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. 6L6 mono amp questions
  2. Help on 300B power trans...
  3. Spud Farmin' Pt. Deux
  4. No Zen
  5. Reuse or rewind choke
  6. Bell Sound Mono Integrated Amplifier
  7. Help with Melos SHA repair
  8. diy guitar tube amp help.
  9. Phase splitter transformers
  10. 6v6 schems
  11. Cathode feedback
  12. Is this a good choice for El34 PP
  13. 6DK6 amp schematics?
  14. so who here builds amps
  15. 3:1 Line Input X-former ?
  16. * 35 watt * 300B SE = super 300B + Class A2
  17. Quirk in Mullard 5-20 circuit
  18. LL1673 as anode load?
  19. preamp/power amp matching
  20. 0A3 and pentode questions (quickie)
  21. where to find transformer to use
  22. C core output design
  23. Unusual Motorola Console
  24. Improving the Aikido line stage...
  25. Poll..anyone interested in an Aikido linestage PCB group buy?
  26. New 6s45p compare to NOS?
  27. Elektra Print L-3500
  28. 300b tube cage
  29. The 'Tater Patch
  30. 2A3 Sovtek characteristics
  31. 300b filament q, yes another one.
  32. Amp repair help needed.
  33. 833a SE Peak A.F. Grid Voltage
  34. DHP driver for 845
  35. Fisher 55-a
  36. Ultralinear Miller capacitance
  37. Simplest OTL?
  38. presence control
  39. Black Gate N cathode formation voltage
  40. Any other reported fragility for 6H30pi?
  41. Help! circuit diagram
  42. Another Gm70 amp !!
  43. 833a Amp 75W SE
  44. Black Gate N-series question
  45. 300B+
  46. Koren's spice models
  47. 50 Power triode
  48. Vertical deflection tubes for audio output?
  49. warmth in different tube types
  50. OT data
  51. Sansui 1000A OPT's
  52. CF biasing and load ???s
  53. improving the Mcintosh C22
  54. An amp that melts 6L6s?
  55. 8ohm speaker on 15 or 3.5 ohm tranny
  56. Choosing a brand as a standard
  57. The power of transformation
  58. wanted- 845 pwr amp p.p.
  59. Heathkit S-33 Information needed.
  60. Leak Stereo 20 - solid state rectifier?
  61. My rebuild 6sn7gt tubes line pre-amp.
  62. CircuitMaker Vacuum Tube model
  63. Mf X-pre
  64. E182CC, E88CC SRPP at low voltage
  65. Debugging my Aikido
  66. SRPP linestage help
  67. Transformer question
  68. Tube Spice Model Problem
  69. Just found a zenith 7g01z in the basement
  70. your next level story - Philosophy of EE 101
  71. JLTI Tube Preamp
  72. squeal in amplifier
  73. ALTEC Line & Bridging Transformer Data??
  74. Tube noob needs some help on PSU
  75. Preamp PSU Design Help
  76. GZ37 Substitution?
  77. help disigning 12AY7 based mic pre
  78. I m confuse ! expert help
  79. Removing a pot.
  80. diyparadiso kits?
  81. Help with linestage power supply
  82. TX103 - RJM 6DJ8 - TX102 preamp
  83. Replace the field coil spk with Electromagnetic dynamic spk
  84. Gu50 output problems
  85. SRPP: adifferent perspective
  86. Fixed or self bias?
  87. 211 amp PSU question
  88. Help! transformer overheating!
  89. more ebay stuff
  90. 6KG6, output stage & PSpice
  91. 6C33C-B Failure Mode?
  92. manley 300b preamp schematic required
  93. 115 V transformer on 230 V ???
  94. Hoffman Amps Turret Lugs?
  95. 300B Reliablity
  96. Metal work in Toronto
  97. What happens when you starve a heater?
  98. se 6c33c or se el34 schematic
  99. AVO MkIV User Guide
  100. Altec A150C and 531B psu
  101. What's been broken?
  102. tubes here...
  103. Voltage drop AZ1 = AZ11 = RGN1064 rectifier tube
  104. The Beast...
  105. Looking for Mikael's KT88 Schematic
  106. 1.2k vs 2.5k TC on a 6550 amp?
  107. Ultimate Tube head phone amp.
  108. Selecting Output Transformers for My WOT Line Preamp
  109. Tube microphone
  110. OP tube convertible PP amps?
  111. The "Valvolozzo" - SE amp with torroids
  112. Phase Splitters
  113. A new setup, advice wanted
  114. 6e2 Magic eye datasheet
  115. Another linestage......
  116. VT52: are the triode and pentode alike?
  117. Long term planning
  118. vintage restoration
  119. Some doubt about my first Tube amp (Heater).
  120. Power supply for Single Ended Amplifier
  121. Another CD player DAC tube modification
  122. philips el6400 tubeamp
  123. NTE Metal Film Resistors?
  124. How much power do I really need?
  125. hey guitar playas, try this one!
  126. 6H30 phono with passive RIAA
  127. I need help troubleshooting a EL84 push pull amp.
  128. Tube Data needed please
  129. Filament Transformer
  130. strange tube
  131. 12AX7 and 12AT7 numerical data
  132. DC/DC converter to power tube amp?
  133. Basic Cathode Follower buffer
  134. Marshall EL84 20/20 schematic needed
  135. Help me!!! I need schematic of Pow-Amp using 6V6
  136. gi30, se pentode?
  137. Any experience with Chinese 6N8P
  138. Source for common mode chokes
  139. Low Power FM stereo transmitter?
  140. Rh807
  141. Replacing a power tube (used as driver for mosfet car amp)...how to bias?
  142. Question about sub out on amp
  143. opt question
  144. Tube socket wanted. (help where)
  145. voltage regulator using ECL84 + OB2
  146. Help! 6sn7GT
  147. tubes n needles
  148. PSpice/LTSpice model for 6AU6/EF94?
  149. 5AR4/GZ34 GT Britain
  150. CCS vs mu-follower. What's the difference?
  151. Need advice on two preamp kits.
  152. My First Tube Amplifier
  153. Output (beam) pentodes / tetrodes suitable for screen grid drive
  154. Patent applications of interest
  155. Rca
  156. Guitar Amps
  157. Melos GK-1 Tube Pre-amp Schematic needed ...
  158. 6L6s and 6AR6s - what can I do with them?
  159. Line stage preamp, based on SY's "Heretical Unity gain line stage"
  160. 1600v HT supply for scope.
  161. Mc 275 CE schema
  162. Help! is this work?
  163. Some questons on a DIY system.
  164. pinout on 6GT5A tube
  165. 50Hz hum after increasing grid stopper
  166. A Heretical Unity Gain Line Stage part II
  167. 832A Push Pull 5W
  168. PSpice/LTSpice model for 12AY7/6072 wanted
  169. Is this circuit I drew ok?
  170. Suggest a preamp for cd/tuner
  171. EL84 to 6l6
  172. Tube-cad, is it worth the $40?
  173. Grounded Grid Preamp Project And Possible Group PCB Buy
  174. Can anyone sujest a good operating point for the PL84
  175. Preamp hiss noise
  176. Audio Note Trans 205 specs?
  177. Help translating russian tube datasheet
  178. Very high output level!
  179. Help wanted with valve data
  180. Boiling sound...
  181. Negative Feedback Ground
  182. low power SE with 813
  183. KT instead EL
  184. a single double triode and two chanel?
  185. 76 driving 211?
  186. My Experience with "Music Angel" EL34 PP
  187. 12JT6 in triode mode curves needed
  188. Where did these EL84 numbers come from?
  189. int. low signal
  190. FFT analysis-Truth or Consequence
  191. 6sn7gtb Filament Voltage
  192. Help with Tube Buffer for passive pre
  193. Is there a 12CM7?
  194. 12ax7
  195. tube driving the same tube - whats the collective word?
  196. 6c33c PSE
  197. 75% of rated max. current too high?
  198. ST shaped tube
  199. Tube Phono Pre of RJM
  200. how to determine P1 from P2 of a Push-pull transformer?
  201. fisher x100a
  202. Please review EL84M PP design before I order parts.
  203. Auction Gem Motorola? Go Figure!
  204. Darling amp plate voltage
  205. Sound quality of 6C4C is same with 2A3?
  206. 6,3VAC to 6,3VDC
  207. EL84 push pull idea
  208. Marantz preamp clone for newbie?
  209. Can I use Philips TB2.5 /400 in a SE ampl.
  210. Microwave + Computer = Tube? [help!]
  211. Oil Capacitor DC vs. AC Voltage Rating
  212. Plate Choke Miller Capacitance
  213. Anyone interested in building an EAR 834P?
  214. tube pre-amp
  215. Choke For Supply B+ Diy
  216. Audio Note DAC4 SRPP output stage problems!
  217. Regulated Dc Question
  218. what about tubes?
  219. Please help choose amp layout.
  220. SE 813 OPT..Am I On the right Track?
  221. say it's a hum problem
  222. Affordable KT88
  223. With transformer or OTL ?
  224. 45 SE tube amp OPT
  225. 2 Bogen 7027 tube amp vintage amplifier mono block
  226. Newnewbie Ouput Tranny question
  227. Webcor Amplifier Speaker
  228. could 24A been power tube
  229. How's this for a first amp?
  230. U.K. transformer supplier
  231. stereo el34 + kt66?
  232. Very tempting Good invesment or not????????
  233. A Heretical Unity gain line stage
  234. NFB net gain or loss
  235. Different brands:Is there any difference?
  236. McIntosh 225 Schematic
  237. LM317 for power amp regulation?
  238. KT88 or 6550?
  239. How to choose 6c33b?
  240. Using rectifier tubes in parallell
  241. Small problem at power off
  242. Preamp rebuild - hum problem
  243. what should I do with this tranny???
  244. Will this 2A3 PSE work?
  245. Ec86
  246. Worth to buy - tubes?
  247. 10/10/ preamp
  248. what do you think of this preamp?
  249. Tube FM -- Armstrong's first bdcst commemorated
  250. rjm 6dj8 phono section

Content Relevant URLs by vBSEO 3.3.2