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. el84 set amp for 90db-8ohm speaker?
  2. My first cap coupled 2 stage
  3. Dodd Buffer Tube Rolling?
  4. Lowest THD Tube Design Possible? (Need for a class, I realize it doesn't matter)
  5. Olson-Morgan 6F6 Amplifier Info's needed.
  6. Newbie, Help with datasheet
  7. Conrad Johnson MV55 again - and Hi from a newb
  8. Interesting one piece EL34 PP tube amp diy pcb on ebay
  9. Low power stereo (dual mono) tube headphone amp
  10. 6EJ7's vs. 6JC6A
  11. EL34s Frying in my Cayin A50-T
  12. Grid Leak Amplifier with Unexpected Heater Resistor
  13. 7617 tube data
  14. preamplifier with huge amplification
  15. Counterpoint Amp Output
  16. Phase inverter Gremlins in Philips EL6431 amp
  17. Russian to English Translation needed
  18. Concertina type Phase inverters?
  19. Double C-Core output transformers
  20. Amplifier slew rate and DSD playback
  21. Bypassing volume pot on Cayin integrated tube amp
  22. Distortion when change into ecc83
  23. Mighty Midget Problem (One channel is louder)
  24. Mullard ECL86 3W Economical Amplifier
  25. Building a Baby Huey EL84 amp - might need some pointers
  26. Tranformer Choice
  27. Heathkit WM-5
  28. Aikido preamp power supply
  29. identify this traffo
  30. transformers
  31. parallel tube amplifier.
  32. What to do with a 12" x 8" enclosure?
  33. Odd filament winding
  34. transformers
  35. tube choices for an ST70
  36. "Arabella" - 6EM7 amplifier on Acacia
  37. CDE acquisition of Orange Drop Brand
  38. What is this inductor?
  39. Counterpoint SA-5000 upgrade
  40. Homebrew tube preamp noise
  41. Cathode follower with 12ax7
  42. CPC Japanese Tubes ?
  43. Cary SLA-70 with KT88 - worth building?
  44. Opinions or comments on schematic please
  45. Is this a tie point or a diode?
  46. Need Pinout Help, Silvertone Organ Amp
  47. Pushing EL36 ??
  48. Power Supply Chokes Question ?
  49. First Post, Viking/T Eaton co Tube Amp Issues! *Pictures*
  50. Knight 40 W Amp. tubes correct? Location?
  51. Push-Pull Output Transformer with Cathode Feedback Winding?
  52. 300b amp help
  53. Help with Dynaco value
  54. INTERSTAGE 2A3/211
  55. TCJ Push Pull Amp Calculator question
  56. winter project KT88 PP
  57. En Vogue Darling SRPP SE SRPP tube amp will this work?
  58. Shunt regulation for HT
  59. Unison research simply two, what gridvoltage for EL34?
  60. Finally Measured my Tube Preamp
  61. Aikido octal stereo problems
  62. Philips 5 pin IEC connector in AG9016
  63. Dynaclone OPT replacement - less power than expected
  64. 2 ECL 805 SE
  65. All DHT headphone amp with 4P1L & 307A
  66. cary audio rocket 88 tube amp
  67. Compactron Driver Dynaco MarkIII PCB Design.
  68. Paralelling pentodes ?
  69. KT120 Single Ended Ultralinear
  70. Does a PCL805 glow red at its maximum rating?
  71. V1 Noise Reduction Choices
  72. full pentode ppp
  73. Input transformer question
  74. Is this Tesla ECC803S real or fake?
  75. Michaelson and Austin TVA-1
  76. EN VOGUE DARLING SRPP SE PARALLEL 1626 REVIEW NEEDED
  77. 6EB8\6GN8 P-P Output 2*12w Class-B
  78. B+ regulator for KT88 amplifier
  79. Help figuring out wind/hiss
  80. 12A07 low voltage preamp
  81. Buying guideline for 6c33c
  82. New 211/VT4c shootout
  83. GM70 Output transformer
  84. OTL 2013
  85. Octal Preamp Triode Thoughts (IDHT's)
  86. Wrong tube and pin wiring
  87. New Production Tube If Transformers from Germany
  88. Vishay TX2575 resistor placement
  89. Direct connected madness
  90. RH84 build & quite a few questions...
  91. Tube preamp kits
  92. Capacitor query L1 audio innovation pre-amp
  93. Someone Told Me This Wouldn't Work?
  94. How to "do" a FM Multipath Monitor
  95. EF86 pins 2 & 7
  96. Welborne 300B DRD amp
  97. My First Tube Project: 6N16B
  98. Triode mod with G2, G3 connect to anode
  99. Valve mic cable diy
  100. Toroidal transformer is bad
  101. Coupling caps suggestions
  102. EABC80 and the double diode triode?
  103. Frequent Question -Golden Tube Audio 300B monos schematic??
  104. Transformer Terminal Designators
  105. Slew rate limiting in output stage
  106. Sonic Frontiers Line 2 - no line level output
  107. KT88 Ultralinear?
  108. Help with 12AT7 CCDA - EL34 SE Amp Design?
  109. THE FINAL AMP
  110. need 6SN7/6H8C reccom. for amp
  111. 211 parallel amp (made in Iran)
  112. Changing to twisted pair heater from one side grounded
  113. Choke input supply. Cap question.
  114. tube rectifier 6AX4GT
  115. RS1003 triode mode Spice models
  116. Firestone 6V6 Monoblock Problems
  117. Lundahl Output transformers?
  118. GMI-6 / GMI-6-1
  119. New power transformer for Millett's DCPP amp,now available at EDCOR
  120. Tuned Circuit?
  121. remote lead for tubes
  122. Building a Stereo EL84 auto bias PP tube amp
  123. Tube conversion of differential to single ended signal
  124. A transconductance tube amplifier
  125. Unknown Tube
  126. 12vdc to 150vac
  127. When is a tube too weak?
  128. The Best Way To Separate L+R and Driver/Output Tube Power Supply ?
  129. Biasing aBerning EA-230
  130. Aikido Noob - Please Help!
  131. Wiring Capacitors in Series
  132. Dynaco ST35 power transformer
  133. sunn 200s diagnosis?
  134. Individual Coupling Caps
  135. Valve Pre > Intergrated amp
  136. Whats the difference RH84 or Mullard 3-3?
  137. Ultra-Linear SE EL84?
  138. Self balancing pp using ccs question
  139. Help: How To Select Schottky Rectifer Diode
  140. 6550 plate resistance in triode mode? Calculate?
  141. making 6sj7 have same gain as 6sl7
  142. Thick Film resistors?
  143. Mounting position EL84
  144. Curve Tracer: Which One To Buy, What To Consider, Options ?
  145. 71A Tube Filament: AC or DC ?
  146. My Current Line + Phono Combo
  147. What is better than one audioromy M-828A FU29?
  148. Mazda tube
  149. Aikido selectable gain
  150. Preamp power supply
  151. Has anyone used CV9 tubes in a pp design
  152. 9 pin Vector turret socketsIt seems that Vector turret 9 pin sockets are hard to come
  153. BALANCED AUDIO VK 5 VK20
  154. Output transformer computation
  155. 2E25 Tetrode in Ultra-linear mode...NICE !!!
  156. Input Attenuators
  157. new build SE to EL 508
  158. found this on kickstarter
  159. SE Output Transformer question
  160. Safety of DC-coupled inputs
  161. Found some old tubes.
  162. Presence control
  163. lafayette pa 622 -> Guitar amp conversion
  164. Fixing an amp head - bad tubes?
  165. EL84 what factory produced it?
  166. Trio Corp 300b fake?
  167. Cheap triode class A 3Watt + assembled/kit you know ?
  168. Elekit tu 879s upgrades
  169. EZ80 Choke Input Max Capacitance
  170. Correct measurement of filament voltage.
  171. Who put the "half" in the Koren SPICE equation
  172. 5Y3 tube rectifier
  173. Triode or ultraliner connected ?
  174. What is the "Tube Sound"?
  175. Here are some 12B4A, CCS, Preamp Circuit and Spice models
  176. Which KT88 ?
  177. Why make a tube amp that sounds like a SS amp?
  178. Mark VI power Supply
  179. audioromy fu29 - not working, repair or scrap?
  180. Valve amp questions for someone new to them.
  181. Driving Parallel Tubes
  182. Matching quad set
  183. Anyone listen a 46 in UL mode ?
  184. McIntosh MC30 vs. Fisher 80-AZ
  185. Voltage Divider at input to Power Amp
  186. Checking EL84 with Eico 625
  187. Dynaclone ST70 6F2 Alternative
  188. Nobsound MS10D
  189. Need Help - Monoblock Power Amplifier EL 34
  190. Replace output transformers in Dynaco ST70
  191. 6P14P-EV in my Simple P-P
  192. Help finding a new tube headphone amp
  193. Cost of building from scratch
  194. Help with loadlines in p.s.e.
  195. Simplified pentode Loftin-White with plate-plate feedback
  196. Inductor Fed VR Tube
  197. Screen Grid Peak Voltage
  198. Unknown (Westrex?) AE285 KT66 cinema amplifier
  199. Has anyone dual-monoed a Stereo 70?
  200. CV2799 (Mullard) QQV04-20 parallel single-ended audio amplifier
  201. Pentode G1 series resistance effects.
  202. MUZAK 975a 75watt, 50s
  203. Hybrid SS/Tube Balanced Mic Pre
  204. Adding a baland pot to cathodes on a cathode biased amp?
  205. Is the 8532W a substitute for 8532?
  206. Low cost class A Hi-Fi amplifier 807 S.E. Ultralinear - Pentode drivers [6G6G]
  207. Configuring 2A3 Driver for 2A3 PSE
  208. Integrated Tube Amp opinion
  209. Ultra-Linear vs. Pentode Longevity
  210. RCA PA amp SA752LO...
  211. Running preamp into acive speakers with cap input
  212. Putting Stock In Carver?
  213. Weak treble
  214. About GU50 PP in UL with separate G2 winding and supply
  215. tube tester comparison
  216. Volume control after the preamp stage or before ?
  217. COPLAND CTA 401 - upgrade of components ?
  218. 2 amp simulation/dummy load for transformer
  219. Optimal Operating Point for E280F Driver for 300B Single End Amplifier
  220. 809 Triodes
  221. PSRR
  222. Looking for a schematic or link to a post
  223. Who makes a Williamson output transformer ?
  224. Help with an S5 K12-G Tube Amp
  225. Turing's new tube amps. Please give staff about.
  226. Life Expectancy of DHT's
  227. 6GB8 data sheet translation needed
  228. Full Wave Rectifiers: Center Tapped vs. Bridged
  229. Vectorscope?
  230. Apple macmini become to 6MD8 tube amp
  231. Potting Wax?
  232. How do I repair my Tube Amp?
  233. asr433 simple problem (i hope)
  234. Russian Tube Codes
  235. Help: Driver Stage Design
  236. PAS Power Transformer Capability
  237. 7A5 tube...a small marvel !!!
  238. phono preamp for the s5 electronics model 16ls amp
  239. Screen Stopper Blew
  240. Hickok 533 and 6dj8/6922
  241. OTL design opinion
  242. Pile of TEK scopes.........what do I keep?
  243. Inclusion of an oscilloscope on tester
  244. 6V6SE - Suggestions?
  245. Heretical Line Stage: BOM?
  246. Tube amp to drive 4 ohm headphones?
  247. Another TVA1 - KT88 power amplifier
  248. 845 parafeed
  249. datasheet 6P44C
  250. ecc85 tube buffer or line stage?

Content Relevant URLs by vBSEO 3.3.2