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 99 100 101 102 103 104 105 106

  1. power supply for my single ended amp
  2. transmitter tube amp
  3. resistor and capacitor values for Aikido preamp
  4. need opinion on 2nd hand AF analyzers prices
  5. DH rectifier hookup.
  6. WE 310A vs. Russian 310A in WE91
  7. CRC PSU for preamp
  8. Question on the installation of LL1668 plate choke
  9. max plate voltage rating in tube datasheet
  10. Tube for a shunt voltage regulator
  11. choosing cap values for aikido
  12. Tubes in the Intermediate Stage
  13. c3m + 300b + miller capacitance
  14. How do I bias up a constant current series filament circuit?
  15. The perfect phono preamp.
  16. Got my 6BG6GA's last night
  17. Tubes4HiFi SP-6 preamp
  18. Stupid electrolytic cap question.......
  19. Shuguang 807s?
  20. LX-72A Sanity Check for Noooobie?
  21. Convert EL84 to 6V6? Anyone try this?
  22. PC96
  23. Ultrapath output transformers
  24. Grant RIAA phono with 12AX7/ECC83
  25. Tube VS SS voltage regulators - any advantages?
  26. Ra-a??
  27. Help with my el509 amp almost done but with one problem.
  28. McIntosh chassis help needed
  29. Tube Voltage Regulator Design
  30. DC Tube Amplifiers
  31. Coupling cap voltage rating
  32. Anyone experienced in the 76 tube?
  33. aikido thump
  34. bypassing preamp board in integrated amp
  35. Mallory FP 2x30/500 for Scott LX-72 - NOOB
  36. is it really required to use carbon comp for grid stoppers?
  37. How much trickle current can fixed bias cathode batteries stand?
  38. Who is the administrator?
  39. LM329 as voltage reference in a CCS.
  40. Euridice Preamp with 5842 and LL1660
  41. Trans. alignments
  42. Audio Note M3 Kit modification
  43. Has anyone simulated an "Aikido" amplifier?
  44. Upgrading ST70 PS w/ SS question
  45. 6N1 Chinese tube and others
  46. 12AT7 Linestage design
  47. ECF80 instead of 7199
  48. Modifying a tube tester into a curve tracer (oscilloscope X/Y outputs) ?
  49. 6922 vs 6SN7
  50. Transformer DCR's
  51. ferrite beads v. grid resistor
  52. What went wrong with my amp? Bass driver strange movement.
  53. Toccata Phono Preamp
  54. Drawbacks of Parafeed?
  55. aikido problem
  56. RS253 giant SE monoblock (Chinese)
  57. Plate chokes & Power chokes
  58. 10uF filter cap too small? PSU schematic inside
  59. HOT ROD DELUXE: CRACKLE...POP...what to do?
  60. converting Baldwin organ amp to guitar
  61. best amp for rock n roll
  62. quick question about tube relays
  63. Yeo's Simple EL84 with a twist
  64. ST-70 OPT, A-470 question
  65. meixing 805 tube amp problems
  66. Advice for NOOBie - Dad's Scott LK-72
  67. Peavey Valve King 112
  68. KT66 SE amp, grid current or not?
  69. 269EX in a champ?
  70. How do I achieve more output power?
  71. Driver stage load resistor
  72. More Edcor XSM10K/10K Specs
  73. DC filament
  74. driver stages
  75. Bay Area DIY is Cancelled Because....
  76. Is constant filament current better way to build amps?
  77. Next amp build - Trainwreck - Princeton - Deluxe ???
  78. Quicksilver M135 Output Transformers Color Code?
  79. Dynaco ST70 clone, tubes substitution question
  80. caddocks mk132: has anyone used them for tube projects?
  81. DIY Pro Audio Recording Gear - La2a, Pultec, more.
  82. size of filtering caps SS vs OTL tube
  83. Current rating and tube current draw
  84. NUCLON -- My first hybrid guitar amp
  85. PP splitters again
  86. preamp with output trannies.
  87. Is it the 6SN7 or me?
  88. My Kind of Guitar Tuner
  89. Regulating tube amp power supply - can Iget away with a simpler CLC filtering scheme?
  90. Manufacture date of 6SN7s
  91. simple 12AU7 cathode follower
  92. How's your bench, what's your favorite setup/tool ?
  93. Siemens H42 AM/FM receiver circuit diagram?
  94. 429A load lines
  95. Mu-stage on output
  96. My new project, 2 x KT88 60W amp
  97. Tube Amp Hum
  98. Modding MEIXING MC 3008
  99. crate vc 2110 schematic ???
  100. Will this work for an EL84 push pull?
  101. "Integrated" or "stand alone"
  102. Heater to cathode voltage limits in cascodes???
  103. some Japanese can help me? (OPT trafo winding)
  104. Quicksilver 8417 a class C amp?
  105. Newcomer, where to start?
  106. Benefits of Potted Output Transformers
  107. Transformer question
  108. 6AW6A, Unloaded
  109. Aikido PSU help
  110. Rectifier that doesn't need own filament supply?
  111. Plate to Cathode Cap -- what's this??
  112. Need Help Understanding/Optimising a Schematic
  113. Simple basic question quick
  114. problem on thorens PR15 (strange filaments circuity)
  115. My 1W 5687 SE Direct Coupled Power Amp
  116. VT-25 linestage + step-down trafo
  117. What to do with 803's
  118. Newbie: KT88 amp info needed
  119. 805 tube amp, uProcessor controlled
  120. Class A Tube BJT Hybrid
  121. John Broskie's enhanced T8
  122. Audio Research SP6 E
  123. André Charlin anybody got his Tube Amp
  124. Info needed - Shuguang SG120-C Integrated Amp
  125. Help with 6SN7 preamp
  126. 12b4 vs. aikido linestage
  127. KT88/6550 as Triode
  128. 6AU6WA triode connected as a line amp?
  129. A few basic noobie questions.
  130. Which connector for PSU/chassis B+ supply?
  131. Quad II-Forty schematic ?:
  132. Audio Research Manuals
  133. I was thinking
  134. silicon or tube rectifier?
  135. Is this OK for the Etude Preamp?
  136. gary pimm's latest self-biasing CCS circuit
  137. 46 tube pre
  138. BEZ T9B Intermittent problem
  139. Heathkit W-5M rebuild
  140. Masco MA25N repair
  141. Sunday's Project
  142. 5881- 6l6
  143. Gas-Rectifier power supply
  144. How to get more juice out of this shunt regulator
  145. Resistors on DHT Cathode
  146. Noise floor rise on heathkit W4-AMs when power supply transformers were swapped
  147. Help me finish up this SET project (multiple questions / ramblings)
  148. This Is Cool !!
  149. output bias servo
  150. Looking for dual power triodes.
  151. Need advice selecting a 2A3 design
  152. Feedback basics
  153. tubalizer..
  154. The 6b4g
  155. 6N6P Operating Points
  156. Lundahl+EL84 PP+concertina+input stage
  157. Help wanted for a truly loco project. (A Tube--gainclone hybrid guitar amp!)
  158. Looking for circuit of SE amp. for Eimac 100TH
  159. Counterpoint Sa-3000 Circuit Diagram
  160. compressor Faiirchild 670 DIY
  161. How much headroom for a choke---to stop it from humming?
  162. Bay Area Diy Festival
  163. Using Eagle for Tubes designs
  164. Worst that could happen?
  165. Identifying output tx.
  166. Small pre
  167. Cathode follower driver
  168. comment on this B+ supply
  169. ODD TUBES, what to look for?
  170. 2A3 SE and Edcorp tranny
  171. Differential amplifier with 12AX7
  172. Bogen Challenger CH30 Amplifier
  173. do I need to use a heatsink on a DN2540 in a B+ supply?
  174. Transformer, 10K 1:1 - which one?
  175. Where to find Blackgate Caps?
  176. Passive Pre-Amp causes huge power loss?
  177. Rubbish fluorescent tubes: Eterna Lighting (UK), GE (US)
  178. Melos TM90 ST schematic?
  179. My first tube preamplifier:)
  180. Opinions on the Conrad Johnson MV75 amplifier please.
  181. Favorite Tubes
  182. SS replacement for 83 tube ?
  183. AMC CVT 2030 Output Transformer.
  184. 6-ohm speaker to tube amp
  185. What tubes share the pinout with the 5687?
  186. SMPS for B+ discussion
  187. Building a 200W+ bass amp
  188. need help understanding voltage regulator schematic (using CCS) from Raleigh Audio
  189. SS No R No C Power Supply for Tubes
  190. FREDs? Replace 1N4003 rectifier diodes?
  191. Hot running regulated dc filament supply for aikido preamp
  192. B+ TX. overkill?
  193. 33 Power Pentode Design Pointers Needed
  194. What Wiki?
  195. help understanding updated DRD from J Elliano's site (using 6AN4 instead of 6n1p)
  196. Zen SE84TS
  197. 5687 tube
  198. Tube vs. Semiconducter rectification
  199. Bogen CHB35 Mods and Preamp ideas
  200. I Want To Build A 100+Watt per/channel Tube Poweramp
  201. Phonodude problem
  202. enjoythemusic's t-rex amp: where is the +70VDC tap?
  203. Earthing and how it effects sound.
  204. Rectifier question
  205. Help for SE Main Transformer
  206. 6D22S Getter Question
  207. Repair of a McIntosh MC225 power amp
  208. OPA627 with tube buffer....
  209. Bell Stereophonic 3030 help
  210. Choosing the line stage preamp.
  211. I Need Help, Mcintosh/Marantz 7 content
  212. For 45 > 845: selecting an 9.5/ 10 Interstage
  213. How to reduce gain of this Tube Preamplifier ?
  214. looking for pp amp schematic without nfb
  215. Pseudo dual mono PS?
  216. WE404A drive 6L6 solution
  217. Looking for info on loudness control
  218. Tubes and minority carriers
  219. suggestions for 3 projects please
  220. DIY tube preamp kit
  221. M6 lamination: what is it?
  222. why is it that most tube projects uses copper sheetmetal?
  223. Sources in the Philippines / Manila
  224. Tube noise - Help
  225. Strange reverb circuit
  226. Tiny tube amp
  227. DC heating directly heated output valves
  228. Alps 250k in a Pas-3 Question
  229. 1st cap heats up...
  230. RCA VR Tube engineering data
  231. dropping heater voltage
  232. Please Help with Sound Valves M40 Monoblock Bias Adjustment Procedure!!!
  233. Old Sony SE OPT's /w 600r tap... cathode feedback maybe?
  234. Which is the poor man 45 tube?
  235. Audio Note Low Gain Quest Power Amplifier
  236. Quad II: Which resistors?
  237. Designing a preamp with two tubes
  238. ARC Classic 30 problem
  239. Why does the 6AS7 have such high Miller capacitance ?
  240. Driving an unusal Z=1k5-2k input spring reverb w/o tranny
  241. serching 5A6 beam power pentode data/curves/schematics for AF practice amp
  242. HPHV regulator measurement
  243. DHT Topology Comparison Question
  244. Secondary Tap of Power Transformer?
  245. Soft-clipping Circuit/tubecad
  246. lack of bass in a 6h30 design
  247. Difference between two novals
  248. C3g
  249. All Tube Stereo power amplifier
  250. what gas VR tube?

Content Relevant URLs by vBSEO 3.3.2