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 Driver PCB for PP Amp (EL34/KT88)?
  2. Tube Integrated Amp Kit Project
  3. 866A transient over-current capability?
  4. 6HS8 tubes for volume control
  5. cathode for plate ccs ?
  6. Broken Tube pin guides
  7. I need a 120v ct transformer... Where to look?
  8. Best production EL34?
  9. 6DJ8 or 12AT7
  10. 6L6 Single Ended Flea Amp?
  11. Se Tranny used on Parafeed!!!
  12. Hammond 270 series power transformer?
  13. 6aq5.......6v6.......
  14. 6N1 substitution with 6922
  15. driving 845 push-pull with a signal from a 300B SE stage
  16. Recommend a schematic for a Moving Coil head amp?
  17. Tube Buffer 6J1 / 5654 (6AK5)
  18. question about 6Av5ga tubes
  19. Toroidal SE transformers
  20. Calling MR. Tubelab! 6W6GT?
  21. Triode Trick
  22. SE 300B or PP KT88 amps?
  23. perhaps an INSANE query...
  24. Possible to estimate transformer specs?
  25. 9 pin replacement sockets
  26. Bench PSU
  27. Need help to make a correct 83 (merc.vapor.rect) SS replacement.
  28. Joke of the day
  29. $300 tube amp budget. Which Amp??
  30. Simple Linestage for 27 or 1H5?
  31. Foreplay III pre amp
  32. Fixing this 100TH
  33. I have some 5654
  34. Multisegment capacitor replacement help.
  35. Amplifer calculation
  36. Auto Bias?
  37. Se KT88 with Quad ESL
  38. Parts from Salvage
  39. power supply question.... too many Volts?
  40. Heathkit A7E Conversion to Guitar
  41. Now wouldn’t this make an awesome monoblock.
  42. Please,help me for schematics!!
  43. Kofi Annan in: "Open for Suggestion"
  44. What connector for 300vDC DOMESTIC environment?
  45. looking for help in transformers.
  46. problems with 805 tubes
  47. Audio Research D-90
  48. Replacing a 12AU7 in a cathode-follower.
  49. Original Dynaco 70 circuit mods/upgrades?
  50. is there a power supply unit for prototyping?
  51. Power Supply Design and Blocking
  52. OTL questions
  53. PP- which input/splitter topology??
  54. Cathode feedback and DHTs
  55. How should Dick Olsher Blue Velvet measure??
  56. Info on Melos MA-111?
  57. Aikido with dual personality
  58. Making a hole for AC socket in a chassis
  59. Liteaudio LS31 preamp pcb
  60. Thoughts on Quad II output topology
  61. HF-85 Rebuild advice
  62. Cheap Williamson amp kit
  63. Mr'Liang audio amplifiers
  64. plate ccs
  65. DC Huuuummmmmm
  66. Hey Gingertube - trying to debug Baby Huey
  67. question about nOrh SE 9 amp for FE207E
  68. 6N1P or EF86 for bass guitar preamp?
  69. Arc D150
  70. help identify this "cleartop 6550"
  71. Cheap emergency gold sockets
  72. Is Western Electric for Real? KT88 Scam?
  73. Russian 635P?
  74. Swinging Choke or Smoothing Choke
  75. Amp de-bugging
  76. SMPS for B+ from PC PS
  77. Placement of tone stacks
  78. Rectify AC to DC for heating
  79. KT88 in class B
  80. 6FE5 Ultralinear?
  81. OPT -the good, the bad or the ugly ??
  82. Switching power supply for tube-pre
  83. Using a zener to drop plate+screen voltages
  84. Will this circuit work?
  85. Ei 6CW5, any users?
  86. Simple tube preamp?
  87. push-pull and primary impedance
  88. DIY : SWR Interstellar OverDrive (bass preamp)
  89. sound valves m-40 schematics
  90. series connection of filament in push pull output stage
  91. Has anybody built this amp?
  92. Red Light District Amp Screen Reg
  93. AEG rectifier
  94. Gm emulator for calibration
  95. Greetings and a couple of questions
  96. Tubes in a chip amp power stage??
  97. Yaqin MC-10L Preamp Tubes
  98. Sound of paralleld EL84
  99. Preamp Question
  100. WTH -- UL back to triode connection
  101. $139 tube amp but cant remember where i saw it...
  102. better 6au6 alternative
  103. type 40 triode curves
  104. Cap size for Hg Rectifiers
  105. Anybody have experience building an OTL amp?
  106. measuring hum
  107. Nytone SA2000
  108. Inter stage iron in High End
  109. very peculiar psu problem
  110. 12A6 Healthkit A7 Amp
  111. testing a 13E1
  112. JE Labs / Arnold Cruz 2A3 amp - Q
  113. 5842 grounded grid
  114. Russian RF Double Tetrodes
  115. Opinions or inputs on Altec 1570B amplifiers
  116. Chinese EL34 amp to modify
  117. GE 97F cap polarity ???
  118. 6C8G phase inverter
  119. Shall I disassemble this ampex for parts?
  120. Power Amp Build from Eico ST70 - Negative Feedback Question
  121. ECC83 cathode grounded = awesome overdrive (?!?!?)
  122. Looking for a Balanced Mic Preamp w 12AX7
  123. Does anyone has a T.A.C.-34 or a T.A.C.-88 schematic?
  124. Conrad Johnson PV10L Phono stage DIY
  125. NEW KT66's
  126. Edcor outputs?
  127. Schematic Comment on 'Principles of Power" book ??
  128. what kind of resistor is this?
  129. stereo push pull amp one heater supply for power tubes
  130. Building new GU-50 stereo amp...
  131. Tubes and microphonics
  132. 829 or GU-29 audio amplifier schematics?
  133. Electrolytic types...
  134. Consonance t99 schematic/ minimax pre
  135. Useful Supplier of Transformers, Chokes, Chassis and other stuff
  136. Serious case of brain fry. You out there Thorsten?
  137. Upgrading a Beard P100 tubeamp
  138. Tube Amplifier with OT100
  139. bogen m120 schematic
  140. Question about Thorsten's Tube Phono Pre
  141. PP Output Trafo Measurement
  142. push pull balancing
  143. New issue Mullard Tubes
  144. Help on triode
  145. 5 Volt Damper Diodes?
  146. Please help diagnose preamp problem
  147. 6N1/6N3 substitution
  148. Cathode feedback and input impedance
  149. Optimal ripple voltage on b+ supply
  150. Setup suggestion between DAC-AH and ST-70
  151. Simple Low Voltage Tube Preamp?
  152. Anyone built this 100W GEC amp? How is the sound?
  153. Does anyone have VT150 schematic?
  154. Ignition Coil Toobe Amplifier
  155. Voltage swing of Heffa?
  156. All pentode PP amp?
  157. GZ34 anode load resistor calculation - help?
  158. Capacitor choice for attached schematic
  159. The sound of... tubes !
  160. All quiet on the SN front - recommended choice of tubes
  161. Moscode 600 hum/turn off thump
  162. Tube Tester Resto Basics
  163. Marshall 100v 8100U Guitar Amp Hums
  164. What's the simple killer tube amp? Anyone?
  165. Help - CFB in a KT88 SE amp
  166. Any Russian speakers here?
  167. 6av6 Diode use?
  168. Power Supply
  169. Choke rating for choke input duty
  170. drawing a loadline for a power stage EL34 tube.
  171. Experiencing problems to insert tubes
  172. Preamp signal wiring ideas ?
  173. el34PP circuit evaluation!!
  174. "Re-Forming" Caps on Old Tube Amp
  175. Gary Pimm website?
  176. Haltron (UK), Trigon (UK) and Ultron (germany) ECC83 tubes info request.
  177. Audio Research D150 bias setting
  178. Cathodyne phase splitter with CCS?
  179. Has anyone tried 2 x 6550 100W amp?
  180. modelling PSU for Aikido
  181. 27 head phone amp or.??
  182. New Chassis Fabrication Pics and Capacitor Question
  183. Replacing old caps in the SP8 pre-amp
  184. Tube choice for Class A2
  185. hybrid graetz in PSUDII
  186. 6C45P Spud
  187. Philips ECG 12AX7WA or GE 5751 ?? Opinions, please.
  188. Single Ended EL34 Amp
  189. Rp / Rk on Aikido preamp
  190. hum in amp!
  191. Looking for a 83 rectifier model
  192. Advice wanted on ebay SET amps
  193. Resistors for ultralinear-to-triode conversion
  194. Gary Pimm
  195. resistor values for lifting ground AND LED
  196. output transformer impedance choices
  197. Feedback disc recording amp
  198. 6bm8/ECL82 vs EL84
  199. B+ filter caps
  200. (Newbie) CSS Question
  201. 6P15P Tubes: Push Pull Possible?
  202. Tube X-ref list ??
  203. AVO tube tester spares
  204. Add gain before or after the phase splitter?
  205. ping SY: Red Light LED question
  206. Greinacher voltage multiplier
  207. Dead channel
  208. Euphonia is back!
  209. What's the best 417A & 437A?
  210. Eico ST70 OPT / Schematic Question
  211. Is this feasible?
  212. Repairing 805 tubes
  213. jadis defy 7 help
  214. 6n1p Screen
  215. Mc275ce
  216. Are these tubes are the same?
  217. "King of tube(s) for line-stages"
  218. Acoustic Plan PhonoMaster
  219. Heathkit AA-81 schematic
  220. has anyone kept a copy of gpimm's latest self-biasing CCS?
  221. How to wire inductor - s and n
  222. Rogers Cadet III schematics Corrections
  223. Hickok TV-7/U restoration advice needed.
  224. Rogers Cadet III to SY's Red Light District or Gingertubes's Baby Huey
  225. 24v Aikido for newb.
  226. Powering Up Old Tube Amps/Receivers
  227. preliminary schematic drawing rev.1a
  228. Not a typical MKIII Dynaco.
  229. mosfet buffer for power stage
  230. EI KT-90 news
  231. 304TL based Class A
  232. Purchasing NOS Tubes
  233. tube power supply design resources
  234. High Voltage Regulator Design
  235. max. output for two 5881 tubes?
  236. Excessive current draw in Fender Deville
  237. driving your power stage
  238. Need schematic Cary Audio SLP-70 preamp
  239. Bridge-balanced amplifiers
  240. Tell-tale signs of good feedback usage?
  241. Any mid priced SE transformers around?
  242. Bias resistor
  243. Some sneek peeks
  244. Old radio with 4 pin sockets, info?
  245. need help on pot tapers
  246. A typical KT88 tubes
  247. amplifier for unknown output transformers?
  248. vista audio
  249. CV4014 and 5650 - any audio application of these tubes?
  250. SVP-PRO schematic

Content Relevant URLs by vBSEO 3.3.2