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

  1. 8086 Tubes?
  2. Lil' Devil P-P Amp
  3. 6SN7 vs. 6SL7 in Darling amp
  4. BBC AM8/6 mono tube amp schematic
  5. ST70 works with PAS but not another preamp
  6. Freds in 6X5 psu?
  7. Hi-End 50W Push-Amplifier inspired to AudioResearch
  8. Audioromy fu-29 - push pull!
  9. Help - MS-6V6 Yaqin schematic
  10. High Voltage Direct Drive amplifier for Plasma loudspeaker
  11. A Direct-Coupled Amplifier with Cathode Follower 6V6
  12. Separo- Full Pictorial Disclosure- opinions please
  13. Hammond Integrated Amp Kits 1950s
  14. LW6-180 schematic
  15. What to look for in a tube preamp?
  16. Russian-English Translation of 4P1L datasheet
  17. Can anybody identify this
  18. New York Audio Labs (NYAL) OTL1
  19. 5F6A via Mechanical Design
  20. New to tubes, need your advice.
  21. Brook 12a clone
  22. What type of audio transformers to use for tubes / valves
  23. need advice about building tube xover as a piece of art
  24. My first amp project, 6BQ5 (EL84) Single-End
  25. MA 6P1 6AQ5 Push-Pull Valve Tube Integrated Amplifier
  26. Stupid AB bias question
  27. Jamoke Direct to LPT/CCS PP EL34
  28. 4 x EL84 (6BQ5) in Push-Pull - Power Supply
  29. RFC: 300B driven by anode follower (6J5/6SN7)
  30. AVO VCM163 oddity
  31. Shuguang SG-50 ( RCA UX-250 replica) comments ???
  32. Schematic question (Trainwreck)
  33. Novel mode of lithium battery bias
  34. power supply problem in my dream amp...
  35. Understanding how to wire up an Output Transformer
  36. Tube sound without the tube! (almost)
  37. Replace Bypass Cap?
  38. Sales On Sound Vintage 40s Tube Amp Info
  39. Why am I blowing fuses when connecting to next component?
  40. New owner to an old Heathkit AA-121
  41. New amp just finished 6080 pp opt
  42. Aikido as DAC I/V?
  43. Have two 572B-162L USA mfg tubes for trade
  44. Potentiometer question
  45. DHT circuit development for noob:)
  46. modifying a schematic
  47. TV-4a/u Weston USM Tube Tester: got a manual or schematic?
  48. Any idea what the primary impedance of the X101-B OPT is?
  49. Transformer Ratings
  50. noisy Gain knob
  51. overcooling question
  52. Ecl82 PP amp rebuild - suggestions?
  53. GU-50 PP amp project - Any favs?
  54. External DC power supply?
  55. shielded wire
  56. Noise & attenuation
  57. Thinking of building the SV300B Push-Pull
  58. Transformers for Push-Pull sweep tubes
  59. 12BG3's
  60. Valve audio circuit design questions.
  61. jcm 800 preamp?
  62. srpp & distortion
  63. Common cathode circuit values
  64. Resilient Mounts - Materials Science help please
  65. Raytheon 6G-B6 information
  66. Output transformers
  67. Filament winding wire diameter
  68. EL34 for ST70
  69. Building a Tube PreAmp for Teddy
  70. series capacitor values..
  71. Music Angel KT88 correct circuit
  72. G1=G2/mu Scaled Drive Strawman Design
  73. Output transformer for 845 SE triode amp
  74. "10 year burn in" T Shirt arrives!!!
  75. Thinking out loud -- VT-33 headphone amp?
  76. Elektor USB magic eye
  77. Maganavox Tubes Made in USA?
  78. Magic Eye VU Meter
  79. More EBAY Madness !!
  80. Major modifications of a Bogen AP-35
  81. Help with circuitmaker Pentode model
  82. Kt-120 ?
  83. Help with 6F5/6L6 rebuild...
  84. What Speaker for Webcor Tube Amp?
  85. Possible use for Pentagrid tubes??
  86. Rogers Cadet III integrated
  87. Quad II - Can 6P3S-E/GU50 be used as KT66 direct replacement?
  88. Using Grid2 screen signal -
  89. 6n6p tube as output tube for small guitar amp
  90. YAAGLI - Yet Another Aikido Ground Loop Issue
  91. Tube rectifier question.
  92. Dac with tube preamp?
  93. 5712 tube data needed
  94. 180 pF capacitor and other questions
  95. Simple question: Stereo to monos. How.
  96. Plate dissipation specs for 21KQ6
  97. Yaqin pre-out for subwoofer?
  98. Grid Chokes and choke load
  99. First tube amp project: GO!
  100. Hybrid Amp
  101. Circuit weirdness?
  102. How suitable is this tranformer for a Tube Amp Project?
  103. Best way to solder gold-plated components?
  104. Phono EQ hiss/white noise!!!
  105. help needed with grounded grid CCS upgrade
  106. Resistor wattage?
  107. SCORE! Kepco Tube Power supplies!
  108. 6SN7-2A3 SE Amp - James Transformers
  109. Capacitor explosion.
  110. JJ ECC81/12AT7 Longevity
  111. 6V6GTA Tubes, H/K A300 Transformers, Now What?
  112. DIY valve radio
  113. U600 rectifier valve datasheet, please !!!
  114. Capacitors
  115. please help ! 5687 cd player buffer
  116. LK-72 mis-wired or am I confused?
  117. Need help with tube ID.
  118. spud amp 6c45pi vs 5842
  119. Air gapping transformers
  120. Voltage Measurement
  121. Cornell-Dubilier Caps Western Electric 91A Amplifier
  122. My take on a modern ST-70
  123. pls suggest a project
  124. Help with input stage driver for EL84 output stage
  125. Trying to make sense of the Sweet Peach
  126. Cornell-Dubilier Paper In Oil Capacitors
  127. lm3886 + cathode follower PS problem
  128. Completely differential amplifier final stage
  129. Capacitors in series for coupling?
  130. Help needed with messed-up-amp repairs.
  131. 6DJ8 tube schematic as balanced line stage?
  132. 6DJ8 (balanced) tube line stage
  133. Knight amp circut voltages
  134. Make Mono Phonograph into Mic Preamp?
  135. Yet another passive attenuator
  136. What tube is this?
  137. El Cheapo ok for a first build?
  138. Anyone in Vancouver with a tube tester?
  139. How long can I expect a tube to last
  140. Output transformers... which one...?
  141. My MA845 modded and questions
  142. Sun Audio SV-2a3 HK Clone
  143. departure and tube slop
  144. Wire construction for capped tube plates
  145. Grid resistor location
  146. Meng Yue X1 trial
  147. Yarland pro845
  148. Faulty 5881 tube ?
  149. MF Xpre - help pls!!
  150. Heaters Voltage
  151. Pleas help identify this McIntosh valve amplifier
  152. Curves for Triode Connected 6EW6
  153. microwave oven transformer..
  154. Marantz 8b tubes
  155. Request: The schematic of Audible illusions MODULUS 3
  156. How many watts are really needed?
  157. Worn Tube Rectifier
  158. Bogen CHB35a Problem
  159. 29KQ6 Datasheet
  160. Help selecting a thermistor
  161. Beard P.101, new-to-me.
  162. Audioromy 838 Amp Broke need help..
  163. Inexpensive Guitar Amp
  164. How to Read faded Tube Numbers
  165. Test data for 6H30PI & Hickok 539??
  166. Tube Text books "Reich"
  167. PCL805 parafeed SE idea + question
  168. 12V driver tubes for Engineer's Amp?
  169. >200W with 6BG6GA
  170. Leak stereo 20 modification
  171. Baby Huey components
  172. Monstrous 1kW amp!
  173. blue glow, how?
  174. Using different transformer taps for each needed B+
  175. Heating DHT Cathodes a new way???
  176. Noise problem in 572-10 PP amplifier
  177. Power transformer question (Bud?? calling Bud)
  178. Identifying 12AX7 Tubes
  179. PAS3 to volume pot
  180. 5F6A Amp build help (Fender Bassman)
  181. Jean Hiraga SE KT88
  182. ASC motor run caps....can they be mounted horizontal???
  183. Millivolt signal and tube sockets
  184. 6N1P Data sheet differences
  185. Confident in buying tubes on ebay ?
  186. CCS Troubles
  187. Mengyue el34b schematic needed
  188. safest way to power up a new build
  189. Phono amp Raytheon 6418 tubes
  190. YL1350 Help characteristic and output tranies
  191. EL84 PP using 5K plate to plate primate OPT
  192. VR tube flashing?
  193. Tabletop 12au7 Amp
  194. Renovated website: www.pmillett.com, www.tubebooks.org
  195. Troubleshooting Eico HF-85
  196. Custom chassis europe
  197. Mixer from pre-amp design
  198. SE Output Tranny - Dumb Question
  199. What Tube for a Differential Amplifier?
  200. Thinking of buying a Lumley Reference ST70 with attached passive pre
  201. Psu
  202. Protection of the Irreplaceable
  203. Trix T621 PA amplifier (British)
  204. Resistor types ??? (carbon or metal film)
  205. First Amp Build
  206. Help ID these little PP output xfrmrs?
  207. Rectifier voltage drop question
  208. dc and ac heater supply in Aikido
  209. Can I obtain a suitable B+ voltage with spare parts?
  210. Multi tap transformers dont use the whole windings?
  211. First layout with spud
  212. EL152, GU50 and EL156
  213. Convert a 110 volt Mcintosh Mc275 to 230volt
  214. transformer maker list
  215. design a preamp, so easy....
  216. SRPP - determining load and balancing
  217. Idea for all C3g phono stage
  218. temp check
  219. Pentode Question
  220. K & K Audio Transformer phase splitter?
  221. Transformer Efficiency
  222. How to test a 6H30 tube
  223. Karaoke Tube Hi-end In The Future
  224. What makes the old McIntosh stuff so good?
  225. Paralell 10M45's for 71A DHT filament?
  226. Rod Coleman CCS/gyrator help
  227. Differential amp.Do they pass 2nd harmonics or reject them?
  228. A half 6sl7 tube
  229. failing tube
  230. Capacitor in series - Resistor across ?
  231. Tube preamp choise...
  232. Some general tube questions from a Tube newbie !!
  233. How unsafe is an Autotransformer?
  234. Can a dual triode use a common cathode resistor?
  235. Dared MC-7P
  236. SRC2496 Miniatube tube output stage
  237. Tubetech smc2b multiband compressor
  238. Tweaking/correction question - Xindak MT-1 balance
  239. HELP! ELNA CERAFINE 500V Caps
  240. Em87/ em84
  241. Pioneer SM-83 restoration
  242. Best GM70 version suited for audio??
  243. PSUDII transformer question
  244. what are these caps doing?
  245. Distortion VS OPT impedence
  246. Heater wiring approaches
  247. Rogers pops, crackle and static are driving me mad!
  248. tube power enough?
  249. Ever notice those scratches on some plates??
  250. JE 45/2A3 SE 2001 edition

Content Relevant URLs by vBSEO 3.3.2