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

  1. What is the best input/driver for 2A3 SE?
  2. tube kits....
  3. !2ax7 heater wiring? Series / parallel?
  4. Shunt regulator
  5. Trying to choose a project...
  6. Old Projector amp conversion project
  7. Experiences with TJ Mesh Plate DHT's
  8. The lost Millman Seely chapters on audio amps
  9. Individual fixed bias and transf coupling
  10. Transmitter e-tour
  11. 7984
  12. Screen driven EL36 / 6CM5 /PL36 /25E5
  13. Clone Marantz 7C power supply
  14. On - board supply ?
  15. Name that EL34!
  16. How much plate voltage for 6N1P's?
  17. minimalist valve pre for follower
  18. Schematic opinion needed (guitar amp)
  19. Tube availability: what would you do?
  20. Silvertone 1472 Makeover
  21. Looking for EL32 schematic
  22. oil bath cooling for tubes?
  23. Aikido Crackle Hiss Noise Solved
  24. Mini-p1 tweaks
  25. Refried Power Supply?
  26. The Edcor meets the 6AV5
  27. old console radio as guitar amp
  28. Anyone have curves for a 5HC7?
  29. Any common cathode (grounded grid) schematics?
  30. SIMPLE tube amplifier for...dummy guy...
  31. ground and earth
  32. Tube Cad Journal dead
  33. First amp
  34. 6922 direct coupled to 2A3
  35. Ok guys, get your daggers out.......
  36. How would you build a hybrid LM3xxx amp?
  37. Tade no tube amp!
  38. Sherwood 5500
  39. Most accurate way of matching triodes ?
  40. Help Identify This AMP!
  41. Old Tube Equipment Turnon
  42. Current Sourced Cathode Follower
  43. Tube Tester Data
  44. noob pre/pwer amp recording ?s
  45. Anyone heard of "in-rush" limiter resistor
  46. Will adding a 10H/125mA choke hurt bass performance
  47. Fixed bias vs. auto bias
  48. Not your average output transformer problem
  49. Balanced Audio Technology VK 3i preamplifier
  50. Musical Fidelity X10-D - changing tubes problem
  51. power transformers in series
  52. Loud sudden rumbling when turn on amp
  53. Help with tube amplification?
  54. UTC CG-431 Terminal Arrangement
  55. Mingda MC34B tweaks
  56. Symphonic Line Die Erleuchtung Reference
  57. 6SL7 Diffamp front end
  58. PT/OPT Orientation questions
  59. Effect of using 50k pot instead of 100k pot in tube preamp?
  60. Using the Crowhurst articles and Claus Byrith
  61. 12SX7
  62. Bridge SE amplifier
  63. Cad Sw
  64. Kit amps in the UK
  65. ECC82 based preamp
  66. How important is the coupling cap?
  67. any pcb layout for marshall standard 50w valve amp ?
  68. pentode driven 300b set amp - any info?
  69. Circlotron Preamp with ECC88.
  70. Removing tone controls - Need a little help
  71. SE EL84 amplifier schematics
  72. Output coupling - Choke-coil method?
  73. 7788 tube mic preamp design
  74. Amperex 6085 Tube- Where to Buy?
  75. Can a 5687 drive four 813's in triode mode ?
  76. Schematics needed for Heathkit S33
  77. Tube Sparking
  78. Vacuum Tube Pre O.C.L.
  79. Why no single triode OTL power stages?
  80. 6922 .2 sections in parallel
  81. Pre-amp input remote control
  82. Any benefit to DC heater on parallel supply rectifier (GZ34)?
  83. Relpacing 6EU7s with 12AX7s - Good idea?
  84. These Valves good for anything?
  85. buzz problem
  86. Help with trafo
  87. Svetlana EL509 III tubes
  88. Noise on Aikido output
  89. Book “Single Ended Amplifiers” by John (not Gordon) Rankin
  90. EV4417 6CM5 (6x) P-P Amp Schematic
  91. Need recommendation for cathode bypass cap
  92. Simplest flea-powered amp?
  93. Decisions, Decisions - Help me select iron
  94. 966 mercury vapor rectifier
  95. Sound Practices CDs
  96. Question about DIY EL34PP amp
  97. noisy noisy noisy noisy noisy tube
  98. Help needed lowering B+ for DIY amp
  99. 6SN7 CCS
  100. Russian 6L6 family sketchy?
  101. HT regulator using 78xx
  102. Audio Research CA50
  103. Granite tiles
  104. SE Triode amp for a newbie
  105. tube is flashing and glowing very bright!
  106. Suggestions for another amplifier project.
  107. almost just another newbie thread...
  108. Bogen PA--->Guitar Amp, few questions
  109. ts9 pt9 triode
  110. help Etude 124BA keep blowing fuse.
  111. Metal 6L6s?
  112. Hybrid amplifier help...
  113. Tube input and mosfet output
  114. musical fidelity f22 schematic wanted
  115. An intriguing 300B SE-direct-coupled-amplifier
  116. Output capacitor
  117. Cascoded Long Tail Pair Inferno!
  118. Tube ornamental rim
  119. What should be mod first in my amp
  120. EL504/PL504 spice model
  121. Long Tail Pair Phase Inverter with Penthode ?
  122. new spice models available
  123. Output Capacitor Value
  124. Popular tube websites notifier
  125. Convergent Preamplifier Schematich
  126. Source of tubes & associated stuff in Sydney?
  127. Projects involving EF50 tubes?
  128. Kt77?
  129. Best way to translate schematic into actual layout?
  130. Clean to breakup range
  131. 26 preamp problem
  132. mono tube microphone preamp
  133. Help designing a tube amp...
  134. MJE350 pinout and ccs issue
  135. KGB- DC Coupled Hybrid Balance OTL/OCL HeadAmp
  136. negative voltage doubler for ccs
  137. Loftin-White
  138. SET amp from 1619 driving a 809. Opinion wanted.
  139. Re:preamp sputtering noise
  140. Building an ECL82 Single Ended Amp ...
  141. help a newbie build his first tube project
  142. Mercury Vapour rectifiers
  143. El Cheapo Circlotron PSU question....
  144. lookin for a tube buffer
  145. Baby SET w/6FD7 and ilk, for Bas and others....
  146. py500A question
  147. Mundorf Silver-oil VS Jensen copper foil
  148. Can you run a Fender Twin Reverb with only two 6L6's?
  149. Drawing Schematics for Tubes
  150. Drive Current for EL509 Enhanced Triode
  151. How to use Svetlana 6d22s?
  152. James Singapore
  153. Oil Filled Capacitor not upright OK?
  154. Aikido using a #26 tube?
  155. Tube and DIY Newbie Kel84 vs Stoetkit Jr.2
  156. ZOTL and ferrites
  157. 6V6 vs EL84 SE UL
  158. Speaker questions for a Silvertone 1472
  159. Component selection
  160. Snap sound on preamp powerup
  161. Secondary voltage for heaters
  162. good schematic archive site
  163. Transitional SIlvertoneAmp between 1472 and 1482?
  164. Cheap Source for Hammond 125ESE
  165. PCF801 - pentode section has remote or sharp cut-off?
  166. Tube as a desk lamp
  167. Ella EL34 Bias Help
  168. tube diy can or can t
  169. Quad II Problems
  170. Choke input P/supply and critical damping
  171. balanced grounded grid preamp
  172. Fluorescent ballasts in SE
  173. Hammond Transformers and EZ80/EZ81
  174. Look what I found this weekend!
  175. Question on 300B tubes from Parts Connexion
  176. Russian Tubes
  177. Help a first timer to select...
  178. GE 5692 BLACK base?
  179. sources on the web for chinese amps
  180. How much capacitance in a power supply
  181. Parallel 12AT7 for 2A3 driver?
  182. Maida's regulator
  183. Common Mode Chokes for Heater Supplies
  184. Ming Da MC34B....passive or active pre amp?
  185. tube power supply upgrade... elna's, RTX, infinicap
  186. What tube do you think this OPT matches?
  187. safety fuse
  188. Short and sweet review of Sun Audio SV-300BE
  189. Help selecting a DIY schematic
  190. OP Transformer power rating guesstimate
  191. need a lot help on an el34 project :P
  192. Anode Follower
  193. CCS for tubes/valves: PCBs
  194. Improvement to DM's Generic Triode Model for 12AU7
  195. ccs, direct coupling and stuff
  196. Replica Pre QUAD 22 - Questions on mids
  197. Is this cap ok for audio?
  198. Remote Controlled Stepped Attenuator
  199. UltraLinear in toroidal parafeed, my findings.
  200. Help to tame a 12AX7/6AQ5 circuit
  201. DIY something like iMPAMP??
  202. Have you seen this tester?
  203. Help with taming a 12AX7 and 6AQ5a amp
  204. Linear Technology 1083CP adjusting problem
  205. radiation tubes
  206. 813 socket dimensions
  207. Cheap SE output transformers
  208. BIAS and B+ caps WKZ or NH
  209. Cleaning tubes...
  210. Manfred Huber
  211. IEC standards, anywhere?
  212. possible volume and balance control - does this look like it will work well?
  213. EL84 Amp - Baby Huey
  214. 6X4
  215. What do you guys use for HV toggles?
  216. Balanced Operation Output Transformer Questions from N00b
  217. Static stain cleaning
  218. 12AX7 preamp project
  219. SE 1.5W OTL
  220. Cross-coupled NFB for PP Pentode
  221. Parallel triodes - CONS?
  222. output transformer spec questions
  223. Choosing Valve
  224. opinions wanted - Lafayette Stereo 224 Tube Amp
  225. New KT77 Tubes by JJ
  226. 60HL5?
  227. Standby switch
  228. Problems With Simple Gounded Cathode Gain Stage
  229. srpp 6c33c
  230. Mullard 5-20/Maplin 4-20 modification to NON-Ultra Linear mode????
  231. Anyone in gta know their tubes?
  232. 801 low power SE amp
  233. superalloy ( 78% nickel/2%cobalt) EI-66 with Furukawa ultimate wire.
  234. OPT resistance for EL84 PP Class A
  235. What’s in this amplifier?
  236. Whose logo?
  237. pentode phase splitter
  238. Is this EL84M UL PP OK?
  239. Tube preamp question...also, chassis layout
  240. Quad II Mods/Tweeks
  241. Trying to recreate a Fisher SA-16
  242. CCS, how it actually works?
  243. 400V CRC PS, what do I do with it?
  244. Does anyone has MILBERT BAM230 TUBE CAR POWER AMPLIFIER
  245. Valve sockets
  246. Can I use 12AT7?
  247. Music Reference RM5 mkIII
  248. Help: Sun Audio Kits where from? EIFL, ELEX, Sun Audio?
  249. Looking for a link on power supply design
  250. Is feedback required for UL EL84PP?

Content Relevant URLs by vBSEO 3.3.2