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

  1. quad esl output transformer.
  2. penta labs?
  3. New Build (Guitar Amp)
  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. tubes: Jcm 900 Slx 50watt
  43. Reversing mains toroids for HT
  44. 5881/6L6WGC and 12AT7WA replacement
  45. Direction for Mounting Transformers
  46. Ecf80
  47. feedback phasing
  48. Cryotubes? Cryogenically Frozen valves
  49. European Triode Festival 2005
  50. PSU capacitors
  51. Question on shared rectifier / signal tube filament windings
  52. Heathkit rebuild or...?
  53. Fisher 500B OPT/Feedback Questions
  54. Transformer selection question
  55. Grounded Grid Help
  56. EF86 penthode
  57. Any audio use for ER21A?
  58. Upgrading a sonic frontiers SFS-80
  59. Hum problem
  60. low frequency oscillation in 12B4 linestage
  61. Balanced volume control question
  62. Need Help for Power Supply for gg Preamp
  63. OTL 6c33c Ciufolli v8.2 low voltage rails
  64. Any way to extend OPT low-frequency response?
  65. RCA Phono Stage Redux
  66. About tube codes
  67. More Joules? Tube or Solid State PSU?
  68. EL34 schematic confusion
  69. 2-stage DHT: high-mu vs. interstage stepup
  70. Understanding this power supply
  71. 6V6G recommended schematic
  72. parallel CRC Filtering for B+
  73. 6v6. 6lg Gain Max Voltage
  74. More buffer questions
  75. Benchtop PS
  76. Chassis labels
  77. LM317 Regulator Problem
  78. Can I afford my SE amp ??
  79. 12B4 versus 6S4 for linestage
  80. Function Generator Probe?
  81. Otl Set?
  82. Tektronix TDS2000 series is a noisy scope
  83. vanderveen's 30W PP amp..
  84. Roberts/Akai M series amp problems
  85. What speaker to use with my tube clone
  86. What’s the best tube amplifier you can build?
  87. Cathode Follower Buffer Input Impedance
  88. EL84 as Preamp and as Crossover
  89. Wondering if Upcoming DIY design will work with Tubes? Cheap DIY Kits?
  90. EL 84 Single Ended Integrated
  91. "2 Stage" PP 7591 Amp
  92. Jolida 1301a with Mission M71 speakers?
  93. EL34 SE in 430V?
  94. EL 84 PPP/PP Class A Triode schematic
  95. Almarro A318A
  96. beckman berkley model 7360
  97. spice model for UL output transformer?
  98. Need help with my new amp
  99. Motor caps
  100. E88CC Mullard fake
  101. Anyone try sharp cutoff pentodes in a p-p output stage?
  102. 845 A2 Monoblock Project
  103. newb needs help on simple el84 amp PS
  104. Newbie's power supply woes
  105. Question about M7 Preamp
  106. Which amp to DIY as a first project?
  107. help for psu
  108. tube amp
  109. Will a 6BH6 work in an Aikido?
  110. Tubes and maximum ratings
  111. FireFly Amp Question
  112. help needed 1st tube diy
  113. Help for newbie building Toccata preamp
  114. Diy Orange guitar amp
  115. Hybrid amp -> tube for VAS stage
  116. I recently inherited a Heathkit HO-10 monitor o-scope...
  117. Laney PA amp help!
  118. Aikido tube choice
  119. Biasing pre-amp problem
  120. Help with identifying tube
  121. Off Topic Holiday Cheer
  122. Prototype preamp example
  123. PV10AL Transformer burned, help!
  124. EL34 Pentode in Push-Pull!
  125. Mcintosh MX110 repair
  126. Mains Transformer Question
  127. Loaded Question
  128. A BIG SCRATCH in my speakers? Help me please.
  129. New Production Tung Sol 6550 Tubes - Opinions
  130. Looking to build a tube integrated
  131. Which high power CCS for output stage?
  132. Using a mosfet to drop B+?
  133. drawings vs. schematics
  134. New TEK Scopes
  135. Transfos Anyone?
  136. Ripple guidelines for power supplies
  137. Mains transformer orientation
  138. New Nightmare (Guitar Amp)
  139. AMD tube integrated tube amp
  140. Using Choke in LCRC filter in power supply
  141. Need good current sink JFET or MOSFET?
  142. Setting Up a Circuit for Testing
  143. 6H6 question
  144. Kennedy Tube Audio Website Hijacked
  145. Yet another 12B4 line stage, or is the 12B4 better than the Grounded Grid.....
  146. transformer for Philips AG9015
  147. Real McTube Help
  148. Where are the 307A / VT225 amps?
  149. Anyone have a single el84 PPP OPT?
  150. Finished First Guitar Amp
  151. Using an old power transformer as a choke?
  152. Convergent Audio Technology SL-1 Scematics
  153. Poinz 6AQ5 Linestage
  154. microphone preamp
  155. Ticking noise, need help.
  156. Humm in my preamp...
  157. Enclosure suggestion/questions
  158. Calculating Tube Parameters +SPICE
  159. Loudspeaker for TUBE DIYer
  160. Tube ID 18R-AL1?
  161. 6l6gc Tube Drive
  162. Need a little help, TT and PC? Amp Kit?
  163. 12ax7 preamp
  164. 308/ecll800 Lorenz
  165. How did you do your Aikido?
  166. Thoughts on this 807 design
  167. Rectifier compatibilty
  168. Tube amp for biamped speaker
  169. 12ae6, 12fk6, 12fm6 diode specs
  170. Any software out there for taking the headache out of composite loadlines?
  171. Driving a single 6L6GC with 12AX7
  172. quick 50c5 to play around with
  173. A question about distortion in SE vs. PP designs:
  174. Need help on first tube amp rebuild -trans problems
  175. HAMMOND 125ESE Transformer WIRING
  176. preamp ps problem
  177. What does everybody really NEED???
  178. Marantz 7C still good today?
  179. Magnavox Chassis #196-55 Resistor Question
  180. 6BL7
  181. altec/peerless mystery amp
  182. 6gk8 triode pentode tube data
  183. Low Current Source
  184. Parallel Single-Ended Questions
  185. Tube power ratings
  186. 6DJ8 or 12xx7 for hybrid amp (Monarchy)
  187. What did I do wrong with LEGACY????
  188. seeking: tube for a SEP parallel feed like an EL84, but with a lower Ra
  189. Tube Tracer
  190. a question of tube behaviour
  191. Which tube? ECC82, 6SN7 or 6SL7
  192. oscillator
  193. The Covi Mark II Circlotron Amp
  194. HT transformers and polarity
  195. Hammond 156C - good Plate choke load??
  196. Music Man sixtyfive reverb head needs help!
  197. DIY pre-amp kit vote
  198. 6550 tubes
  199. Is the 6N6P a direct substitute for the 5687?
  200. SE amp using 1619 instead of 45 triode
  201. Akai M-7 Amp Schematics?
  202. asl 845 monos mods
  203. 3 stages... Two Power Supplies
  204. RCA 7094 tetrodes...
  205. KT88 push pull
  206. Tube amp fan?
  207. Ping gerd.....
  208. Need help finding Sovtel EL84M tubes
  209. Min. current draw for choke input?
  210. Passive RIAA with tubes
  211. Oscillation Mystery
  212. unison research P30K schem?
  213. Can I use a 5R4 GY in place of a 5AR4?
  214. Seeking for all Norman H. Crowhurst papers
  215. best way to elevate heater?
  216. Tube Load Line
  217. Homemade Vacuum Tube
  218. beardm70mk2-want less b+
  219. Need help with tube test data - fast
  220. Show me a schema 6Pi3C-E Push-pull
  221. Help about the 6SN7/5692 linestage
  222. Active load output stage
  223. Power supply question
  224. EL34 Triode Mode - G3 where?
  225. Is "reforming" Electrolytic Capacitors necessary?
  226. Screen grid driver for PL519?
  227. Best replacment for a 6F2
  228. Please Tell Me How To Modify And Upgrade My Music Angle 845 Amplifier?
  229. Pentode to Triode trick.
  230. 6550 making a Popping sound?
  231. Pie-eyed and puzzled...
  232. How about this schematic
  233. tube disorder
  234. PC choke in a preamp ?
  235. selective tone control
  236. time for a laugh
  237. Another New Build Pictures ( G' Amp )
  238. Help finding: 7-pin PCB socket, 90deg horizontal
  239. LC vs. CLC Theory
  240. Input transformer & volume pot
  241. MC34-B Quit working suddenly (newb)
  242. Golden Tube Audio 300B se
  243. Wanted: Pioneer sa-810 schematic
  244. se el34 finally
  245. Tube design question
  246. Marantz 8 clone build
  247. Active RIAA Eq for tubes- Brian Clark's article
  248. pre hums - even unplugged!
  249. Push Pull Preamplifier anybody?
  250. 6AN8 tube question

Content Relevant URLs by vBSEO 3.3.2