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 99 100 101 102 103 104 105 106

  1. Leak Stereo20 rebuild ?
  2. Vintage amp rebuild advice
  3. simple 6v6 push-pull schematic ?
  4. valve newbie; 6H1H pre-amp.
  5. Polyprops as cathode bypass
  6. Eventual 300B advice welcome!
  7. Thinking about getting into Tubes, any kit recommendations?
  8. Another Mullard 5-20.
  9. Subbing EL86 (6CW5) for EL84
  10. Valve Warmer/Distortion PCB
  11. Having a problem with building this 6C45 PP amp.
  12. Blue glow in tube. Is the tube dead or not?
  13. Repairing VTL TL2.5
  14. Another ECL86 (integrated this time)
  15. CJ MV55 triode mode
  16. Mullard 20W Amp
  17. Pro Model Tubes,for example Avalon
  18. How to find out which is which????
  19. Matching a preamp to high output impedance source
  20. VSE PP1 driver stage
  21. Thordarson Choke type 1-8C42
  22. Ediswan ECL86 datasheet wanted.
  23. Minimal approach with hybrid rectification: Is this possible?
  24. SS vs. Tube Rectification (and chokes)?
  25. Biasing a guitar amp for distortion
  26. Help wanted on SRPP preamp
  27. New Pas Question no photos
  28. amp-schematic questions...
  29. 5902 subminiature audio pentode
  30. TPP versus PSE.
  31. my fun....
  32. Schematic for Siemens F2a tube amp
  33. Snubber
  34. Which preamp ?
  35. Distortion+low volume..
  36. JJ Tesla
  37. Dynaco Pas
  38. feedback resistor
  39. Grid stoppers?
  40. Transcendent T8 with 12 output tubes
  41. Can anyone recommend a good buffer circuit
  42. happy with my MC-25
  43. A building block approach to valve amp design
  44. math quiz- input z triode amp
  45. Need help in circuit analysis
  46. learning how to do this
  47. 5687 and ccs?
  48. Improving damping factor for OTL
  49. Solid State delay on turn on relay.
  50. output transformer 9030/3
  51. Dynaco MKIII: new power cord
  52. 50C5 add-on amp
  53. Finished my stereo amp!!
  54. spl for 300b, kt88
  55. 2A3 tube review
  56. Audio Transformer Query
  57. Lafayette Phono preamp.
  58. Power transformer help
  59. EL84 SE question
  60. Pop/crackle in one channel
  61. 6GM8 Operating Point
  62. Propper grounding.
  63. EL34 plate glowing?
  64. wavlength audio cardinal
  65. help for tube noob
  66. Placing the powertransformer
  67. Tube audio periodicals
  68. PSU Question
  69. AudioInnovation 400
  70. c3g connections
  71. 6c33c-b Se
  72. tube preamp distortion
  73. What do you guys use to drill holes on chassis??
  74. S.E Problem.Urgent help Please!
  75. 6CA7, El34 or 5881?
  76. svetlana tubes
  77. 18C51 tube help!
  78. Power Tubes
  79. OTL PS question!!
  80. suggestions for the "lowest noise" pentode
  81. drd c3g/300b - help needed
  82. tubecad is back
  83. Happy birthday to tubes. Happy birthday to tubes. !
  84. Anyone used...gulp...kitparts.com?
  85. Grounding the Decware Se84sc
  86. Rogers Cadet III Schematics
  87. OTL amp help
  88. most simple design
  89. modify eagle el84 for guitar
  90. Please verify this circuit, is correct??
  91. EL509 vs EL519
  92. Heathkit AA-181 schematic needed
  93. EF 91 / Z77 Amp? help needed for newbie
  94. buzzing ST-70...plea for help
  95. Zen se-84cs question............
  96. Help with transformer
  97. 211 or EL34Triode?
  98. bootstrapping two SE transformers into a pp one?
  99. Gary Pimm's battery biased mosfet cccs
  100. PSU for SRPP - Voltage or Current Regulator?
  101. MC-30 rebuild, any ideas?
  102. ls-37 MM/MC RIAA Phono Amp from diyclub.biz
  103. Amorphous core transformers only work above 20KHz?
  104. Help with component layout?
  105. Output Transformer Sizing?
  106. PSU worries...
  107. 6BL7 as output tube for low power SE amp?
  108. advice for 6L6GC P-P amp
  109. need some info in a UTC s-16? anyone!
  110. 2A3 power supply transformer
  111. Hi-Bass button
  112. Searching for my first tube amp
  113. Which phono preamp ?
  114. potted transformers
  115. chokes and power supplies
  116. Heathkit A7 ?
  117. Best tweeter amp
  118. Should I use a cathode capacitor in my SE amp?
  119. Help, Just Starting Out
  120. JJ Tesla ECC99 spice model
  121. Newbie to tubes, what can they handle?
  122. Quicksilver rectifier
  123. SE amp question
  124. yaqin mc10k
  125. Hello again, plus a couple of Q`s.
  126. My first home audio amp.
  127. Boostrapping?
  128. KT88 budget- Sovtek, Valve Art, EH?
  129. Tube Bass Amp Schematic
  130. looking for schematic with 6em7 as a driver or...
  131. Multi-Channel Contol Unit
  132. TAD-EL84-STR experience?
  133. OTL question
  134. Good SET for newbie
  135. 6n1p simpl(ish) design
  136. Short list of DIY tube amps with PCBs available...
  137. Parallel feed (choke load) in output stage
  138. Few general question for starter?
  139. winding a simple PP output transformer
  140. Cats prefer 12E1's
  141. Tube vicinity heat problems(maybe?)
  142. Help me design pre-amp PS
  143. Power Amplifier With EL 34
  144. psu design problem
  145. Anyone have info about Jukka Tolonen?
  146. What do you think about this hybrid amp?
  147. Power supplies in mic tube preamps
  148. Hammond 1629SE
  149. 41 Valve Amp? vs 45
  150. DeWald M-1200
  151. Jansen Bassman 50
  152. Pilot AA-903B Tube Amp
  153. MC225 schematic needed
  154. Can you make a +/- supply with valve rectification ?
  155. Audio Innovations Series 500 problems
  156. Big, Heavy, Tube regulated Lambda Power supply
  157. Audio Note DAC Output Transformer Hookup
  158. Got some tubes, help me properly evaluate them
  159. current flow, which direction?
  160. Tube flashes upon turn on, why?
  161. Odd hum problem
  162. DHT and resistors in parallel w/ heater
  163. Presenting the "Fartbottle" deluxe.
  164. amp mod
  165. Need info about rare Siemens Cf "post tube"
  166. Tube defect - What is the problem.
  167. el84 amp
  168. VIETA A-215 Schematics
  169. 6AR6/6098 ultralinear
  170. Tube kit for beginner
  171. earthing!!!!!!!!!!
  172. Heating only one half of a double triode
  173. Quick question regarding PSU Designer II
  174. calculate +B in EL34 SE triode conect
  175. Help with driver transformer
  176. Tube buffer for a cd player
  177. VSE riaa equalizer phono stage
  178. AC or DC Heater?
  179. looking for a good valve amp to fix
  180. Best operating point for 7044 and 5687
  181. S&B TX102 and preamplier stages
  182. I need help
  183. 6AS7 Mono Block's
  184. Filter/Regulator for B+ Supply
  185. Ecf 83
  186. cheap but good SET amplifier?
  187. DRD calculator
  188. Luxkit A1020 need help!!!
  189. Sophia Electric™ 300B 2.5V Mesh Plate Tubes
  190. benifits of auto bias
  191. KR Enterprice
  192. Preamp Boards From Hong Kong
  193. earthing
  194. Best sounding medium priced EL34 tube?
  195. 6CA5 Rectifier - B2Spice Model
  196. Help needed for a 6L6 Push pull amp
  197. constant current filament regs
  198. 6SN7 Basics (Newbie)
  199. Anyone tried the EH fat bottle 6CA7?
  200. TJ Tubes
  201. My tubes are going down. HELP !!!!
  202. Tino Zottola...where are you ?
  203. Lilliput amp
  204. filament rails
  205. Ss Diodes??
  206. Tube mic preamp
  207. CCS Filament Regulators for split filaments
  208. Quicksilver 8417 power supply caps?
  209. Audio Research LS7
  210. simple valve preamp
  211. valve preamp
  212. stand by switch or not?
  213. Omega Grand 6 and which amp?
  214. Line amp to speakers
  215. a bit more bass?
  216. Output transformer application help please.
  217. 5687 pre...some problems
  218. Recommendations needed for designs of PP pentode strapped as Triode
  219. KT88 push pull noob questions (sry)
  220. Need help identifying Stromberg Carlson Amp
  221. help needed diagnosing Grounded Grid power supply
  222. Building a tube Model????
  223. EL34 best for triode strapping ?
  224. Subwoofer amp
  225. Replacing Valves
  226. help me on 845 scheme....
  227. Help valve newb salvage some old TV tubes
  228. Cathode follower distortion results
  229. Bullet Proof 6L6GC Recommendation PLEASE
  230. newbie recomendations please
  231. NOS Tubes
  232. Audio Research CA-50 tube rolling
  233. OT on Decaware SE84C-S
  234. Change PP Amp Into Phono Pre?
  235. pl84 ore el84
  236. VTL Compact 100 Monoblock x 2.
  237. Battery bias a 6SU7 in the 300b billies
  238. Speaker impedance roughly 6 ohms, 2A3 SET...
  239. B2 Spice SE tranformer parameters
  240. Determining cap values (old radio)
  241. thoughts on 300b operating points with 3k output
  242. Grounded Grid wiring question
  243. PP-Triode , PP-UL , PP-Pentode-strapped-as-Triode
  244. Found some EC8010
  245. SE PX4 or PX25 amp, anyone built one????????
  246. HAL-O Damping Instruments
  247. An intriguing 6S45P direct coupled 300B amplifier
  248. difference between Cayin and Jolida
  249. 417a line preamp help
  250. kenwood trio el84 push pull schematic

Content Relevant URLs by vBSEO 3.3.2