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

  1. Placing the powertransformer
  2. Tube audio periodicals
  3. PSU Question
  4. AudioInnovation 400
  5. c3g connections
  6. 6c33c-b Se
  7. tube preamp distortion
  8. What do you guys use to drill holes on chassis??
  9. S.E Problem.Urgent help Please!
  10. 6CA7, El34 or 5881?
  11. svetlana tubes
  12. 18C51 tube help!
  13. Power Tubes
  14. OTL PS question!!
  15. suggestions for the "lowest noise" pentode
  16. drd c3g/300b - help needed
  17. tubecad is back
  18. Happy birthday to tubes. Happy birthday to tubes. !
  19. Anyone used...gulp...kitparts.com?
  20. Grounding the Decware Se84sc
  21. Rogers Cadet III Schematics
  22. OTL amp help
  23. most simple design
  24. modify eagle el84 for guitar
  25. Please verify this circuit, is correct??
  26. EL509 vs EL519
  27. Heathkit AA-181 schematic needed
  28. EF 91 / Z77 Amp? help needed for newbie
  29. buzzing ST-70...plea for help
  30. Zen se-84cs question............
  31. Help with transformer
  32. 211 or EL34Triode?
  33. bootstrapping two SE transformers into a pp one?
  34. Gary Pimm's battery biased mosfet cccs
  35. PSU for SRPP - Voltage or Current Regulator?
  36. MC-30 rebuild, any ideas?
  37. ls-37 MM/MC RIAA Phono Amp from diyclub.biz
  38. Amorphous core transformers only work above 20KHz?
  39. Help with component layout?
  40. Output Transformer Sizing?
  41. PSU worries...
  42. 6BL7 as output tube for low power SE amp?
  43. advice for 6L6GC P-P amp
  44. need some info in a UTC s-16? anyone!
  45. 2A3 power supply transformer
  46. Hi-Bass button
  47. Searching for my first tube amp
  48. Which phono preamp ?
  49. potted transformers
  50. chokes and power supplies
  51. Heathkit A7 ?
  52. Best tweeter amp
  53. Should I use a cathode capacitor in my SE amp?
  54. Help, Just Starting Out
  55. JJ Tesla ECC99 spice model
  56. Newbie to tubes, what can they handle?
  57. Quicksilver rectifier
  58. SE amp question
  59. yaqin mc10k
  60. Hello again, plus a couple of Q`s.
  61. My first home audio amp.
  62. Boostrapping?
  63. KT88 budget- Sovtek, Valve Art, EH?
  64. Tube Bass Amp Schematic
  65. looking for schematic with 6em7 as a driver or...
  66. Multi-Channel Contol Unit
  67. TAD-EL84-STR experience?
  68. OTL question
  69. Good SET for newbie
  70. 6n1p simpl(ish) design
  71. Short list of DIY tube amps with PCBs available...
  72. Parallel feed (choke load) in output stage
  73. Few general question for starter?
  74. winding a simple PP output transformer
  75. Cats prefer 12E1's
  76. Tube vicinity heat problems(maybe?)
  77. Help me design pre-amp PS
  78. Power Amplifier With EL 34
  79. psu design problem
  80. Anyone have info about Jukka Tolonen?
  81. What do you think about this hybrid amp?
  82. Power supplies in mic tube preamps
  83. Hammond 1629SE
  84. 41 Valve Amp? vs 45
  85. DeWald M-1200
  86. Jansen Bassman 50
  87. Pilot AA-903B Tube Amp
  88. MC225 schematic needed
  89. Can you make a +/- supply with valve rectification ?
  90. Audio Innovations Series 500 problems
  91. Big, Heavy, Tube regulated Lambda Power supply
  92. Audio Note DAC Output Transformer Hookup
  93. Got some tubes, help me properly evaluate them
  94. current flow, which direction?
  95. Tube flashes upon turn on, why?
  96. Odd hum problem
  97. DHT and resistors in parallel w/ heater
  98. Presenting the "Fartbottle" deluxe.
  99. amp mod
  100. Need info about rare Siemens Cf "post tube"
  101. Tube defect - What is the problem.
  102. el84 amp
  103. VIETA A-215 Schematics
  104. 6AR6/6098 ultralinear
  105. Tube kit for beginner
  106. earthing!!!!!!!!!!
  107. Heating only one half of a double triode
  108. Quick question regarding PSU Designer II
  109. calculate +B in EL34 SE triode conect
  110. Help with driver transformer
  111. Tube buffer for a cd player
  112. VSE riaa equalizer phono stage
  113. AC or DC Heater?
  114. looking for a good valve amp to fix
  115. Best operating point for 7044 and 5687
  116. S&B TX102 and preamplier stages
  117. I need help
  118. 6AS7 Mono Block's
  119. Filter/Regulator for B+ Supply
  120. Ecf 83
  121. cheap but good SET amplifier?
  122. DRD calculator
  123. Luxkit A1020 need help!!!
  124. Sophia Electric™ 300B 2.5V Mesh Plate Tubes
  125. benifits of auto bias
  126. KR Enterprice
  127. Preamp Boards From Hong Kong
  128. earthing
  129. Best sounding medium priced EL34 tube?
  130. 6CA5 Rectifier - B2Spice Model
  131. Help needed for a 6L6 Push pull amp
  132. constant current filament regs
  133. 6SN7 Basics (Newbie)
  134. Anyone tried the EH fat bottle 6CA7?
  135. TJ Tubes
  136. My tubes are going down. HELP !!!!
  137. Tino Zottola...where are you ?
  138. Lilliput amp
  139. filament rails
  140. Ss Diodes??
  141. Tube mic preamp
  142. CCS Filament Regulators for split filaments
  143. Quicksilver 8417 power supply caps?
  144. Audio Research LS7
  145. simple valve preamp
  146. valve preamp
  147. stand by switch or not?
  148. Omega Grand 6 and which amp?
  149. Line amp to speakers
  150. a bit more bass?
  151. Output transformer application help please.
  152. 5687 pre...some problems
  153. Recommendations needed for designs of PP pentode strapped as Triode
  154. KT88 push pull noob questions (sry)
  155. Need help identifying Stromberg Carlson Amp
  156. help needed diagnosing Grounded Grid power supply
  157. Building a tube Model????
  158. EL34 best for triode strapping ?
  159. Subwoofer amp
  160. Replacing Valves
  161. help me on 845 scheme....
  162. Help valve newb salvage some old TV tubes
  163. Cathode follower distortion results
  164. Bullet Proof 6L6GC Recommendation PLEASE
  165. newbie recomendations please
  166. NOS Tubes
  167. Audio Research CA-50 tube rolling
  168. OT on Decaware SE84C-S
  169. Change PP Amp Into Phono Pre?
  170. pl84 ore el84
  171. VTL Compact 100 Monoblock x 2.
  172. Battery bias a 6SU7 in the 300b billies
  173. Speaker impedance roughly 6 ohms, 2A3 SET...
  174. B2 Spice SE tranformer parameters
  175. Determining cap values (old radio)
  176. thoughts on 300b operating points with 3k output
  177. Grounded Grid wiring question
  178. PP-Triode , PP-UL , PP-Pentode-strapped-as-Triode
  179. Found some EC8010
  180. SE PX4 or PX25 amp, anyone built one????????
  181. HAL-O Damping Instruments
  182. An intriguing 6S45P direct coupled 300B amplifier
  183. difference between Cayin and Jolida
  184. 417a line preamp help
  185. kenwood trio el84 push pull schematic
  186. Any comments on this design?
  187. Amp for speaker testing
  188. Shielding preamp power supply
  189. Troubleshooting EL34 push pull amp
  190. amp input volume
  191. What Mullard 12AX7 is better?
  192. Universal audio / Avalon mic pre schematics
  193. Since transconductance amps has become so popular lately...
  194. Mecanical PSU hum
  195. help i.d. this amplifier
  196. Question about a hybrid PSU design
  197. 35Z5GT half-wave rectifier
  198. Riviera 725 guitar tubes amp
  199. Best place to use 2 Jupiter Bee caps in tube amp?
  200. what rating for diode of 450Volts DC
  201. Telefunken 6L6GC ???????
  202. Why are my amps doing this?
  203. How to calculate the gain of an input-driver stage?
  204. 6L6 vs EL34
  205. protect your amps
  206. Snap Ring Octal Sockets
  207. Suitable operating point for 6SN7 as a differential driver ?
  208. Suitable rectifier
  209. 6N1P & SV83 mu stage driving 845?
  210. Has anyone built a transformer coupled preamp?
  211. Circuit diagram for RCA vintage 6BQ5 amplifier?
  212. Driver valve discussion
  213. Help to choose the tubes!
  214. Why hum in one channel only?
  215. DC heater noise WORSE than AC
  216. Rdh 4
  217. 900v B+ Silly time.
  218. tube rectifier arrangement
  219. Matrix Amp?
  220. Dynaco Stereo 70 amplifier
  221. Ultimate power switch?
  222. AC or DC current for 300B and 2A3 tube filaments ?
  223. 0.1uF @ 3000V Ceramic?
  224. Power Triodes in current production
  225. Anyone in the world identify eico trans?
  226. Mullard 5-20 in triode mode
  227. THX certification, or integrated near THX Quality,
  228. Feedback resistor on Baxandall tone stack?
  229. SE Pentode or PP Triode ?
  230. how does one "voice" a tube amp
  231. Musical fidelity Nu-Vista
  232. Tube substitutions in Heathkit W5M
  233. PSUD2 question
  234. 6L6 class A P-P CFB amp
  235. i have a matched pair of 3cx1000a7..
  236. Different silvering patterns on tube tops?
  237. Designing Guitar Amp's Project
  238. Help with amp rebuild
  239. Mystery (to me) phase inverter?
  240. Biasing
  241. SE KT88 Amp
  242. Good design?
  243. Auto Biasing
  244. nuvistor MC step up
  245. Corian for tube amp?
  246. 6AQ5 Line stage?
  247. 6550 o/p stage
  248. Help with finding preamp schematic
  249. AVO data for 8417 (Quicksilver) tubes
  250. Any experience with this nice toroidal OT?

Content Relevant URLs by vBSEO 3.3.2