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. Help with 6F5/6L6 rebuild...
  2. What Speaker for Webcor Tube Amp?
  3. Possible use for Pentagrid tubes??
  4. Rogers Cadet III integrated
  5. Quad II - Can 6P3S-E/GU50 be used as KT66 direct replacement?
  6. Using Grid2 screen signal -
  7. YAAGLI - Yet Another Aikido Ground Loop Issue
  8. Tube rectifier question.
  9. Dac with tube preamp?
  10. 5712 tube data needed
  11. 180 pF capacitor and other questions
  12. Simple question: Stereo to monos. How.
  13. Plate dissipation specs for 21KQ6
  14. Yaqin pre-out for subwoofer?
  15. Grid Chokes and choke load
  16. First tube amp project: GO!
  17. Hybrid Amp
  18. Circuit weirdness?
  19. How suitable is this tranformer for a Tube Amp Project?
  20. Best way to solder gold-plated components?
  21. Phono EQ hiss/white noise!!!
  22. help needed with grounded grid CCS upgrade
  23. SCORE! Kepco Tube Power supplies!
  24. 6SN7-2A3 SE Amp - James Transformers
  25. JJ ECC81/12AT7 Longevity
  26. 6V6GTA Tubes, H/K A300 Transformers, Now What?
  27. DIY valve radio
  28. U600 rectifier valve datasheet, please !!!
  29. Capacitors
  30. please help ! 5687 cd player buffer
  31. LK-72 mis-wired or am I confused?
  32. Need help with tube ID.
  33. spud amp 6c45pi vs 5842
  34. Air gapping transformers
  35. Voltage Measurement
  36. My take on a modern ST-70
  37. pls suggest a project
  38. Help with input stage driver for EL84 output stage
  39. Trying to make sense of the Sweet Peach
  40. Cornell-Dubilier Paper In Oil Capacitors
  41. lm3886 + cathode follower PS problem
  42. Completely differential amplifier final stage
  43. Capacitors in series for coupling?
  44. Help needed with messed-up-amp repairs.
  45. 6DJ8 tube schematic as balanced line stage?
  46. 6DJ8 (balanced) tube line stage
  47. Knight amp circut voltages
  48. Yet another passive attenuator
  49. What tube is this?
  50. El Cheapo ok for a first build?
  51. Anyone in Vancouver with a tube tester?
  52. How long can I expect a tube to last
  53. Output transformers... which one...?
  54. My MA845 modded and questions
  55. Sun Audio SV-2a3 HK Clone
  56. departure and tube slop
  57. Wire construction for capped tube plates
  58. Grid resistor location
  59. Meng Yue X1 trial
  60. Yarland pro845
  61. Faulty 5881 tube ?
  62. MF Xpre - help pls!!
  63. Heaters Voltage
  64. Pleas help identify this McIntosh valve amplifier
  65. Curves for Triode Connected 6EW6
  66. microwave oven transformer..
  67. Marantz 8b tubes
  68. Request: The schematic of Audible illusions MODULUS 3
  69. How many watts are really needed?
  70. Worn Tube Rectifier
  71. Bogen CHB35a Problem
  72. 29KQ6 Datasheet
  73. Help selecting a thermistor
  74. Beard P.101, new-to-me.
  75. Audioromy 838 Amp Broke need help..
  76. How to Read faded Tube Numbers
  77. Tube Text books "Reich"
  78. PCL805 parafeed SE idea + question
  79. 12V driver tubes for Engineer's Amp?
  80. >200W with 6BG6GA
  81. Leak stereo 20 modification
  82. Baby Huey components
  83. Monstrous 1kW amp!
  84. blue glow, how?
  85. Using different transformer taps for each needed B+
  86. Heating DHT Cathodes a new way???
  87. Noise problem in 572-10 PP amplifier
  88. Power transformer question (Bud?? calling Bud)
  89. Identifying 12AX7 Tubes
  90. PAS3 to volume pot
  91. Jean Hiraga SE KT88
  92. Millivolt signal and tube sockets
  93. 6N1P Data sheet differences
  94. Confident in buying tubes on ebay ?
  95. CCS Troubles
  96. Mengyue el34b schematic needed
  97. safest way to power up a new build
  98. Phono amp Raytheon 6418 tubes
  99. YL1350 Help characteristic and output tranies
  100. EL84 PP using 5K plate to plate primate OPT
  101. VR tube flashing?
  102. Tabletop 12au7 Amp
  103. Renovated website: www.pmillett.com, www.tubebooks.org
  104. Troubleshooting Eico HF-85
  105. Custom chassis europe
  106. Mixer from pre-amp design
  107. SE Output Tranny - Dumb Question
  108. What Tube for a Differential Amplifier?
  109. Thinking of buying a Lumley Reference ST70 with attached passive pre
  110. Psu
  111. Protection of the Irreplaceable
  112. Trix T621 PA amplifier (British)
  113. First Amp Build
  114. Help ID these little PP output xfrmrs?
  115. Rectifier voltage drop question
  116. dc and ac heater supply in Aikido
  117. Can I obtain a suitable B+ voltage with spare parts?
  118. Multi tap transformers dont use the whole windings?
  119. First layout with spud
  120. EL152, GU50 and EL156
  121. Convert a 110 volt Mcintosh Mc275 to 230volt
  122. transformer maker list
  123. design a preamp, so easy....
  124. SRPP - determining load and balancing
  125. Idea for all C3g phono stage
  126. temp check
  127. Pentode Question
  128. K & K Audio Transformer phase splitter?
  129. Transformer Efficiency
  130. How to test a 6H30 tube
  131. Karaoke Tube Hi-end In The Future
  132. What makes the old McIntosh stuff so good?
  133. Paralell 10M45's for 71A DHT filament?
  134. Rod Coleman CCS/gyrator help
  135. Differential amp.Do they pass 2nd harmonics or reject them?
  136. A half 6sl7 tube
  137. failing tube
  138. Capacitor in series - Resistor across ?
  139. Tube preamp choise...
  140. Some general tube questions from a Tube newbie !!
  141. How unsafe is an Autotransformer?
  142. Can a dual triode use a common cathode resistor?
  143. Dared MC-7P
  144. SRC2496 Miniatube tube output stage
  145. Tubetech smc2b multiband compressor
  146. Tweaking/correction question - Xindak MT-1 balance
  147. Em87/ em84
  148. Pioneer SM-83 restoration
  149. Best GM70 version suited for audio??
  150. PSUDII transformer question
  151. what are these caps doing?
  152. Distortion VS OPT impedence
  153. Heater wiring approaches
  154. Rogers pops, crackle and static are driving me mad!
  155. tube power enough?
  156. Ever notice those scratches on some plates??
  157. JE 45/2A3 SE 2001 edition
  158. Mini tube output stage
  159. Mismatched Power Tubes
  160. Eimac 35TG amplifier glows !
  161. ECC88 Shield
  162. One amp channel for mid, the other for tweeter, to SE or to PP, THAT is the Question?
  163. SRRP Output stage. Calculating power output.
  164. bogen chb-35
  165. Rating for resistors in power supply?
  166. Effects of Bias /Ammeters....
  167. pentode mode distortion 6LR8? George?
  168. Info for 6b4g PP
  169. Understanding unregulated PSU
  170. C3m C3g tubes
  171. More ebay craziness
  172. Shunt Capacitor
  173. 6021 Load Line
  174. TubeRiaa - How to calculate the impendance?
  175. Fake Vacuum Tube Amps - Funny but real
  176. 12.6v+ vs 6.3v+/- heater supply
  177. Distortion Measurements
  178. modifying kt88 pp ul amp
  179. Aikido help!
  180. Are Positive Grid Voltage Traces Necessary?
  181. New to Tubes
  182. How to read "Typical Characteristics" curves
  183. 12B4 pre output cap and LF instability
  184. attractive amp kit?
  185. Stereo 7O with transformer phase splitter?
  186. Filter Cap Recommendation
  187. New Guy...With a question...
  188. Interesting wiring guide find, thanks NASA!
  189. marantz 9's OPT data
  190. Why do my amps want signal ground and safety earth connected?
  191. scott 299c
  192. Tube Schematics
  193. JLTi EL34 and KT88 Amplifiers
  194. Radford sta15 looking for a nice preamp...
  195. Really subjective question
  196. Pen-toad Question
  197. Revox Model 40- leave it alone or dig in?
  198. Driver of Sumo Tubes PP for anybody: Shematic and PCB
  199. Output transformer from rowe ammi mm4
  200. Equivalent Circuit?
  201. 300b tube life
  202. CBS tube?
  203. Looking for a 700vdc supply
  204. Are all 9-pin sockets the same?
  205. Problem with short Test
  206. Troubleshooting 12B4/RH84/Akai project
  207. hi-end vacuum tube phono preamplifier
  208. PCB help
  209. QUICK transformer Question HELP
  210. Configuring an AB class amp to work in pure A class
  211. SCott LK-48-B balance pot
  212. lost a tube
  213. Lee Laboratory - model 50 Cruiser
  214. 1/2 of 12AX7 in single envelope?
  215. 2 pairs of 8150's
  216. 8150 Tubes
  217. Capacitor/Choke value in SET buffer supply? (95 vdc B+)
  218. NJ Tube Auction
  219. pentode buffer
  220. Tube Buffer? 12ax7?
  221. What is this tube?
  222. Kits
  223. Power supply high voltage problems with Melos amp.
  224. 811A Class A2 with Power Drive
  225. Help ID this 12AX7/EL84 Console(?) Amp
  226. Eico HF-86
  227. Marantz 9 Filter CHOKE value??
  228. 10M45s: strange behaviour @ 100mA
  229. LtSpice - Russian tube models
  230. Before I buy KT88's
  231. Ultra Low Cost 6P1P Push Pull Schematic,PCB
  232. 300B SE amp: One more one
  233. Already found problem with new amp
  234. LtSpice transformer - confusion
  235. OPUS 5.0 A Modern Mullard
  236. EL34 PP New Design of newbie
  237. Somebody knows about Lorenz e84l?(real Lorenz)
  238. Aikido Heater PSU help
  239. ecc99 with which Interstage Transformer?
  240. Looking for Audio Research Caps
  241. 2A3 SE Problem
  242. One knob tone control
  243. Tube Base Application ?
  244. The no-brainer project, some questions
  245. schematic request Yarland FV34AIII
  246. SY/Pete Millett Crossover
  247. Please don't stone me. . . .
  248. Golden Tube
  249. BH Curve & OPT choices
  250. Scott Transformers

Content Relevant URLs by vBSEO 3.3.2