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  1. JAN Sylvania 7308 vs. JAN Sylvania 6922
  2. recording amp
  3. A Tee-Vee T00b Amp
  4. metal tube lineup for a guitar amp
  5. Locating a bad resistor
  6. MiscEI
  7. ST70 iron recommendations please
  8. need help finding a link . . .
  9. Cathodyne Phase Inverter question
  10. Using a ignition coil for a audio transformer
  11. Multiple primary windings
  12. mcintosh mc3500 clone
  13. B+ Delay
  14. My attempt: 5 element Pentode Spice model
  15. Spelling, capitalization, and grammar.
  16. Power Supply
  17. Output Autotransformers
  18. Multi Section Cap....diy?
  19. Mullard: Tube Circuits for Audio Amplifiers" - Price?
  20. Tube rectifier to Solid state Diodes exchange
  21. Hickok 533A help
  22. Custom Cards For B&K 675 Tester
  23. Peavey Heritage VTX - Bias Question
  24. EMC Model 200 Tube Tester Any Info Pls
  25. Guitar amp PT design questions
  26. Bada PH-1 simple box mod
  27. Tubes Rectifier Help?
  28. How to make sense of LTSpice FFT analysis?
  29. Cascode with local feedback
  30. amps
  31. how to preserve copper plates?
  32. Stereo EL34 amplifier
  33. SA 3000 Counterpoint
  34. tube amp transformer identification
  35. Beginner needs advices for 807 PP project
  36. Heater Power Supply Pspice model
  37. FWCT Rectification
  38. dc or not dc
  39. OTL for dummies.
  40. TCJ Cathode-Coupled Amplifier
  41. 845 Low voltage SE AMP
  42. Vacuum Tube Computer Simulation Modeling
  43. Getting a vintage amp to work
  44. Switched DC/DCconverter for B+
  45. What can I do with this?
  46. Super Pas Two
  47. pspice model of 811A
  48. Question on what is more important B+ or Plate Voltage
  49. Can I trust SPICE?
  50. Power supply filter mod
  51. Does antone interested xxx PCB groupbuy ?
  52. 1 signal ground or two?
  53. Peavey Heritage VTX - Schematics
  54. #47......
  55. Hammond 1650F
  56. 100 watt KT88/6550 Designs
  57. What glue to use for tube glass bulb + base
  58. Tube filaments (heaters) power supply
  59. Quick Ecl86/6gw8 Amp
  60. Need help on eq. hook up for new tube system
  61. Alternatives to the Dynaco ST-70
  62. I need some eq. hook up expert advice please!
  63. Please help identify which plug I need for this socket
  64. Svetlana KT88 winged C's failings
  65. PP amp using 6p15P
  66. Time for another round of "Criticise my Circuit"... err..I mean
  67. Adding a parallel feed on DRD
  68. How hot can resistor stands?
  69. Hybrid amplifier A2 class
  70. Diodes on power supply output for voltage drop?
  71. Converting from single ended parafeed to differential
  72. micro-amp SE with 2,5k OPT+
  73. Unknown Tube Amp
  74. Aikido AC Heater Supply
  75. Help me find some odd looking rectifiers!
  76. So, you may have been wondering...(813 Content !)
  77. Just sharing my 26 experience last night...
  78. Simple 5842-45 SET Amp Design Idea
  79. Yamamoto teflon sockets
  80. new thread, 6BM8 PP build begins...
  81. KT88 Heater Current
  82. 150V plate output tubes
  83. Newbie need to help
  84. Help me please
  85. Elekit TU-870 help
  86. Looking for schematic of Audible Illusion Modulus 3A preamp
  87. Junker Box amp
  88. aikido hybrid with 5 A bias
  89. Shall we compile a list?
  90. drift in direct coupled tubes
  91. Hammond 2XX vs 3XX Power Tranny Questions
  92. Help with this transformer please...
  93. Capacitor upgrade in Paragon 12A
  94. Light bulbs as cathode resistors?
  95. Favorite Threads and Posts in "Tubes" Forum
  96. I need 12v DC- whats the best option?
  97. Beard P35 and Tubes Replacement
  98. Graphic 1/3 Octave Tube Equaliser
  99. GE "Dual Speaker" radio to Harmony H303 conversion : Help, please?
  100. Power Supply Design
  101. Gomes amp
  102. pignose g40v power transformer
  103. Grid battery biased SE output stages
  104. KT88 amp schematic/parts list
  105. Wire Wrap connections for point to point
  106. Aikido Tubes
  107. Recommended tubes for AI Modulus 3A, C-J MV55 and Moscode 300
  108. Schematic Question
  109. EL34 as triode?
  110. Linestage Questions
  111. Help! Building Jax's HFTA
  112. Gobs of AC on ISCO 494
  113. Change step up ratio of input transformer?
  114. LCR RIAA rebuild
  115. common mode choke question
  116. Choosing Choke
  117. Input impedance
  118. Hey Tubelab, Transformer Question
  119. Hybrid Rectifier Check Please !
  120. 1st tube project, tubalizer?
  121. 1st Time project - Report 1
  122. ED-8000 set amp
  123. Hitachi v-202 scope
  124. Cheap and nice looking SE OPT
  125. How much difference 0.22 vs 0.33 cap?
  126. Tubelab SimpleSE
  127. 813 final design?
  128. HPHV regulator, designed by Emile Sprenger
  129. Counterpoint tube amps
  130. SS or tube voltage amplifying stages in an amp with tube output?
  131. 24V Aikido --> 6GM8 with Buffer
  132. Motorboating in Dynaco ST-70
  133. Does such a tube exist?
  134. Noisy PSU?
  135. Bell & Howell amp
  136. Valve Amp with soild state front end
  137. Controlling transient response
  138. Transcendar Budget SE Transformers
  139. Opinion on New Sensor 6SN7GTB?
  140. Determining optimal OT turns ratio
  141. Splitting up the Power Amp
  142. Sowter 5113
  143. Cascoded 6N6P
  144. MachMat or Tentlabs Heater Supply for 300B
  145. Common mode filtering for heater supplies.
  146. Distortion.
  147. 83 rectifier peak repetitive current?
  148. 813 Project has begun !
  149. C3G PX25 DRD - Will it work
  150. 6J5 (Metal Tubes) ....something goes around inside
  151. common-mode chokes
  152. EL-34 and 100k pot
  153. Scott 299 (late) OPT's
  154. Tube magazines
  155. PP plate-choke?
  156. More Phase Splitting Questions
  157. Concertina sanity check
  158. Transformer Specs
  159. The Aikido or Moskido??
  160. KT88 PP suggestion
  161. Ultrapath line amp
  162. Gross loudspeaker cone movement when using tube amps.
  163. Pre-amp power iron advice??
  164. Class A 8417 Amp
  165. DHT output tubes and DC heating
  166. rock music and SE?
  167. Disadvantages of using Zobel and Series notch filter ?
  168. old days source
  169. Mu-follower vs common cathode w/- active load
  170. K40 or K42 Russian PIO: what would you use/recommend?
  171. CCS turning off prematurely?
  172. ESL amp again!
  173. calling Moray James, and others ..wav8 or 6BM8 schemtics--PP.
  174. Does anyone know the output transformer specs of the...
  175. SE EL84 project for my friend
  176. SE amplifier - How much power?
  177. what speakers do you use?
  178. A Tube amp for a Hostille Tube Enviornment
  179. practical choice for an amp
  180. Simple cathode CCS
  181. 2A3s in push pull; class A
  182. 5 VDC heater question
  183. Power transformer snerring.
  184. Subminiature Tube & Tripath Hybrid Integrated
  185. 211
  186. Which of these output tubes?
  187. High Voltage Heater info
  188. 6SL7 in place of a 12AX7?
  189. DHT Tubes
  190. Driving 6AQ5's
  191. schematic wanted
  192. 807s replacing 6L6GCs
  193. Shielded vs twisted pair in internal wiring
  194. tube basics: computing mu and transconductance
  195. Aluminium vs steel chassis
  196. Etf06 & 07
  197. FU 13 tubes
  198. Good Souinding Direct Replacement For 325 / OP 37
  199. how to wire 6.3VDC heater on a heater with center tap (12.6V series, 6.3V parallel)?
  200. The Russian 5U4M is a 5AR4 equivalent ?
  201. WE427A Cold Cathode Diode
  202. reversing polarity in regulated B+ and other question
  203. Anthem Integrated 1
  204. Hickok 800 settings
  205. Advice/Help - Cap upgrade
  206. question on old tube sockets
  207. fisher sa-16 very red tube and?
  208. pros/cons of a 845 VS 211
  209. Preamp Power and Voltage Output
  210. Anyone seen these 6L6GCs before?
  211. online transformer info for newbies
  212. High voltage pseudo-triode
  213. Yes, again: mains-powered KILLER amp without a power transformer.
  214. Quicksilver 300b monoblock (KT88 conversion)
  215. Output transformer (SE) - DIY
  216. is Gary Pimm still around?
  217. carbon composition - 2 types
  218. Input attenuation on Leak amp
  219. 101D Sockets
  220. PC86, '88 RF Amplifiers
  221. Jolida SJ-302A tube swap
  222. Inductance for tweeter OPT
  223. Help me.......What is the 6SN7 ???????
  224. high DCR secondary (power transformer)
  225. Transformer power formula Help???
  226. 2A3 OTL 800 Ohm Speaker
  227. Trying to find specs on transformer core material
  228. 12AX7 suggestions?
  229. power supply (cap input)
  230. is it safe to connect these secondaries in series?
  231. Peter Millett's Uniamp with KT88
  232. Mystery transformer
  233. Can I phase split like this?
  234. How to model psud2 using tube regulator?
  235. Choke-loaded 6C33C stage
  236. EL84 as both driver and output stage.
  237. Silvertone (Sears) stereo amp
  238. Chasing hum in a new tube amp
  239. Zenith K731 AM/FM radio audio random cracking sound in FM mode
  240. 6bx7gt Se Amp
  241. Beard P100 Bias Lights
  242. Metasonix TS-21 modulator
  243. help with diyparadiso schematics
  244. electrostatic shield - nice to have or recommended or doesn't matter?
  245. Simple method for 240V from 240V line
  246. Audiophile bibliophilia nervosa
  247. Help with amp layout
  248. Why triode Mk3 is louder than stock Mk3
  249. Seduction or Cornet for phono???
  250. Please review my 6AQ5 Amp

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