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

  1. HV ON noise
  2. Opinions on Walton Audio 300B Design
  3. Joplin Amp
  4. voltage regulators
  5. CCS for PP Class A output stage?
  6. distortion measurement
  7. Has anybody built the Matthew Reidsma Experimental 45?
  8. Citation II Assembly Manual
  9. what tube preamp DIY kit to match B&W P-5 speakers
  10. heavy duty valve amps.... for PA use....?
  11. Audio Innovation 800 mk2 ? advice?
  12. Tube amps.......AGAIN
  13. driver 6a3
  14. Morgan Jones H/P Amp problems PLEASE HELP
  15. Wad 6550
  16. Ferguson Type: OX170 & Ferguson OP6M Info Needed...
  17. Ebay Stuff - electrolytics for tubies
  18. Pioneer output transformers from the 60's
  19. The future of the Valve.
  20. Trying to understand negative feedback
  21. schematics
  22. Overvolting e-lyts
  23. Bottlehead Paramours done my way
  24. next project: rebuild using fisher 500c trannies
  25. Consonance ELLA
  26. Just a quick Q
  27. Has anyone tried a 6S4A as a 300B driver tube?
  28. Tube Preamp PSU Question
  29. 6N1P for buffer instead of 6DJ8, 6922
  30. quick question about a sovtek 6922
  31. 50.000 $ for a 30W amplifier .
  32. Opinion upon amp life expectancy at 5 hours/day? (theres a catch)
  33. Online Resoucre for Old Tubes?
  34. Comparisons
  35. Conrad Johnson PV10 mod
  36. ETM connected EL/PL509 in T8 OTL-OCL amplifier - how?
  37. good replacement for ECC82
  38. Velleman K4040
  39. $5 SE amp... but is it fried?!
  40. Build with 300B or something else???
  41. Another question
  42. Anybody know these two tubes? DET-9 & Ba
  43. Decent Valve Amp Kit?
  44. distorted hum
  45. Which KT88??
  46. Not connecting grids/anode can hurt tube?
  47. Question for SE Transformer Gurus
  48. Decoupling Paper In Oil capacitor question for KT88 design.
  49. Isabelle Phono Stage
  50. input/driver tube
  51. Best Sounding 6550
  52. toroidal trannies alignment
  53. OTL OCL or Non
  54. How can I use UTC A22 at OPT in pre-amp?
  55. SE Output Transformers
  56. Sq-5
  57. Specs And Curves
  58. Golden Dragon Tube
  59. 2A3 Output Transformer
  60. Powre Transformer for 2A3
  61. Newbie - Is this a good amp?
  62. Reference for DIY AudioCraft in Hong Kong
  63. tubes avalibility
  64. OTL Output Cap Question
  65. Newbie question : Plate CCS
  66. Black Art Single Ended Output Transformers
  67. quick transformer question
  68. CCS for p-p cathode bias ?
  69. Tube output stage for DAC
  70. Reinhöfer Transformers (Germany).
  71. power transformer help !!!
  72. UXCV11 Triode Tube
  73. HVHP shuntreg PCB's available?
  74. Harmon Kardon Ballad Stereo Amplifier
  75. 811A tube internal resistance ?
  76. 8417
  77. Running tubes at lower voltages
  78. EL34-PP building questions
  79. tube 8416 good for audio ???
  80. tube substitution and amp modification guidelines
  81. Real russian tubes anyone??
  82. I'm starting 300B amp
  83. Anyone tried this at home?
  84. push pull bias servo
  85. Sylvania JAN 6L6WGB max plate V?
  86. Repairing valve bases
  87. E55L in triode as driver!
  88. SE Class A with 845or 211. Need a good circuit
  89. st-70 questions... tips?
  90. Biasing a Class A amp information
  91. Holy Grail of Valve Amps
  92. Diff amp driver -> SE output
  93. hipass/lowpass filters
  94. Beginners question(help!)
  95. Capacitor Question /question on cap
  96. Report on 6922 testing
  97. 6ha5
  98. Western electric VT1 tubes
  99. Edge connectors - which to use?
  100. pc mount el34 socket
  101. use MKP capacitor instead of electrolytc for AC filter
  102. 12B4A Linestage
  103. Regulated Heater Supply
  104. Schottky bridge rectifier
  105. 6r-a8???
  106. Plitron Specialist transformer with Unity Coupling
  107. Getting started with tube preamps
  108. Pre-(Line-)Amp with RE074
  109. Interstage Transformer for Experimentation : Hammond 560L
  110. A question regarding Valve fillaments..
  111. Rectified heater voltage problems?
  112. Better than using a resistor as I/O converter
  113. Most responsive tweaker SE9 or 102B
  114. Measurements of tube amps
  115. Nelson Pass-D1-DAC-Output-Stage with tubes ?
  116. High Freq. AC Power for Filaments of 300B SE Power Amp?
  117. Harman Kardon Citation II : love/hate relationships
  118. Happy New Year !
  119. 6c45pi : sonic utopia or sonic hell?
  120. turning a SE 6v6 to a 6bq5 amp
  121. ASL Wave 20
  122. EL32 tube
  123. 50'S GRETSCH tube amp scematics?
  124. "Balanced power"
  125. SE amps opinions for my second amp build needed?
  126. transformer hum
  127. My EAR834 dropped dead! Help!
  128. schmatic for the audio section of A Fisher K-14 chassis
  129. Help me choose a Tube Amp. Project
  130. KT88SE with ECC82
  131. Oscillating Mullard5-20
  132. Distortion in 807 amplifier - please advise
  133. Unity Gain Tube Buffer
  134. Looking for a tweeter amp
  135. Quicksilver?
  136. beginner amp choice question
  137. AC coupling
  138. designing SS power supply
  139. Fender Guitar Amp modifications
  140. Resistors in power supply
  141. Triodes with an extra grid
  142. ECC81 or 83 or 85 or 88 ???
  143. Fisher FM50-B Schematic Needed
  144. Audio Research Database
  145. MJ-Magazine
  146. so i get common tubes free... now i just need a project
  147. current source...
  148. Help with integrated DPP amplifier.
  149. WE old tube question
  150. Looking for a 6550 recommendation...
  151. Counterpoint Manual
  152. Cathode bipass capacitor and transformer impedience
  153. Finally got a tube amp circuit to work!!! (mild debug help needed)
  154. inrush current
  155. Sylvania Chrome top 6SN7 tube
  156. High gain Tube amp problems
  157. 12 volt tube preamp help
  158. Pearl Audio Archives status
  159. Your opinion on 813?
  160. Hi; i am new to tubes
  161. cheapest output transformer for a SE EL84 guitar
  162. Filiment transformer question
  163. Electrolytic Capacitor Insulation
  164. Rca 808
  165. Push pull class A bias question
  166. Twists per inch on filament wiring?
  167. Lynn Olson's web site: AWOL?
  168. Affordable "starter" SE amp
  169. SRPP is....?
  170. guitar amp input jack help
  171. interstage coupling
  172. Where are the 833 amps?
  173. E283cc
  174. OTL design recommendation? (6C33C maybe?)
  175. 6AU4GTA as High voltage rectifier
  176. Question
  177. where can I buy fully assembled tube amplifiers here in the U.S
  178. cryod 6922s
  179. Speaker Impedance
  180. Parallel, single-ended Pentode. How?
  181. Electro Harmonix KT90?
  182. I have 1 pair of 1J6GT
  183. Mullard 5-20 again
  184. B+ power supply
  185. datasheet request
  186. Good tubes for Luxman pre-amp
  187. What is PTT216?
  188. E810F filter buffert in dac Q
  189. ECL82/6BM8 as rectifier?
  190. Mesa Boogie Mark IV
  191. Replacement for 5R4
  192. Replacement capacitors?
  193. 6AS7 Svetlana schematics?
  194. 10/10y/801
  195. Double checking my PSU and filter question.
  196. 12B4A tube amplifier with output transformers
  197. Learned a lesson today
  198. What is a Hickok 533 worth?
  199. Kailin El34
  200. Substitute for 5842/417A
  201. Air travel with DIY tube gear.
  202. 6C45 211 Amp
  203. Lowering gain in 12AX7 SRPP preamp
  204. tube amp/speaker match
  205. bifilar output trans in single ended amp
  206. Just to introduce myself
  207. i finished my first amp
  208. Citation II output transformers
  209. type 27 pre
  210. 6072 replacement, pls help
  211. Zen SE84cs transfomer upgrade? Plitron Toroidal?
  212. Has anyone on this forum heard a gainclone?
  213. EL 34 parallel push pull (quad)
  214. K&K Audio Balanced Linestage
  215. Room resonances
  216. EL-84 Integrated amp Project
  217. more newbie questions
  218. copland CVA 306
  219. Mullard 5-20 schematics
  220. Tube crossover for sub?
  221. Simple tube EQ?
  222. Just a few questions
  223. Tube Preamp for Apox Volume Control
  224. Hammond M3 Tube Amp Project
  225. Ultra linear g2-anode suppress
  226. Vacuum State Electronics FVP5A
  227. Mercury model 2000 tube tester
  228. Schematic of ID of this 6V6/6U8 stereo amp
  229. Operating points for #37 triode
  230. simple line buffer
  231. preamplifier with output transformers
  232. Preamp for guitar - low distortion
  233. F.S:unused tube measurer
  234. Nina Mu Stage Preamp - Circuit and Details
  235. Why are 6V6G(T)'s always black inside?
  236. Please clear this up 805 or pcl805
  237. What happend to svetlana tubes?
  238. penta
  239. 6V6 guitar amp...
  240. Phase splitters: Constant current sources
  241. What do you think bout that???
  242. tube amp recommendation
  243. Want a tube amp. Tell me what should get...
  244. The lego-technics transformer winding setup
  245. Toroid transformers
  246. Hempel
  247. Help on SRPP line amp!
  248. leaking magnetic flux
  249. PS evaluation
  250. Diy Phono stage

Content Relevant URLs by vBSEO 3.3.2