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

  1. Cascode RIAA
  2. Volume swinging problem
  3. How to use the almost Group buy Diyaudio CCS circuit
  4. Big voltage swing tube recommendation please
  5. Morgan Jones KT88 PP
  6. Mystery Tube Amplifier -- Help?????
  7. Finding bias point in PP fixed bias
  8. 6V6 Push Pull
  9. Rozenblit 6as7 otl questions
  10. Genesis pre-amplifier schematic wanted
  11. 6H30PI/6922 Preamp Circuit
  12. PFB line amp
  13. 2A3C Mono plate: Shuguang Or Sovtek?
  14. Any kit reccomendation would be helpful
  15. Cleaning tubes...
  16. Anyone recognise these tubes...
  17. big ol' 26lb. output transformer...
  18. ECC88 Help
  19. European Triode Festival ETF08: still some places vacant!
  20. Dynaco MK IV Mystery
  21. 6as7/6080 Se Otl
  22. 6GW8 substitute tube 6BM8?
  23. Choke question
  24. Screen driven output stage
  25. 2a3 parallel driven 6sn7 schem
  26. WMD or Big Freakin Power Supply
  27. Help! May have dropped 12sn7 in place of 6sn7
  28. Got a bucketload of tubes, need identification
  29. Help from Allen Wright SuperReg owner
  30. Moscode 600
  31. Signal caps to keep on hand
  32. pin-compatible EF86 alternative?
  33. Capless Parafeed (with apologies to SY)
  34. T Eaton Viking schematics?
  35. S5 K-16LS mods, tweaks?
  36. 5687 fully balanced line stage
  37. What Do I Have Here?
  38. Bad vacuum?
  39. Th. Lösch Phono Amp: Question about IC used & ECC808 to ECC83
  40. Balanced 24V Aikido question
  41. OT question - will it work?
  42. ID Unknown Tube
  43. Time delay start board for tube amps
  44. Hum reduction ideas (again)
  45. Utc Ls-33
  46. K-16ls
  47. Potential valve damping tweak
  48. Conversion Tube PA and Bass Tone
  49. Wanted. Simple EL34 Push Pull Design
  50. PCB advice
  51. Hybrid voltage quadrupler?
  52. my fu80 amp
  53. Pre-amp for BeoMaster
  54. Question re: chokes
  55. power transformer recommendation
  56. PS decoupling cap placement
  57. #10SE Tested project
  58. schematics help
  59. HF Decoupling Caps questions
  60. 1A7 Heptode (Pentagrid Converter) Audio Preamplifier
  61. Useful power transformer design thread on Analogue
  62. Hewlet Packard transformer
  63. 6BG6 for KT66
  64. new learning
  65. TV-7D/U Tube setting --- 6550
  66. ecc40 LTP
  67. Latest incarnation of music angel kt88
  68. AN Shinri schematic wanted
  69. Found a box of old toobs
  70. Aikido line stage - plus phono line stage
  71. Irritating problem with soft start
  72. OTL with 6AN5
  73. Mono Blocs Completed...
  74. Magic Eye for solid state Tuner?
  75. a question about drive power
  76. converting BAL to UNBAL using tubes and without transformers
  77. Aikiado question
  78. Top cap tubes+ arc welder
  79. Small beginner amplifier and hello :)
  80. Blackburn MicroTech TechTube(TM) Valves update!
  81. Resistor setup for integrated amp & headphones?
  82. Brook 2A3 PP amp ID help
  83. heater voltage
  84. kobayashi 300B push-pull
  85. Triode strapping a tetrode...
  86. Any info on 3572 Half wave Rectier
  87. Question Conrad Johnson reg. psu?
  88. Another 300B SE
  89. 7-pin Low Rp tube
  90. S-5 K-16LS Kit arrived in Germany !!
  91. Transcendar RIP?
  92. 6N6P in an Aikido?
  93. Were can i bay a Telefunken 6ak5 ?
  94. SE 245 driverstage
  95. 12ax7 srpp dac output
  96. How this circuit works (Baby Huey type)
  97. New tubeamp
  98. Snubber caps
  99. Counterpoint sa220
  100. Resistor before tube rectifier
  101. TCJ Push-Pull calculator v2
  102. Sources for James Transformers
  103. High Voltage Soldering (IPC Standards?)
  104. Speakers for Flea Powered Amps <1.5W
  105. wich tube is best for the yaqin cd buffer ?
  106. Mikael Abdellah's SE KT88 bass response + tightness
  107. How best to use the PSU xformer I have
  108. 6L6GC AB2 Amp
  109. Too much gain - help with changing driver tube.
  110. EL95 SE schematic wanted
  111. good value (i.e. cheap) OPT in uk?
  112. Input xfmr, diff stage, CCS questions
  113. Theoretical OPT question
  114. input/driver stage for kt88/6550
  115. thyratron switching
  116. Making component choices (6V6/EL84 PP)
  117. Which socket for a 5Y3??
  118. using #47 in p-p
  119. 6463-12b4a srpp?
  120. Need some help identifying which tubes are suitable
  121. Tube Priceing
  122. edcor output transformer advice
  123. Non top-cap tubes for plasma tweeters
  124. Intermittent Static on ARC REF 3 Preamp
  125. Have you guys seen this yet?
  126. ECC88 heater overvoltage damage?
  127. Recommended designs
  128. Aikido Phono PCB Modifications
  129. Need Power supply advice for Andreas 845
  130. Phonodude question
  131. Power Supply for Aikido Phono Pre
  132. Completed New Combo Amplifier
  133. Want to Build my first Tube Amp
  134. single tube amp ~pspice problem
  135. Modding a tonebone to switch to pentode triode operation?Can this be done??
  136. Relyon KT88/EL34 SE issue, schem attached
  137. Search 35T Schematic
  138. Pete Millett Low-Mu Triode Preamp
  139. thyratron rectifier
  140. Need help making some choices on what to build
  141. A2 curves and curvecaptor.
  142. damper diodes ....
  143. Different Rectifier Warmup Times
  144. stupid question of the day
  145. Fisher 400 Output Transformers
  146. Tube amp repair
  147. Hi-end 845 with only two stage
  148. PL519 Heaters in series blow fuse
  149. Looking for parts to tinker with
  150. KT88 Recommendations?
  151. Anyone Interested in Pete Millett Hybrid Amp PCB's?
  152. Mirror of Steve Bench's site
  153. Quick Question About RCA Input
  154. Built an amp kit!
  155. Holy Smoking Toroid Winder
  156. Group Buy for Experimenter's 9 and 7 pin Tube Socket PCBs
  157. why do tubes have a treble lost ???
  158. Low Frequency Mains Noise
  159. Help modifying circuit
  160. Ever heard sth like this?
  161. dual volume control
  162. Need DIY help in Los Angeles area with tube preamp
  163. 6c19p se otl
  164. pt
  165. "Killer" Screen Driven Push-Pull Amp Initial Queries
  166. fixed vs. cathode bias
  167. RH84 Push pull?
  168. Cheapfield project
  169. heater connection problem
  170. What to do with this PP OPT?
  171. Question about Bridging
  172. White Fuzzy furry growth..........TV-2C/U
  173. Tweaks for 845 Power amp
  174. the aardvark grows a spud!
  175. WEST output transformers?
  176. Tube Buffer Success!
  177. Lafayette LA-234 Amplifier
  178. Dealing with Mr. Miller (phono)
  179. Western Electric plant
  180. Pentod PP - too much NFB needed to sound nice?
  181. Lf351 replacement for Curcio Daniel I
  182. How bad is grounding one side of AC filament ?
  183. New matched tubes - where to use them
  184. Glow Tube (0B2) Help
  185. Bose 901 + Tube amps
  186. Tube tape NR
  187. Ming Da MC-34B fuse value?
  188. Volume pot for TubelabSE 300B recommendation ?
  189. Toy amp.
  190. Looking to build a 25-30 WPC Push Pull amp - Need Help
  191. Quicksilver 8417 question
  192. GSM interference
  193. &lt;WTA&gt;Tube biased by LED
  194. Lundahl 4-30 Build
  195. Anyone Have Info On Triode Board For MK IV?
  196. I would like to DIY Marantz model9
  197. 813se DIY OPT problems
  198. Got a big output trafo I want to use.
  199. building S5 k-amp
  200. EL84 max power for HiFi Amp
  201. Question about cathode bypass capacitor:
  202. Curcio Daniel II builders?
  203. 13E1 SE design
  204. Booster Amp for low powered SET
  205. Soft starting the rectifier
  206. Tube preamp components help
  207. My own version of the EAR 834P Clone
  208. Eico HF86 modifications
  209. Heaters and centre tap
  210. DHT's, fixed bias, sharred filament supply
  211. Do New JJ GZ34's have less B+ Drop?
  212. Grounded, Floating, or Thermistor-To-Case for Center Tap
  213. Hi, looking for some info on tube amplifier design basics
  214. Nifty little (cheap ) transformer for bias supply
  215. Problems with my ARC VT 130SE
  216. Telefunken V69B - Tube Amp
  217. HV Regulator
  218. EL95 mini SE
  219. NOS vs. Chinese Plate Caps
  220. TL783 regulated B+ 250V PSU schematic
  221. 6922 tube buffer
  222. 300B grid resistance
  223. 6AU6 Aikido in Triode mode?
  224. brown crud?
  225. Steve Bench's tube crossover
  226. Wierd striation on 6L6GC plate
  227. LT1085-based regulated 6.3v heater supply
  228. Are these tubes cooked?
  229. New Build Power Up Advice
  230. Choosing the right mullard design to match the Foreplay III and Ariels
  231. Dumb question on Coupling cap ratings...
  232. European Triode Festival 2008 - couple of seats left
  233. Building PRETOR toroid preamp
  234. ACT2 - ConradJohnson by 818design
  235. PS questions?
  236. Frank's Tube Database Down?
  237. Anybody try Euro DHTs like RE134, RE304 etc??
  238. Need help...again :)
  239. idea for a simple bias servo for AB PP
  240. GU-32/GI-30 tube PP amp
  241. Switch-mode PSU for tube heaters?
  242. Hammond Primary Lead color is wrong?
  243. A newbie need helps on the very 1st tube PreAmp
  244. why does 12u7 need certain amount of gain to stop hum 120???
  245. EL34 Pushpull imbalance
  246. Tube Preamp Popping on Source Input Change (?) / 6DJ8 Preamp On Chip Amps
  247. Rozenblit Grounded Grid Cascode Pho Preamp Project
  248. Driving the kt88/6550 in set mode
  249. 6550a question for engineer?
  250. Yl1260

Content Relevant URLs by vBSEO 3.3.2