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. Has anyone been keeping up on the 'New Sensor' Controversy?
  2. quad esl output transformer.
  3. penta labs?
  4. transformer links
  5. EL84 auto split
  6. TOPWARD MODEL 605 operation manual & Schematic
  7. PREdator, Diff/CF linestage.
  8. Triode Electronics ??
  9. Full Bridge Amp?
  10. Tube literature on pentodes + transformers
  11. so, who made General Motor's "AUTRONIC EYE" tubes?
  12. 6DJ8 Linestage
  13. Annyone seen this problem?
  14. psu to heater on 4 el34 tubes???
  15. 6C33C-B, Reliability--A theory........
  16. Sun Audio preamps
  17. Anyone Use A Harmon/Kardon XT-2 Xformer For MC ?
  18. Carver Phono
  19. Help With 3 Channel Magnavox
  20. simulation software
  21. trickle charge psu?
  22. tube filter
  23. Holiday S-5 K-12G
  24. Couple of (newbie) tube questions...
  25. valve buffer gainclone
  26. Series wiring for heaters
  27. DIY tube cd player ?
  28. Tubes in mp3 players?
  29. Output Impedance?
  30. Hum Pot Question
  31. Which 6AQ5
  32. White flakes in rectifier tube??
  33. Bogen V20 PA Amp Schematic or ?
  34. 12a?7 in Eico HF-12
  35. Home Made Tubes?? has anyone made one, is it possible??
  36. replace 6N1P with 7308
  37. Plate choke on a line stage?
  38. Looking for datasheet
  39. 811A SET Monoblock physical layout suggestions
  40. Automated bias
  41. OTL or parafeed?
  42. Reversing mains toroids for HT
  43. 5881/6L6WGC and 12AT7WA replacement
  44. Direction for Mounting Transformers
  45. Ecf80
  46. feedback phasing
  47. Cryotubes? Cryogenically Frozen valves
  48. European Triode Festival 2005
  49. PSU capacitors
  50. Question on shared rectifier / signal tube filament windings
  51. Heathkit rebuild or...?
  52. Fisher 500B OPT/Feedback Questions
  53. Transformer selection question
  54. Grounded Grid Help
  55. EF86 penthode
  56. Any audio use for ER21A?
  57. Upgrading a sonic frontiers SFS-80
  58. Hum problem
  59. low frequency oscillation in 12B4 linestage
  60. Balanced volume control question
  61. Need Help for Power Supply for gg Preamp
  62. OTL 6c33c Ciufolli v8.2 low voltage rails
  63. Any way to extend OPT low-frequency response?
  64. RCA Phono Stage Redux
  65. About tube codes
  66. More Joules? Tube or Solid State PSU?
  67. EL34 schematic confusion
  68. 2-stage DHT: high-mu vs. interstage stepup
  69. Understanding this power supply
  70. 6V6G recommended schematic
  71. parallel CRC Filtering for B+
  72. 6v6. 6lg Gain Max Voltage
  73. More buffer questions
  74. Benchtop PS
  75. Chassis labels
  76. LM317 Regulator Problem
  77. Can I afford my SE amp ??
  78. 12B4 versus 6S4 for linestage
  79. Function Generator Probe?
  80. Otl Set?
  81. Tektronix TDS2000 series is a noisy scope
  82. vanderveen's 30W PP amp..
  83. Roberts/Akai M series amp problems
  84. What speaker to use with my tube clone
  85. What’s the best tube amplifier you can build?
  86. Cathode Follower Buffer Input Impedance
  87. EL84 as Preamp and as Crossover
  88. Wondering if Upcoming DIY design will work with Tubes? Cheap DIY Kits?
  89. EL 84 Single Ended Integrated
  90. "2 Stage" PP 7591 Amp
  91. Jolida 1301a with Mission M71 speakers?
  92. EL34 SE in 430V?
  93. EL 84 PPP/PP Class A Triode schematic
  94. Almarro A318A
  95. beckman berkley model 7360
  96. spice model for UL output transformer?
  97. Need help with my new amp
  98. Motor caps
  99. E88CC Mullard fake
  100. Anyone try sharp cutoff pentodes in a p-p output stage?
  101. 845 A2 Monoblock Project
  102. newb needs help on simple el84 amp PS
  103. Newbie's power supply woes
  104. Question about M7 Preamp
  105. Which amp to DIY as a first project?
  106. help for psu
  107. tube amp
  108. Will a 6BH6 work in an Aikido?
  109. Tubes and maximum ratings
  110. FireFly Amp Question
  111. help needed 1st tube diy
  112. Help for newbie building Toccata preamp
  113. Hybrid amp -> tube for VAS stage
  114. I recently inherited a Heathkit HO-10 monitor o-scope...
  115. Aikido tube choice
  116. Biasing pre-amp problem
  117. Help with identifying tube
  118. Off Topic Holiday Cheer
  119. Prototype preamp example
  120. PV10AL Transformer burned, help!
  121. EL34 Pentode in Push-Pull!
  122. Mcintosh MX110 repair
  123. Mains Transformer Question
  124. Loaded Question
  125. A BIG SCRATCH in my speakers? Help me please.
  126. New Production Tung Sol 6550 Tubes - Opinions
  127. Looking to build a tube integrated
  128. Which high power CCS for output stage?
  129. Using a mosfet to drop B+?
  130. drawings vs. schematics
  131. New TEK Scopes
  132. Transfos Anyone?
  133. Ripple guidelines for power supplies
  134. Mains transformer orientation
  135. AMD tube integrated tube amp
  136. Using Choke in LCRC filter in power supply
  137. Need good current sink JFET or MOSFET?
  138. Setting Up a Circuit for Testing
  139. 6H6 question
  140. Kennedy Tube Audio Website Hijacked
  141. Yet another 12B4 line stage, or is the 12B4 better than the Grounded Grid.....
  142. transformer for Philips AG9015
  143. Real McTube Help
  144. Where are the 307A / VT225 amps?
  145. Anyone have a single el84 PPP OPT?
  146. Using an old power transformer as a choke?
  147. Convergent Audio Technology SL-1 Scematics
  148. Poinz 6AQ5 Linestage
  149. microphone preamp
  150. Ticking noise, need help.
  151. Humm in my preamp...
  152. Enclosure suggestion/questions
  153. Calculating Tube Parameters +SPICE
  154. Loudspeaker for TUBE DIYer
  155. Tube ID 18R-AL1?
  156. 6l6gc Tube Drive
  157. Need a little help, TT and PC? Amp Kit?
  158. 12ax7 preamp
  159. 308/ecll800 Lorenz
  160. How did you do your Aikido?
  161. Thoughts on this 807 design
  162. Rectifier compatibilty
  163. Tube amp for biamped speaker
  164. 12ae6, 12fk6, 12fm6 diode specs
  165. Any software out there for taking the headache out of composite loadlines?
  166. Driving a single 6L6GC with 12AX7
  167. quick 50c5 to play around with
  168. A question about distortion in SE vs. PP designs:
  169. Need help on first tube amp rebuild -trans problems
  170. HAMMOND 125ESE Transformer WIRING
  171. preamp ps problem
  172. What does everybody really NEED???
  173. Marantz 7C still good today?
  174. Magnavox Chassis #196-55 Resistor Question
  175. 6BL7
  176. altec/peerless mystery amp
  177. 6gk8 triode pentode tube data
  178. Low Current Source
  179. Parallel Single-Ended Questions
  180. Tube power ratings
  181. 6DJ8 or 12xx7 for hybrid amp (Monarchy)
  182. What did I do wrong with LEGACY????
  183. seeking: tube for a SEP parallel feed like an EL84, but with a lower Ra
  184. Tube Tracer
  185. a question of tube behaviour
  186. Which tube? ECC82, 6SN7 or 6SL7
  187. oscillator
  188. The Covi Mark II Circlotron Amp
  189. HT transformers and polarity
  190. Hammond 156C - good Plate choke load??
  191. DIY pre-amp kit vote
  192. 6550 tubes
  193. Is the 6N6P a direct substitute for the 5687?
  194. SE amp using 1619 instead of 45 triode
  195. Akai M-7 Amp Schematics?
  196. asl 845 monos mods
  197. 3 stages... Two Power Supplies
  198. RCA 7094 tetrodes...
  199. KT88 push pull
  200. Tube amp fan?
  201. Ping gerd.....
  202. Need help finding Sovtel EL84M tubes
  203. Min. current draw for choke input?
  204. Passive RIAA with tubes
  205. Oscillation Mystery
  206. unison research P30K schem?
  207. Can I use a 5R4 GY in place of a 5AR4?
  208. Seeking for all Norman H. Crowhurst papers
  209. best way to elevate heater?
  210. Tube Load Line
  211. Homemade Vacuum Tube
  212. beardm70mk2-want less b+
  213. Need help with tube test data - fast
  214. Show me a schema 6Pi3C-E Push-pull
  215. Help about the 6SN7/5692 linestage
  216. Active load output stage
  217. Power supply question
  218. EL34 Triode Mode - G3 where?
  219. Is "reforming" Electrolytic Capacitors necessary?
  220. Screen grid driver for PL519?
  221. Best replacment for a 6F2
  222. Please Tell Me How To Modify And Upgrade My Music Angle 845 Amplifier?
  223. Pentode to Triode trick.
  224. 6550 making a Popping sound?
  225. Pie-eyed and puzzled...
  226. How about this schematic
  227. tube disorder
  228. PC choke in a preamp ?
  229. selective tone control
  230. time for a laugh
  231. Another New Build Pictures ( G' Amp )
  232. Help finding: 7-pin PCB socket, 90deg horizontal
  233. LC vs. CLC Theory
  234. Input transformer & volume pot
  235. MC34-B Quit working suddenly (newb)
  236. Golden Tube Audio 300B se
  237. Wanted: Pioneer sa-810 schematic
  238. se el34 finally
  239. Tube design question
  240. Marantz 8 clone build
  241. Active RIAA Eq for tubes- Brian Clark's article
  242. pre hums - even unplugged!
  243. Push Pull Preamplifier anybody?
  244. 6AN8 tube question
  245. Distortion in Fisher 800C
  246. 20% versus 43% screen tap
  247. Van der Veen transformers
  248. Want to upgrade Velleman K8020
  249. KT88 Power supply question
  250. TX coupled, pentode linestage

Content Relevant URLs by vBSEO 3.3.2