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

  1. Sub-Miniature Tube Amplifier
  2. Burned out power tube
  3. www.agora.lesina.org
  4. suggestions for a rectifier
  5. scott 222 recap issues
  6. Adcom integrated/tube amp project
  7. Auricaps - 400V vs 450V (SimpleSE)
  8. ratings of output transformer???
  9. Class-g / class-h
  10. Cascading gain stages in a tube preamp
  11. OT impedances calculations: where's my mistake??
  12. phase splitting transformers
  13. 6L6 PPP UL amp
  14. g2 driven tubes
  15. Selecting an IT impedance
  16. preamp get a hum when volume is at full or 80% is thier away to stop it??
  17. What can you replace the 12AU7A with???
  18. My 12AX7 zero negative feedback preamp, with measurement
  19. improving the Transcendentsound GGP preamp
  20. Check out my new Phono stage
  21. load line UL v.s. triode
  22. Line-Stage w/ balanced output
  23. Dropped a SIF Ba
  24. RCA logos and boxes
  25. Type 24 or 24a for linestage..?
  26. Line output as line input transformer?
  27. Siemens codes
  28. Moskidos on the way.
  29. Another transformer question
  30. KT88 Push-Pull
  31. 45 -> 813 Interstage
  32. Ulyanov currently manufacturing the 6c33C?
  33. Is PSU Designer II correct?
  34. How much weight can the Hammond chassis hold?
  35. Inner detail, as opposed to?
  36. Power Transformer for 6V6 SE Amp Question
  37. Can this schematic work? 6N6P driver with 6C33C-B OTL
  38. Tube rating
  39. Best driver for KT88 Triode SE.
  40. Unusual tubes to drive a JAN 829B
  41. LTP w/CCS tail and plate loads
  42. EL86 OTL
  43. 300B shootout
  44. Stay tuned for the Pass F4 tube preamp
  45. 6j4 oscillating?
  46. My 6N23P tubes
  47. Tone linestage idea
  48. SimpleSE amp: multiple taps with cathode feedback
  49. 7W enough for 90dB speakers?
  50. Meaning of "hard to drive"
  51. Plate load resistor question
  52. BWD 216a power supply circuit needed, please help
  53. 1st DIY project in a loooooong time
  54. Another AG9016 "addict"
  55. angela EL34 improvement and mods
  56. $120 battery powered tube amp on eBay??
  57. Help with 6AQ5 schematics
  58. 5691 black base?
  59. DIY vacuum tubes!
  60. Replacing 5-pin DIN inputs on a Telefunken Radio? +weird speaker output?
  61. working out Z out for tube with IXYS IXP10M45S plate load
  62. Review of New S-5 K-16LS Kit
  63. Dumb question.
  64. Suggest KT88 Push-Pull schematics, please.
  65. AIKIDO: Main Thread???
  66. 10Y/45 schematic wanted
  67. Dynaco ST-70 Kits Compaired FYI
  68. Mini amp using 12AU7's as power tubes?
  69. Quick question about star grounding
  70. 3K or 5K OPT in EL35 SimpleSE?
  71. Bogen L60 schematic
  72. k-12
  73. Suggestion on tube for CCS
  74. Whats the model for this?
  75. ECL 82 schematic to suggest
  76. Andrea Ciuffoli's KT88 PP
  77. Looking for comments on Welborne Labs PS10 reg. HT supply
  78. Thoughts and suggestions needed.
  79. PSU shunt capacitor selection
  80. Looking for comments in my first 300B project
  81. Transformer Coupling Questions
  82. ECL82 power supply question
  83. CGV-300B Amp Results...Fun.
  84. power transformer rating and tube current - SimpleSE
  85. Ping Drummerwill.
  86. Taking a Hammond 369BX filament winding to the limit?
  87. Speaker connect: Speakon or banana
  88. 50k or 100k output impedance.
  89. Need help remembering the name of a hybrid amplifier design book
  90. Measuring Output Impedance of Power Supply
  91. knob with long end for alpha pots
  92. IT tutorial n selection
  93. Anybody help identify these tubes
  94. CT wire -quick question
  95. New Amplifier
  96. Master Volume for Active Tube Crossover?
  97. Tube lifetime
  98. Raleigh Audio Preamp - somebody heard ?
  99. Mikael Abdellah SE KT88 ideas and questions
  100. Bogen CHB-35 to conversion to B-12/B-15
  101. Melos triode 200+ looking for spare parts
  102. Opinions on integrated amp project
  103. 6AL5 for clipping diodes?
  104. Confusion over Knight 600 tester numbers
  105. 12AU7A: I need fuzz, overdrive and distortion schematic
  106. 12AT7 vs 12AU7 (interchangeable?)
  107. Angela Electronics - Customer Service
  108. PAS visits the naughty side of town (red lit)
  109. Summing at the LTPI
  110. Test of ECC81 to 83
  111. Was this already posted here? Handmade tubes video
  112. Twist dc filament wire?
  113. Power transformer: How Big?
  114. Heater supply options and to Vhk rating of 6X4 & 6203
  115. Hammond 125ESE and sections
  116. 6P15P hybrid amp schema?
  117. Switching voltage converter for HV supply
  118. VT4C output transformer
  119. Sound Multiplex Amp
  120. Suggestions needed for improving Rogers Cadet II PP power amplifier
  121. Adjustable Line out off of Extra Speaker Jack
  122. Transcendere Audio
  123. Wrong capacitors!
  124. 6LW6 operating points
  125. ?? xmer specs for Scott LC 21 or 130 Preamp for rewind...
  126. Loctal 6SN7?
  127. Need some help with simulation
  128. output tranny for 6AK6
  129. What tubes for 7K6PP X-former
  130. Ham radio op makes his own triodes
  131. Newbie looking for some advice on mods and tubes for Cayin TA-30
  132. Power Transconductance Amp with Tubes, How?
  133. using the 6BX7 at low'ish current in Aikido
  134. What preamp should I build?
  135. Transformer hookup question.
  136. Home made vacuum tubes
  137. My New EL84 PP
  138. Hammond power transformer fillament rating
  139. Need help with a Russian Triode
  140. TRAFO NEEDED FOR EL84 pp
  141. Difference between 6JN6 (Berning output) and 6JB6 tubes?
  142. 2A3 SE Amp
  143. Soldering tubes directly to PCB?
  144. pa amp distortion at low volume
  145. Potted transformers
  146. if this can works...
  147. Differential scope probes?
  148. Fisher X100B Iron
  149. Solid state power suppy for CAT SL-1
  150. Help with wiring a Hammond Power Transformer
  151. User manual for GTA SE-40 Tube Amp ?
  152. tube caps that fit.. anyone?
  153. Heater wires through conduit
  154. Wanted - Svet Sk4A bases
  155. AC Characteristics of Glow Tubes?
  156. Bargain Used Transformers: Where?
  157. Top cap tube users: pics of your amps?
  158. Question
  159. „New“ Pentode – measuring resistance between grids G2 and G3 – any idea?
  160. Audio Transformers 101
  161. Thinking about having a 211 SET amp built, anyone know of good schematics?
  162. 4-65A Triode curves?
  163. Tube projects
  164. Push-Pull Cathode Bias Resistors
  165. Opinion on 300B SETs
  166. So how tattered is your Morgan Jones?
  167. Friend wants to buy a nice tube preamp
  168. Large Oil Capacitors
  169. Too awesome for words
  170. M65 stereo preamp question
  171. nasty buzz in old 35EH5 amp
  172. 6C33C tube stamp
  173. Question about VTV 6SN7 Schematic
  174. Simple Magic Eye Circuit Wanted
  175. Mute circuit on sonic frontier line one
  176. Data point software?
  177. MingDa MC-3R / icon audio la3 preamp mods
  178. Biasing
  179. Compactron characteristic curves?
  180. Analog Metric grounded grid preamp kit
  181. Possible group buy of Lundahl input/phase splitter transformers.
  182. Audio Measurements
  183. B/A 20-4 tube mono block??
  184. Strange find.. help ID?
  185. 813 Thoughts
  186. External 12V heater supply conversion question
  187. My Latest Acquisition
  188. 50/60/whatever cycle hum
  189. OEP input transformers. Anyone used ??
  190. Restack transformer from PP to SE
  191. Se 807??
  192. Min 9-pin or 7-pin sockets to fit octal-sized holes?
  193. Question about phono preamp schematic
  194. Lectron JH50 unknown parts?
  195. Fostex or Car Speakers for My Tube Car Amp
  196. schematics? (also some questions)
  197. Regulated Power Supply. Bipolar, JFET or MOS?
  198. UL to triode mode conversion on cathode bias amp-different cathode resistors needed?
  199. Blown up resistor in S-5 amp kit...
  200. EZ80 or 81
  201. Gun or Iron?
  202. Shanling SP-80C Problem - DC Spikes?!
  203. Need some advice on a LTP input stage.
  204. CAT 110V to 220 V conversion
  205. When is a compactron not a compactron?
  206. Looking for big Ni lams
  207. Three PP KT88 designs. Which one ... (please;-)
  208. EAR 834P needing repair
  209. Toasted PW tranformer?
  210. Tube Cad from Glass-Ware questions
  211. U-links for earthing
  212. Supreme 45 tube amp
  213. Boxing Day Special
  214. Look what Santa brought!
  215. Soft Start for Tubes
  216. Need help to check out this preamp schematic.
  217. What dimensions for perforated AL sheet?
  218. NC pins on submin tubes
  219. Cheap alternative to EF86
  220. MOSFET follower driver oscillation
  221. Hi-Fi system build
  222. Car Tube Amp
  223. Tube Identification
  224. Supratek schematics?
  225. Choice of OTL output capacitors
  226. Feedback scheme.
  227. Christmas Eve
  228. Best tubes for Scott 222
  229. HH Scott 222 speaker recommendations and upgrades
  230. mixing coupling cap types
  231. Transformer chassis layout
  232. SimpleSE / Edcor CXSE OPT
  233. Star ground help
  234. What causes my 0D3 to extinguish?
  235. converting UL in triode
  236. Beyer Dynamic BV35570
  237. Lundahl LL1527 phase-splitter
  238. Morgan Jones HPA ...strange startup behaviour
  239. Best Sounding Phono Input Tube
  240. We417+300b
  241. class-A PP amplifier with 2x 845 question
  242. Kismet-300B-amp
  243. Will differential share the same THD characteristics as SE, if same triode is used?
  244. The biggest bunch of tubes ever seen
  245. DHT AC Filament Noise
  246. augmented cathode follower?
  247. Tube amp find in old theater
  248. Is there a better amp kit????
  249. figuring amplification factor of a tube
  250. SE 6l6

Content Relevant URLs by vBSEO 3.3.2