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

  1. 6sn7gtb Filament Voltage
  2. Help with Tube Buffer for passive pre
  3. Is there a 12CM7?
  4. 12ax7
  5. tube driving the same tube - whats the collective word?
  6. 6c33c PSE
  7. 75% of rated max. current too high?
  8. ST shaped tube
  9. Tube Phono Pre of RJM
  10. how to determine P1 from P2 of a Push-pull transformer?
  11. fisher x100a
  12. Please review EL84M PP design before I order parts.
  13. Auction Gem Motorola? Go Figure!
  14. Darling amp plate voltage
  15. Sound quality of 6C4C is same with 2A3?
  16. 6,3VAC to 6,3VDC
  17. EL84 push pull idea
  18. Marantz preamp clone for newbie?
  19. Can I use Philips TB2.5 /400 in a SE ampl.
  20. Microwave + Computer = Tube? [help!]
  21. Oil Capacitor DC vs. AC Voltage Rating
  22. Plate Choke Miller Capacitance
  23. Anyone interested in building an EAR 834P?
  24. tube pre-amp
  25. Choke For Supply B+ Diy
  26. Audio Note DAC4 SRPP output stage problems!
  27. Regulated Dc Question
  28. what about tubes?
  29. Please help choose amp layout.
  30. SE 813 OPT..Am I On the right Track?
  31. say it's a hum problem
  32. Affordable KT88
  33. With transformer or OTL ?
  34. 45 SE tube amp OPT
  35. 2 Bogen 7027 tube amp vintage amplifier mono block
  36. Newnewbie Ouput Tranny question
  37. Webcor Amplifier Speaker
  38. could 24A been power tube
  39. How's this for a first amp?
  40. U.K. transformer supplier
  41. stereo el34 + kt66?
  42. Very tempting Good invesment or not????????
  43. A Heretical Unity gain line stage
  44. NFB net gain or loss
  45. Different brands:Is there any difference?
  46. McIntosh 225 Schematic
  47. LM317 for power amp regulation?
  48. KT88 or 6550?
  49. How to choose 6c33b?
  50. Using rectifier tubes in parallell
  51. Small problem at power off
  52. Preamp rebuild - hum problem
  53. what should I do with this tranny???
  54. Will this 2A3 PSE work?
  55. Ec86
  56. Worth to buy - tubes?
  57. 10/10/ preamp
  58. what do you think of this preamp?
  59. Tube FM -- Armstrong's first bdcst commemorated
  60. rjm 6dj8 phono section
  61. mercury vapor rectifier tubes on e-bay
  62. Russian Tube Stuff -- WSJ
  63. Help Please!!!!!!
  64. 5902 amp schematics?
  65. Microphonics...........
  66. High voltage PSU
  67. 2A3 v 6550
  68. Coupling cap question
  69. Wollcott cross coupled circuit
  70. TAD Tubes where are they from?
  71. ebay Junk or Treasures?
  72. interconnects
  73. In few words
  74. GlassFET Design Ideas
  75. ecc88 tube pover supply-rect.
  76. A tubeNoob enters => I bought a Dynavox VR-70E
  77. plugging guitar amp to phono reciever
  78. Heater Supply using LM3X7 current source
  79. Stepdown input trafo
  80. increasing the bias will cause the amp to.....
  81. Transformer faulty?
  82. More crappy Russian EL34s - Svetlana this time
  83. My Tragic story about Emission Labs tube
  84. Please help me solve the problem
  85. amp freq response with o-scope
  86. Can you SEE (construction) how a tube SOUNDS?
  87. CCS fed shunt regulators
  88. Recommended Modifications/Tweaks for Dynaco PAS-3 Series II Pre-Amp
  89. ebay toys
  90. Source for 6c45pi's???
  91. phono preamp design for c3m postie valve
  92. McMartin MA-50 Troubleshooting
  93. looking for something different
  94. mc275
  95. Sv572-3 Se
  96. Alps step attenuator
  97. seeking real kt90 pp schematics
  98. -50V negative supply
  99. Inductance coupling between chokes
  100. Mercury Magnetics
  101. warming up thetubes
  102. distorsion
  103. using a plate choke?
  104. Should I trash these tubes
  105. Minature Vaccum Tube Question
  106. 46 tube user
  107. Smells like a mistake
  108. Help for my hybird zero feedback AMP
  109. help on ul transformer please
  110. Wiring the D3a as triode - What is best?
  111. Switching from ultralinear to triode
  112. Help for a Output Transfo problem
  113. Pentode models
  114. Good or bad to use parallel capacitors of same value in signal path...
  115. Urgent: Need Help on Schematics (Tube Pre-Amplifier)
  116. ASL wave 8 mods
  117. lectron jh 60 help----------------
  118. crown tube poweramp
  119. Alan kimmel mu stage article
  120. What would you do with this amp?
  121. tube software
  122. Simple Valve Preamplifier
  123. Current sourced heaters in a CF
  124. Tubes and music styles
  125. Cheap SE EL84
  126. Making a living out of tubes? (A little off-topic)
  127. EL84 matched pairs
  128. Tango XE20S voltage rating?
  129. power transformer heat
  130. Used Tube Amps, second life..
  131. Tubes
  132. Taylor 845
  133. AVO CT-160 Tube Tester - how to remove knobs?? - please help
  134. The DIYHifiSupply.com Joplin amplifier Kit
  135. Berning P-1 Preamp
  136. Which tube for OPT 7,5k SE low watts???
  137. help me with this puzzle...
  138. Univox 1501 Fried Resistors
  139. It makes me wonder ...
  140. Tubes operating in horizontal position
  141. Dewald radio N-803b keep or use parts?
  142. Ongaku
  143. PSU Design question
  144. Primary reactance of a parafeed OPT
  145. Info on IIT interstage trafos?
  146. vt25/10-Y or 45 tube
  147. 2a3, single plate-double plate?
  148. Preferred tube? KT88 vs. EL34
  149. You may laugh..but don't waste your time trying to dissuade me. 300B preamp.
  150. Parallelling power supply chokes???
  151. Sherwood S7000
  152. please explain plate curves
  153. Triode connected SV6550C with 500V HT
  154. KT88 SE schematic wanted.
  155. 6SN7 based tube buffer
  156. hum measurement
  157. Load of tubes to liquidate
  158. Unhappy with the Lilliput design
  159. Halving OPT's pri.imp. by connecting 8ohm load to 16ohm tap - Good/Bad?
  160. Tube Technology Prophet
  161. Cathode Feedback from Secondary for PP Amp
  162. Zenith Amplifier
  163. Dynaco SCA-35 fixer-upper
  164. Multiple primary power transformer question
  165. Sizing a Regulator
  166. will laziness burn my amp down?!
  167. resistors of a lower power rating
  168. wavy vibrato-like sound when amp cranked
  169. Rh34se?
  170. Ef86, 6n1p & 845pp
  171. HYBRID POWER AMPLIFIER - please help!
  172. 6528 Se
  173. single ended HiFi Regal stereo tube amplifier
  174. Matisse Line Amp
  175. changing longtail
  176. What do you think??????
  177. The amplifier itself whines
  178. DIY repair- replacing capacitors
  179. Benefits of 845B
  180. Counterpoint Preamp Modifications
  181. Humming Sovtek EF86
  182. Output Transformers
  183. RIAA phono stage
  184. The cathode FeedBack in Push-Pull amp
  185. What's a Field Coil Amplifier?
  186. Need help for ampeg tube amp transformers ...
  187. HF filter inductors for signal path
  188. Different tube options for DCMB driver stage?
  189. Crowhurst paper on output xformer search
  190. Tamura inputs trans used as linestage out
  191. Seperate Amp for center channel
  192. Look for UL41 PP Structure!!
  193. Photoelectric valves?
  194. Bell Carrillon tube amp 6V6
  195. Yamamoto Sound Craft A-08 Amplifier
  196. Wanted Radford MA-15
  197. Beyond SET and ParaFeed.... Complementary Current Triode
  198. Too much gain
  199. 2 To 3 Prong Conversion
  200. 6c33 Set
  201. Svetlana MVSZ ---> cheat??
  202. separation of phono power supply for marantz m7 clone
  203. 300b Circuit Mod.
  204. james transformers
  205. ecc preamp schematics please!!!
  206. 845B problem
  207. 150W Garage sale find.
  208. speakers for class A ?
  209. Power Tx core should ground?
  210. First try, Would some one look over.
  211. Global Feedback in Push Pull Amps
  212. Heater voltage circuit change......why please
  213. EICO 147A operators manual
  214. Please Help My Tube Microphones!
  215. Magnetic Circuit Gurus Needed
  216. Tube Blues
  217. end of tube
  218. What is meant by 'Extended Cut-off'?
  219. How is it possible?
  220. best long life for my tube
  221. My first tube amp design...check it out.
  222. Tube driver for a SS power amplifier
  223. HK & world: with Cayin, are tube kits still good value (apart from learning)?
  224. www.thetubecenter.com = reliable?
  225. Lp values for guitar amp OT
  226. what do I replace...?
  227. Rectifiers: Tube vs Solid state..
  228. What can I do with 3Q4 Pentode tubes?
  229. DIY Powdered Core Progress Report
  230. PP output transformer grounded or not ?
  231. Bias supply question
  232. Minimum filament voltage for 300B
  233. Is it ok to combine output transformers?
  234. JE labs 2A3 evaluation
  235. 6sn7,6h30,6c33c ?
  236. signal ground and earth ground
  237. Recommended 6SN7 and 6SL7
  238. Question about BAT VK 75
  239. Please,a) cause of high pitched hum, b)DC wires twisted or not
  240. What kind of tube is this
  241. Tube Identification Help Please
  242. Balanced Load Design
  243. "lift off " or "Houston we have a problem"
  244. Anyone wound SE transformer for 6c33c-b?
  245. EL802 driving a 845 ?
  246. Diodes in series and hybrids
  247. Vacuum tube modeling software - beta testers wanted
  248. Parallel Push Pull Drivers
  249. 6V6 in triode connect mode
  250. OPT winding orientation

Content Relevant URLs by vBSEO 3.3.2