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. Utter novice looking for answers to easy questions:
  2. Hum Troubleshooting on My Tubelab SE with 2A3
  3. Trying to understand Power Supplies - The first Cap in a CRCRC
  4. 5687=e182cc???
  5. Series wire Antek Secondaries
  6. 300bxls vs mosfet :)
  7. 6N4P info
  8. Its alive!!! Aikido 5687
  9. Looking for advice,EL84 based Mono amp conversion/ restoration
  10. Looking for ideas
  11. Looking for curves for obscure tube
  12. tube life, soft start, cathode bias
  13. Triad N-68X Tranny for ^SN7 Aikido?
  14. RH84 with simple 5687 front end?
  15. Rickenbacker old amplifiers (b16 series)
  16. Aikido grounding scheme
  17. measuring voltages and currents simple se
  18. Beginner's luck -- Tubelab Simple SE on first try!
  19. 6CH6 find
  20. Shielded cables - success
  21. Heater-Cathode Voltage
  22. Battery powered tube preamps/effects (guitar)
  23. deliberately unmatching output tubes
  24. triode heater ground question
  25. 6sn7 alternative
  26. A tube amp that will drive 2 ohms or less...
  27. Looking for a simple circuit
  28. Why does my tube amp make a scratchy, popping sound?
  29. Fisher kx-100 Recitfire problem
  30. Potentiometers - USA
  31. Tube SE amplifier with 6P3S (russian tube)
  32. Plate dissipation
  33. Need help with tube models in LTSpice
  34. D3a pentode as driver? History of this tube?
  35. Tubelab SSE inrush current limiters.
  36. looking for some ideas. rebuilding heathkit w-3m amps.
  37. What's wrong with the 12AV7? Try this out!
  38. simple se and edcor gxse output transf question
  39. old tubes
  40. weird ef86 input stage in a Philips amp
  41. table radio w/ tube amp...in the designing process...anyone do this?
  42. Question: grid current related
  43. RH84 based amp
  44. My Aikido!!
  45. Tubelab Simple SE - Transformer Assistance
  46. ST70 clones
  47. Need help selecting a VR tube
  48. Help analysing Hammond organ circuit
  49. Stromberg-Carlson ASR-433
  50. WAHAHA! Our DIY tube amp is doneŁĄŁĄ
  51. Pentodes.
  52. making octal adapters
  53. How to cut ceramic
  54. Tubelab web site down for a day
  55. Trans wires in parallel or series?
  56. Tube socket for ECC88, drawing
  57. Richardson 5ar4
  58. Percy Audio / Still open? / Can't seem to get any response from them
  59. Resistor types in an amplifier
  60. simple se inrush limiter placement
  61. CRC Filter ?
  62. EICO 666 tube tester - What settings do you use?
  63. PCB edge connectors... what will they do to my sound?
  64. Tranny question
  65. Anyone here in contact with Pieter from Tribute?
  66. Fisher 500C with JJ 7591S - Optimum Bias Current?
  67. Power supply resistors power ratings
  68. Anyone tried this SE trafos?
  69. Adjustable B+ and Cathode Current linestage
  70. Possibility of Tube substitution trough MOSFETs
  71. G2 overvoltage ??
  72. Toroid transformer cover?
  73. Help me to think of name for a tube amplifier
  74. All DHT Phono Stage
  75. How Set up Aria Mini 6P14?
  76. new build - abdellah SE KT88
  77. Sources for enclosures, parts, standoffs, tubing, etc?
  78. Duncan PSUII question
  79. Bench Phono Pre Layout
  80. Imd
  81. Line Level tube
  82. Wanting to start a DIY tube amp
  83. ARC VT100 driver adjustment
  84. Valve Amplifier
  85. SE OPT's in India
  86. Arcing KT-88 and GLY513 ASC 600uF - Too Much of a Good Thing?
  87. What is a "gridless control" tube ?
  88. simple se ground to speaker wire?
  89. Polytone Mini-brute II
  90. New 6N6P linestage
  91. Split supply, arrangement of gain and phase splitter tubes
  92. New Hybrid Amp with multiple inputs: Little Singer H-30A
  93. Help with my Transformer - vibrating
  94. Ultralinear fender?
  95. Quick transformer question
  96. Need for twin 5U4GB rectifiers in baldwin organ amplifier?
  97. Oddwatt / Oddblock Builder's Thread
  98. Tube output stage for Buffalo Saber 32-bit DAC?
  99. Silvertone Multiplex Stereo Model No. 4092 Questions
  100. 6SJ7(6J8) + 6v6 (6P6S) SE
  101. Wavebourn Tower-III High-end hybrid amp
  102. Question - Closest Russian Analog of 12BH7A
  103. Help understanding the PowerDrive circuit anaylsis
  104. Aikido pre
  105. Fixed bias: Pots near supply or tubes?
  106. Oh, those 12AU7s again...
  107. Plitron LOW Power OPT...
  108. Has anyone used The Guiguang 300B?
  109. anyone have any el86 circuits laying around?
  110. ok, power supply question, 230v - 117v conversion
  111. Big lot of tubes purchased this morning
  112. Tamura HM-1
  113. Tube Amp Design Question...
  114. Cathode Bias questions
  115. Tube Hybrid Shunt Regulator ... will this even work?
  116. Forgive me TubeLab ... I have sinned
  117. Broskie regulator oscillates
  118. Yushang-Audio Classic 16.6
  119. Tube PreAmplifier Kit suggestions..
  120. Sourcing Chassis Access Panels
  121. Running 4 ohm speakers with my Simple SE
  122. Cavalli OCL Buffer
  123. wooohooo! Three Rowe AMI amps for $200NZD!
  124. Quick Volume pot question
  125. Basic choke quality/sonic benefit questions
  126. Tubelab SE buzzing noise from the speaker
  127. lighspeed attenuator w/Simple SE AMP
  128. Tube rectifiers for Dummies
  129. help on a SE 4 channel tube amp for auto?
  130. Audio Output Transformers
  131. K-502 Help
  132. High gain guitar preamp kits!
  133. First post, first project RH84
  134. Source for tube cages?
  135. Simple SE optimum layout for hum
  136. Audio Transformers - Help
  137. Gran Tenor
  138. Toroidal Output Tranformers
  139. Cathode Follower confusion
  140. Tube newbie problem
  141. Replacement of KT88's. No mods' necessary?
  142. Phase splitter types
  143. Yaqin VK-2100 mods
  144. Heptode oscillators
  145. tube amp repair in DFW area
  146. A novice scope user - measuring noise?
  147. Hickok 600A & KT88
  148. Multifilar winding
  149. Measuring Hi-Fi Amplifiers
  150. Help with 30A5 tube amp schematic
  151. simple se troubleshooting
  152. 6SN7 operating points input gain stage and concertina
  153. looking for pentodes for scope deflection
  154. Cary 845 schematics
  155. newbie simple SE issue
  156. Power Transformer 110/230V Windings Question
  157. OPT Voltage spike protection with zeners
  158. IRIS OTL info
  159. Precise 111 tube tester - missing tubes
  160. ping yves
  161. Filters
  162. 2X2 as amplifier rectifier
  163. SPMSU for heater supplies
  164. Shipping Tube Gear
  165. Amplifier squeel at zero volume
  166. mercury rectifier for electrostatic bias
  167. My little coupling-cap-test in a UL-70W-Amp
  168. Electra-Print 300BDRD
  169. K-502... upgrading the OPT's with Hammonds
  170. Tube eq or tone control - how to design it?
  171. Help, strange glowing in KT88
  172. Need opinions about this tube circuit
  173. Custom designed transformer for Andrea Ciuffoli 6c33c OTL AMP....
  174. Max current for Edcore GXSE10-8-2.5K
  175. And for the man who has everything....
  176. 1J6G recommended operating point?
  177. DHT bias and filament supply in one?
  178. Tubelab Simple SE Sound Quality
  179. 3d amp modelling (for solidworks)
  180. RSC Stereo Ten.
  181. Weird Bias on Simple SE
  182. Help - noisy phono stage
  183. 2A3 Max Grid Current Rating?
  184. Futterman style 6AS7 OTL with other tubes
  185. Low/Mid-Watt Amps
  186. Calling all builders of the Swenson/Pimm HV Reg
  187. AZ1 problem: broken metal part
  188. More Grunt from Aikido Needed to drive PL509's
  189. Correct OPT and other adjustments on old Bogen amp
  190. Ebl 21 Se Amplifier
  191. OT primary impedance calculation
  192. Akai M5?
  193. Identify the DHT
  194. Fountek Altitude 3500, any opinions?
  195. 31 tube in output
  196. dynaco system- volume remains
  197. Left channel BAD in stereo! HELP please! It's my first tube set
  198. OPT with power transfrormer core
  199. 300b dpa
  200. IV single stage inverting Feedback Amp
  201. TechTubes - The return of Blackburn
  202. simple se how to wire a auxiliary cap
  203. Tradeoffs in analog circuit design, and so on...
  204. Has anyone Received The new Techtubes yet?
  205. 6P3S-E in place of 6V6
  206. EL34, KT88, High Voltage?, VTL..
  207. 100W 6L6 amp sounds harsh at high Volume
  208. Hickok 533 / 600 settings for 6GM8 / ECC86
  209. Need help: amp blowing fuses
  210. Best voltage reference device for a cascode BJT CCS?
  211. Tube power amp noise problem
  212. tube oscillator help.
  213. Finally have some big chokes, how would you use them?
  214. Tube amplifier
  215. Mesa Boogie bass amp quiet
  216. 12AX7 heater filament resistance
  217. Choke input LC chain questions..Q?, minload?
  218. LED bias for 12ax7 oscillator
  219. Yaqin VK-2100 hybrid running 4 ohm speakers
  220. VR shunt regulator or RC filter
  221. Screen Mode Mesh Plate?
  222. EL34 simple push pull class B : why 100W ?
  223. Scored Some Bendix 5992
  224. Tube Substitutions Online ???
  225. Resistor pack for tube amp
  226. Tube Phono Preamp PCB Ebay? are these any good
  227. Testing an EL84 as a 6V6
  228. Low Voltage (~16-20V) Tube
  229. Basic Oscilloscope question
  230. Cathodyne Questions
  231. 6922 for a Noob
  232. Cathodyne Phase splitter simulation problem?
  233. How would you improve this EL84 SE circuit?
  234. Power transformer HT/B+ voltages
  235. Help with cathode follower circuit
  236. RH84 bias change whith different el84 is use
  237. No more power transformers?
  238. K-502 Filament supply (or K-12M)
  239. **LOL** Chinese surround sound amp identification
  240. Tubelab SE driver gain
  241. MOSFET for power drive for low powered 845
  242. Aikido line & phono Guru's advice for a newbie pls
  243. Need Tube kits of above 75W Single Ended Class A amp
  244. First Project: 300B SET Monoblocks
  245. Where do you get those cool layout diagrams?
  246. Simple SE grounding -- metal spacers/standoffs?
  247. My Simple SE via Akihabara
  248. Power-On Time Delay Circuit
  249. GM-70 Build Issues
  250. Blue glass inside tubes

Content Relevant URLs by vBSEO 3.3.2