PDA

View Full Version : Tubes / Valves


Pages : 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 [68] 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102

  1. Stereo EL34 amplifier
  2. SA 3000 Counterpoint
  3. tube amp transformer identification
  4. Beginner needs advices for 807 PP project
  5. Heater Power Supply Pspice model
  6. FWCT Rectification
  7. dc or not dc
  8. OTL for dummies.
  9. TCJ Cathode-Coupled Amplifier
  10. 845 Low voltage SE AMP
  11. Vacuum Tube Computer Simulation Modeling
  12. Getting a vintage amp to work
  13. Switched DC/DCconverter for B+
  14. What can I do with this?
  15. Super Pas Two
  16. pspice model of 811A
  17. Question on what is more important B+ or Plate Voltage
  18. Can I trust SPICE?
  19. Power supply filter mod
  20. Does antone interested xxx PCB groupbuy ?
  21. 1 signal ground or two?
  22. Peavey Heritage VTX - Schematics
  23. #47......
  24. Hammond 1650F
  25. 100 watt KT88/6550 Designs
  26. What glue to use for tube glass bulb + base
  27. Tube filaments (heaters) power supply
  28. Quick Ecl86/6gw8 Amp
  29. Need help on eq. hook up for new tube system
  30. Alternatives to the Dynaco ST-70
  31. I need some eq. hook up expert advice please!
  32. Please help identify which plug I need for this socket
  33. Svetlana KT88 winged C's failings
  34. PP amp using 6p15P
  35. Time for another round of "Criticise my Circuit"... err..I mean
  36. Adding a parallel feed on DRD
  37. How hot can resistor stands?
  38. Hybrid amplifier A2 class
  39. Diodes on power supply output for voltage drop?
  40. Converting from single ended parafeed to differential
  41. micro-amp SE with 2,5k OPT+
  42. Unknown Tube Amp
  43. Aikido AC Heater Supply
  44. Help me find some odd looking rectifiers!
  45. So, you may have been wondering...(813 Content !)
  46. Just sharing my 26 experience last night...
  47. Simple 5842-45 SET Amp Design Idea
  48. Yamamoto teflon sockets
  49. new thread, 6BM8 PP build begins...
  50. KT88 Heater Current
  51. 150V plate output tubes
  52. Newbie need to help
  53. Help me please
  54. Elekit TU-870 help
  55. Looking for schematic of Audible Illusion Modulus 3A preamp
  56. Junker Box amp
  57. aikido hybrid with 5 A bias
  58. Shall we compile a list?
  59. drift in direct coupled tubes
  60. Hammond 2XX vs 3XX Power Tranny Questions
  61. Help with this transformer please...
  62. Capacitor upgrade in Paragon 12A
  63. Light bulbs as cathode resistors?
  64. Favorite Threads and Posts in "Tubes" Forum
  65. I need 12v DC- whats the best option?
  66. Beard P35 and Tubes Replacement
  67. Graphic 1/3 Octave Tube Equaliser
  68. GE "Dual Speaker" radio to Harmony H303 conversion : Help, please?
  69. Power Supply Design
  70. Gomes amp
  71. pignose g40v power transformer
  72. Grid battery biased SE output stages
  73. KT88 amp schematic/parts list
  74. Wire Wrap connections for point to point
  75. Aikido Tubes
  76. Recommended tubes for AI Modulus 3A, C-J MV55 and Moscode 300
  77. Schematic Question
  78. EL34 as triode?
  79. Linestage Questions
  80. Help! Building Jax's HFTA
  81. Gobs of AC on ISCO 494
  82. Change step up ratio of input transformer?
  83. LCR RIAA rebuild
  84. common mode choke question
  85. Choosing Choke
  86. Input impedance
  87. Hey Tubelab, Transformer Question
  88. Hybrid Rectifier Check Please !
  89. 1st tube project, tubalizer?
  90. 1st Time project - Report 1
  91. ED-8000 set amp
  92. Hitachi v-202 scope
  93. Cheap and nice looking SE OPT
  94. How much difference 0.22 vs 0.33 cap?
  95. Tubelab SimpleSE
  96. 813 final design?
  97. HPHV regulator, designed by Emile Sprenger
  98. Counterpoint tube amps
  99. SS or tube voltage amplifying stages in an amp with tube output?
  100. 24V Aikido --> 6GM8 with Buffer
  101. Motorboating in Dynaco ST-70
  102. Does such a tube exist?
  103. Noisy PSU?
  104. Bell & Howell amp
  105. Valve Amp with soild state front end
  106. Controlling transient response
  107. Transcendar Budget SE Transformers
  108. Opinion on New Sensor 6SN7GTB?
  109. Determining optimal OT turns ratio
  110. Splitting up the Power Amp
  111. Sowter 5113
  112. Cascoded 6N6P
  113. MachMat or Tentlabs Heater Supply for 300B
  114. Common mode filtering for heater supplies.
  115. Distortion.
  116. 83 rectifier peak repetitive current?
  117. 813 Project has begun !
  118. C3G PX25 DRD - Will it work
  119. 6J5 (Metal Tubes) ....something goes around inside
  120. common-mode chokes
  121. EL-34 and 100k pot
  122. Scott 299 (late) OPT's
  123. Tube magazines
  124. PP plate-choke?
  125. More Phase Splitting Questions
  126. Concertina sanity check
  127. Transformer Specs
  128. The Aikido or Moskido??
  129. KT88 PP suggestion
  130. Ultrapath line amp
  131. Gross loudspeaker cone movement when using tube amps.
  132. Pre-amp power iron advice??
  133. Class A 8417 Amp
  134. DHT output tubes and DC heating
  135. rock music and SE?
  136. Disadvantages of using Zobel and Series notch filter ?
  137. old days source
  138. Mu-follower vs common cathode w/- active load
  139. K40 or K42 Russian PIO: what would you use/recommend?
  140. CCS turning off prematurely?
  141. ESL amp again!
  142. calling Moray James, and others ..wav8 or 6BM8 schemtics--PP.
  143. Does anyone know the output transformer specs of the...
  144. SE EL84 project for my friend
  145. SE amplifier - How much power?
  146. what speakers do you use?
  147. A Tube amp for a Hostille Tube Enviornment
  148. practical choice for an amp
  149. Simple cathode CCS
  150. 2A3s in push pull; class A
  151. 5 VDC heater question
  152. Power transformer snerring.
  153. Subminiature Tube & Tripath Hybrid Integrated
  154. 211
  155. Which of these output tubes?
  156. High Voltage Heater info
  157. 6SL7 in place of a 12AX7?
  158. DHT Tubes
  159. Driving 6AQ5's
  160. schematic wanted
  161. 807s replacing 6L6GCs
  162. Shielded vs twisted pair in internal wiring
  163. tube basics: computing mu and transconductance
  164. Aluminium vs steel chassis
  165. Etf06 & 07
  166. FU 13 tubes
  167. Good Souinding Direct Replacement For 325 / OP 37
  168. how to wire 6.3VDC heater on a heater with center tap (12.6V series, 6.3V parallel)?
  169. The Russian 5U4M is a 5AR4 equivalent ?
  170. WE427A Cold Cathode Diode
  171. reversing polarity in regulated B+ and other question
  172. Anthem Integrated 1
  173. Hickok 800 settings
  174. Advice/Help - Cap upgrade
  175. question on old tube sockets
  176. fisher sa-16 very red tube and?
  177. pros/cons of a 845 VS 211
  178. Preamp Power and Voltage Output
  179. Anyone seen these 6L6GCs before?
  180. online transformer info for newbies
  181. High voltage pseudo-triode
  182. Yes, again: mains-powered KILLER amp without a power transformer.
  183. Quicksilver 300b monoblock (KT88 conversion)
  184. Output transformer (SE) - DIY
  185. is Gary Pimm still around?
  186. carbon composition - 2 types
  187. Input attenuation on Leak amp
  188. 101D Sockets
  189. PC86, '88 RF Amplifiers
  190. Jolida SJ-302A tube swap
  191. Inductance for tweeter OPT
  192. Help me.......What is the 6SN7 ???????
  193. high DCR secondary (power transformer)
  194. Transformer power formula Help???
  195. 2A3 OTL 800 Ohm Speaker
  196. Trying to find specs on transformer core material
  197. 12AX7 suggestions?
  198. power supply (cap input)
  199. is it safe to connect these secondaries in series?
  200. Peter Millett's Uniamp with KT88
  201. Mystery transformer
  202. Can I phase split like this?
  203. How to model psud2 using tube regulator?
  204. Choke-loaded 6C33C stage
  205. EL84 as both driver and output stage.
  206. Silvertone (Sears) stereo amp
  207. Chasing hum in a new tube amp
  208. Zenith K731 AM/FM radio audio random cracking sound in FM mode
  209. 6bx7gt Se Amp
  210. Beard P100 Bias Lights
  211. Metasonix TS-21 modulator
  212. help with diyparadiso schematics
  213. electrostatic shield - nice to have or recommended or doesn't matter?
  214. Simple method for 240V from 240V line
  215. Audiophile bibliophilia nervosa
  216. Help with amp layout
  217. Why triode Mk3 is louder than stock Mk3
  218. Seduction or Cornet for phono???
  219. Please review my 6AQ5 Amp
  220. 832A PP Amp LTP
  221. Checklist to observe before applying the mains
  222. C3g driving 2a3: Triode or pentode?
  223. psud2 question and Fi Primer's 211 circuit
  224. Jolida JD-301A & Jadis DPL
  225. Headphones with a Tube Amp
  226. 6S3B-V Wire-Ended Single-Triode tube
  227. Anode stoppers
  228. Weird Quad II mains transformer help
  229. Mullard 5-20 parts list
  230. has anyone DIYed a Citation 2?
  231. Bogen/plexi conversion question
  232. Matched pair - different brands
  233. ERIC Mod 3460P Restore
  234. PV12 Preamplifier
  235. Grandma's old Capitol Console
  236. Music Angel
  237. What is the version of 45
  238. Aikido for guitar?
  239. Heathkit potted power transformer question
  240. Thermionic Cooling?
  241. What have the finest sound, the PX4 or the 45 ?
  242. value of a cap between driver tube and output tubes
  243. do matched pair (or maybe a quad) output tubes "aged" at the same rate?
  244. Mini EL84 Amp Done
  245. Overcoming Miller
  246. Heathkit Schematic model AA-50 needed
  247. Help me choose please
  248. Mono Class A SE Schematics
  249. Irish DIY Meet.
  250. Sizing PP OPT

Content Relevant URLs by vBSEO 3.3.2