current
  206. 150V plate output tubes
  207. Newbie need to help
  208. Help me please
  209. Elekit TU-870 help
  210. Looking for schematic of Audible Illusion Modulus 3A preamp
  211. Junker Box amp
  212. aikido hybrid with 5 A bias
  213. Shall we compile a list?
  214. drift in direct coupled tubes
  215. Hammond 2XX vs 3XX Power Tranny Questions
  216. Help with this transformer please...
  217. Capacitor upgrade in Paragon 12A
  218. Light bulbs as cathode resistors?
  219. Favorite Threads and Posts in "Tubes" Forum
  220. I need 12v DC- whats the best option?
  221. Beard P35 and Tubes Replacement
  222. Graphic 1/3 Octave Tube Equaliser
  223. GE "Dual Speaker" radio to Harmony H303 conversion : Help, please?
  224. Power Supply Design
  225. Gomes amp
  226. pignose g40v power transformer
  227. Grid battery biased SE output stages
  228. KT88 amp schematic/parts list
  229. Wire Wrap connections for point to point
  230. Aikido Tubes
  231. Recommended tubes for AI Modulus 3A, C-J MV55 and Moscode 300
  232. Schematic Question
  233. EL34 as triode?
  234. Linestage Questions
  235. Help! Building Jax's HFTA
  236. Gobs of AC on ISCO 494
  237. Change step up ratio of input transformer?
  238. LCR RIAA rebuild
  239. common mode choke question
  240. Choosing Choke
  241. Input impedance
  242. Hey Tubelab, Transformer Question
  243. Hybrid Rectifier Check Please !
  244. 1st tube project, tubalizer?
  245. 1st Time project - Report 1
  246. ED-8000 set amp
  247. Hitachi v-202 scope
  248. Cheap and nice looking SE OPT
  249. How much difference 0.22 vs 0.33 cap?
  250. Tubelab SimpleSE

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