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. SRPP linestage help
  2. Transformer question
  3. Tube Spice Model Problem
  4. Just found a zenith 7g01z in the basement
  5. your next level story - Philosophy of EE 101
  6. JLTI Tube Preamp
  7. squeal in amplifier
  8. ALTEC Line & Bridging Transformer Data??
  9. Tube noob needs some help on PSU
  10. Preamp PSU Design Help
  11. GZ37 Substitution?
  12. help disigning 12AY7 based mic pre
  13. I m confuse ! expert help
  14. Removing a pot.
  15. diyparadiso kits?
  16. Help with linestage power supply
  17. TX103 - RJM 6DJ8 - TX102 preamp
  18. Replace the field coil spk with Electromagnetic dynamic spk
  19. Gu50 output problems
  20. SRPP: adifferent perspective
  21. Fixed or self bias?
  22. 211 amp PSU question
  23. Help! transformer overheating!
  24. more ebay stuff
  25. 6KG6, output stage & PSpice
  26. 6C33C-B Failure Mode?
  27. manley 300b preamp schematic required
  28. 115 V transformer on 230 V ???
  29. Hoffman Amps Turret Lugs?
  30. 300B Reliablity
  31. Metal work in Toronto
  32. What happens when you starve a heater?
  33. se 6c33c or se el34 schematic
  34. AVO MkIV User Guide
  35. Altec A150C and 531B psu
  36. What's been broken?
  37. tubes here...
  38. Voltage drop AZ1 = AZ11 = RGN1064 rectifier tube
  39. The Beast...
  40. Looking for Mikael's KT88 Schematic
  41. 1.2k vs 2.5k TC on a 6550 amp?
  42. Ultimate Tube head phone amp.
  43. Selecting Output Transformers for My WOT Line Preamp
  44. Tube microphone
  45. OP tube convertible PP amps?
  46. The "Valvolozzo" - SE amp with torroids
  47. Phase Splitters
  48. A new setup, advice wanted
  49. 6e2 Magic eye datasheet
  50. Another linestage......
  51. VT52: are the triode and pentode alike?
  52. Long term planning
  53. vintage restoration
  54. Some doubt about my first Tube amp (Heater).
  55. Power supply for Single Ended Amplifier
  56. Another CD player DAC tube modification
  57. philips el6400 tubeamp
  58. How much power do I really need?
  59. 6H30 phono with passive RIAA
  60. I need help troubleshooting a EL84 push pull amp.
  61. Tube Data needed please
  62. Filament Transformer
  63. strange tube
  64. 12AX7 and 12AT7 numerical data
  65. DC/DC converter to power tube amp?
  66. Basic Cathode Follower buffer
  67. Help me!!! I need schematic of Pow-Amp using 6V6
  68. gi30, se pentode?
  69. Any experience with Chinese 6N8P
  70. Source for common mode chokes
  71. Low Power FM stereo transmitter?
  72. Rh807
  73. Replacing a power tube (used as driver for mosfet car amp)...how to bias?
  74. Question about sub out on amp
  75. opt question
  76. Tube socket wanted. (help where)
  77. voltage regulator using ECL84 + OB2
  78. Help! 6sn7GT
  79. tubes n needles
  80. PSpice/LTSpice model for 6AU6/EF94?
  81. 5AR4/GZ34 GT Britain
  82. CCS vs mu-follower. What's the difference?
  83. Need advice on two preamp kits.
  84. My First Tube Amplifier
  85. Output (beam) pentodes / tetrodes suitable for screen grid drive
  86. Patent applications of interest
  87. Rca
  88. Melos GK-1 Tube Pre-amp Schematic needed ...
  89. 6L6s and 6AR6s - what can I do with them?
  90. Line stage preamp, based on SY's "Heretical Unity gain line stage"
  91. 1600v HT supply for scope.
  92. Mc 275 CE schema
  93. Help! is this work?
  94. Some questons on a DIY system.
  95. pinout on 6GT5A tube
  96. 50Hz hum after increasing grid stopper
  97. A Heretical Unity Gain Line Stage part II
  98. 832A Push Pull 5W
  99. PSpice/LTSpice model for 12AY7/6072 wanted
  100. Is this circuit I drew ok?
  101. Suggest a preamp for cd/tuner
  102. EL84 to 6l6
  103. Tube-cad, is it worth the $40?
  104. Grounded Grid Preamp Project And Possible Group PCB Buy
  105. Can anyone sujest a good operating point for the PL84
  106. Preamp hiss noise
  107. Audio Note Trans 205 specs?
  108. Help translating russian tube datasheet
  109. Very high output level!
  110. Help wanted with valve data
  111. Boiling sound...
  112. Negative Feedback Ground
  113. low power SE with 813
  114. KT instead EL
  115. a single double triode and two chanel?
  116. 76 driving 211?
  117. My Experience with "Music Angel" EL34 PP
  118. 12JT6 in triode mode curves needed
  119. Where did these EL84 numbers come from?
  120. int. low signal
  121. FFT analysis-Truth or Consequence
  122. 6sn7gtb Filament Voltage
  123. Help with Tube Buffer for passive pre
  124. Is there a 12CM7?
  125. 12ax7
  126. tube driving the same tube - whats the collective word?
  127. 6c33c PSE
  128. 75% of rated max. current too high?
  129. ST shaped tube
  130. Tube Phono Pre of RJM
  131. how to determine P1 from P2 of a Push-pull transformer?
  132. fisher x100a
  133. Please review EL84M PP design before I order parts.
  134. Auction Gem Motorola? Go Figure!
  135. Darling amp plate voltage
  136. Sound quality of 6C4C is same with 2A3?
  137. 6,3VAC to 6,3VDC
  138. EL84 push pull idea
  139. Marantz preamp clone for newbie?
  140. Can I use Philips TB2.5 /400 in a SE ampl.
  141. Microwave + Computer = Tube? [help!]
  142. Plate Choke Miller Capacitance
  143. Anyone interested in building an EAR 834P?
  144. tube pre-amp
  145. Choke For Supply B+ Diy
  146. Audio Note DAC4 SRPP output stage problems!
  147. Regulated Dc Question
  148. what about tubes?
  149. Please help choose amp layout.
  150. SE 813 OPT..Am I On the right Track?
  151. say it's a hum problem
  152. Affordable KT88
  153. With transformer or OTL ?
  154. 45 SE tube amp OPT
  155. 2 Bogen 7027 tube amp vintage amplifier mono block
  156. Newnewbie Ouput Tranny question
  157. Webcor Amplifier Speaker
  158. could 24A been power tube
  159. How's this for a first amp?
  160. U.K. transformer supplier
  161. stereo el34 + kt66?
  162. Very tempting Good invesment or not????????
  163. A Heretical Unity gain line stage
  164. NFB net gain or loss
  165. Different brands:Is there any difference?
  166. McIntosh 225 Schematic
  167. LM317 for power amp regulation?
  168. KT88 or 6550?
  169. How to choose 6c33b?
  170. Using rectifier tubes in parallell
  171. Small problem at power off
  172. Preamp rebuild - hum problem
  173. what should I do with this tranny???
  174. Will this 2A3 PSE work?
  175. Ec86
  176. Worth to buy - tubes?
  177. 10/10/ preamp
  178. what do you think of this preamp?
  179. Tube FM -- Armstrong's first bdcst commemorated
  180. rjm 6dj8 phono section
  181. mercury vapor rectifier tubes on e-bay
  182. Russian Tube Stuff -- WSJ
  183. Help Please!!!!!!
  184. 5902 amp schematics?
  185. Microphonics...........
  186. High voltage PSU
  187. 2A3 v 6550
  188. Coupling cap question
  189. Wollcott cross coupled circuit
  190. TAD Tubes where are they from?
  191. ebay Junk or Treasures?
  192. interconnects
  193. In few words
  194. GlassFET Design Ideas
  195. ecc88 tube pover supply-rect.
  196. A tubeNoob enters => I bought a Dynavox VR-70E
  197. Heater Supply using LM3X7 current source
  198. Stepdown input trafo
  199. increasing the bias will cause the amp to.....
  200. Transformer faulty?
  201. More crappy Russian EL34s - Svetlana this time
  202. My Tragic story about Emission Labs tube
  203. Please help me solve the problem
  204. amp freq response with o-scope
  205. Can you SEE (construction) how a tube SOUNDS?
  206. CCS fed shunt regulators
  207. Recommended Modifications/Tweaks for Dynaco PAS-3 Series II Pre-Amp
  208. ebay toys
  209. Source for 6c45pi's???
  210. phono preamp design for c3m postie valve
  211. McMartin MA-50 Troubleshooting
  212. looking for something different
  213. mc275
  214. Sv572-3 Se
  215. Alps step attenuator
  216. seeking real kt90 pp schematics
  217. -50V negative supply
  218. Inductance coupling between chokes
  219. Mercury Magnetics
  220. warming up thetubes
  221. distorsion
  222. using a plate choke?
  223. Should I trash these tubes
  224. Minature Vaccum Tube Question
  225. 46 tube user
  226. Smells like a mistake
  227. Help for my hybird zero feedback AMP
  228. help on ul transformer please
  229. Wiring the D3a as triode - What is best?
  230. Switching from ultralinear to triode
  231. Help for a Output Transfo problem
  232. Pentode models
  233. Good or bad to use parallel capacitors of same value in signal path...
  234. Urgent: Need Help on Schematics (Tube Pre-Amplifier)
  235. ASL wave 8 mods
  236. lectron jh 60 help----------------
  237. crown tube poweramp
  238. Alan kimmel mu stage article
  239. What would you do with this amp?
  240. tube software
  241. Simple Valve Preamplifier
  242. Current sourced heaters in a CF
  243. Tubes and music styles
  244. Cheap SE EL84
  245. Making a living out of tubes? (A little off-topic)
  246. EL84 matched pairs
  247. Tango XE20S voltage rating?
  248. power transformer heat
  249. Used Tube Amps, second life..
  250. Tubes

Content Relevant URLs by vBSEO 3.3.2