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

  1. Good tube amp designs for Biamping?!?
  2. 6sn7 NOS tubes with strange white sth on pins
  3. Comments on this design?
  4. Real electronics/audio shops
  5. Beefing up EL34 PP
  6. Oscilloscope Recomendations
  7. Paia tubehead mod's?
  8. How much power for a SE 807 amplifier?
  9. 6c33 Se
  10. PSU capacitor max.voltage question
  11. Diode Question
  12. Tuberolling - Is it for real?
  13. Anybody seen this one?
  14. kt88 subsitute?
  15. Help needed on Mullard EL34PP
  16. help me out if you can
  17. Very Low Voltage Preamp
  18. Would this work?
  19. Help with SRPP pre-
  20. Do different tube rectifiers effect the bass response?
  21. a little intermittent thump...
  22. Heathkit EA-2
  23. My first tube amplifier
  24. CAT LS-1 Pre amp
  25. Wave av-8 hot hot ??
  26. My new multichanel passive balanced pre-amp/solar powerd(tube mode)/remotecontrol.
  27. Books for Tube nOObies...
  28. Cook BN/MN preamp
  29. Autoformers (again??!)
  30. is it busted?
  31. Megahertz Audio transformers
  32. Etf.03
  33. Is a Differential Pair (CCS tail) phase inverter suitable for a Class AB outputstage?
  34. Frank´s pre and Rozenblitz power. Building them.
  35. Hi,grataku,look this!
  36. passive preamp for quadII poweramp
  37. Constant Current Sources in Tube Amps
  38. Any good #26 line amp designs?
  39. Raytheon 5842 datasheet anyone, please
  40. circuit diagram for LMI-32216A RCA ORTHOPHONIC POWER AMPLIFIER
  41. Fun little P-P input stage
  42. Seeking 6AQ5's Curve Chart
  43. Something strange that happened today...
  44. EL84 Push Pull Low Freq Humming.
  45. Whispering and Rustling Leaves
  46. 6L6GC PP Problem
  47. Direct coupling question...
  48. is this transformer ok??
  49. Pre to Power - amp matching
  50. nedd az1 tube base in the UK
  51. Pwer Supply Question
  52. test
  53. Help with hum in AC heaters
  54. "non direct" volume control
  55. Volume control
  56. FINDING 6sn7 DESIGN
  57. Transcendent Sound T16 ?
  58. 300b at 3.35V after bridge replacement
  59. Crucial to match tubes when running PSE?
  60. The Emperor's New Amplifier
  61. SE sound from a P-P amplifier
  62. How does a VAC Renaissance 70/70 get 65W from 4 300Bs?
  63. Opinions about T.A.C. amplifiers?
  64. TRIAD specs. needed!
  65. Can you make 0-5V DC out of 2.5-0-2.5V AC
  66. absoluteli newbie from solid.any seriuos help?
  67. Quality and sound of Lundahl transformers?
  68. Anyone ever tried these output transformers?
  69. B+ delay circuit
  70. Regulated Supplies in Tube Amps
  71. Just fired up my CCS'd ECC99 -> SE 2A3
  72. Tube amp for the car
  73. My plans for this kit, any comment to improve!!!!
  74. Query....CCDA for Mark III
  75. Using a transformer as a filter
  76. Quality of Hammond 300 series power transformers compared to 200 series?
  77. Marantz preamp
  78. Octal Cornet
  79. Raven using Lundahl instead Sowter
  80. Vote NOW for a globe TJ meshplate 45.
  81. Jadis Defy 7 Help!
  82. How do I calculate (or measure) my amp's output impedance?
  83. 6CD6GA for amplifier
  84. Troubleshooting a PP EL34
  85. Hum problem, but on the tweeter (!?)
  86. isolating mounts for transformers
  87. guitar amp
  88. Help with 5692 line amp
  89. needs schematic SLF-1
  90. Which one with lower noise?
  91. 12A tube??
  92. E180F triode-strapped.
  93. Any comment for my new face for all diyer
  94. EL509 Alternatives for this amp
  95. questions about 01A / 483 pre-amp.
  96. Need help evaluating 2A3 transformer coupled designs
  97. Question for Joel (5755/6BQ5)
  98. Sweep tube amp...comments?
  99. How's about a Depletion Mode / Enhancement Mode CCCS
  100. Otl ?
  101. quicksilver 8417 hum
  102. Any Europeans here going to VSAC?
  103. When using a DC filament supply on a DHT...
  104. need single state preamp schmatic.
  105. Help with lowering filament winding voltage.
  106. some schematic questions by newbie help!
  107. Could a filament transformer be used as a grid choke?
  108. Joule electra LA150
  109. my first tube amp is running (sort of)- help kill the hum
  110. tube cd output advice
  111. DC to DC converters for tube preamplifier
  112. Cathode follower for a newbie ?
  113. Any info on a Trio AF-220 tuner?
  114. Inpol
  115. Quicksilver 8417
  116. Battery bias below EL84/6BQ5
  117. CCS loaded ECC99 calculations/questions
  118. J.E. Labs 2A3
  119. valve/miniature can hiss
  120. Photo Gallery
  121. Photo Discussion
  122. Looking for a cheap amp?
  123. Scrap or save?
  124. No Lima show
  125. 6DJ8 Tubes
  126. Amp Photos?
  127. Tekni-fi Tiny Tube RIIA stage
  128. srpp or m-follower?
  129. Elliptron Schematic
  130. 6d22s
  131. Vg=0 distortion
  132. class A S.E. OTL
  133. Power Tube 40?
  134. Designing for guys who like designing
  135. push pull 845
  136. tube rectifier and tda 1543
  137. amp project query
  138. tube matching fixture
  139. rec. for creative ideas for alternative tube amp chassis
  140. Who knows where to get 1200v Silicon Carbide Schottkys ?
  141. Bottlehead questions for a tube neophyte
  142. 6CM7 another tube in disguise?
  143. Mixing SE and push-pull
  144. Interstage resistor question
  145. 6L6GC/EL34 SE Stereo Design
  146. Heater power supply help
  147. 2a3 Se Amp With 5k Opt?
  148. 12B4A Linestage & PSU
  149. Info on VAA-70MKII? Please...
  150. AC Cap for DC use
  151. AC or DC???
  152. 12B4A as tube buffer?
  153. A question of bias...
  154. 6336A valves
  155. a better pentode for less!
  156. Troubleshooting a single ended EL84
  157. Transcendent Sound's T16 OTL
  158. Ear 834
  159. Guitar Tube Amp that uses KT88, 300B, 2A3, else
  160. Anyone ever owned/seen one of these?
  161. topology and PSRR
  162. A few questions
  163. Help Need the VSE SuperReg schematic!
  164. It plays music!!!!
  165. Anybody Has 6b4g Se Power?
  166. Bottlehead gear, buschhorns pics
  167. A new source for SE output transformers?
  168. help troubleshooting this diy pre-amp
  169. High Frequency Clipping in EL84 SE
  170. Basic Q on tube amp design
  171. Pentode cathode follower with regulated screen voltage?
  172. Starting my Bottlehead Paramour 2A3 build
  173. Seeking advice on my first shot in designing a 5842 DC'ed to 45
  174. Improving the Futterman
  175. Help with plate chokes
  176. OTL ver.6 Ciuffoly
  177. EL84 DPP and Full Range problem
  178. Where can I bought some Tubes in England?
  179. 12E1 tubes (help)
  180. Correct values for this schematic?
  181. Radford STA25
  182. A dumb question about coupling caps.
  183. "Mainframe" breadboard
  184. Velleman K4040 tube amp user feedback sought
  185. possible project for me, tube preamp.
  186. PSUD modelling of a filament supply
  187. Tube sound PC Mainboard
  188. 6C45PI contant current source
  189. Estimating choke size ?
  190. 6550 Users Beware...
  191. i finally got around to fixen it
  192. Going Balanced All The Way...
  193. Integrated Kit Thoughts?
  194. Any shows in the midwest or east coming up?
  195. Bottlehead meet in Houston pictures
  196. Very Cheap Valve preamplifier
  197. Figuring plate resistor values or tubes 101
  198. Preamp PSU questions
  199. Tube condition question
  200. Fender guitare tube
  201. Vacuum Tube Current Sink Drive???
  202. VSAC show
  203. 5687 line amp with 0D3 regulator
  204. Phono Stage Only?
  205. 15 W out of single SE KT88 ?
  206. Tube guitar amplifier circuit
  207. LS terminals to earth?
  208. Can anyone comment on the tektron 300b/2a3?
  209. Indy audio show
  210. Lifespan of old oil caps
  211. EQ Bypass Question
  212. Do these scope traces mean something is oscillating?
  213. Help With Flavors of Tubes
  214. beggar's tube amp
  215. Anybody know the whereabouts of Alan Kimmel?
  216. Audionote Conquest PCB Layout
  217. Looking for a Preamp
  218. Recommendations on a simple design?
  219. Line stage
  220. Need recomdations on a lineamp
  221. The world turned upside down
  222. Wavac MD300B
  223. PSpice model for Outputtranformers
  224. transformers
  225. schematics for the se 1000 audio innovations
  226. Conrad johnson topology
  227. HALOJOY - tube amp new bie - NEEDS HELP
  228. help with plate supply
  229. Grid current and direct coupling
  230. Tension on chassis
  231. silver corrosion
  232. Switching circuit help needed
  233. passive bi-amping parts
  234. DRD Amps
  235. AuriCap
  236. help with heater supply
  237. i've got these tubes here, and i don't know what to do with them
  238. Can anyone comment on the Telefuken v311
  239. Are these tubes worth annything?
  240. Asc/Angela vs Black Gate caps
  241. Low output impedance pre
  242. AudioCap PPT Theta for tube amps?
  243. Pcc88
  244. BG N/NX as tube output caps? possible?
  245. Is anyone here familiar with Butler Audio amplifiers?
  246. Telefunken smooth vs.ribbed plate 12AX7
  247. SIE chokes -- how much current
  248. 6GM8+MOSFET=car amp?
  249. Switched power supply?
  250. Plytron/Amplimo 4070-CFB OTF's

Content Relevant URLs by vBSEO 3.3.2