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

  1. PCB advice
  2. Hybrid voltage quadrupler?
  3. my fu80 amp
  4. Pre-amp for BeoMaster
  5. Question re: chokes
  6. Inundated Electrolytics
  7. power transformer recommendation
  8. PS decoupling cap placement
  9. USSR Russian Caps. KBG-MN or K75-24?
  10. #10SE Tested project
  11. schematics help
  12. HF Decoupling Caps questions
  13. 1A7 Heptode (Pentagrid Converter) Audio Preamplifier
  14. Useful power transformer design thread on Analogue
  15. Understanding Simple SE design choices
  16. Fender Pro Amp
  17. Hewlet Packard transformer
  18. 6BG6 for KT66
  19. new learning
  20. TV-7D/U Tube setting --- 6550
  21. ecc40 LTP
  22. Latest incarnation of music angel kt88
  23. Tubelab SE oscillation?
  24. 6SL7 5E3 - together at last?
  25. AN Shinri schematic wanted
  26. Found a box of old toobs
  27. Choke input filter LF noise
  28. Aikido line stage - plus phono line stage
  29. Hook up wire?
  30. Irritating problem with soft start
  31. OTL with 6AN5
  32. Mono Blocs Completed...
  33. Magic Eye for solid state Tuner?
  34. a question about drive power
  35. converting BAL to UNBAL using tubes and without transformers
  36. Aikiado question
  37. Top cap tubes+ arc welder
  38. Small beginner amplifier and hello :)
  39. Blackburn MicroTech TechTube(TM) Valves update!
  40. Resistor setup for integrated amp & headphones?
  41. Brook 2A3 PP amp ID help
  42. heater voltage
  43. kobayashi 300B push-pull
  44. Triode strapping a tetrode...
  45. Any info on 3572 Half wave Rectier
  46. Question Conrad Johnson reg. psu?
  47. Another 300B SE
  48. 7-pin Low Rp tube
  49. S-5 K-16LS Kit arrived in Germany !!
  50. Transcendar RIP?
  51. 6N6P in an Aikido?
  52. Were can i bay a Telefunken 6ak5 ?
  53. SE 245 driverstage
  54. 12ax7 srpp dac output
  55. How this circuit works (Baby Huey type)
  56. New tubeamp
  57. Snubber caps
  58. Counterpoint sa220
  59. Resistor before tube rectifier
  60. TCJ Push-Pull calculator v2
  61. Heathkit AG-9A audio generator schematic !!!
  62. Sources for James Transformers
  63. High Voltage Soldering (IPC Standards?)
  64. Speakers for Flea Powered Amps <1.5W
  65. Opinions on Allen & Bradley Carbon Composite resistors
  66. wich tube is best for the yaqin cd buffer ?
  67. Mikael Abdellah's SE KT88 bass response + tightness
  68. How best to use the PSU xformer I have
  69. 6L6GC AB2 Amp
  70. Kofi Annan in: "I'd Like Me a Mic Pre!"
  71. Too much gain - help with changing driver tube.
  72. EL95 SE schematic wanted
  73. test settings hickok i177B for 5ar4/gz34
  74. Gibson Ga-20 rvt reverb problems
  75. good value (i.e. cheap) OPT in uk?
  76. Input xfmr, diff stage, CCS questions
  77. Theoretical OPT question
  78. input/driver stage for kt88/6550
  79. thyratron switching
  80. Making component choices (6V6/EL84 PP)
  81. Which socket for a 5Y3??
  82. using #47 in p-p
  83. 6463-12b4a srpp?
  84. Need some help identifying which tubes are suitable
  85. Tube Priceing
  86. edcor output transformer advice
  87. Non top-cap tubes for plasma tweeters
  88. Intermittent Static on ARC REF 3 Preamp
  89. Have you guys seen this yet?
  90. ECC88 heater overvoltage damage?
  91. Recommended designs
  92. Aikido Phono PCB Modifications
  93. Need Power supply advice for Andreas 845
  94. Phonodude question
  95. Power Supply for Aikido Phono Pre
  96. Completed New Combo Amplifier
  97. Want to Build my first Tube Amp
  98. single tube amp ~pspice problem
  99. Modding a tonebone to switch to pentode triode operation?Can this be done??
  100. Relyon KT88/EL34 SE issue, schem attached
  101. Search 35T Schematic
  102. Hickok 600A, shattered mercury rectifier...
  103. Pete Millett Low-Mu Triode Preamp
  104. First scope/buying oscilloscope probes
  105. thyratron rectifier
  106. Need help making some choices on what to build
  107. A2 curves and curvecaptor.
  108. damper diodes ....
  109. Different Rectifier Warmup Times
  110. stupid question of the day
  111. Fisher 400 Output Transformers
  112. Tube amp repair
  113. Hi-end 845 with only two stage
  114. PL519 Heaters in series blow fuse
  115. Looking for parts to tinker with
  116. KT88 Recommendations?
  117. Anyone Interested in Pete Millett Hybrid Amp PCB's?
  118. Mirror of Steve Bench's site
  119. Quick Question About RCA Input
  120. Built an amp kit!
  121. Holy Smoking Toroid Winder
  122. Group Buy for Experimenter's 9 and 7 pin Tube Socket PCBs
  123. why do tubes have a treble lost ???
  124. Low Frequency Mains Noise
  125. Help modifying circuit
  126. Ever heard sth like this?
  127. dual volume control
  128. Need DIY help in Los Angeles area with tube preamp
  129. 6c19p se otl
  130. pt
  131. "Killer" Screen Driven Push-Pull Amp Initial Queries
  132. fixed vs. cathode bias
  133. RH84 Push pull?
  134. Cheapfield project
  135. heater connection problem
  136. What to do with this PP OPT?
  137. Question about Bridging
  138. White Fuzzy furry growth..........TV-2C/U
  139. Tweaks for 845 Power amp
  140. the aardvark grows a spud!
  141. WEST output transformers?
  142. Tube Buffer Success!
  143. Lafayette LA-234 Amplifier
  144. filter choke voltage rating
  145. Dealing with Mr. Miller (phono)
  146. Western Electric plant
  147. Pentod PP - too much NFB needed to sound nice?
  148. Lf351 replacement for Curcio Daniel I
  149. How bad is grounding one side of AC filament ?
  150. New matched tubes - where to use them
  151. Glow Tube (0B2) Help
  152. Bose 901 + Tube amps
  153. Tube tape NR
  154. Ming Da MC-34B fuse value?
  155. Potentiometer with bass boost pin for Simple SE?
  156. Volume pot for TubelabSE 300B recommendation ?
  157. (help) Make a 13.8V 50 Amp continueous current
  158. Toy amp.
  159. Looking to build a 25-30 WPC Push Pull amp - Need Help
  160. Quicksilver 8417 question
  161. GSM interference
  162. &lt;WTA&gt;Tube biased by LED
  163. source for knobs
  164. Lundahl 4-30 Build
  165. Anyone Have Info On Triode Board For MK IV?
  166. I would like to DIY Marantz model9
  167. 813se DIY OPT problems
  168. Got a big output trafo I want to use.
  169. building S5 k-amp
  170. EL84 max power for HiFi Amp
  171. Question about cathode bypass capacitor:
  172. Curcio Daniel II builders?
  173. 13E1 SE design
  174. Booster Amp for low powered SET
  175. Soft starting the rectifier
  176. Tube preamp components help
  177. My own version of the EAR 834P Clone
  178. Eico HF86 modifications
  179. Heaters and centre tap
  180. DHT's, fixed bias, sharred filament supply
  181. Do New JJ GZ34's have less B+ Drop?
  182. Grounded, Floating, or Thermistor-To-Case for Center Tap
  183. Hi, looking for some info on tube amplifier design basics
  184. Nifty little (cheap ) transformer for bias supply
  185. Problems with my ARC VT 130SE
  186. Telefunken V69B - Tube Amp
  187. HV Regulator
  188. EL95 mini SE
  189. NOS vs. Chinese Plate Caps
  190. TL783 regulated B+ 250V PSU schematic
  191. Tube buffer for electronic keyboards used in a band?
  192. 6922 tube buffer
  193. 300B grid resistance
  194. 6AU6 Aikido in Triode mode?
  195. brown crud?
  196. Steve Bench's tube crossover
  197. Bogen M120 bass guitar amp coversion
  198. Wierd striation on 6L6GC plate
  199. LT1085-based regulated 6.3v heater supply
  200. Are these tubes cooked?
  201. New Build Power Up Advice
  202. Mic pre idea
  203. Choosing the right mullard design to match the Foreplay III and Ariels
  204. Dumb question on Coupling cap ratings...
  205. European Triode Festival 2008 - couple of seats left
  206. Building PRETOR toroid preamp
  207. ACT2 - ConradJohnson by 818design
  208. PS questions?
  209. Frank's Tube Database Down?
  210. Anybody try Euro DHTs like RE134, RE304 etc??
  211. Need help...again :)
  212. idea for a simple bias servo for AB PP
  213. GU-32/GI-30 tube PP amp
  214. Switch-mode PSU for tube heaters?
  215. Hammond Primary Lead color is wrong?
  216. A newbie need helps on the very 1st tube PreAmp
  217. why does 12u7 need certain amount of gain to stop hum 120???
  218. EL34 Pushpull imbalance
  219. Tube Preamp Popping on Source Input Change (?) / 6DJ8 Preamp On Chip Amps
  220. Rozenblit Grounded Grid Cascode Pho Preamp Project
  221. Driving the kt88/6550 in set mode
  222. 6550a question for engineer?
  223. Yl1260
  224. Parts layout diagram for SE amp
  225. Da 42 Triode
  226. Bogen CHB100 Power Supply Question
  227. Testing of russian tubes on B&K 747B
  228. VR150 use
  229. First Valve DIY Project
  230. I'm having grid1 current in EL34
  231. anyone ever built a tube mixer similar to the RCA Living Stereo type??
  232. SEPTOR AT-amp (Anti-Triode) being built
  233. Sophia Electric el34 mods/upgrades
  234. Looking to build....
  235. Bias resistor for source follower driver
  236. PL 519 electrical characteristics
  237. Settings for testing 2C51/5670/396A on B&K Model 600 Dyna Quik
  238. My 6AS7G Fuse Link Checker
  239. Anyone ever had issues with One Electron?
  240. 35% off sale at RadioDaze
  241. phase splitter with Tr ?
  242. Chasing my Simple SE problem...
  243. Zenith stereo, EL84 SE. What to do...
  244. Free TVA-1 rev.3 schematic
  245. Bat Vk-60
  246. Trouble with amp 6V6
  247. 5-125 UL curves anyone?
  248. Mod it or scrap it?
  249. Bogen M330
  250. 1st Tube Amp - What to build?

Content Relevant URLs by vBSEO 3.3.2