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

  1. eschematic amplifier sinle end 12at7 6av6 6bq5
  2. Wiring - Audio Note Transformer Parallel Single-Ended 300B
  3. HV using zener diode
  4. Akai M8 rebuild up and running!
  5. Best current production 2a3
  6. what happens when plugging a stereo source into mono jack on a tube amp?
  7. Transformer coupled Gainclone idea.
  8. Audio Research VT100
  9. output transformer turns per volt
  10. valves and metal cones= bad mating?
  11. Why do you need a grid to ground resistor on a line stage?
  12. Need some help with RIAA Preamp
  13. Swapping transformer cores
  14. got hold of a bunch of tubes...
  15. output transformer secondary configuration
  16. WE/Ultrapath B+ Where?
  17. Blending 12ax7 parallel gain stages
  18. Sudden spark.
  19. Priboj Reborn
  20. Misunderstand of sijosae schematic
  21. 12AX7 Identification
  22. GM70 Datasheet Error!!
  23. Using old Hammond iron
  24. Need confirmation on LED bias for circuit
  25. Tone control problems
  26. Tube Parameter "Attenuation, Harmonic" What is it?
  27. Bias adjust on '65 Twin Reverb Reissue AB763 - 2004?
  28. Need HELP on Randall RGT100ES 6L6 to EL34
  29. Tube amp with Dual Triode
  30. Fisher X-101-C bias question
  31. DC Current-Regulated 300B filaments?
  32. Anyone ever use DC to heat rectifier tubes?
  33. Tantalum Resistor Watt?
  34. Help Choosing Power Supply Voltage Regulator Aikido Phono Amp
  35. Best sounding remote control volume
  36. plate and screen voltage
  37. 12AT7 plate voltage
  38. Latest LTspice giving crazy FFT results
  39. Dynakit PC-3A as a balance pre?
  40. e283cc better sounding than?
  41. Porchlight Scratchbuild
  42. No output and Loud squeals! Help!
  43. Low mu triode for phase splitter
  44. Help figuring which is the center tap???
  45. Help with Paco SA-40
  46. Best tube/sonics
  47. One Half 12AU7
  48. 1939 Novachord - 163 Tube Monster!!
  49. Gyrators to replace PSU chokes?
  50. Output trannies for 6as7
  51. 2 Toroids = 1 Isolation Transformer?
  52. Finding Transformer Building Supplies
  53. Sagging Heaters
  54. Kofi Annan in: "Kofi's Baby Huey"
  55. Point to point wiring help
  56. help !! PTT2s Line stage
  57. Rickard Berglund, Sweden
  58. "The Sussex Homebrew Valve Tester"
  59. clipping
  60. Wanted: a couple of UNF bolts
  61. H-Bridge Amp Design
  62. need help with yaqin mc10l
  63. Watt the?
  64. DIY tube preamp with 5687
  65. Help with tube stereo build
  66. Tube recommendation for speakers
  67. Bogen mx60a Schematic
  68. Eliminating volume pot?
  69. CXPP100-MS-3.3K or CXPP100-MS-4.2K
  70. tube power supply voltage
  71. Driver Bypass Cap - Value?
  72. Tube bases and plate caps rant
  73. tube dual regulated psu needs amp
  74. Help me choose output transformers
  75. 12GT5-guitar amp.
  76. Verdier dual regulated tube psu
  77. Aikido Phono Amp Output Tubes 12AU7 and 12AX7?
  78. Mullard EL84 ID
  79. schematic request for transformer with 4k primary and UL taps
  80. Plate-Grid feedback: How to get better than DHT performance from cheaper tubes
  81. Anyone going to the Dayton Hamfest?
  82. More class D madness
  83. the SuperHybrid
  84. Tecon Model "55" final mods(?)
  85. Hammond P-T125E OPT
  86. Highbred Amp "TUMOS" Sounds good?
  87. 300B SET which chassis design
  88. Help with creating a simple tube HV regulated supply
  89. Tube Sockets for oddball miniatures
  90. McGohan M506 PA Guitar conversion mods.
  91. Bogen chb35a
  92. My last el84 PP tube amplifier
  93. Ultrapath - Advantages?
  94. Phono preamp with c/em2
  95. 12AY7 plate current
  96. OPT identification
  97. Resistor values at supply to anodes
  98. Typical output impedance for tube amps
  99. Problems with EM87 stereo level indicator for computer line out
  100. VR tube recommendation
  101. Mills MRA-5 resistors in tube circuits
  102. B&K Dyna-Quik 500 shows good tubes as Shorted
  103. Output transformers
  104. dbx 386 upgrade
  105. Sub 6n6p for 6n1p?
  106. SET Amp History in Japan
  107. Grid Bias or Cathode Bias
  108. Oscillating CJ PV-5
  109. FireFly Single Ended Tetrode
  110. Aikido front end for a SE 6C33S
  111. Ground Plane vs Star earth
  112. Circuit board with long post??
  113. ecc804 as Phase Splitter
  114. What can you do with a 3a5?
  115. Auto Wave soldering sockets
  116. Using diode for biasing
  117. No bass in 300b amp
  118. Tube socket and pin cleaning
  119. Help With Left Channel Hum
  120. Volume pot has rustling sound
  121. How best to distribute heater windings
  122. 30MB6 data
  123. Kofi Annan in: "Pushed and Pulled Back!"
  124. How dangerous is it to build an SET?
  125. 6as7 SE OTL
  126. Melody Roll
  127. 8417 Output Transformer
  128. Do you still need matched tubes if running a CCS ?
  129. Is a LM335 a direct replacement for a LM317T?
  130. Bias worry
  131. About the tube 6463
  132. awesome RCA MI 12158 tube amp project
  133. Crazy idea: Output tranny with constant magnetic gap?
  134. Most linear triode-strapped pentode
  135. Aikidio Phono Amp Questions
  136. Sample and Hold
  137. Big push-pull power for dummies
  138. Foxtrot Guitar Amp - Output transformer
  139. Taking my KT88 SE E-linear amp to the next level (long)
  140. Aikido Janus Shunt PSU
  141. 12b4a phase splitter! The best?
  142. Sansui 500EA vs. 500A
  143. Cascoded Ring of Two for Plate Load
  144. 6SL7 distortion
  145. My new PL36 Push-Pull amp
  146. adding line out to guitar tube preamp
  147. Thyratrons
  148. Tube ampl. for repair
  149. Date codes
  150. China Sountrack KT88 need shematic
  151. Anyone know anything about the Luxman A-2003 tube xover?
  152. Dynamic negative feedback?
  153. Need help with Ampeg J-20 crackling buzzing hissing noise issue/blocking distortion?
  154. New bie: some questions, want to start DIY pre amp
  155. Power Transformer issue
  156. Guess That Tube
  157. Poor soundstage with SET 300B
  158. Dedicated ESL amp -- please comment
  159. Buzzing AC relay coil
  160. Stereo amp parallel wired to mono - possible?
  161. Need biasing advice, cathode biased amp.
  162. Before I go ahead and build this...
  163. Beginner Tube Stereo
  164. 6AU6 and 6J5 for Guitar amp or pedal?
  165. Morgan Jones and the ECC88/6922/6DJ8
  166. Help with matching speaker impedance to old tube amp
  167. srpp 2a3 power supply
  168. 12AX7 Tube Question
  169. New problem with Music Angel KT88
  170. Need help changing 12V heater to 6V
  171. Phono cathode follower challenge!!
  172. 6au6 for stereo?
  173. determining input/output impedance
  174. "Singing" output transformers
  175. Sustitute 5842 for EC86
  176. Vege-toobz ;)
  177. precision electronics inc. tube guitar amplifier
  178. Bad channel in RCA Victor Console
  179. Did tone bypass on PAS what about caps
  180. Pe06/40n
  181. Anyone own an HH Scott LK-72 Integrated amp?
  182. HELP!! Howling K12G!!
  183. McIntosh MC60 Bias question
  184. Connecting a MF tube buffer directly to AKM DAC
  185. How to evaluate RF tubes for power and fidelity?
  186. Amity Amp Nutshell Audio
  187. 8086 Tubes?
  188. Lil' Devil P-P Amp
  189. 6SN7 vs. 6SL7 in Darling amp
  190. BBC AM8/6 mono tube amp schematic
  191. ST70 works with PAS but not another preamp
  192. Freds in 6X5 psu?
  193. Hi-End 50W Push-Amplifier inspired to AudioResearch
  194. Audioromy fu-29 - push pull!
  195. Help - MS-6V6 Yaqin schematic
  196. High Voltage Direct Drive amplifier for Plasma loudspeaker
  197. A Direct-Coupled Amplifier with Cathode Follower 6V6
  198. Separo- Full Pictorial Disclosure- opinions please
  199. Hammond Integrated Amp Kits 1950s
  200. LW6-180 schematic
  201. What to look for in a tube preamp?
  202. Russian-English Translation of 4P1L datasheet
  203. Can anybody identify this
  204. New York Audio Labs (NYAL) OTL1
  205. 5F6A via Mechanical Design
  206. New to tubes, need your advice.
  207. Brook 12a clone
  208. What type of audio transformers to use for tubes / valves
  209. need advice about building tube xover as a piece of art
  210. My first amp project, 6BQ5 (EL84) Single-End
  211. MA 6P1 6AQ5 Push-Pull Valve Tube Integrated Amplifier
  212. Stupid AB bias question
  213. Jamoke Direct to LPT/CCS PP EL34
  214. 4 x EL84 (6BQ5) in Push-Pull - Power Supply
  215. RFC: 300B driven by anode follower (6J5/6SN7)
  216. AVO VCM163 oddity
  217. Shuguang SG-50 ( RCA UX-250 replica) comments ???
  218. Schematic question (Trainwreck)
  219. Novel mode of lithium battery bias
  220. power supply problem in my dream amp...
  221. Understanding how to wire up an Output Transformer
  222. Tube sound without the tube! (almost)
  223. Replace Bypass Cap?
  224. Sales On Sound Vintage 40s Tube Amp Info
  225. Why am I blowing fuses when connecting to next component?
  226. New owner to an old Heathkit AA-121
  227. New amp just finished 6080 pp opt
  228. Aikido as DAC I/V?
  229. Have two 572B-162L USA mfg tubes for trade
  230. Potentiometer question
  231. DHT circuit development for noob:)
  232. modifying a schematic
  233. TV-4a/u Weston USM Tube Tester: got a manual or schematic?
  234. Any idea what the primary impedance of the X101-B OPT is?
  235. Transformer Ratings
  236. noisy Gain knob
  237. overcooling question
  238. Ecl82 PP amp rebuild - suggestions?
  239. GU-50 PP amp project - Any favs?
  240. External DC power supply?
  241. shielded wire
  242. Noise & attenuation
  243. Thinking of building the SV300B Push-Pull
  244. Transformers for Push-Pull sweep tubes
  245. 12BG3's
  246. Valve audio circuit design questions.
  247. jcm 800 preamp?
  248. srpp & distortion
  249. Common cathode circuit values
  250. Resilient Mounts - Materials Science help please

Content Relevant URLs by vBSEO 3.3.2