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  1. recording amp
  2. A Tee-Vee T00b Amp
  3. metal tube lineup for a guitar amp
  4. Locating a bad resistor
  5. MiscEI
  6. ST70 iron recommendations please
  7. need help finding a link . . .
  8. Cathodyne Phase Inverter question
  9. Using a ignition coil for a audio transformer
  10. Multiple primary windings
  11. mcintosh mc3500 clone
  12. B+ Delay
  13. My attempt: 5 element Pentode Spice model
  14. Spelling, capitalization, and grammar.
  15. Power Supply
  16. Output Autotransformers
  17. Multi Section Cap....diy?
  18. Mullard: Tube Circuits for Audio Amplifiers" - Price?
  19. Tube rectifier to Solid state Diodes exchange
  20. Hickok 533A help
  21. Custom Cards For B&K 675 Tester
  22. Peavey Heritage VTX - Bias Question
  23. EMC Model 200 Tube Tester Any Info Pls
  24. Guitar amp PT design questions
  25. Bada PH-1 simple box mod
  26. Tubes Rectifier Help?
  27. How to make sense of LTSpice FFT analysis?
  28. Cascode with local feedback
  29. amps
  30. how to preserve copper plates?
  31. Stereo EL34 amplifier
  32. SA 3000 Counterpoint
  33. tube amp transformer identification
  34. Beginner needs advices for 807 PP project
  35. Heater Power Supply Pspice model
  36. FWCT Rectification
  37. dc or not dc
  38. OTL for dummies.
  39. TCJ Cathode-Coupled Amplifier
  40. 845 Low voltage SE AMP
  41. Vacuum Tube Computer Simulation Modeling
  42. Getting a vintage amp to work
  43. Switched DC/DCconverter for B+
  44. What can I do with this?
  45. Super Pas Two
  46. pspice model of 811A
  47. Question on what is more important B+ or Plate Voltage
  48. Can I trust SPICE?
  49. Power supply filter mod
  50. Does antone interested xxx PCB groupbuy ?
  51. 1 signal ground or two?
  52. Peavey Heritage VTX - Schematics
  53. #47......
  54. Hammond 1650F
  55. 100 watt KT88/6550 Designs
  56. What glue to use for tube glass bulb + base
  57. Tube filaments (heaters) power supply
  58. Quick Ecl86/6gw8 Amp
  59. Need help on eq. hook up for new tube system
  60. Alternatives to the Dynaco ST-70
  61. I need some eq. hook up expert advice please!
  62. Please help identify which plug I need for this socket
  63. Svetlana KT88 winged C's failings
  64. PP amp using 6p15P
  65. Time for another round of "Criticise my Circuit"... err..I mean
  66. Adding a parallel feed on DRD
  67. How hot can resistor stands?
  68. Hybrid amplifier A2 class
  69. Diodes on power supply output for voltage drop?
  70. Converting from single ended parafeed to differential
  71. micro-amp SE with 2,5k OPT+
  72. Unknown Tube Amp
  73. Aikido AC Heater Supply
  74. Help me find some odd looking rectifiers!
  75. So, you may have been wondering...(813 Content !)
  76. Just sharing my 26 experience last night...
  77. Simple 5842-45 SET Amp Design Idea
  78. Yamamoto teflon sockets
  79. new thread, 6BM8 PP build begins...
  80. KT88 Heater Current
  81. 150V plate output tubes
  82. Newbie need to help
  83. Help me please
  84. Elekit TU-870 help
  85. Looking for schematic of Audible Illusion Modulus 3A preamp
  86. Junker Box amp
  87. aikido hybrid with 5 A bias
  88. Shall we compile a list?
  89. drift in direct coupled tubes
  90. Hammond 2XX vs 3XX Power Tranny Questions
  91. Help with this transformer please...
  92. Capacitor upgrade in Paragon 12A
  93. Light bulbs as cathode resistors?
  94. Favorite Threads and Posts in "Tubes" Forum
  95. I need 12v DC- whats the best option?
  96. Beard P35 and Tubes Replacement
  97. Graphic 1/3 Octave Tube Equaliser
  98. GE "Dual Speaker" radio to Harmony H303 conversion : Help, please?
  99. Power Supply Design
  100. Gomes amp
  101. pignose g40v power transformer
  102. Grid battery biased SE output stages
  103. KT88 amp schematic/parts list
  104. Wire Wrap connections for point to point
  105. Aikido Tubes
  106. Recommended tubes for AI Modulus 3A, C-J MV55 and Moscode 300
  107. Schematic Question
  108. EL34 as triode?
  109. Linestage Questions
  110. Help! Building Jax's HFTA
  111. Gobs of AC on ISCO 494
  112. Change step up ratio of input transformer?
  113. LCR RIAA rebuild
  114. common mode choke question
  115. Choosing Choke
  116. Input impedance
  117. Hey Tubelab, Transformer Question
  118. Hybrid Rectifier Check Please !
  119. 1st tube project, tubalizer?
  120. 1st Time project - Report 1
  121. ED-8000 set amp
  122. Hitachi v-202 scope
  123. Cheap and nice looking SE OPT
  124. How much difference 0.22 vs 0.33 cap?
  125. Tubelab SimpleSE
  126. 813 final design?
  127. HPHV regulator, designed by Emile Sprenger
  128. Counterpoint tube amps
  129. SS or tube voltage amplifying stages in an amp with tube output?
  130. 24V Aikido --> 6GM8 with Buffer
  131. Motorboating in Dynaco ST-70
  132. Does such a tube exist?
  133. Noisy PSU?
  134. Bell & Howell amp
  135. Valve Amp with soild state front end
  136. Controlling transient response
  137. Transcendar Budget SE Transformers
  138. Opinion on New Sensor 6SN7GTB?
  139. Determining optimal OT turns ratio
  140. Splitting up the Power Amp
  141. Sowter 5113
  142. Cascoded 6N6P
  143. MachMat or Tentlabs Heater Supply for 300B
  144. Common mode filtering for heater supplies.
  145. Distortion.
  146. 83 rectifier peak repetitive current?
  147. 813 Project has begun !
  148. C3G PX25 DRD - Will it work
  149. 6J5 (Metal Tubes) ....something goes around inside
  150. common-mode chokes
  151. EL-34 and 100k pot
  152. Scott 299 (late) OPT's
  153. Tube magazines
  154. PP plate-choke?
  155. More Phase Splitting Questions
  156. Concertina sanity check
  157. Transformer Specs
  158. The Aikido or Moskido??
  159. KT88 PP suggestion
  160. Ultrapath line amp
  161. Gross loudspeaker cone movement when using tube amps.
  162. Pre-amp power iron advice??
  163. Class A 8417 Amp
  164. DHT output tubes and DC heating
  165. rock music and SE?
  166. Disadvantages of using Zobel and Series notch filter ?
  167. old days source
  168. Mu-follower vs common cathode w/- active load
  169. K40 or K42 Russian PIO: what would you use/recommend?
  170. CCS turning off prematurely?
  171. ESL amp again!
  172. calling Moray James, and others ..wav8 or 6BM8 schemtics--PP.
  173. Does anyone know the output transformer specs of the...
  174. SE EL84 project for my friend
  175. SE amplifier - How much power?
  176. what speakers do you use?
  177. A Tube amp for a Hostille Tube Enviornment
  178. practical choice for an amp
  179. Simple cathode CCS
  180. 2A3s in push pull; class A
  181. 5 VDC heater question
  182. Power transformer snerring.
  183. Subminiature Tube & Tripath Hybrid Integrated
  184. 211
  185. Which of these output tubes?
  186. High Voltage Heater info
  187. 6SL7 in place of a 12AX7?
  188. DHT Tubes
  189. Driving 6AQ5's
  190. schematic wanted
  191. 807s replacing 6L6GCs
  192. Shielded vs twisted pair in internal wiring
  193. tube basics: computing mu and transconductance
  194. Aluminium vs steel chassis
  195. Etf06 & 07
  196. FU 13 tubes
  197. Good Souinding Direct Replacement For 325 / OP 37
  198. how to wire 6.3VDC heater on a heater with center tap (12.6V series, 6.3V parallel)?
  199. The Russian 5U4M is a 5AR4 equivalent ?
  200. WE427A Cold Cathode Diode
  201. reversing polarity in regulated B+ and other question
  202. Anthem Integrated 1
  203. Hickok 800 settings
  204. Advice/Help - Cap upgrade
  205. question on old tube sockets
  206. fisher sa-16 very red tube and?
  207. pros/cons of a 845 VS 211
  208. Preamp Power and Voltage Output
  209. Anyone seen these 6L6GCs before?
  210. online transformer info for newbies
  211. High voltage pseudo-triode
  212. Yes, again: mains-powered KILLER amp without a power transformer.
  213. Quicksilver 300b monoblock (KT88 conversion)
  214. Output transformer (SE) - DIY
  215. is Gary Pimm still around?
  216. carbon composition - 2 types
  217. Input attenuation on Leak amp
  218. 101D Sockets
  219. PC86, '88 RF Amplifiers
  220. Jolida SJ-302A tube swap
  221. Inductance for tweeter OPT
  222. Help me.......What is the 6SN7 ???????
  223. high DCR secondary (power transformer)
  224. Transformer power formula Help???
  225. 2A3 OTL 800 Ohm Speaker
  226. Trying to find specs on transformer core material
  227. 12AX7 suggestions?
  228. power supply (cap input)
  229. is it safe to connect these secondaries in series?
  230. Peter Millett's Uniamp with KT88
  231. Mystery transformer
  232. Can I phase split like this?
  233. How to model psud2 using tube regulator?
  234. Choke-loaded 6C33C stage
  235. EL84 as both driver and output stage.
  236. Silvertone (Sears) stereo amp
  237. Chasing hum in a new tube amp
  238. Zenith K731 AM/FM radio audio random cracking sound in FM mode
  239. 6bx7gt Se Amp
  240. Beard P100 Bias Lights
  241. Metasonix TS-21 modulator
  242. help with diyparadiso schematics
  243. electrostatic shield - nice to have or recommended or doesn't matter?
  244. Simple method for 240V from 240V line
  245. Audiophile bibliophilia nervosa
  246. Help with amp layout
  247. Why triode Mk3 is louder than stock Mk3
  248. Seduction or Cornet for phono???
  249. Please review my 6AQ5 Amp
  250. 832A PP Amp LTP

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