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. studiogear of the beatles
  2. 6AK5 Triode Curves
  3. twisted pair signal, source selector and ground buss???
  4. Tiny Amplifiers
  5. A newly aquired Hum
  6. many jan tubes
  7. is this the correct way of adding a volume control?
  8. Basic DIY Valve Phono Stage
  9. 5879 Experience?
  10. personal jobs
  11. Wanted Triode strapped curves for pentode of ECL82.
  12. source selector / volume hum in Aikido
  13. DHTs and Cathode Bias
  14. Best SET driver stage with lots of B+?
  15. Tube Library Pspice error
  16. referencing DC heater to B+
  17. Double floating Circlotron
  18. Supply Capacitors ?
  19. Sakuma style Tango project
  20. MC10L is good or not
  21. Eico HF-20 & Claus Byrith PS voltage & power draw
  22. Voltage Regulator Tubes
  23. EL34 triode-connected grounding-grid curves?
  24. Pls help me understand AR SP6 circuit
  25. good begginer project (ax84 v.s. boozhound)
  26. I'm looking for 417a/5842 Preamp Schematic without any Transformer, any suggestion ?
  27. Trouble in a new DIY amp.
  28. Suitable Transformers
  29. PT winding calculations HELP
  30. How to measure frequency response with a PC?
  31. Pspice Tube Generation Software
  32. Tektron tube amplifier Italy made
  33. What to do with 2x Stancor A3830?
  34. REQ: Schematics and tweaking tips
  35. Jadis Da 60 & 80
  36. 6L6 for a beginner, plus ECL86/6GW8
  37. Leak Stereo 20 clone? possibly with 6V6?
  38. Any comment on Vacuum State dpa300b??
  39. Radiotron Designers Handbook
  40. Kofi Annan in: "Buggin' the 'S' Outta Me!"
  41. 12B4 eqivalent : sonics-wise ?
  42. Any Eimac Scematics?
  43. What's a 6SL7 Good For?
  44. Where Can Buy 6c41
  45. would twisted pair from a network cable be suitable as hook-up wires inside an amp?
  46. use a 45 to drive a 45 ?
  47. Regulated heater reference
  48. Heater Elevation, how high?
  49. 6201 alternative
  50. 4V Tentlabs filament supply
  51. Difference between stereo & 2 monoblocks
  52. Parallel operation of triodes.
  53. input tubes using 6922?
  54. Looking for choices - affordable PP OPTs
  55. removing HF damping pF caps for guitar
  56. HH Scott Transformer #s
  57. Tips for rebuilding this amp?
  58. Need advice - what can I build with this power transformer?
  59. Source for high voltage electro caps
  60. differences between K-12M and K-12G kits?
  61. 12B4 Line Stage with Fixed Bias?
  62. split push-pull output stage
  63. any thoughts/explanation on the power supply for this circuit?
  64. Where to begin on a PP?
  65. ProAc Tablette 50 Speakers
  66. Recognizing wiped out ECC's 81,82,83
  67. So tell me.... how did YOU get into tubes??
  68. 7189 or 7819 el84 tube?
  69. Question about Star Grounding
  70. Employment offered; breadboarding a Tube Monoblock
  71. Need help: Looking for ECF80 preamp schematic
  72. a 5AR4 after a diode bridge? what is the purpose?
  73. 807 & Pe 06/40n
  74. Board layout design
  75. 12AX7, 12AU7 Substitution
  76. 200,000 Tubes for sale in Michigan
  77. Ground scheme
  78. Help on 6L6GC Triode PP..working points..
  79. A neat trick?
  80. Setup & Implementation of G Pimm's Self-Bias CCS
  81. Tube Preamp FM interference
  82. Parafeed 6EM7 with 2k load?
  83. Need Help on HEATHKIT W-5M Power Transformer
  84. Fully isolated oilbath transformer.
  85. small signal DHT or DHP like AVVT20/8?
  86. EL 84 Pentode Config.
  87. Amp Tubes
  88. Can I replace the 1M volume pot with a 100K one in my HK A300?
  89. what's a hum band?
  90. Tube phono pre-amp needed.
  91. U/L or triode mode on music angel amp
  92. Why do some people dislike ultralinear?
  93. Adaptive class A
  94. 6X4 Tube rectifier.
  95. AN Conquest Clone modification
  96. Beautiful tubes.
  97. Selectable EL34/6L6 Amp OT
  98. Simple circlotron amp
  99. 12AX7 how many is enough?
  100. samples of 300B in pse or pp
  101. power supply choke with a connection for AC ground?
  102. Heathkit A7E for guitar - preamp gain
  103. musical fidelity x10d schematic
  104. Pot Value
  105. Eico 666 (satan's choice) tube tester help.
  106. Finally built a subminiature guitar amp... now I need help!
  107. Minor crackling in new valves
  108. Matchless Lightning v Spitfire
  109. Aikido linestage Help Needed
  110. Scott 299A Schematic
  111. Q on PP & current mirrors
  112. Calculating PT headroom in PP class AB
  113. EL34 Failure
  114. Aikido Transformer recommendation
  115. No mains transformer B+ ?
  116. Help with horizontal mounting of 01-A and VR tubes
  117. twisted pair wiring on a tube amp
  118. Calculating SE Output Question
  119. Fixed-Bias Williamson EL34
  120. Bogen CHB-35 Preamp Mod
  121. resistors and sonic effects?
  122. tamura F-683 pole question
  123. EC52--Plate choke--300B/45/2a3/50/EL34 SE
  124. vtl deluxe 300 mb
  125. Is SD a Schottky Diode in this schematic?
  126. Maida regulator
  127. 572B vs 845 vs 211 SE
  128. Yet Another EL84 Amp
  129. Regulator for tube pre
  130. referencing heater supply ground to B+
  131. One Question for Hammond 1620 output transformer
  132. Bias adjustment on Dynaco ST70
  133. To SRPP or not?
  134. Ampeg SVT-VR or SVT-CL Schematics
  135. 811 vs 811A?
  136. Bogen integrated stereo amp
  137. Audionote japan ( Kondo) Ongaku..Can I ......... Clone to DIY!!!!!!!
  138. Broken 6L6WXT tube
  139. transformer questions
  140. Microphone With A Low Impedance Tube
  141. 6EM7 Push-Pull
  142. polarity of Xicon electrolytics
  143. SE EL84 question
  144. Slightly Different guitar amp question
  145. ST-70 Power Transformer Info
  146. My new quad SED EL34 arrived
  147. isolation transformer for 50C5 amp
  148. DSP and vacuum tubes (from Analog Devices)
  149. Asymmetrical P-P OPT Primary
  150. Gated beam discriminator "amplifier"
  151. PCB Mount Loctal Socket?
  152. "Zero bias"/ driving the grid positive
  153. Low Profile Power Transformer Help
  154. Lowering Gain on an Aikido Preamp
  155. HELP; DIY PP amp - it's phase splitter, or buy Chineese.
  156. Tube vs. SS CCS...
  157. Another "I need an amp recommendation" thread
  158. i am a new one here
  159. i am new ! can you help me
  160. Pentode CCS: Would somebody check my work?
  161. PSU for 12V DC heaters
  162. 50C5 Triode strapped?
  163. homemade faceplates
  164. Can I build this?
  165. Heptode audio preamp? ECH83
  166. E130L in Triode mode
  167. class AB2 who's using it for hifi?
  168. Obscure radio tube
  169. another mingda
  170. tube hum in Aikido
  171. equivalent input impedance
  172. 6DG6GT "Magic Amp"
  173. Solen Fast Cap vs ASC film/oils in PS
  174. Tektronix transformers
  175. *very* basic plate resistance Q
  176. Yaqin MC-5881A amplifier improvements
  177. Tube design software
  178. More wasted space
  179. Radio tube guitar preamp
  180. PC Mount Novar Socket Suppliers
  181. Planning my first project
  182. Power Transformer leakage
  183. current sensing in series with anode resistors
  184. Please recommend a 9-pin dual triode = 417A
  185. Dynaco Pas 2
  186. Anyone have accurate charts for a KT90?
  187. Calling all Phono Preamp gurus, I'm looking for some plans
  188. Measuring Unknown Transformers
  189. Swinging choke vs std. choke in PS
  190. scope tests on a Heathkit A7E
  191. tube hum in a 6SN7 Aikido - is this weird?
  192. ECC807 preamp
  193. Ode to the 8416
  194. CCS 10M45 in Cathode of CF Driver
  195. Audionics help
  196. what 8-pin tubes would you suggest for an aikido preamp?
  197. KT88 tubes
  198. Any one tried these transformers?
  199. Williamson 6L6 Monoblocks (Finally)
  200. Master Volume preamp.. simple?
  201. ~2 watt SET decision
  202. retube order
  203. MC Riaa preamp help/opinions please
  204. WTB Fairchild 260 transformers
  205. Peter Millet amp
  206. 1946 Gibson BR-4 Amplifier tube question
  207. Power Regulator PCB's and Aikido parts
  208. A heater wiring DOH! moment??
  209. hum in fisher 800c phono section
  210. Aikido warm-up hum, resistor types, etc.
  211. Any of these tubes good for amps?
  212. Mini 98 El84 PP amplifier
  213. 1X6S33S=6X6S19P which one gives less impedance?
  214. schematic for 12.6 VDC heaters
  215. PP transformer for SE?? Help!
  216. 7-pin miniature tubes for audio?
  217. Tube Preamp as a Guitar Effect
  218. 6L6GT vs. EL34/6CA7 and WHY?
  219. Tube rectifier help
  220. Fender push pull amp... using one tube only.. is it dangerous?
  221. KT88 Lifetime estimation
  222. Adjustable distributed load discussion
  223. Thyratron voltage regulation
  224. switch-on, switch-off sequence for preamp/amp
  225. Found Meixing Amp schematic, sorta, would like some feedback
  226. Tube Voltage Regulator Flicker...
  227. Projects...How does one decide ?
  228. Best 6550's for the money....
  229. SMPS and tubes
  230. Looking for Eico 1030 manual/schematic
  231. 6AS7 OTL
  232. Gary Pimm's site down?
  233. 805 + 300b Amplifier Schematic
  234. Music Angel Amplifiers
  235. MM Phono stage (kit?) for tube newbie
  236. Russian tube dealer?
  237. STA1 + amp vs K-12M
  238. cheap ebay KT88 amp
  239. Tubes at low +B...
  240. Converting a yarland amp to drive headphones
  241. Starting a component system
  242. Really elementary question about caps.
  243. Tube newbie with Scott 299B
  244. 12AV7- 5965 Vs 12AY7
  245. PX25 tubes in a 300B Amp?
  246. help with a choke.
  247. 60Hz buzzing
  248. nuvistor bias with 18V ?
  249. ground bus for inputs on preamp - what's best?
  250. Voltage drop of various regulators in dc regulated power supply for preamp

Content Relevant URLs by vBSEO 3.3.2