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

  1. 6v6 music machine build help!
  2. PCF801 Suggestions
  3. el84 200V Vg2 curves
  4. What's the advantage of E-linear
  5. Tube microphonics (article)
  6. Another Counterpoint SA-7.1 question
  7. How to test a subminiature tube
  8. C3M linestage
  9. Needinfo: Tamradio SOT-850 specs
  10. Back to Back transformers
  11. UltraLinear Screen Drive
  12. UTC CG-52AX - use as plate chokes?
  13. Chassis material
  14. Fu29 & e813cc
  15. Tube rollers - what tubes for my RH84?
  16. What is meant when tubes are sold as "matched"?
  17. 1:1 transformer replace with line filter
  18. Old valve radios have any use?
  19. Know of any big 7 pin FW rectifier tubes?
  20. Decca Decola PX25 amp schematic
  21. Happy birthday....to me!
  22. Just tested the new E183CC
  23. Chassis mounting tubes off my PCB
  24. Tubelab SE with 2A3 Hum
  25. I need some help with the OPTs on a set of old 6V6GT monoblocks
  26. modified Headwise WCF headpone design
  27. 6em7 ,difference from brand ?
  28. Wavebourn Tower thread
  29. Sealed Lead Acid Batteries
  30. New ebay record!
  31. New ebay record!
  32. NFB, how to implement here?
  33. Recommended Mouser Electronics
  34. Utter novice looking for answers to easy questions:
  35. Hum Troubleshooting on My Tubelab SE with 2A3
  36. Trying to understand Power Supplies - The first Cap in a CRCRC
  37. 5687=e182cc???
  38. Series wire Antek Secondaries
  39. 300bxls vs mosfet :)
  40. 6N4P info
  41. Its alive!!! Aikido 5687
  42. Looking for advice,EL84 based Mono amp conversion/ restoration
  43. Looking for ideas
  44. Looking for curves for obscure tube
  45. tube life, soft start, cathode bias
  46. Triad N-68X Tranny for ^SN7 Aikido?
  47. RH84 with simple 5687 front end?
  48. Aikido grounding scheme
  49. measuring voltages and currents simple se
  50. Beginner's luck -- Tubelab Simple SE on first try!
  51. 6CH6 find
  52. Shielded cables - success
  53. Heater-Cathode Voltage
  54. deliberately unmatching output tubes
  55. triode heater ground question
  56. 6sn7 alternative
  57. A tube amp that will drive 2 ohms or less...
  58. Looking for a simple circuit
  59. Why does my tube amp make a scratchy, popping sound?
  60. Fisher kx-100 Recitfire problem
  61. Potentiometers - USA
  62. Tube SE amplifier with 6P3S (russian tube)
  63. Plate dissipation
  64. Need help with tube models in LTSpice
  65. D3a pentode as driver? History of this tube?
  66. Tubelab SSE inrush current limiters.
  67. looking for some ideas. rebuilding heathkit w-3m amps.
  68. What's wrong with the 12AV7? Try this out!
  69. simple se and edcor gxse output transf question
  70. old tubes
  71. weird ef86 input stage in a Philips amp
  72. table radio w/ tube amp...in the designing process...anyone do this?
  73. Question: grid current related
  74. RH84 based amp
  75. My Aikido!!
  76. Tubelab Simple SE - Transformer Assistance
  77. ST70 clones
  78. Need help selecting a VR tube
  79. Help analysing Hammond organ circuit
  80. Stromberg-Carlson ASR-433
  81. WAHAHA! Our DIY tube amp is doneŁĄŁĄ
  82. Pentodes.
  83. making octal adapters
  84. How to cut ceramic
  85. Tubelab web site down for a day
  86. Trans wires in parallel or series?
  87. Tube socket for ECC88, drawing
  88. Richardson 5ar4
  89. Percy Audio / Still open? / Can't seem to get any response from them
  90. Resistor types in an amplifier
  91. simple se inrush limiter placement
  92. CRC Filter ?
  93. EICO 666 tube tester - What settings do you use?
  94. PCB edge connectors... what will they do to my sound?
  95. Tranny question
  96. Anyone here in contact with Pieter from Tribute?
  97. Fisher 500C with JJ 7591S - Optimum Bias Current?
  98. Power supply resistors power ratings
  99. Anyone tried this SE trafos?
  100. Adjustable B+ and Cathode Current linestage
  101. Possibility of Tube substitution trough MOSFETs
  102. G2 overvoltage ??
  103. Toroid transformer cover?
  104. Help me to think of name for a tube amplifier
  105. All DHT Phono Stage
  106. How Set up Aria Mini 6P14?
  107. new build - abdellah SE KT88
  108. Sources for enclosures, parts, standoffs, tubing, etc?
  109. Duncan PSUII question
  110. Bench Phono Pre Layout
  111. Imd
  112. Line Level tube
  113. Wanting to start a DIY tube amp
  114. ARC VT100 driver adjustment
  115. Valve Amplifier
  116. SE OPT's in India
  117. Arcing KT-88 and GLY513 ASC 600uF - Too Much of a Good Thing?
  118. What is a "gridless control" tube ?
  119. simple se ground to speaker wire?
  120. Polytone Mini-brute II
  121. New 6N6P linestage
  122. Split supply, arrangement of gain and phase splitter tubes
  123. New Hybrid Amp with multiple inputs: Little Singer H-30A
  124. Help with my Transformer - vibrating
  125. Quick transformer question
  126. Need for twin 5U4GB rectifiers in baldwin organ amplifier?
  127. Oddwatt / Oddblock Builder's Thread
  128. Tube output stage for Buffalo Saber 32-bit DAC?
  129. Silvertone Multiplex Stereo Model No. 4092 Questions
  130. 6SJ7(6J8) + 6v6 (6P6S) SE
  131. Wavebourn Tower-III High-end hybrid amp
  132. Question - Closest Russian Analog of 12BH7A
  133. Help understanding the PowerDrive circuit anaylsis
  134. Aikido pre
  135. Fixed bias: Pots near supply or tubes?
  136. Oh, those 12AU7s again...
  137. Plitron LOW Power OPT...
  138. Has anyone used The Guiguang 300B?
  139. anyone have any el86 circuits laying around?
  140. ok, power supply question, 230v - 117v conversion
  141. Big lot of tubes purchased this morning
  142. Tamura HM-1
  143. Tube Amp Design Question...
  144. Cathode Bias questions
  145. Tube Hybrid Shunt Regulator ... will this even work?
  146. Forgive me TubeLab ... I have sinned
  147. Broskie regulator oscillates
  148. Yushang-Audio Classic 16.6
  149. Tube PreAmplifier Kit suggestions..
  150. Sourcing Chassis Access Panels
  151. Running 4 ohm speakers with my Simple SE
  152. Cavalli OCL Buffer
  153. wooohooo! Three Rowe AMI amps for $200NZD!
  154. Quick Volume pot question
  155. Basic choke quality/sonic benefit questions
  156. Tubelab SE buzzing noise from the speaker
  157. lighspeed attenuator w/Simple SE AMP
  158. Tube rectifiers for Dummies
  159. help on a SE 4 channel tube amp for auto?
  160. Audio Output Transformers
  161. K-502 Help
  162. First post, first project RH84
  163. Source for tube cages?
  164. Simple SE optimum layout for hum
  165. Audio Transformers - Help
  166. Gran Tenor
  167. Toroidal Output Tranformers
  168. Cathode Follower confusion
  169. Tube newbie problem
  170. Replacement of KT88's. No mods' necessary?
  171. Phase splitter types
  172. Yaqin VK-2100 mods
  173. Heptode oscillators
  174. tube amp repair in DFW area
  175. A novice scope user - measuring noise?
  176. Hickok 600A & KT88
  177. Multifilar winding
  178. Measuring Hi-Fi Amplifiers
  179. Help with 30A5 tube amp schematic
  180. simple se troubleshooting
  181. 6SN7 operating points input gain stage and concertina
  182. looking for pentodes for scope deflection
  183. Cary 845 schematics
  184. newbie simple SE issue
  185. Power Transformer 110/230V Windings Question
  186. OPT Voltage spike protection with zeners
  187. IRIS OTL info
  188. Precise 111 tube tester - missing tubes
  189. ping yves
  190. Filters
  191. 2X2 as amplifier rectifier
  192. SPMSU for heater supplies
  193. Shipping Tube Gear
  194. Amplifier squeel at zero volume
  195. mercury rectifier for electrostatic bias
  196. My little coupling-cap-test in a UL-70W-Amp
  197. Electra-Print 300BDRD
  198. K-502... upgrading the OPT's with Hammonds
  199. Tube eq or tone control - how to design it?
  200. Help, strange glowing in KT88
  201. Need opinions about this tube circuit
  202. Custom designed transformer for Andrea Ciuffoli 6c33c OTL AMP....
  203. Max current for Edcore GXSE10-8-2.5K
  204. And for the man who has everything....
  205. 1J6G recommended operating point?
  206. DHT bias and filament supply in one?
  207. Tubelab Simple SE Sound Quality
  208. 3d amp modelling (for solidworks)
  209. RSC Stereo Ten.
  210. Weird Bias on Simple SE
  211. Help - noisy phono stage
  212. 2A3 Max Grid Current Rating?
  213. Futterman style 6AS7 OTL with other tubes
  214. Low/Mid-Watt Amps
  215. Calling all builders of the Swenson/Pimm HV Reg
  216. AZ1 problem: broken metal part
  217. More Grunt from Aikido Needed to drive PL509's
  218. Correct OPT and other adjustments on old Bogen amp
  219. Ebl 21 Se Amplifier
  220. OT primary impedance calculation
  221. Akai M5?
  222. Identify the DHT
  223. Fountek Altitude 3500, any opinions?
  224. 31 tube in output
  225. dynaco system- volume remains
  226. Left channel BAD in stereo! HELP please! It's my first tube set
  227. OPT with power transfrormer core
  228. 300b dpa
  229. IV single stage inverting Feedback Amp
  230. TechTubes - The return of Blackburn
  231. simple se how to wire a auxiliary cap
  232. Tradeoffs in analog circuit design, and so on...
  233. Has anyone Received The new Techtubes yet?
  234. 6P3S-E in place of 6V6
  235. EL34, KT88, High Voltage?, VTL..
  236. 100W 6L6 amp sounds harsh at high Volume
  237. Hickok 533 / 600 settings for 6GM8 / ECC86
  238. Need help: amp blowing fuses
  239. Best voltage reference device for a cascode BJT CCS?
  240. Tube power amp noise problem
  241. tube oscillator help.
  242. Finally have some big chokes, how would you use them?
  243. Tube amplifier
  244. 12AX7 heater filament resistance
  245. Choke input LC chain questions..Q?, minload?
  246. LED bias for 12ax7 oscillator
  247. Yaqin VK-2100 hybrid running 4 ohm speakers
  248. VR shunt regulator or RC filter
  249. Screen Mode Mesh Plate?
  250. EL34 simple push pull class B : why 100W ?

Content Relevant URLs by vBSEO 3.3.2