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. Got a big output trafo I want to use.
  2. building S5 k-amp
  3. EL84 max power for HiFi Amp
  4. Question about cathode bypass capacitor:
  5. Curcio Daniel II builders?
  6. 13E1 SE design
  7. Booster Amp for low powered SET
  8. Soft starting the rectifier
  9. Tube preamp components help
  10. My own version of the EAR 834P Clone
  11. Eico HF86 modifications
  12. Heaters and centre tap
  13. DHT's, fixed bias, sharred filament supply
  14. Do New JJ GZ34's have less B+ Drop?
  15. Grounded, Floating, or Thermistor-To-Case for Center Tap
  16. Hi, looking for some info on tube amplifier design basics
  17. Nifty little (cheap ) transformer for bias supply
  18. Problems with my ARC VT 130SE
  19. Telefunken V69B - Tube Amp
  20. HV Regulator
  21. EL95 mini SE
  22. NOS vs. Chinese Plate Caps
  23. TL783 regulated B+ 250V PSU schematic
  24. Tube buffer for electronic keyboards used in a band?
  25. 6922 tube buffer
  26. 300B grid resistance
  27. 6AU6 Aikido in Triode mode?
  28. brown crud?
  29. Steve Bench's tube crossover
  30. Bogen M120 bass guitar amp coversion
  31. Wierd striation on 6L6GC plate
  32. LT1085-based regulated 6.3v heater supply
  33. Are these tubes cooked?
  34. New Build Power Up Advice
  35. Mic pre idea
  36. Choosing the right mullard design to match the Foreplay III and Ariels
  37. Dumb question on Coupling cap ratings...
  38. European Triode Festival 2008 - couple of seats left
  39. Building PRETOR toroid preamp
  40. ACT2 - ConradJohnson by 818design
  41. PS questions?
  42. Frank's Tube Database Down?
  43. Anybody try Euro DHTs like RE134, RE304 etc??
  44. Need help...again :)
  45. idea for a simple bias servo for AB PP
  46. GU-32/GI-30 tube PP amp
  47. Switch-mode PSU for tube heaters?
  48. Hammond Primary Lead color is wrong?
  49. A newbie need helps on the very 1st tube PreAmp
  50. why does 12u7 need certain amount of gain to stop hum 120???
  51. EL34 Pushpull imbalance
  52. Tube Preamp Popping on Source Input Change (?) / 6DJ8 Preamp On Chip Amps
  53. Rozenblit Grounded Grid Cascode Pho Preamp Project
  54. Driving the kt88/6550 in set mode
  55. 6550a question for engineer?
  56. Yl1260
  57. Parts layout diagram for SE amp
  58. Da 42 Triode
  59. Bogen CHB100 Power Supply Question
  60. Testing of russian tubes on B&K 747B
  61. VR150 use
  62. First Valve DIY Project
  63. I'm having grid1 current in EL34
  64. anyone ever built a tube mixer similar to the RCA Living Stereo type??
  65. SEPTOR AT-amp (Anti-Triode) being built
  66. Sophia Electric el34 mods/upgrades
  67. Looking to build....
  68. Bias resistor for source follower driver
  69. PL 519 electrical characteristics
  70. Settings for testing 2C51/5670/396A on B&K Model 600 Dyna Quik
  71. My 6AS7G Fuse Link Checker
  72. Anyone ever had issues with One Electron?
  73. 35% off sale at RadioDaze
  74. phase splitter with Tr ?
  75. Chasing my Simple SE problem...
  76. Zenith stereo, EL84 SE. What to do...
  77. Free TVA-1 rev.3 schematic
  78. Bat Vk-60
  79. Trouble with amp 6V6
  80. 5-125 UL curves anyone?
  81. Mod it or scrap it?
  82. Bogen M330
  83. 1st Tube Amp - What to build?
  84. 6J5 weird phase inverter
  85. swinging CCS PP output stage
  86. Varying 2 tube amp characteristics: SE treble and richness
  87. Jadis Defy 7 Schematic
  88. microphonic sub-miniature tubes?
  89. Transformer distortion (THD)
  90. Options for replacing EF86? E180F?
  91. changing an integrated tube amp to a power amp
  92. Nice tube test supply
  93. Looking for 300B 2.5V heater vendor
  94. Cap to bypass bias battery
  95. 2A3 SE parafeed with PP-transformer
  96. Preamp Voltages
  97. TVA-1 "Export" circuit/schematic?
  98. 12ax7 series is this correct??
  99. Yet Another Phono Stage Suggestions Thread
  100. 15% off sale at Soniccraft
  101. Bias Mode Switching Question (guitar Amp)
  102. Sizing Coupling Capacitors
  103. budget xformer for 829B pentode mode PP (class AB) ?
  104. preamp layout suggestions please
  105. Capacitors and hype!
  106. Transofrmer secondaries
  107. please help 407a
  108. OPT Grounding / Crosstalk
  109. SE With shared Rk in output
  110. Unsolved problem EL34/12AT7/5AR4
  111. Radford STA25 service UK
  112. My tube DIY Web page, translate into English
  113. suggestion about AIKIDO PRE
  114. jackson tube tester 648s manuals
  115. Hashimoto A-105 - 6S4A
  116. Looking For Counterpoint SA2000 Schematic
  117. Where do you put the standby switch
  118. Simple SE Schematic
  119. Operating point for 6GK5
  120. Audio Research St-70-c3
  121. Help identifying tube amp
  122. Ed8000
  123. power suply for Pre & Phono Use tube 6BM8
  124. ESLDD with "anti-triode"
  125. Schematics border patrol psu
  126. Tubelab PCBs for an 845 - a good idea?
  127. Bias supply idea
  128. dynaco st 70 c3
  129. KT88 and the 6550
  130. crate vintage club problem
  131. GM70/GM70 parafeed SET?
  132. Genalex repro KT88s
  133. Grid - Screen Alignment (X-Rays)
  134. tube matching
  135. DC heaters for 5687 in Aikido?
  136. Connection Jensen 4-pole
  137. Measuring Output Power
  138. Modelling stereo PSU in PSUD ...
  139. Speaker matching transformer.
  140. Sowter's Radford transformer
  141. Cathode bias 6LU8 UL/Triode
  142. Cathode bias 6LU8 UL/Triode
  143. Sourcing ASC 100uf X386S capacitor
  144. Looking for a linear triode for lowish B+ CF (6N6P?)
  145. need spice model 5814a
  146. 420T or 10E/33B ?????????
  147. Decca DMI-73 and EL-84 weirdness
  148. DIY JTM 45/100 Style Guitar Amp
  149. Pentode guys: important to decouple g2 supply between stages?
  150. Ccs
  151. The Friday Chuckle
  152. Need help deciding what to build
  153. Why does red plate spell early death?
  154. Odd transformer with 6X4 tube mounted on top.. smoking more than my uncle Frank
  155. fisher 400 tweaking issues
  156. GM70 an 813 strapped in SE-UL - circuits?
  157. need help on transformer secondaries connection
  158. Partridge audio output transformer value
  159. Low mu Preamp Triodes as Power Output Tubes
  160. 300B Transformer temperature
  161. Standby Switch Problems
  162. Worth repairing?
  163. Measuring current distortion
  164. GM70 sockets?
  165. high AC mains problem
  166. 250 V PSU help
  167. EL34 UL Curves
  168. datasheet for ge 5star and rca command 5814a?
  169. PS choke voltage/current quetsion
  170. push pull power amp design question (a lot of actually :) )
  171. Knight Amplifier Repair Question
  172. Grant G100AS circuit diagram?
  173. Hashimoto A-105 - summary so far
  174. Related Audio Worlds largest
  175. Why do valves go microphonic?
  176. Allen Wright Superreg manual
  177. Need help on resistor values for 5687 aikido kit
  178. Pioneer SM83 PP amps
  179. Techtube valves/tubes
  180. Datasheet for Russian 6p3s-e
  181. Continually Blowing Fuses
  182. I am done with AES -- a short rant.
  183. CineMag CMMI-15/15B
  184. In market for a Capacitor meter - for a tube project!
  185. What amp(s) would you buy under $1500
  186. Etf 2008
  187. All FET Aikido
  188. what 12au7 have different tone ??vintage and modern
  189. Can 3.5W 2A3 amp drive proAc 1SC?
  190. British seven pin sockets
  191. Pentodes, triode mode and grid screen dissipation 101
  192. Yakov Aronov amps
  193. Suitable tube pre-amp for Phase Linear 400?
  194. Goldpoint value?
  195. TubelabSE 300B power transformer ?
  196. 316A socket
  197. Hashimoto A105 - some results (ECC99)
  198. Some uses for old transformers
  199. Power Supply Question
  200. PY82 as rectifier
  201. Jackson 637 Tube tester Info needed
  202. pro-ject tube box
  203. Some dumb Questions on Heater CCS supply
  204. Aikido loses power?
  205. Quicksilver 8417/12FQ7 mods
  206. Calculations for an AIKIDO
  207. Music Angel Empty shells
  208. Enclosure for tube amp/speaker/reverb unit
  209. Need help troubleshooting preamp trouble
  210. Compactrons on the brain!
  211. XSE vs. GSXE Edcors
  212. output transformer
  213. How to simulate OPT in LTspice?
  214. 311-b
  215. PSU Design help !!!
  216. BDT Preamp build
  217. Russian tubes / capacitors purchasing
  218. Bored with Leak ST20 - ideas?
  219. KT-88 Music Angel problems with sound level
  220. Fusion Hybrid 300B
  221. I'm new here..... :(
  222. DIY/Buy/Kit
  223. Ralph from Atma-sphere will be giving a talk 09/16
  224. Modified USB DAC board, DDDAC with triode buffer
  225. LS50/GU50 Both Grid Drive
  226. Aikido filament question
  227. 6l6 Se.
  228. Feedback requested on 7591 PP design
  229. Blackburn Mullard/Philips video
  230. DIY sheilded B+ cable
  231. Experimenters Tube Sockets
  232. Used freebies precipitate questions
  233. Mains toroid as IT with DC balance?
  234. Tubes for Viva Solista 845 SET amp
  235. SE transformer for PP duty?
  236. Warning: new SS relay question / No flame I
  237. Tube Haunts Thread?
  238. Problem with Maida regulator
  239. 2 stage SE IT coupled amps..
  240. BUF420M Current Sink
  241. Direct from the mains?
  242. PSU capacitors: 30uF film ok instead of 100uF electrolytic?
  243. Annealed silicon core opt`s
  244. Designing a "cheap" highish-power PP amp...
  245. Improvements for the Mikael Abdellah KT88???
  246. DC supply on driver tube hums..
  247. Sun Audio SV-2A3
  248. Mullard Blackburn Tube Factory Tour Video
  249. SE amp: Please suggest a better operating point
  250. Paralleling Outputs or Bi-amp

Content Relevant URLs by vBSEO 3.3.2