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. 3-pong conversion for Acoustic amplifier
  2. 6v6pp design
  3. CCS Plate Load
  4. All tube voltage doubler
  5. best value/performance ECC83 on market
  6. Help needed for my preamp
  7. 6H6p cascode differential driving 2A3 PP
  8. Best phono / line preamp
  9. Point to Point
  10. gain curve questions
  11. Questions concerning Aikido Line amp
  12. Partial cathode bypass to effect a treble boost.
  13. SE bass
  14. choke orientation
  15. Musical Fidelity X-PRE schematic
  16. Circuitmaker Spice question
  17. Trouble with a paraphase PI
  18. 27 pre PS question..
  19. 6AV5 g2 driver
  20. Calculate PSU output impedance?
  21. Output stage biasing, with the driver stage
  22. tube pedal plate voltages?
  23. grounding and 12AV6 diodes
  24. 6as7 Pse
  25. Looking for datasheets
  26. Ping Albert from Canada
  27. Old Tektronix booklet
  28. fisher 800c phase inverter adjustment 2
  29. Quick Transformer Question
  30. Power supply for Heathkit
  31. low-power output tube quality
  32. Conn Caprice organ
  33. Conservation of tubes
  34. Brimar EM87
  35. Tube sockets without the ceramic carrier.
  36. SET with tube-based CCS???
  37. fisher 800c modifications
  38. Bottlehead meet.
  39. Tie cathode to heater??
  40. anyone seen it tried like this?
  41. What do people think of the SETH 2A3 PP?
  42. Very high plate voltage EL34 amp
  43. How About Bridging SE
  44. Fisher 800c Has Odd Cathode Reading
  45. What part of DIY do you LOVE?
  46. Priboi tweakers ?
  47. 5751 and 12ax7
  48. LM317 + ceramic cap Q
  49. Derive Triode Curves from Pentode Curves?
  50. 7701 distortion device?
  51. Looking for the perfect giftshop
  52. 300b
  53. Choked ripple killer for SE?
  54. Dynaco Kits
  55. Positive bias for tube CF?
  56. need help
  57. Xindak attenuation for use with Leak Stereo 20, help please
  58. Series heaters = small problem?
  59. Recommend an EL84 tube for HIFI
  60. Help - need some info on this valve amp, please
  61. H. Olson's amps
  62. 12AT7 and the Simple EL84
  63. New K-12g only one channel working
  64. Kofi Annan in: "Kofi Makes a 300b DRD... and You Get to Help!"
  65. Rauland Borg 6L6 amp Need Info
  66. Hum Noise!
  67. Tube regulator for solidstate devices
  68. 6gu7 a sub for 6cg7/6fq7?
  69. obsession sd-600 300b mono block
  70. how do you know you need matched pair?
  71. Nobu Shishido's 805 SET interstage
  72. KT88SE, turning OPT
  73. New to tubes.
  74. OB with.......well, TL Audio's iTUBE :)
  75. Matched tubes required?
  76. GU-50 output trafo
  77. Are Hammond power transformers good enough ?
  78. Transformers.
  79. Quicky - magic eye between preamp and power stage
  80. HT to rectifier
  81. 6AV5 spice model
  82. Audio Research LS2 from 110V to 220V
  83. 6V6 PP power xfrmr
  84. I think I've damaged my amp
  85. Which brands apart wyetech uses Grounded grid?
  86. Parallel vs. series filament supply - or another filament idea
  87. 6146W Power Amplifier. Please help!
  88. grommes 511a mono tube amp/reciever
  89. First phono needs QC
  90. Meixing 3008ab problems
  91. protecting a VR tube
  92. what's the purpose of pins 3 and 7 in an 8pin VR tube?
  93. help me i need schematic of Music angel PP el34
  94. How long to pre-heat filaments on 6SN7s?
  95. Amplifier Layout - Help & advice needed
  96. Any good places to shop for diy in beijing?
  97. White CF with 6SN7
  98. Cheapo Guitar Amp
  99. Power Amp
  100. is there any sound in a 30A5 / HL94 ?
  101. the hybrid one
  102. 4-1000a se subwoofer amp
  103. ear 834p output resistance
  104. Output transformer push pull
  105. Cheap Lunch?
  106. Source for Alps RK18 pot's..?
  107. Triode strapped tetrode
  108. ok, help me out here......
  109. Homebrew Toroid O/P Tranny
  110. GIBSON GA-79RVT Stereo Cab plans or dims
  111. strange noises from ECL86 amp
  112. Retouching knicks and scratches on chassis
  113. MingDa MC-7R noise and gain
  114. start-up sequence of Aikido preamp / SS power amp
  115. Driving a 6B4G with a single 5687/7044/E182CC?
  116. phono stage with different replay equalization?
  117. Lprimary variation in pair old opts
  118. 8417 triode connected tube data
  119. 5763 = El84?
  120. 5687 to 6L6 SE ?
  121. TubeCad Feedforward Shunt Regulator
  122. "12EA6" Pentode !
  123. Marshall EL34-100/100
  124. short-circuit rectifier EZ80 !
  125. Good radio tube:6AQ5/6005
  126. Replaced pulled tubes with a resistor?
  127. Choke input PSU, drawbacks?
  128. Heater PS alternative / Redux
  129. Gold or silver dress-up rings for tube amps.
  130. 50C5 conversion
  131. Sa-5.1 blow fuse
  132. Hum problem of preamp
  133. Chassis ground blows fuse
  134. 7193 (2c22) preamp buzz/hum
  135. Se Opt
  136. Does anhone use those switching power supply for the heaters?
  137. Tube Minidoc, featuring New York Noise
  138. Help Choosing A Sowter Trans For My DAC?
  139. fisher 800c clipping at ultra low volume
  140. "audiodigit" tubalizer & tubepre original schematic
  141. Dht Guitar Amps
  142. rating of series caps
  143. F704
  144. tube socket PCB library or dimensions
  145. motorboating
  146. 6AN8 Triode connection + EL 84 PP
  147. Please help amend 6AS7PP circuit
  148. El84 Pp
  149. 6V6 Ultralinear
  150. Dear Moderators
  151. 845 se
  152. Bell 2122-B integrated amp - tube suggestions
  153. Wirewound pot for Rk
  154. KT88/90 F2011 Schematic
  155. United Electric 967
  156. Scott 222c mods...?
  157. Switching supply for 300B filaments
  158. ECF80/6BL8
  159. 24v tube buffer & line stage schematic
  160. Vintage gear hunting
  161. Seperate PSU Transformers? Filament Supplys?
  162. 828 is better
  163. Hum on a choke loaded stage
  164. SE Transformer question
  165. Design question - How to make amp porn visible?
  166. Leak Stereo 20 - Johan's Square Wave Theory
  167. K-12G First Time Build
  168. Vishay vt52-55 resistors in a tube amp
  169. EL84 Push-Pull ccs bias
  170. Eight 807's in Push Pull?
  171. Working with Current O/P DAC Chips
  172. Unison research Preludio schematic
  173. Rewinding Power transformer
  174. Information needed on RCA SPECIAL RED TUBES
  175. Score?
  176. Herron phono
  177. tube preamp + SS power amp.
  178. Puzzler
  179. HI-Fi 6p13p
  180. Resistor values
  181. To chassies SE amp,PSU question
  182. Grounding & board Layout questions
  183. Look for a beefy driver tube.
  184. ECC81
  185. 5687 v.s. 6922 preamp/xover
  186. amorphous iron core good or not
  187. Pre-Amp
  188. submini tube preamp is a success
  189. Roll off frequency.
  190. Materials Technology for Electron Tubes by Walter H. Kohl
  191. Grundig TK 46 manual
  192. I'm anti-expensive audio parts but man, a good capacitor can make a difference
  193. How to determine a tube is shorted?
  194. Power supply problem
  195. SS power trans for tube experiments
  196. how to set output current on G Pimm's CCS circuit?
  197. Tube testing questions
  198. Push Pull Output Transformer wiring problem
  199. shunt regulator using VR tubes (with ccs like g pimm) and circuit load
  200. Stepped attenuators vs. Carbon pots
  201. hum/buzz with pot all the way up
  202. Cap and resistor types in guitar tube amp
  203. VacuTrace ... In Chicago?
  204. Lifesaver question on earthing
  205. Affordable, but good attenuators?
  206. Gu50 Set ?
  207. mounting an EL34 upside-down
  208. Direct coupled PP 2a3 amp - maths needed!!
  209. My 1st scratch build complete......
  210. Very Basic EL84 or EL34 DIY Amp
  211. Curcio Daniel Preamp Mods?
  212. Tube designs: 45 driving 45/2a3/300b?
  213. Adding secondary of output transformer into cathodes of output stage ? Eico ST-70
  214. Marantz 8 B : Output Transformer
  215. has anyone used a fan on their project?
  216. Audio Research SP12 heater arrangement
  217. tv damper diodes
  218. volume pot quite close to a tube - is this okay?
  219. UTC s42 special series
  220. 6H30P preamp schematics
  221. Digital potentiometer corrupt tube amps
  222. Alternative filament supply for 01A line stage
  223. Lamination Size
  224. Yaqin MC10L and KT88
  225. Help me read tube data sheets
  226. Quick Question (Driving 6L6GC's)
  227. Cause for concern -- scorch mark in tube
  228. why not 10k pot
  229. Dynaco Stereo 70 Output Transformer
  230. 6CJ3 rectifier or 6D22S rectifier
  231. Back-to-Back trannies
  232. Spring Reverb transformer
  233. Hamfest in Toronto area next weekend
  234. st70 bass response
  235. Triode "Champ" transformer v Edcor
  236. Low vs High aka Series vs Parallel Filaments
  237. Bogen monster MO200A schematic
  238. The Great Tempe Audio Shootout
  239. opinions on this p-p kt88
  240. Any XLR Tube Buffer Plans?
  241. Mystery transformers
  242. I need help with my next project
  243. A thought on Cathode feedback
  244. EL34 SE, direct coupled
  245. Ccs
  246. Hybrid amp: ECH83 + TDA2030A
  247. Leaving tube preamp always powered on.
  248. Variable 6922 heater to cathode voltage limit...?
  249. Is this risky?
  250. What to do with some WE tubes and others

Content Relevant URLs by vBSEO 3.3.2