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

  1. New Build Pics (guitar Amp)
  2. 6HF5 sweep tube single ended amp
  3. My first DIY
  4. Winding A Interstage Transformer
  5. help building 12ax7/el84 amp
  6. PSE schematic
  7. Using PSU Designer to calculate DC filament supply
  8. Dynaco stereo 70 driver board
  9. Excellent and cheap DIY INTERSTAGE!
  10. Need Advice with Timer Relay Shut Off
  11. standby switch
  12. Purpose of small cap across PSU rails?
  13. 6SL7 + EL34 SE Audio Amp
  14. guitar tube amp as home stereo
  15. 6C33 fixed/auto bias ?
  16. Long Tail and Local feedback
  17. I look for EAR 859 pictures.
  18. Designing a simple tube opamp?
  19. Difference between Hammond 200 and 300 series
  20. Ultrapath Cap
  21. where to find 600v 18awg wire??
  22. Suggested power supply B+?
  23. Variable Impedence Mic Preamp
  24. Help me stop my preamp from farting!
  25. Just bought some of those Russian paper/oil caps off of ebay
  26. The Valhalla power amplifier project
  27. help! EL84's dying
  28. Could check this pentode-mu stage thingy for me (disclaimer* it is for a gutar amp)
  29. ASC Polypropylene And Oil Capacitors
  30. pots... log or linear?
  31. Cracking sound through speakers.
  32. EL84-PP - Why just 5W?
  33. Brook12a schematics...
  34. LongTailedPair gain -> how to calculate?
  35. Wiring secondaries of two power trafo's in parallel?
  36. RIAA "Tube Simulations"
  37. Has anyone built this 'Svetlana Six Pack' ?
  38. updated pics of tube project
  39. help 12FV7 datasheet
  40. Why does my oversized preamp trafo gets much too hot?!?!?
  41. 6sn7 pre
  42. 12AY7/6SN7 preamp PSU check
  43. CT design trans application
  44. Shindo schematics?
  45. Octal Hagerman Cornet Experiences
  46. My first (guitar) amplifier
  47. Zenith AM/FM C835 tube Radio schematic
  48. Oh man, my telefunken stoops...
  49. 42 single ended
  50. EL34 Feedback circuit
  51. Spice model for EL86/6CW5
  52. Ditching some High Voltage
  53. Newbie want to build simple tube preamp&psu!need help!
  54. Phono Pre-Design Input
  55. HV Direct Drive tube amp.
  56. A question about Cathodyne/split load/concertina PI's
  57. Kofi Annan in: "Hummin' Trafo Blues"
  58. Rattling Tube
  59. Berning output buffer
  60. Tube PSU Question
  61. JoLida Envoy PreAmp or DIY?
  62. Looking for Audio Note P1SE schematics.
  63. Which SE-ECL82 amp to build?
  64. PSU Help
  65. Help for stabilisator Data
  66. How much ripple on B+ is allowed?
  67. Typical 2A3 hum?
  68. PV10 PS transformer
  69. 300B Filament Voltage Range
  70. Mullard EL34-Authenticity Verification
  71. Fading or Frying Fender Clone Issue
  72. Philips V30M amplifier
  73. PWM power supply???
  74. Regulated psu for tube preamp
  75. About to start a new project: PP 6CK4s...
  76. Komuro DC 300B crct w/ 50dht?
  77. Anyone out there try a SEPP OTL guitar amp??
  78. DIY speaker attenuator?
  79. So what are some good 7-pin, hi mu, low noise/microphonic tubes??
  80. Audio meet pics from this past weekend
  81. Audio Note M7 Line Preamp??
  82. PP 7591 amp
  83. Tube op amps
  84. Please tell me how to upgrade Music Angel KT88 amplifier?
  85. Do I want a fan?
  86. 3rd Aikido?
  87. More Questions about A.Wrights PP1C
  88. 7591s flashing on start-up?
  89. first amp build... wiring questions
  90. pentode aikido driver for 300b
  91. Question about single NOS triodes in cascode for fun
  92. oscillating PP EL84 amplifier
  93. 6H30P based cathode-follower schema kindly requested
  94. Cathode follower question
  95. Bunch of old parts, worth anything?
  96. 6922 vs. 6N1P Bass Response
  97. Behringer reaches a new high in tube "transparency"
  98. Input stage tube
  99. Using transformers as choke?
  100. Resistors
  101. melos gk1 preamps anybody?
  102. Looking for a thread...
  103. DG7-32 based oscillograph schematic needed
  104. Try!!! Ef37a + 6c33c
  105. qustion on tube grade wiring
  106. Balanced pre-amp attempt
  107. GRRR.. sanity check on PTx current please
  108. How do you measure ripple on the B+?
  109. Aikido + EL34 Integrated
  110. heater voltage: why ac, and not dc?
  111. Ideas for using one ECL82 in a preamp
  112. Question about 12AU7
  113. 6AU6, 6U8, 6CL6, plus UTC A-10 make Mic Pre?
  114. WIMA FKP1 1000V as coupling cap ??
  115. Ping amperex re: Hammond organs
  116. schematic needen variable power supply
  117. Distributed Load/Balanced Bridge Connection
  118. CCS, feedback and grid leak questions.
  119. Vdd
  120. Help with 6GW8/ECL86 tubes??
  121. Best amplifier (recomendations) for Fostex FE108ez?
  122. Quick valve construction question
  123. Poindexter's 6v6 PP amp
  124. need some help with Ohm's law-fast!
  125. hybrid rectifier question
  126. I really, really wish I hadn't done that...
  127. Quicksilver 8417 conversion
  128. Supratek
  129. remote OPT, stupid idea ?
  130. Autoformer output stage
  131. Remote Power Supply: A Stupid Idea?
  132. Rjm simple tube phono pre
  133. Voltage controlled filter with tubes ??
  134. Does this look right to you?
  135. PWM amplifier hooked onto a tube preamp
  136. Zenith Console Opt Question, Odd Secondary
  137. Marchand LN108 Tube Phono Preamp
  138. Anyone care to express an opinion on this output Transformer
  139. 6L6 Triode strapped amp suggestions
  140. 6F1 and 6P2 Equivalents
  141. in memoriam Fred N. AKA 807
  142. Perplexed by 5AR4 Tube Socket? Picture Included
  143. Push pull 300B and more than a few questions...
  144. First tube project.
  145. DHT learning
  146. how do i add adjustable bias on amp?
  147. Tube tester: Accurate Instruments Model 157
  148. "El Cheapo Valve Phono" using 6ER5=>12AT7WC?
  149. Design Questions
  150. SRPP + Gainclone
  151. dht p-p filament question
  152. Report - 2005 London HiFi Show
  153. Want to build hi - power amp
  154. Gibson Skylark Grouding Questions
  155. Can I mod this circuit to use 6922 tubes?
  156. tube preamp kit question (again?)
  157. 3f4 spice models needed
  158. Back to Back transformers to get +B of 200V ??
  159. New amp project-some ideas of my own and looking for input from others...
  160. Emphasising the transients, but making the mediocre listenable
  161. Looking For a PP 6Y6GA Design
  162. Industrial vs Commercial amps and OPT's
  163. ECC99 operating points?
  164. Preamp suggestions for a tube newbie
  165. very odd thing happening in my amp... help
  166. 47 Penthode in triode mode.
  167. Capacitor value
  168. PSE bias how?
  169. GM70 Power supply
  170. interstage convert to phase splitter
  171. EL84 SE advice'n'schematics needed
  172. world's heaviest 2A3 amp?
  173. How To Tell What Tubes To Keep
  174. PX4 Trauma
  175. An amplifier project I'm looking for...
  176. Your 100volt plus moment
  177. Dynaco rectifier replacement?
  178. SET on a budget
  179. PSU Design Learning Links
  180. Expensive Commercial Amps
  181. Tube modified CD player with TDA1543
  182. Types of polypropylene capacitor....
  183. Fluorescent lamp choke - use in tube amp?
  184. Tube Overdrive
  185. Mains Transformer for EL34PP
  186. Please review schematic
  187. Wire size for projects?
  188. super simple tube amp needed...
  189. Modifing A Fender Bassman Scheme
  190. Matlab-based triode modelling software
  191. 12AT7 Pre-amp schematic, where to find?
  192. Test settings for Hickok 539A for 183/483 tube?
  193. choke input ripple level?
  194. 120 Hz Buzz Unplugged
  195. 300B like 845
  196. Guitar amp picks up radio??
  197. DC filament ground and high voltage ground
  198. Roll CALL: How many guitar amp guys are here
  199. DIY Club remote volume help?
  200. Aesthetix Rhea and I/O diagrams?
  201. Electrolytic vs polyprop capacitors
  202. Cathode Bypass Cap questions
  203. rectification and xfmr stress
  204. Audio Research
  205. Anybody got Melos MA-111 Schematic?
  206. Problem locating power supply
  207. Timer Relay
  208. Help With Jukebox Amp
  209. Help the Idiot: Simple, Great-Sounding Integrated Amp Designs
  210. Help Please Guitar Project Mess
  211. Help - tube driver for spring reverb...
  212. 6W6 as a driver
  213. Choosing the best EL34 pp opt
  214. Your opinion, please
  215. Tube surround sound
  216. Could you guys check this cascode article for me
  217. what would happen if...
  218. A Heretical Unity Gain Line Stage part III
  219. Which ECC83 tube and caps question
  220. Paralle Push Pull Simulclass
  221. organ amp question
  222. Stereo build- Mikael Abdellah's KT88 SE amp
  223. Audio Research AC21 cross over
  224. First DIY amp pics-as promised!
  225. emission-lab info
  226. Simple EL84 PP design needed
  227. 6C33 Circlotron
  228. Valves glow fierce
  229. Kirung's GM70 SE-Amps from Korea
  230. Digital Pots
  231. Troubleshooting First Tube Project
  232. Millett Low mu Preamp help
  233. thoughts about a 'universal' preamp
  234. Morgan Jones's Bevois Valley amp...
  235. Aikido line stage results? share yours
  236. Fender power transformer help
  237. HELP with breadboard layout!!!
  238. balanced line stage schematic needed
  239. Its Alive!! First Diy Amp Works!!
  240. Duncan Munro Psud primer please?
  241. Preamp volume control??
  242. Welborne 300b DRD plate current
  243. Active compensation...
  244. Calculating expected output power.
  245. Hybrid X line amp
  246. any way to fix a end cap on a 807 power tube
  247. power tube question
  248. MJ head-amp- how does it sound?
  249. Quick Aikido question
  250. What kind of amp?

Content Relevant URLs by vBSEO 3.3.2