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

  1. swdfasdfsdf
  2. measuring heater voltage
  3. Need a circuit around these tubes.
  4. Single-Ended 13E1 amplifier
  5. Whats' the max allowable / reasonable ripple in SE amp?
  6. What amp kits are out there?
  7. ECC84/6N14P for audio
  8. PSU ignorant
  9. How to define a quality OT?
  10. Looking for some build advice
  11. ASC oil caps vs M-tube cap for ps
  12. SS CCS and distortion
  13. the valve with no markings
  14. Pentode AB1 design school???
  15. Capability of Sony/Tamradio SE Output Transformers
  16. my CELLINI triode amp
  17. 45-based SET -> Pass Labs F4
  18. Testing Amplifiers - Speaker or dummy load
  19. Quiet amp hums with signal source or input directly tied to star earth??
  20. amp output testing
  21. S5 Amp Comparison?
  22. How to Ground a Preamp PCB Board?
  23. RH807 / 6L6GC g2 issues
  24. 2010: Replacement for Black Gate WKZ 100uF+100uF 500V
  25. sunn solarus guitar amp
  26. Converting Dynaco ST70 Power Transformer for 12.6V
  27. Simple CF with 5687/6900/E182CC
  28. World Audio Design 5881 Schematic needed
  29. PP triode transformer load
  30. 6V6 PP load line
  31. Need help to under stand this 6n3 Kit from ebay
  32. Help:ampeg svt 2 pro 100v>>240v
  33. Blown left channel
  34. Tube preamp build help-heaters
  35. Medium Power SET, EL156 based
  36. Concertina Splitter question - Need help
  37. 6V6 amp - schematic options
  38. Lectron pa50+jh50
  39. 4pr60b valve
  40. Transformer phase splitter
  41. Help! ground hum
  42. Question regarding Leak Stereo 20 and 6SN7 line stage preamp
  43. Recommended upgrades for Yaqin Tube Buffer ?
  44. 6J5 or 6S4 mic amp?
  45. ST-70 build, ideas and advice
  46. Yaqin MC-100B Help Needed!
  47. Preamp Aikido : 6ax5GT,12au7,2c51
  48. Heater of tube
  49. R-Core Winders
  50. 1946 philco amp, tuner, record player
  51. otions for drawing tube schematics on Mac..?
  52. Push/Pull Plate Load Choke - how to figure Inductance?
  53. 6aw8-a tube question
  54. Newbie needs a point in the right direction
  55. Minimalist PL519 OTL?
  56. Telefunken schematics
  57. parallel pp EL84
  58. AD1 Operating Question
  59. 6П3С-Е Russian NOS: Gas Problem
  60. Favourite EL34 circuit
  61. Medium power SET with parallel OP tubes
  62. sds labs into Pas3
  63. Low voltage 6922 preamp...wanting a schematic
  64. Voltage Gain on Long Tailed Drivers
  65. Purpose of 5842 tube?!?
  66. MA XDSE KT88 vs YAQIN MC-100B KT88
  67. JBL Amplifier story
  68. Fender tweed pro-amp clone
  69. Recommended spacing for multiple 5AR4's
  70. Cap choices coupling
  71. Output transformer for PP EL34 source
  72. mini max pre
  73. use 2 ohm speakers
  74. Ask tube rect 5u4c and JJ caps
  75. Adding caps to prevent oscilation in AF 5687
  76. Williamson on EL84. Is it worth doing?
  77. CCS and regulated B+
  78. Garter cross-coupled feedback
  79. soundcard protection Z ???
  80. Using a CCS on SE Output Stage
  81. First amp build... help please!
  82. multiple independent grid biasing from 1 mosfet
  83. Eico HF-81 modification opinion
  84. 4K or 5K Output Transformer
  85. Noisy input on Michaelson & Austin TVA-1
  86. Precision Electronics S-35 help,
  87. Rogers Cadet 3 Problem
  88. Triode Electronics VS Hammond
  89. TRIODE OPERATION USING THE SCREEN GRIDS AS THE CONTROL GRID - this work ?
  90. Start up delay needed???
  91. Connecting a stereo amp as a mono-block
  92. HQ-DHT (All tube DHT amli) 26-45-2A3
  93. 24A tube in triode mode, help !!!
  94. Amperite Ballast
  95. Need super quiet 6.3V filament supply schematic
  96. (Sound Space)Houston 2A3 Power Amplifier
  97. James Burgess 2A3 Monoblocks
  98. Funny tube tale from southamerica
  99. RCA 7189 Black Plates
  100. Preamp nasty noise and hum
  101. EDCOR VS One Electron
  102. Parallel output tubes/valves in push pull. Advantages/disadvantages?
  103. Robinhood output transformers?
  104. looking for help diagnosing volume loss on tube amplified reel to reel player
  105. Question about power consumption Hagerman Cornet Octal
  106. valve rectifier in PSUD
  107. Can you explain what this is ?
  108. volume rise with frequency problem
  109. 1 + 1 = 3 :)
  110. What would the perfect multi-way speaker for a tube amp look like?
  111. GU50 compared with EL84
  112. Counterpoint SA-4 manual and schematics
  113. Ever heard of a Valvo 16ECC ?
  114. the Reversal SRPP
  115. Want to build a C3G linestage
  116. 30A5 tubes
  117. Good speakers to match a K-12
  118. Driving Long Cables, how much current?
  119. twin triode question
  120. Am I going to blow up my 7189s
  121. How is wattage calculated when only using a single section?
  122. Counterpoint SA5 problems and a question.
  123. Headphone Amplifier 6922EH
  124. Fuse Clip for Small Plate Cap Use
  125. Advice sought on medium power triode for tube headphone amplifier
  126. Not the 111M; A Precise 116 Tube Tester
  127. Input stage
  128. Does anyone have any FFT plots from real Class-AB tube amps?
  129. Testing for a Damaged Output Trafo
  130. What has happened to WE Huntsville lately?
  131. Output Transformers Sun HCT 1003 KT
  132. Plexiglass case for small tubes?
  133. 100 Best Sound Tubes
  134. Input tube bias
  135. eschematic amplifier sinle end 12at7 6av6 6bq5
  136. Wiring - Audio Note Transformer Parallel Single-Ended 300B
  137. HV using zener diode
  138. Akai M8 rebuild up and running!
  139. Best current production 2a3
  140. what happens when plugging a stereo source into mono jack on a tube amp?
  141. Transformer coupled Gainclone idea.
  142. Audio Research VT100
  143. output transformer turns per volt
  144. valves and metal cones= bad mating?
  145. Why do you need a grid to ground resistor on a line stage?
  146. Need some help with RIAA Preamp
  147. Swapping transformer cores
  148. got hold of a bunch of tubes...
  149. output transformer secondary configuration
  150. WE/Ultrapath B+ Where?
  151. Blending 12ax7 parallel gain stages
  152. Sudden spark.
  153. Priboj Reborn
  154. Misunderstand of sijosae schematic
  155. 12AX7 Identification
  156. GM70 Datasheet Error!!
  157. Using old Hammond iron
  158. Need confirmation on LED bias for circuit
  159. Tone control problems
  160. Tube Parameter "Attenuation, Harmonic" What is it?
  161. Bias adjust on '65 Twin Reverb Reissue AB763 - 2004?
  162. Need HELP on Randall RGT100ES 6L6 to EL34
  163. Tube amp with Dual Triode
  164. Fisher X-101-C bias question
  165. DC Current-Regulated 300B filaments?
  166. Anyone ever use DC to heat rectifier tubes?
  167. Tantalum Resistor Watt?
  168. Help Choosing Power Supply Voltage Regulator Aikido Phono Amp
  169. Best sounding remote control volume
  170. plate and screen voltage
  171. 12AT7 plate voltage
  172. Latest LTspice giving crazy FFT results
  173. Dynakit PC-3A as a balance pre?
  174. e283cc better sounding than?
  175. Porchlight Scratchbuild
  176. No output and Loud squeals! Help!
  177. Low mu triode for phase splitter
  178. Help figuring which is the center tap???
  179. Help with Paco SA-40
  180. Best tube/sonics
  181. One Half 12AU7
  182. 1939 Novachord - 163 Tube Monster!!
  183. Gyrators to replace PSU chokes?
  184. Output trannies for 6as7
  185. 2 Toroids = 1 Isolation Transformer?
  186. Finding Transformer Building Supplies
  187. Sagging Heaters
  188. Kofi Annan in: "Kofi's Baby Huey"
  189. Point to point wiring help
  190. help !! PTT2s Line stage
  191. Rickard Berglund, Sweden
  192. "The Sussex Homebrew Valve Tester"
  193. clipping
  194. Wanted: a couple of UNF bolts
  195. H-Bridge Amp Design
  196. need help with yaqin mc10l
  197. Watt the?
  198. DIY tube preamp with 5687
  199. Help with tube stereo build
  200. Tube recommendation for speakers
  201. Bogen mx60a Schematic
  202. Eliminating volume pot?
  203. CXPP100-MS-3.3K or CXPP100-MS-4.2K
  204. tube power supply voltage
  205. Driver Bypass Cap - Value?
  206. Tube bases and plate caps rant
  207. tube dual regulated psu needs amp
  208. Help me choose output transformers
  209. 12GT5-guitar amp.
  210. Verdier dual regulated tube psu
  211. Aikido Phono Amp Output Tubes 12AU7 and 12AX7?
  212. Mullard EL84 ID
  213. schematic request for transformer with 4k primary and UL taps
  214. Plate-Grid feedback: How to get better than DHT performance from cheaper tubes
  215. Anyone going to the Dayton Hamfest?
  216. More class D madness
  217. the SuperHybrid
  218. Tecon Model "55" final mods(?)
  219. Hammond P-T125E OPT
  220. Highbred Amp "TUMOS" Sounds good?
  221. 300B SET which chassis design
  222. Help with creating a simple tube HV regulated supply
  223. Tube Sockets for oddball miniatures
  224. McGohan M506 PA Guitar conversion mods.
  225. Bogen chb35a
  226. My last el84 PP tube amplifier
  227. Ultrapath - Advantages?
  228. Phono preamp with c/em2
  229. 12AY7 plate current
  230. OPT identification
  231. Resistor values at supply to anodes
  232. Typical output impedance for tube amps
  233. Problems with EM87 stereo level indicator for computer line out
  234. VR tube recommendation
  235. Mills MRA-5 resistors in tube circuits
  236. B&K Dyna-Quik 500 shows good tubes as Shorted
  237. Output transformers
  238. dbx 386 upgrade
  239. Sub 6n6p for 6n1p?
  240. SET Amp History in Japan
  241. Grid Bias or Cathode Bias
  242. Oscillating CJ PV-5
  243. FireFly Single Ended Tetrode
  244. Aikido front end for a SE 6C33S
  245. Ground Plane vs Star earth
  246. Circuit board with long post??
  247. ecc804 as Phase Splitter
  248. What can you do with a 3a5?
  249. Auto Wave soldering sockets
  250. Using diode for biasing

Content Relevant URLs by vBSEO 3.3.2