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 99 100 101 102 103 104 105 106

  1. Stereo Buffer with a single twin triode
  2. Marshall volume drop off help
  3. Anybody recognize this pentode?
  4. Original schemes of amplifiers for 45 tubes of 1920 and 1930 years?
  5. My new amplifier£_300BSE!
  6. low zout vs output transfo
  7. can't find valve art tube - and glowey tube pic
  8. Which Phono Pre???
  9. EICO HF-20 Guitar Amp Convert
  10. BB 1702 DAC + transformer I/V ?
  11. aikido build thread-
  12. Triode Connected 6BK5
  13. need help in building tube amplifier 10 watter
  14. Parasitic oscillations in general
  15. Help Russian tube experts.
  16. forced aircooling
  17. Dirty Cheap Vintage Pot Fix - Your Opinion Please
  18. ask jan first
  19. running 6S4S/6C4C hot .. calling widowmaker
  20. An Odd Duck -- Gibson BR-6f Guitar Amp
  21. Covi Mark II OTL Help
  22. Volume pot between triodes?
  23. Series Pass Transistor for TL-783
  24. Anyone else have the new Mullard EL34's?
  25. VR tubes in single ended circuits
  26. Transformer for Tube Amps?
  27. "Magga Amp Workshop" builds again (Simple 45 Project)
  28. How to handle Reclaimed Transformers
  29. Dual supply...
  30. How much would this cost/how complicated would this be...
  31. low cost DHT hum pots vendors?
  32. Tube Buffer – question?
  33. Bogen CHB 10A questions
  34. 12B4 Preamp
  35. adding output tubes etc to pre amp
  36. primaluna dialogue 5 and fanboys?
  37. yaqin mc-100b
  38. KT88 in place of 6550?
  39. Tube manaul data sheets
  40. Need a bias supply how??
  41. Wouldn't you just love to have these!. United Electronics 211's
  42. Using single tube of Dual
  43. 21st century tube? Non-Vacuum
  44. making two minibloks for stereo
  45. Lynn Olson Raven Question
  46. Inrush current limiting heater filaments
  47. Tube amp with "meter"?
  48. lytics and choke AFTER regulator
  49. Boosing the power of your existing amp.
  50. Component ID from a 50EH5 Amp
  51. Music Angel KT88 Bridged /Bias problem
  52. Output of preamp drops when overdriven
  53. Choke load calculation...
  54. 807 SE amp schematic
  55. DC Heater Voltage
  56. Choke loading vs. SRPP
  57. Unloaded Power Transformer Current Draw/Janus-Aikido snipet
  58. Need help with tubed output for PCM1793 DAC
  59. Single ended transformer grounding question
  60. Reforming Caps with Variac
  61. First Shot at a 41 SE amp
  62. [Question] Ground Error?
  63. TOMIKO OPT-SE, any good?
  64. 6550 Williamson - Low Bass Response...
  65. Preamp design question
  66. Reading Oscilloscope Traces -For Dummies
  67. Power Supply Question
  68. PI Question Guitar Amp Related
  69. Altec 1568A modifications for comments and help…. again
  70. H & K Tube 20 unruly gain
  71. Electro-Harmonix interview
  72. Using LED bias for 4.5 mA cathode current, is it a good idea?
  73. amp dead?
  74. 7189 vs EL84 +458v plate
  75. What does your Aikido drive?
  76. Help with Decware SE84 Kit!
  77. Hybrid Amplifier in Small cases
  78. audio mixer with tubes?
  79. Epiphone Galaxy 25 transformer problem
  80. Help with KT88 biasing
  81. Bad Schottky??
  82. Aikido Diagnostic
  83. Could this become a Baby Huey killer ?
  84. SV83 vs EL84
  85. KT88 PP-5 Monoblock Amplifier
  86. RE604 SET amp
  87. Dropping rectifier filament voltage
  88. need suggestion about MC pre-pre
  89. New gain stage .. Opinions???
  90. Using SS to augment < 100Hz?
  91. A help with an soviet transformer.
  92. I thought that I had seen everything
  93. Triatic PP-amp with 6p14p
  94. Single 6N6P stereo pre-amp
  95. Tubelab SE input tube filament
  96. high frequency oscillation and decoupling question
  97. Long tailed pair schematic questions
  98. CCS Kit options
  99. Variac Question for Thatch_Ear
  100. 13e1
  101. Rogers Tube Amp
  102. Pair of McIntosh MC-60 on Dallas Craigslist
  103. Lundahl LL1517. What is it good for?
  104. Edcor OPT Voltage Rating?
  105. Which Tube to Start with?
  106. Basic Transformer hookup wiring
  107. Beta followers, biasing.
  108. 6W 2xEL519 Half-hybrid Class-A OTL
  109. Can a Class AB PP amp be said to be operating in Class A at low signal levels?
  110. Wiring / Layout question
  111. Yaqin MC10K
  112. help me lower the gain of this preamp pls
  113. How to wiring the transformer
  114. "universal" P-P driver board
  115. series or parallel?
  116. Question about Cathode bias in this Magnavox amp. . .
  117. GK71 B+ turn on delay
  118. Paralleling Triodes in a 6SN7GT
  119. 6C33C-B. PP or SE ?
  120. 6550 Triode B+
  121. Aikido Phono Pre.....any good???
  122. Tube Preamp L&amp;R Channel different current draw
  123. amp is dead!
  124. What you think about Ayon Audio Spark SE 6C33 tube 22 W
  125. Running stereo through a single tube with dual triodes?
  126. Looking for 6AQ5 audio preamp schematic!
  127. Quad KT88 oscillation problem
  128. El86 driving high beta bipolar power tr
  129. Installed 12&quot; Speaker in Pro Jr---Now What??
  130. How do I design a pentode constant current source plate load?
  131. Socket for 6AQ5
  132. new 845? Who produces it?
  133. Looking for a 45 SE Schematic
  134. Counterpoint SA-12 outputs 2SK134/2SJ49 work??
  135. Tube Amps left outdoors 24/7
  136. The beast OTL
  137. Input transformer: floating input = distortion
  138. Altmann's Split Feedback concept
  139. preamp for a JE LABS 2A3DX amp
  140. Phase flip needed -Interstage Transformer?
  141. Can your amp do this?
  142. AES out of 1625?
  143. Any info on Haltron 6BL8 tubes?
  144. Need Schematic for 12 Volt Tube Buffer
  145. Input impedance for Simple SE?
  146. SR-101 Pioneer Spring Reverb
  147. Basic Transformer Question - how do I know build possibilities?
  148. Source for 2.5VCT 5A filament transformers
  149. Nichicon VR VZ or GU
  150. Missing 6.3V CT/'Cockeyed Bridge' problem
  151. Best plate voltage for 6dj8 at +-6ma
  152. Max supply voltage for small DHT's
  153. Operating Temperature of KT88?
  154. First Tube Amp
  155. earthing advice on a US amp
  156. distortion at low volume
  157. interstage transformer cheating?
  158. PP EL34 or 6L6 circuits?
  159. Rectifier Capacator (voltage adjust)
  160. Passive RIAA and cap variation
  161. 6T9 push pull with Cathode Coupled input
  162. mixed bias
  163. Need help: tube DAC and Phono pre-amp
  164. Feedback equation
  165. Lafayette PA 675 Schematic ?
  166. phono preamp?
  167. Input tube recommendations...
  168. blind test tube preamp free for all
  169. Estimate Miller of Triode Strapped Pentode
  170. Tube Care for Prolonged Life
  171. bias resistor to use for a PP 300B?
  172. 12AY7 preamp schematic
  173. visio shapes
  174. vt25 in pre amp
  175. Wire Wound Pontentiometers - resistors
  176. Sound City B120
  177. Single supply 6922 buffer with 2SK CCS
  178. Aikido and 30W Class AB power buffer?
  179. Simple Pentode driver for a 45 ?
  180. Sennheiser HD 650 Question
  181. ampeg svt 2 pro preamp problem
  182. Edcor specs?
  183. hook up wire
  184. 6X5, 2x 6SL7 &amp; a 6v6GT....
  185. strange tube? E-8128
  186. Value of grid-leak resistor
  187. TubeTech Valves
  188. 1st build done.
  189. Tube socket does not fit tube
  190. 300B SET Bias Help
  191. This Connector for an Amp Umbilical?
  192. Chassis Grounding and rectifiers
  193. TechTube TM Blackburn status
  194. Protection of tubes/amp...
  195. 6sf5
  196. EF86 - Interstage transformer - EL84 PP AB
  197. Schadeode
  198. High-power amplifier using transmitting tubes
  199. Basic testing/meter question
  200. Mains voltage change for Sonic Frontiers SFS80 ?
  201. transformer unused secondary noobie question
  202. Acrosound High Power Williamson - HELP!!!!
  203. 300B Cathode Feedback + Cathode Bias
  204. "Budget" GM70 SET
  205. Chokes next to output transformers?
  206. Adding more power tubes and make a tube amp switching them?
  207. 1. time biasing...
  208. SE solution wanted
  209. tube rectifier
  210. Baldwin amp, yet another amp conversion project
  211. sorry, yet another newbie - what can I make with these???
  212. Design Help (load line) on a SE Mono Block Amp build
  213. Plate Choke SRPP…. What do think?
  214. Looking for a Fisher chassis 51 mono amp
  215. Majestic Transformers
  216. Inverted Mos HV soft start
  217. Strange S5 K-16LS oscilloscope readings
  218. Why don't pentodes require aligned grids?
  219. First design for a tube noob
  220. Newbie and ASL Wave 8 problems
  221. Evil Experiments - Hammond Paper in Oil Caps
  222. Now I know what this Tranny can do
  223. Pinnacle tubes??
  224. First Project.... and Hello
  225. VTL Integrator schematic
  226. Old transformators...
  227. 12AU7/12AT7/12AX7 preamp schmatic needed
  228. Booz preamp
  229. Mystery &quot;The Fisher&quot; console mono amp
  230. Cracks and hiss in tube guitar amp
  231. Voltage Doubler
  232. Gas Reference Tube (5651/85A1/etc) Internal Impedance
  233. Sakuma-San Pilgramage?
  234. Any HP 8903 audio analyzer owners?
  235. xL508/6KW6/17KW6
  236. 6C45 phono input only?
  237. Initial Thoughts for "Mr. Piggy" SE Amp w/Screen Driven 6P45S
  238. Switch box using VR glow tubes
  239. Ideas for a simple 6080/6AS7 Push-Pull amplifier
  240. TJ 845 Tubes
  241. Looking for a web tutorial on basic calculations
  242. Berman linestage- do I reference heaters or not?!
  243. calculating gain
  244. Simple EL84 amp...
  245. Tube Direct Box - Got design?
  246. Raphaelite Audio Transformers &amp; Sino Tube Amplifier Kits - What's your experience ?
  247. S-5 Electronics K-16LS & 6V6 Substitution
  248. how to calculate current requirement
  249. Stancor Transformer Data Sheet Needed
  250. 6BL7 replecement

Content Relevant URLs by vBSEO 3.3.2