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

  1. Need a rectifier tube...
  2. Looking for Harman Kardon Allegro A-10 Schematic or PhotoFact.
  3. How much spl can a triode take?
  4. Octal CCDA kit - help needed!
  5. Mod input of 6AU6/6AQ5 amp for iPod
  6. Put a tube on your PC just for fun..
  7. ST35 Cathode Feedback
  8. Series Shunt tube regulator
  9. Help ID this tube ^&$**@# lettering!
  10. Adding a db VU meter to an existing tube mic pre
  11. Quad 22 interstage cap?
  12. First test of my AX84 HI-octane
  13. 4P1L triode PP (40W!!?)
  14. KT88 shootout vintage vs new vs 90
  15. Help needed to identify this british made Amp
  16. PSU II Question
  17. Quality tube buffer with ECC83
  18. K12g Amp Question
  19. Stark 9-66 tube tester - repair help
  20. output transfo problem
  21. Pair of Fisher CA-40 Oddballs
  22. Model 601 tube amp.
  23. Model 601 Tube amp
  24. First power amp build. Is this normal??
  25. Compactronized 6146
  26. Preamp and inverter on B7G base tubes circuit.
  27. Advice and Suggestions on Amp designs
  28. Help who tube buffer x10-d
  29. EL803S-6CW5 / EL86 amp design check (schematic attached)
  30. amp buzz in one channel on inrush / power on
  31. SE 8-10W monoblock build help
  32. GlassWare Tube CAD
  33. SMD Parts and the DIYer
  34. 6CW5 / EL86 operating point
  35. RH84 power output
  36. 6n6p-ir
  37. Transformer bubbling
  38. Crackling noise.... pls help on Pre-amp
  39. RH84 amp. Plate is 300V. What voltage...
  40. Amplificator Class A 2 X EL504
  41. Help in testing 12ax7 and 7869 tubes
  42. Micro-Cap Tubes Parameters question
  43. Cathode Bypass Capacitor
  44. NOOB ALERT! sooo omany questions.....
  45. IS THIS A REAL E810F ???
  46. Chassis design question / cooling of small signal valves
  47. 5 leads pp output transformer
  48. Vote and Comment: SRPP vs. Aikido vs. Grounded Grid
  49. NEED ADVICE ON THIS SCHEMATIC AND WILL IT WOFK
  50. Help Identifying a Console Pull Amplifier
  51. sunaudio 2A3 circuit...is it good for newbie?
  52. KT120: When does it starts to sing ?
  53. Simple Time Delay (no more excuses for not having one)
  54. Cary SLP-05
  55. 6SN7 Grounded Grid
  56. input selector switch replacement help
  57. help needed with transformer wiring
  58. Tube Schematic Drawig Packages
  59. 12AU7 - 5V4G easy amplifier
  60. Glassware CCA 9-pin PDF
  61. Replacement for the tube 6922 (ECC88)?
  62. Which probes for my first scope?
  63. PP CATHODE BIAS WITH "CCS"
  64. current output tube amplifier
  65. Tube amp for a small room (newbie-like)
  66. What is this old thing from1929?
  67. Arduino cathode current HT etc
  68. Bizzare Output Transformer Connectivity...
  69. OPT to KT88?
  70. Help needed on identifing tube
  71. Amplifier circuit from tube radio
  72. Amplifier circuit from tube radio
  73. Using Valves Library in EAGLE CAD
  74. Biggest noval power pentode?
  75. Akita 12V preamp thoughts
  76. Help, what is this (Marconi 6204) ?
  77. Anyone try DHT 33 or 1Q5 Pentodes wired as Triode?
  78. Would this be a good buy?
  79. Looking for a complete DIY Tube amp
  80. Schematic by TS LIM Pre-amp
  81. Fisher Model 100 'AZ' Mono Amp Rebuild w/ Oscillations
  82. Measuring inductance
  83. Leak stereo 20
  84. Gain and gm of a QQE03/20 anyone ??
  85. Power supply options for tube amplifiers.
  86. CCS question mA
  87. Help wanted with testing and finetuning.
  88. YAQIN VK2100 pre amp
  89. Identify record player and valve
  90. AC Line Filter
  91. blue flash inside 5Y3GT
  92. Heater-Cathode Leakage
  93. Old Tube Kit
  94. Point to Point SET KT88/6550 Build
  95. D3a - MOSFET HYBRID CIRCLOTRON
  96. Aikido CCDA
  97. output impedance
  98. Bizzaro fix for hum problem needs explanation! Pretty Please
  99. Bizzaro fix for hum problem needs explanation! Pretty Please
  100. Questions regarding first build - K-502
  101. Good tube tech in Brooklyn NYC?
  102. Looking for LTspice tube models
  103. Audio Research SP15 : faulty phono stage
  104. Spark 810 looking for the diagram
  105. HP 8903B Question ?
  106. 1955 Hammond Organ Tube Amp
  107. Suggestions Please
  108. Croft Series 4 PL519 regulator
  109. Rectifier ID
  110. Adding headphone output to Darling amp
  111. CLC vs CLCLC Filter Power Supply
  112. Where to get Vacuum Tube Valley magazine?
  113. Magnavox 8802 HELP!!!
  114. Vaa for KT120
  115. Tubes in a Home Theater?
  116. Yaqin mc 10l tube risers?
  117. Wiring an LED strip into an amp?
  118. Need a bit more power :)
  119. yaqin 100b kt88-98 bulb blown and smoking coming from the amp
  120. Amp. 2x5W RV12 P2000driver RL12 P10 final
  121. Layout challange: Dual Maggie AMP148 based.
  122. Replacement PT question
  123. Real Telefunken E88CC?
  124. Any audio differences for EL-84 P-P OPT?
  125. Need help identifying this amplifier.
  126. Can anyone identify this valve / tube?
  127. Pentode-like Triodes
  128. Telefunken EL156 SE experience
  129. Help with a Tubelab SE Power Supply Transformer
  130. 33:1 opt for 5:1 use?
  131. Siemens B30C600 selenium bridge rectifier
  132. ECC81 mu-follower problem
  133. Audio Note M7 line stage preaamp!
  134. Should I upgrade considering.....
  135. Using Wards SE EL84 Transformers for Decware Zenkit1
  136. Parts Box 300b
  137. TO-9105-1 Triodeelectronics output transformer
  138. Need help pairing Martin Logan Sequel II speakers with 4 Watt tube monoblocks
  139. What is your comment about akido linestage?
  140. Driving an EL34 amp without driver stage ?
  141. Mystery Telefunken T9 amp
  142. Improving preamp's bass response.
  143. EZ150
  144. Need help identifying baldwin tube amp
  145. 45 amp with 6N7
  146. Selecting 5881's question
  147. Schematic with ECC88
  148. PP Output Transformers
  149. Gas Tube Question (CK1006 Rectifier)
  150. Art Audio Quintet MK1 EL34 PP resistor value
  151. The Midlife Crisis - My 833C Amp Build
  152. Tube amp Building Compitition Interest check
  153. Found myself a Magnavox 9302-00
  154. DIY Stereo Amp 15-50wpc
  155. Gray Research AM-50
  156. Preamp Grounding and Hum
  157. What to do with AA-100 output iron
  158. Flat screen t.v. and tube amps?
  159. 12AX7 Plate Current vs. HT Voltage
  160. Hammond A0-29 project organ amp
  161. Need help with Phono preamp build with microcontroller relay switching
  162. CCS fixed bias
  163. Gerber file help!!!!!!!
  164. Finally real inductance of a grid resistor...
  165. 12B4 vs. 12B4A
  166. Simple hybrid amplifier
  167. VTL Stereo 50
  168. Distributed volume pot
  169. DHT fixed bias schematic
  170. Wiring a power transformer
  171. What can I do with these tubes?
  172. RCA SP-20 circuit question.
  173. Magnavox Model 1ST525A
  174. LD91 signature power transformer wires Help?
  175. Effect of Regulated DC Filament Supply
  176. D3a-300b amp help!
  177. Need Schematic for this GE Console fast.
  178. Sound experiences 6SN7
  179. EL152 maximum operating settings?
  180. OMG just scored a huge lot of Nos/Nib tube lot for $20
  181. Help with DN2540 CCS design
  182. Strange problem with Caps not blocking DC
  183. Help and suggestions for My Phono and pre amp
  184. PCB and transformer placing and shielding
  185. MC-40 bias current?
  186. Gyrator on ccs-tailed LTP?
  187. capacitor polarity on a VM 20050 amp
  188. Choke? Where to begin?
  189. H11F1 Switching in tube circuits
  190. cooling traditional E-core iron transformers
  191. New vacuum-tube preamp-project!
  192. DIY tube tester
  193. NABU TuneLabSE Buildup
  194. I just inherited a TON of tubes and tube amp components.
  195. Filament Transformer Question ?
  196. Low gain in Heathkit SA-2 phonostage
  197. speakers for leak tl12+
  198. LM3875 + Broskie Cathode Follower. (PICS)
  199. Has anyone built Andrea Ciuffolis Phono End ?
  200. tube substitute
  201. Motorcapacitors in high volt. power supplies?
  202. Troughline, Stereo 20, Technics 1200.Unhappy!
  203. Troughline, Stereo 20, Technics 1200.Unhappy!
  204. Volume potentiometer: the best way to do it...
  205. KT120 "triode" and Hammond 1650N
  206. Tubecad SE Amp Cad
  207. 5702wb
  208. Does anyone know of a company that makes circular risers for tubes?
  209. Negative feedback to differential pair driver
  210. effects send and/or preamp out jack on guitar amps
  211. 6L6 UL Power
  212. Bench Power Supply: What to look for ? Which one to get ?
  213. Bevois Valley EL84 PP - distortion in one channel
  214. good by til next winter
  215. PSUD Questions
  216. Power Transformer Wiring Question ?
  217. Fisher 500C C82/C84 ceramic capacitor function
  218. Tubes to first taker
  219. Neutral wired to chassis, how to add a 3-prong cord?
  220. Heater Transformer - too much voltage
  221. Capacitor value
  222. WD KT88
  223. Ultimate spud amp - any ideas ?
  224. Please Critique My Grounding Scheme
  225. negative voltage drop across a diode
  226. 1.5K 200W output transformers? What tubes?
  227. 50 Type Tube
  228. "12SR7 Starving Student" plays extremly quiet
  229. questions about some sim software
  230. Drive
  231. 4xKT88 into Hammond 1650T, what am I missing?
  232. double mono SE
  233. Two electrolytic cap selection questions
  234. Could This Be the Future of Vacuum Tubes?
  235. Thermography on 6C33C/6C18C aka. 6S33S/6S18S
  236. Rydel's triode model coefficients
  237. 2E26 Options
  238. Loud Popping Dynaco ST-70
  239. Are these EL34's good?
  240. Amp schematic for Sovtek/Svetlana tubes
  241. KT66 power tube amplifier
  242. 6П3С Plate Voltage
  243. Help choosing which Amplifier to build
  244. need help choosing between two amp schems
  245. 100 W-class Circlotron
  246. How can i match power tubes for Transconductance ?
  247. ef89 ef86
  248. ecc82 5687 preamp! audionote
  249. Hammond transformer questions
  250. IXYS CP20M45 IXC - anyone come across them ?

Content Relevant URLs by vBSEO 3.3.2