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 99 100 101 102 103 104 105

  1. 801A/816 tubes wanted
  2. This little thing might save your life!
  3. What happens if I loose the cathode bias?
  4. beginners ecl82 power supply
  5. 2MHz, High voltage source?
  6. beginner's ecl82
  7. Handmade Electronics Metal Punches?
  8. EL34 types
  9. Spice Model 6CW4
  10. El/pl 519
  11. Euridice symetric to Amp?
  12. use of 6dj8 as driver on a direct coupled 2a3 se amp
  13. Western Electric 275A Schematic
  14. Where to source 833 power tube
  15. capacitor reactance
  16. Overvoltaging resistors
  17. EL84 Push Pull amp.
  18. Power supply load capacity
  19. Tube preamp problem
  20. E88C (6DL4/ 8255), any circuit for it?
  21. Is there a name for this drive method?
  22. 6BM8 Question
  23. Tube mic preamp/mixer
  24. Please cast your votes..or make a suggestion or 2
  25. RIAA in LTspice
  26. Parallel ECC82 comment please
  27. A push-pull amp i can live with
  28. Sub-miniature russian amp help
  29. Tube Optical-Isolation Unit
  30. MKP in the Powersupply.
  31. 6SN7-GTB Globe (Chinese)
  32. 12BH7 Specs
  33. Is this worth my time?
  34. choke value
  35. ipod + tubes
  36. Leak tl/25+ OPT selection
  37. Gabevee's Maggie (MAG1515)
  38. Can partial feedback be as effective as global fb for decent damping factor?
  39. Which trans wire is which?
  40. What's wrong with this tube?
  41. F: great sound control with ECC82
  42. 30W UL 6L6P-P amp
  43. 300B stereo SE amp and PP2A3 monoblocks
  44. 6S45P matching
  45. Inductors made for crossover in an amp?
  46. PX4 or AVO44 or AV044 based SETA
  47. power conditioning
  48. Microphone preamp with compressor
  49. Current production rectifiers
  50. mu stage help...
  51. Non-Polar caps to cathode bypass
  52. 5u4 / solid state switchable supply
  53. 12AX7 sound ... going with the trend
  54. 6L6 PP Design Recommendations?
  55. EL 34 30W ultra linear
  56. Convert Audion Silver Knight PP monos
  57. Too much gain
  58. The long lost linear gain stage
  59. Philco power tranny diagram/5u4 supply
  60. Kt88 Se
  61. supersize me, please. (powersupply)
  62. Seeking advice on "Circlotron" cross-coupled feedback OTL design
  63. Best 6CA7?
  64. ECC99 line preamp
  65. coupling caps???
  66. variable regulated negitive grid supply
  67. hum loop advice
  68. Against all odds...
  69. 6as7 se amp
  70. Help .. tube amplifier .. 1st !
  71. winding a toroidal pp output
  72. solid state Vs Tube Rectification
  73. Cryoed Tubes...what To Expect?
  74. I'm looking for 6H13C tubes
  75. Which ST-70 ?
  76. Some questions about Van Scoyoc X-coupled splitter
  77. Quicksilver 8417 bias runaway?
  78. Most effective use of valve pre & active xover
  79. Tube possibilities for 2.9k-ohm speaker?
  80. Help on Preamp Mute Switch
  81. Fixed bias supply problems...
  82. Help with VTL preamp...
  83. question about 811A and 572B
  84. Dual Stereo Cathode Folower Setup
  85. tube tester
  86. Audio Innovation 1000 SE
  87. 6as7 PP Schematic Help
  88. Newbie Question: Need help diagnosing a problem, tubes on, music fades out quickly
  89. 7591EH failure
  90. opt frequency response
  91. Anyone got any opinions on this?
  92. My ForePlay Processor Controlled Preamp
  93. Tube ghetto blaster ?
  94. Help trouble shooting
  95. "The Fisher" tube amp 7189 output tubes
  96. UTC output transformers specs
  97. Regulation options for 807 g2
  98. My Mullard 5/20
  99. Anyone tried Black Beauty caps??
  100. KT88 power amp
  101. High voltage regulator
  102. Filament voltage ?
  103. Unity Gain Unbalanced to Balanced Phase Splitter
  104. Anyone know the g1-g2 capacitance of 6AU6?
  105. Any good Transformer or Tube manufactureres in India ?
  106. McMartin MA-20?
  107. Help with Jolida 302A
  108. need 13fd7 curves
  109. Drd Kt88?
  110. miniature tube amp
  111. 300B pp schematic found, what about it?
  112. Tube Output Stage
  113. se otl
  114. Toroidals as OPTs?
  115. Tube advice
  116. Understanding OPT primary Z and load matching.
  117. help with Optomal placement of output transformers.
  118. 50h B26
  119. Anyone know what this is?? Strange tube/ bulb.
  120. Please ID output transformer
  121. Cheap and Easy Tube Phono Preamp
  122. Carbon film vs metal film resistors in a stepped attenuator?
  123. Alps pots vs. TKD pots? TKD worth the extra$$?
  124. Opamp as tube driver: Protection ideas?
  125. Looking for schematics CROFT OTL APPARITION
  126. ISO (new Tango) info...
  127. Noob Question on Driver Stages
  128. High Voltage Reference
  129. DIY valve amp
  130. JJ multisection caps
  131. Inverted Interstage Transformer
  132. regarding to the design of iron-cored inductors (chokes)
  133. Trying to find an amp
  134. 12v tube output stage for cs43122 based dac?
  135. Wattages & Loudness: ?I'm Lost?
  136. cmrr of common cathode
  137. The Next Step. (and budget tube amplifier kits/designs).
  138. non-diy amplifiers with choke input power supplies
  139. Does a cathode bypass capacitor reduce hum?
  140. a tube convert tries a mosfet
  141. Motorboating in leak 20
  142. New MC preamp is comming alive
  143. HV tubes
  144. power supply pspice simulation problem
  145. Can a tube rectifier handle a C dual LC?
  146. Valve schematic & PC board design
  147. Just acqired some strange tubes.........
  148. Sovtek 6L6WXT
  149. RCA tubes, need info
  150. Stromberg Carlson 245M
  151. mounting tubes upside-down
  152. 6922 acting strange........or is it ?
  153. Naive CCS quesion
  154. DIY scrap tubebuffer with ECC88
  155. choke current rating
  156. Velleman K8010
  157. film vs. electrolytic
  158. Tube mic preamp for speaker measurements
  159. 833a plate resistance ?
  160. second harmonic distortion
  161. Speakers not connected on tube amp, good or bad?
  162. different psu filter topologies ?
  163. Does anyone know this english amp ?
  164. kt88 power amplifier
  165. physical layout of 6B4G PP amp?
  166. Tube Life
  167. PSUD2 designer accuracy?
  168. Need advice on old 6bq5 amp...........
  169. rca83 rectifier precautions
  170. Multi chassis grounding scheme.
  171. 717a Datasheet
  172. 12B4 Battery Bias from (Preamp: Foreplay or 5687 or 12B4 )
  173. Need Six-pac amp schematic
  174. Any clue of how to use this part as a current sink for a CF?
  175. Tweeks on tubes - bring out the demagnetiserss
  176. Absolute. Best. Chassis. Ever.
  177. Zout adapted for 2 EL34 80W Va=560V
  178. load line - truth or fiction
  179. Best place to place bleeder resistor in a power supply?
  180. Pretty Tubes
  181. Preamp: Foreplay or 5687 or 12B4
  182. want to make otl with 6 tung-sol 6336a
  183. 6L6'S vs EL34's
  184. What can you tell me about Halldorson transformers
  185. CROFT OTL (APPARITION MODEL) Schematics
  186. Is there a 'Gainclone' Of the tube world?
  187. Line Amp Design review
  188. Looking for a very special project
  189. Designing a LC power supply
  190. psu caps
  191. Easiest CAD to learn to layout my chassis?
  192. newbie asks question :cathode biasing
  193. mr. pimm's ccs rev.3?
  194. Audio Research LS22 - Looking for schematics
  195. Beard P100
  196. shunt regulation??
  197. Vitamin Q VS Jensen
  198. Mystery Russian tube logo ?
  199. Counterpoint SA-7 Schematic
  200. Dual rectification off single sencondary transformer question
  201. Which preamp to choose for my ECC88s?
  202. looking for morgan jones phono amp schematic
  203. Amp for a beginner
  204. Question about direct coupling a anode follower into a cathode follower.
  205. On Line Tube Learning for newbies....
  206. EL34 Vs. EL84.......
  207. New DHT heater
  208. A Career in Tube Audio?
  209. Xicon Polypropylene Cap for Valve Amp
  210. ECC99 Heater / Cathode Max Volt
  211. Replacing Tubes
  212. schematics wanted please
  213. MCUTracer -- the missing code
  214. How do you double the voltage on a PSU?
  215. EL34 tubes to Proboi M50 amp
  216. ATH-W1000 headphones need amplifier
  217. g. pimm's rev3. and rev. 4 -6P1P/5687 ???
  218. New EL84 SE schemat.
  219. 32 NOS RCA 1644 (12L6-GT) Twin Pentode tubes
  220. reducing hum
  221. Lafayette LA-224
  222. Comments on RSD Tubes
  223. Tube heatsink
  224. wondering about direction
  225. An Ultra -linear question
  226. 5687 Preamp as I plan to build it.
  227. Hoekstra DC-Coupled 300B ... oooooh!
  228. 5687_6n1p_6p1p_gary pimm
  229. How lucky are we? TJ type 50 triode to be made. Make your preferences known now!
  230. Biasing DC heaters
  231. EL34 SE amp schematics
  232. Negative Voltage with Tube Rectification?
  233. Tube Amp on eBay
  234. Experiences with White CF/CCS CF output stage
  235. Holes in the anode plate?
  236. 5687 pre?
  237. tube design literature
  238. Trace Elliott schematic
  239. tube choice?
  240. Choke identity
  241. spotted this on ebay - 700w triodes anyone?
  242. HELP!!! for tube lovers
  243. How do you properly ground a Tamura OPT?
  244. Akihabara shopping
  245. Might be interested in this distortion thread
  246. PSE Active Loaded 12B4A anyone?
  247. Set 6080/6as7
  248. solid state just isn't doing it for me!!
  249. Where can I use this tubes
  250. Interesting math conundrum.

Content Relevant URLs by vBSEO 3.3.2