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. KT88 vs. KT90 bench test
  2. Variable Voltage Technology(uk) iron
  3. Tutorial: building techniques
  4. Anyone tried UL or Triode connecting the $140 kit ?
  5. Using microphone transformers as phase splitters .
  6. Tube Cooling Recommendations
  7. WE 300B Vs &&&&
  8. Line stage board off from overseas. problems
  9. Volume control for tube amplifier ??
  10. Mro Pt8
  11. looking for se 811 schematics
  12. 6ar5??
  13. bias meter
  14. 829B/3E29 datasheet triodemode
  15. A better triode strap?
  16. outputtransformer data needed
  17. info wanted about a output transformer
  18. WE316a/VT191 triode
  19. electrolytic can capacitor
  20. Bogen DS-225
  21. PPP KT66, Jensen P15N, Hammond PowTran 378CX/193L Choke
  22. 6V6GT and 6L6GT
  23. Unknown vaccumtubes
  24. Milleroux OPT
  25. Tube equalents.
  26. Western Electric 300B
  27. AVVT Tubes
  28. PAS phono. (curcio)
  29. Suitable Transformer for Etude 12B4A
  30. SE tube in mono amp
  31. Pentode current sink - how to connect the control grid?
  32. where are audio equipments in Beijing?
  33. Mullard 3-3 Question
  34. Grounded Grid w/ remote volume
  35. Modifying (Reducing) Screen Voltage
  36. coupling caps
  37. Single Stage Inverting or no?
  38. Using KT88 to build a monster champ amp?
  39. bias arrangements for P-P amps.
  40. Beginner's heaphone amp?
  41. Bridging
  42. Valve circuit in I, Robot
  43. ECC33, 34, 35 tubes?
  44. Help!! any good EL3n Push Pull circuits????
  45. What PP circuit to use for 6SN7 and 2a3?
  46. Stage classification and efficiency
  47. 2x8w SET choice.
  48. 10-15 mu DHT?
  49. Possible computer speaker amp
  50. Help me make a preamp decision
  51. Plitron PAT4006 - advice please
  52. Big valve
  53. Need help with PP pentode design
  54. EQ-circuits.
  55. measuring the power choke inductance confusion
  56. Single-end... which tube?
  57. bias voltage for 6BQ5 plate
  58. Fender Twin
  59. small poweramp with 12AH7 and 6AU6WA...
  60. Layout Check
  61. auto component placer with tube PCB prints
  62. Hammond 300BX for a Dynaco modified Mullard 5-20 circuit
  63. Audio Electronics Supply AE-1 problems
  64. Cunningham CX 301A
  65. Quicksilver zener diode mod
  66. ELC7? I need help to identify this valve
  67. Spice 3f4 "Koren" models
  68. parallel or push-pull
  69. Isolation
  70. Telefunken 6SN7; Are They Imported Or Genuine TFK MFD?
  71. Magic Gu15
  72. Help identifing RCA transformer
  73. Problem with tube overheating. PLEASE HELP
  74. Battery powered phono.
  75. Ancient Valve Amp and Rola Speaker PLEASE HELP!
  76. converting Heathkit AA-191 to a guitar amp
  77. Has anyone used a triode as a shunt regulator?
  78. EL84 SE design recommendations?
  79. need a good low parts phono tube preamp schematic....
  80. Shunt Feedback - effect on input impedance
  81. searching bogen db10a schematic
  82. Swinging choke?
  83. Schematic help. (thread split)
  84. Playing with a Magic Eye.
  85. A music coming from component.
  86. DIY meeting in Belgium ?
  87. EL34 Push Pull weirdness
  88. Balancing DC-coupled differential stages
  89. Jadis JPS 2 schematic
  90. Leak Stereo20 rebuild ?
  91. Vintage amp rebuild advice
  92. simple 6v6 push-pull schematic ?
  93. valve newbie; 6H1H pre-amp.
  94. Polyprops as cathode bypass
  95. Eventual 300B advice welcome!
  96. Thinking about getting into Tubes, any kit recommendations?
  97. Another Mullard 5-20.
  98. Subbing EL86 (6CW5) for EL84
  99. Valve Warmer/Distortion PCB
  100. Having a problem with building this 6C45 PP amp.
  101. Blue glow in tube. Is the tube dead or not?
  102. Repairing VTL TL2.5
  103. Another ECL86 (integrated this time)
  104. CJ MV55 triode mode
  105. Mullard 20W Amp
  106. Pro Model Tubes,for example Avalon
  107. How to find out which is which????
  108. Matching a preamp to high output impedance source
  109. VSE PP1 driver stage
  110. Thordarson Choke type 1-8C42
  111. Ediswan ECL86 datasheet wanted.
  112. Minimal approach with hybrid rectification: Is this possible?
  113. SS vs. Tube Rectification (and chokes)?
  114. Biasing a guitar amp for distortion
  115. Help wanted on SRPP preamp
  116. New Pas Question no photos
  117. amp-schematic questions...
  118. 5902 subminiature audio pentode
  119. TPP versus PSE.
  120. my fun....
  121. Schematic for Siemens F2a tube amp
  122. Snubber
  123. Which preamp ?
  124. Distortion+low volume..
  125. JJ Tesla
  126. Dynaco Pas
  127. feedback resistor
  128. Grid stoppers?
  129. Transcendent T8 with 12 output tubes
  130. Can anyone recommend a good buffer circuit
  131. happy with my MC-25
  132. A building block approach to valve amp design
  133. math quiz- input z triode amp
  134. Need help in circuit analysis
  135. learning how to do this
  136. 5687 and ccs?
  137. Improving damping factor for OTL
  138. Solid State delay on turn on relay.
  139. output transformer 9030/3
  140. Dynaco MKIII: new power cord
  141. 50C5 add-on amp
  142. Finished my stereo amp!!
  143. spl for 300b, kt88
  144. 2A3 tube review
  145. Audio Transformer Query
  146. Lafayette Phono preamp.
  147. Power transformer help
  148. EL84 SE question
  149. Pop/crackle in one channel
  150. 6GM8 Operating Point
  151. Propper grounding.
  152. EL34 plate glowing?
  153. wavlength audio cardinal
  154. help for tube noob
  155. Placing the powertransformer
  156. Tube audio periodicals
  157. PSU Question
  158. AudioInnovation 400
  159. c3g connections
  160. 6c33c-b Se
  161. tube preamp distortion
  162. What do you guys use to drill holes on chassis??
  163. S.E Problem.Urgent help Please!
  164. 6CA7, El34 or 5881?
  165. svetlana tubes
  166. 18C51 tube help!
  167. Power Tubes
  168. OTL PS question!!
  169. suggestions for the "lowest noise" pentode
  170. drd c3g/300b - help needed
  171. tubecad is back
  172. Happy birthday to tubes. Happy birthday to tubes. !
  173. Anyone used...gulp...kitparts.com?
  174. Grounding the Decware Se84sc
  175. Rogers Cadet III Schematics
  176. OTL amp help
  177. most simple design
  178. modify eagle el84 for guitar
  179. Please verify this circuit, is correct??
  180. EL509 vs EL519
  181. Heathkit AA-181 schematic needed
  182. EF 91 / Z77 Amp? help needed for newbie
  183. buzzing ST-70...plea for help
  184. Zen se-84cs question............
  185. Help with transformer
  186. 211 or EL34Triode?
  187. bootstrapping two SE transformers into a pp one?
  188. Gary Pimm's battery biased mosfet cccs
  189. PSU for SRPP - Voltage or Current Regulator?
  190. MC-30 rebuild, any ideas?
  191. ls-37 MM/MC RIAA Phono Amp from diyclub.biz
  192. Amorphous core transformers only work above 20KHz?
  193. Help with component layout?
  194. Output Transformer Sizing?
  195. PSU worries...
  196. 6BL7 as output tube for low power SE amp?
  197. advice for 6L6GC P-P amp
  198. need some info in a UTC s-16? anyone!
  199. 2A3 power supply transformer
  200. Hi-Bass button
  201. Searching for my first tube amp
  202. Which phono preamp ?
  203. potted transformers
  204. chokes and power supplies
  205. Heathkit A7 ?
  206. Best tweeter amp
  207. Should I use a cathode capacitor in my SE amp?
  208. Help, Just Starting Out
  209. JJ Tesla ECC99 spice model
  210. Newbie to tubes, what can they handle?
  211. Quicksilver rectifier
  212. SE amp question
  213. yaqin mc10k
  214. Hello again, plus a couple of Q`s.
  215. My first home audio amp.
  216. Boostrapping?
  217. KT88 budget- Sovtek, Valve Art, EH?
  218. Tube Bass Amp Schematic
  219. looking for schematic with 6em7 as a driver or...
  220. Multi-Channel Contol Unit
  221. TAD-EL84-STR experience?
  222. OTL question
  223. Good SET for newbie
  224. 6n1p simpl(ish) design
  225. Short list of DIY tube amps with PCBs available...
  226. Parallel feed (choke load) in output stage
  227. Few general question for starter?
  228. winding a simple PP output transformer
  229. Cats prefer 12E1's
  230. Tube vicinity heat problems(maybe?)
  231. Help me design pre-amp PS
  232. Power Amplifier With EL 34
  233. psu design problem
  234. Anyone have info about Jukka Tolonen?
  235. What do you think about this hybrid amp?
  236. Power supplies in mic tube preamps
  237. Hammond 1629SE
  238. 41 Valve Amp? vs 45
  239. DeWald M-1200
  240. Jansen Bassman 50
  241. Pilot AA-903B Tube Amp
  242. MC225 schematic needed
  243. Can you make a +/- supply with valve rectification ?
  244. Audio Innovations Series 500 problems
  245. Big, Heavy, Tube regulated Lambda Power supply
  246. Audio Note DAC Output Transformer Hookup
  247. Got some tubes, help me properly evaluate them
  248. current flow, which direction?
  249. Tube flashes upon turn on, why?
  250. Odd hum problem

Content Relevant URLs by vBSEO 3.3.2