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. Kitparts line stage
  2. Aikido tube heater floating
  3. Cathode and other types of feedback
  4. Tube God TH-1 Amp Regulator PCB ????
  5. step-up travel transformer for small preamp?
  6. Help a total tube amp newbie find a super simple design...
  7. heretical unity gain and ccs question
  8. Vox tubes glowing red hot
  9. What To Do
  10. Parallel Two Tubes
  11. 4 x PSE EL34
  12. EL34 CCS help
  13. Tube curve tracer project
  14. Single Ended EL-34?
  15. maxi tube tester?
  16. Zener Bias
  17. Looking to build a tube amp.
  18. Tube humming question
  19. YAPPAP (Yet Another Push-Pull Amplifier Project)
  20. voltage output dac ==> TUBE
  21. Heater switch transistor
  22. Anything post power transformer that can cause it to hum / buzz?
  23. Aikido enclosure
  24. Power Transformers. Decisions
  25. First tube after IV
  26. Suggestions for Upgrade - VDV70/100
  27. New Hybrid Output Stage and booster for SE Amp
  28. Pro and cons high DCR filter choke
  29. do-it yourself leslie help
  30. John Broskie Aikido boards
  31. Making a muscular triode monoblock amplifier using P-P Eimac 450TH's
  32. Limited run PCBs - where's copyright???
  33. Hammond Amp Question
  34. Impedance matching
  35. 6111 output for CD player - opinions - some help?
  36. Sensitivity Limiter - Bogen Mx-30a
  37. Are my speakers efficient enough for tubes?
  38. Ping Sy: LED for Cathode Bias
  39. PSU capacitors/electrolytics
  40. 2A3 monoblock power supply
  41. 2 tube questions
  42. Just acquired HEATHKIT W4-AM-*picture*
  43. Passive line stage with tubes
  44. My favorite preamp
  45. Again, a preamp tube choice.
  46. Class Double A
  47. Two Stereo Tube Amps Into Monoblocks
  48. Multi-purpose tube amp (line and guitar inputs)
  49. Espey AM/FM radio (pentagrid mixer, etc.)
  50. Need help for DIY EL34PP tube amp
  51. Higher value oil capacitors?
  52. Transconductance.
  53. 5763 tetrode on OTL ?
  54. cornford harlequin
  55. Need help: 5687 tubes and heat dissipation
  56. Tube preamp, tone control problem
  57. Use 5KV transformer as output transformer?
  58. Any EL84 alternatives?
  59. help on id of tubes
  60. Sovtek 6CA7-EH Producing smoke...
  61. building V4's and phono pre
  62. pre out on a integrated tube amp?
  63. 6SN7 some good some bad
  64. Phono pre amp - thanks SY
  65. 6c33c Tube preamp
  66. Tubes for Lumley ST40 power amplifier?
  67. Plate supply of Conrad Johnson PV-5 ?
  68. 6CD6GA in Enhanced Triode Mode for SE Amp
  69. Fender 6G15 clone
  70. Gridstoppers against RF, a necessity ?
  71. where do I.E.T. tubes come from
  72. I wanna DIY a PP 6550 Guitar Setup
  73. Hum 300b Again
  74. Pse El34
  75. Mcintosh MR65 Tube Tuner
  76. Problem: Really Bright glowing 6CA7
  77. New member introduction & question
  78. The "PowerTotem"... a new way to SET?
  79. Please advice on KT88 Push Pull
  80. console "guitar amp" part 2
  81. Odd's n Ends Revisited 6V6 SE amp
  82. Bottlehead Foreplay with chipamp
  83. Next Amp: 2a3PSE, 300B or KT88SE UL
  84. transformer list
  85. do 300b amps really sound any good?
  86. Capacitance For Mono Block Design
  87. pilot 264
  88. Octal equivalents for 6C45?
  89. lm3875 chipamp and tube pre loud buzzing
  90. Using a spdt switch to select between triode mode and pentode mode on a guitar amp.
  91. 32 ohm bass amp.
  92. PSE UL EL84 or 6V6 or EL34?
  93. Paraphase Splitter - why is it unpopular?
  94. Tubed IR spectrophotometer
  95. Very Basic 12AX7 Heater Question
  96. 6072A/12AY7 for an AKG C12 Microphone
  97. SET Suggestions
  98. Will ccs work with a DHT?
  99. Resistor type and power rating
  100. tube patents
  101. Why use E182CC?
  102. tube
  103. understanding transformer codes
  104. Maida regulator, these results expected?
  105. Moto chassis pulled! pics!
  106. glasshouse kit amps. Any good?
  107. class B
  108. a.r.t. mpa tube pre amp
  109. Upper and lower triode in E88CC
  110. Booster Amps
  111. Help on Magnavox Paraphase (Gabevee?)
  112. New stock pre -amp tubes. Whats good?
  113. CV2492 / 6922 / E88CC
  114. HK Citation II Bias "issues"
  115. 3k vs. 5k transformer for PP 2A3
  116. Turret terminal board for line stage construction?
  117. Tube Cage Question
  118. Small and easy ESL amp
  119. SOVTEK 6550WE's any good?
  120. power tube for drivers
  121. 12B4A line driver/preamp
  122. Question about tube amp power supply caps
  123. Why separate AC heater supplies for driver and power tubes?
  124. Using one half of double triode
  125. huh ?
  126. holy cow, this sounds nice
  127. my SY CCS is only giving me 15mA
  128. Changing filter cap in HH Scott
  129. Why Class AB is bad
  130. Problem, please help !!!!!!
  131. Eico hf-30 reworking
  132. KT88 Bias Adjustment
  133. Interstage Distortion Measurements
  134. Survey: Aikido distortion
  135. Loftin-White Mod
  136. Music Angel EL34
  137. How much filtering required for DC heaters?
  138. What is the best input/driver for 2A3 SE?
  139. tube kits....
  140. !2ax7 heater wiring? Series / parallel?
  141. Shunt regulator
  142. Trying to choose a project...
  143. Old Projector amp conversion project
  144. Experiences with TJ Mesh Plate DHT's
  145. The lost Millman Seely chapters on audio amps
  146. Individual fixed bias and transf coupling
  147. Transmitter e-tour
  148. 7984
  149. Screen driven EL36 / 6CM5 /PL36 /25E5
  150. Clone Marantz 7C power supply
  151. On - board supply ?
  152. Name that EL34!
  153. How much plate voltage for 6N1P's?
  154. minimalist valve pre for follower
  155. Schematic opinion needed (guitar amp)
  156. Tube availability: what would you do?
  157. Silvertone 1472 Makeover
  158. Looking for EL32 schematic
  159. oil bath cooling for tubes?
  160. Aikido Crackle Hiss Noise Solved
  161. Mini-p1 tweaks
  162. Refried Power Supply?
  163. The Edcor meets the 6AV5
  164. old console radio as guitar amp
  165. Anyone have curves for a 5HC7?
  166. Any common cathode (grounded grid) schematics?
  167. SIMPLE tube amplifier for...dummy guy...
  168. ground and earth
  169. Tube Cad Journal dead
  170. First amp
  171. 6922 direct coupled to 2A3
  172. Ok guys, get your daggers out.......
  173. How would you build a hybrid LM3xxx amp?
  174. Tade no tube amp!
  175. Sherwood 5500
  176. Most accurate way of matching triodes ?
  177. Help Identify This AMP!
  178. Old Tube Equipment Turnon
  179. Current Sourced Cathode Follower
  180. Tube Tester Data
  181. noob pre/pwer amp recording ?s
  182. Anyone heard of "in-rush" limiter resistor
  183. Will adding a 10H/125mA choke hurt bass performance
  184. Fixed bias vs. auto bias
  185. Not your average output transformer problem
  186. Balanced Audio Technology VK 3i preamplifier
  187. Musical Fidelity X10-D - changing tubes problem
  188. power transformers in series
  189. Loud sudden rumbling when turn on amp
  190. Help with tube amplification?
  191. UTC CG-431 Terminal Arrangement
  192. Mingda MC34B tweaks
  193. Symphonic Line Die Erleuchtung Reference
  194. 6SL7 Diffamp front end
  195. PT/OPT Orientation questions
  196. Effect of using 50k pot instead of 100k pot in tube preamp?
  197. Using the Crowhurst articles and Claus Byrith
  198. 12SX7
  199. Bridge SE amplifier
  200. Cad Sw
  201. Kit amps in the UK
  202. ECC82 based preamp
  203. How important is the coupling cap?
  204. any pcb layout for marshall standard 50w valve amp ?
  205. pentode driven 300b set amp - any info?
  206. Circlotron Preamp with ECC88.
  207. Removing tone controls - Need a little help
  208. SE EL84 amplifier schematics
  209. Output coupling - Choke-coil method?
  210. 7788 tube mic preamp design
  211. Amperex 6085 Tube- Where to Buy?
  212. Can a 5687 drive four 813's in triode mode ?
  213. Schematics needed for Heathkit S33
  214. Tube Sparking
  215. Vacuum Tube Pre O.C.L.
  216. Why no single triode OTL power stages?
  217. 6922 .2 sections in parallel
  218. Pre-amp input remote control
  219. Any benefit to DC heater on parallel supply rectifier (GZ34)?
  220. Relpacing 6EU7s with 12AX7s - Good idea?
  221. These Valves good for anything?
  222. buzz problem
  223. Help with trafo
  224. Svetlana EL509 III tubes
  225. Noise on Aikido output
  226. Book “Single Ended Amplifiers” by John (not Gordon) Rankin
  227. EV4417 6CM5 (6x) P-P Amp Schematic
  228. Need recommendation for cathode bypass cap
  229. Simplest flea-powered amp?
  230. Decisions, Decisions - Help me select iron
  231. 966 mercury vapor rectifier
  232. Sound Practices CDs
  233. Question about DIY EL34PP amp
  234. noisy noisy noisy noisy noisy tube
  235. Help needed lowering B+ for DIY amp
  236. 6SN7 CCS
  237. Russian 6L6 family sketchy?
  238. HT regulator using 78xx
  239. Audio Research CA50
  240. Granite tiles
  241. SE Triode amp for a newbie
  242. tube is flashing and glowing very bright!
  243. Suggestions for another amplifier project.
  244. almost just another newbie thread...
  245. Bogen PA--->Guitar Amp, few questions
  246. ts9 pt9 triode
  247. help Etude 124BA keep blowing fuse.
  248. Metal 6L6s?
  249. Hybrid amplifier help...
  250. Tube input and mosfet output

Content Relevant URLs by vBSEO 3.3.2