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

  1. Tube multiplex adapter parts replacement
  2. SY gets jiggy (5692 measurements)
  3. Tube Drag Racing!
  4. OTL, quick `n dirty
  5. 6V6 stereo amp
  6. humming from amplifier
  7. Mesa boogie
  8. Any tube audiophile in New Dephli, India
  9. What are terminal 1 & 4 of 300B tube
  10. Tube Nube - need advice on Scott LK150
  11. Pentode AB1 or AB2?
  12. #56 tube line stage
  13. **** another unusual hum problem !!
  14. Any comments on Eico HF-14 and HF-85
  15. sensitivities of amplifier configurations
  16. Building a Sun Audio sv 300b Mk II clone
  17. wanted information! vellman vaa-70 tube amp
  18. old tubes, what to do?
  19. Knowledge needed. Need answer to basic yet puzzling question.
  20. tubes 5965A and 5814A
  21. 6s4a as driver for 6as7 in SEAmp
  22. Tube Manufactures Cross references
  23. KT88 vs. KT90 bench test
  24. Variable Voltage Technology(uk) iron
  25. Tutorial: building techniques
  26. Anyone tried UL or Triode connecting the $140 kit ?
  27. Using microphone transformers as phase splitters .
  28. Tube Cooling Recommendations
  29. WE 300B Vs &&&&
  30. Line stage board off from overseas. problems
  31. Volume control for tube amplifier ??
  32. Mro Pt8
  33. looking for se 811 schematics
  34. 6ar5??
  35. bias meter
  36. 829B/3E29 datasheet triodemode
  37. A better triode strap?
  38. outputtransformer data needed
  39. info wanted about a output transformer
  40. WE316a/VT191 triode
  41. electrolytic can capacitor
  42. Bogen DS-225
  43. PPP KT66, Jensen P15N, Hammond PowTran 378CX/193L Choke
  44. 6V6GT and 6L6GT
  45. Unknown vaccumtubes
  46. Milleroux OPT
  47. Tube equalents.
  48. Western Electric 300B
  49. AVVT Tubes
  50. PAS phono. (curcio)
  51. Suitable Transformer for Etude 12B4A
  52. SE tube in mono amp
  53. Pentode current sink - how to connect the control grid?
  54. where are audio equipments in Beijing?
  55. Mullard 3-3 Question
  56. Grounded Grid w/ remote volume
  57. Modifying (Reducing) Screen Voltage
  58. coupling caps
  59. Single Stage Inverting or no?
  60. Using KT88 to build a monster champ amp?
  61. bias arrangements for P-P amps.
  62. Beginner's heaphone amp?
  63. Bridging
  64. Valve circuit in I, Robot
  65. ECC33, 34, 35 tubes?
  66. Help!! any good EL3n Push Pull circuits????
  67. What PP circuit to use for 6SN7 and 2a3?
  68. Stage classification and efficiency
  69. 2x8w SET choice.
  70. 10-15 mu DHT?
  71. Possible computer speaker amp
  72. Help me make a preamp decision
  73. Plitron PAT4006 - advice please
  74. Big valve
  75. Need help with PP pentode design
  76. EQ-circuits.
  77. measuring the power choke inductance confusion
  78. Single-end... which tube?
  79. bias voltage for 6BQ5 plate
  80. Fender Twin
  81. small poweramp with 12AH7 and 6AU6WA...
  82. Layout Check
  83. auto component placer with tube PCB prints
  84. Hammond 300BX for a Dynaco modified Mullard 5-20 circuit
  85. Audio Electronics Supply AE-1 problems
  86. Cunningham CX 301A
  87. Quicksilver zener diode mod
  88. ELC7? I need help to identify this valve
  89. Spice 3f4 "Koren" models
  90. parallel or push-pull
  91. Isolation
  92. Telefunken 6SN7; Are They Imported Or Genuine TFK MFD?
  93. Magic Gu15
  94. Help identifing RCA transformer
  95. Problem with tube overheating. PLEASE HELP
  96. Battery powered phono.
  97. Ancient Valve Amp and Rola Speaker PLEASE HELP!
  98. converting Heathkit AA-191 to a guitar amp
  99. Has anyone used a triode as a shunt regulator?
  100. EL84 SE design recommendations?
  101. need a good low parts phono tube preamp schematic....
  102. Shunt Feedback - effect on input impedance
  103. searching bogen db10a schematic
  104. Swinging choke?
  105. Schematic help. (thread split)
  106. Playing with a Magic Eye.
  107. A music coming from component.
  108. DIY meeting in Belgium ?
  109. EL34 Push Pull weirdness
  110. Balancing DC-coupled differential stages
  111. Jadis JPS 2 schematic
  112. Leak Stereo20 rebuild ?
  113. Vintage amp rebuild advice
  114. simple 6v6 push-pull schematic ?
  115. valve newbie; 6H1H pre-amp.
  116. Polyprops as cathode bypass
  117. Eventual 300B advice welcome!
  118. Thinking about getting into Tubes, any kit recommendations?
  119. Another Mullard 5-20.
  120. Subbing EL86 (6CW5) for EL84
  121. Valve Warmer/Distortion PCB
  122. Having a problem with building this 6C45 PP amp.
  123. Blue glow in tube. Is the tube dead or not?
  124. Repairing VTL TL2.5
  125. Another ECL86 (integrated this time)
  126. CJ MV55 triode mode
  127. Mullard 20W Amp
  128. Pro Model Tubes,for example Avalon
  129. How to find out which is which????
  130. Matching a preamp to high output impedance source
  131. VSE PP1 driver stage
  132. Thordarson Choke type 1-8C42
  133. Ediswan ECL86 datasheet wanted.
  134. Minimal approach with hybrid rectification: Is this possible?
  135. SS vs. Tube Rectification (and chokes)?
  136. Biasing a guitar amp for distortion
  137. Help wanted on SRPP preamp
  138. New Pas Question no photos
  139. amp-schematic questions...
  140. 5902 subminiature audio pentode
  141. TPP versus PSE.
  142. my fun....
  143. Schematic for Siemens F2a tube amp
  144. Snubber
  145. Which preamp ?
  146. Distortion+low volume..
  147. JJ Tesla
  148. Dynaco Pas
  149. feedback resistor
  150. Grid stoppers?
  151. Transcendent T8 with 12 output tubes
  152. Can anyone recommend a good buffer circuit
  153. happy with my MC-25
  154. A building block approach to valve amp design
  155. math quiz- input z triode amp
  156. Need help in circuit analysis
  157. learning how to do this
  158. 5687 and ccs?
  159. Improving damping factor for OTL
  160. Solid State delay on turn on relay.
  161. output transformer 9030/3
  162. Dynaco MKIII: new power cord
  163. 50C5 add-on amp
  164. Finished my stereo amp!!
  165. spl for 300b, kt88
  166. 2A3 tube review
  167. Audio Transformer Query
  168. Lafayette Phono preamp.
  169. Power transformer help
  170. EL84 SE question
  171. Pop/crackle in one channel
  172. 6GM8 Operating Point
  173. Propper grounding.
  174. EL34 plate glowing?
  175. wavlength audio cardinal
  176. help for tube noob
  177. Placing the powertransformer
  178. Tube audio periodicals
  179. PSU Question
  180. AudioInnovation 400
  181. c3g connections
  182. 6c33c-b Se
  183. tube preamp distortion
  184. What do you guys use to drill holes on chassis??
  185. S.E Problem.Urgent help Please!
  186. 6CA7, El34 or 5881?
  187. svetlana tubes
  188. 18C51 tube help!
  189. Power Tubes
  190. OTL PS question!!
  191. suggestions for the "lowest noise" pentode
  192. drd c3g/300b - help needed
  193. tubecad is back
  194. Happy birthday to tubes. Happy birthday to tubes. !
  195. Anyone used...gulp...kitparts.com?
  196. Grounding the Decware Se84sc
  197. Rogers Cadet III Schematics
  198. OTL amp help
  199. most simple design
  200. modify eagle el84 for guitar
  201. Please verify this circuit, is correct??
  202. EL509 vs EL519
  203. Heathkit AA-181 schematic needed
  204. EF 91 / Z77 Amp? help needed for newbie
  205. buzzing ST-70...plea for help
  206. Zen se-84cs question............
  207. Help with transformer
  208. 211 or EL34Triode?
  209. bootstrapping two SE transformers into a pp one?
  210. Gary Pimm's battery biased mosfet cccs
  211. PSU for SRPP - Voltage or Current Regulator?
  212. MC-30 rebuild, any ideas?
  213. ls-37 MM/MC RIAA Phono Amp from diyclub.biz
  214. Amorphous core transformers only work above 20KHz?
  215. Help with component layout?
  216. Output Transformer Sizing?
  217. PSU worries...
  218. 6BL7 as output tube for low power SE amp?
  219. advice for 6L6GC P-P amp
  220. need some info in a UTC s-16? anyone!
  221. 2A3 power supply transformer
  222. Hi-Bass button
  223. Searching for my first tube amp
  224. Which phono preamp ?
  225. potted transformers
  226. chokes and power supplies
  227. Heathkit A7 ?
  228. Best tweeter amp
  229. Should I use a cathode capacitor in my SE amp?
  230. Help, Just Starting Out
  231. JJ Tesla ECC99 spice model
  232. Newbie to tubes, what can they handle?
  233. Quicksilver rectifier
  234. SE amp question
  235. yaqin mc10k
  236. Hello again, plus a couple of Q`s.
  237. My first home audio amp.
  238. Boostrapping?
  239. KT88 budget- Sovtek, Valve Art, EH?
  240. Tube Bass Amp Schematic
  241. looking for schematic with 6em7 as a driver or...
  242. Multi-Channel Contol Unit
  243. TAD-EL84-STR experience?
  244. OTL question
  245. Good SET for newbie
  246. 6n1p simpl(ish) design
  247. Short list of DIY tube amps with PCBs available...
  248. Parallel feed (choke load) in output stage
  249. Few general question for starter?
  250. winding a simple PP output transformer

Content Relevant URLs by vBSEO 3.3.2