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. 0v grid bias with UL connection?
  2. LV Filament supply quandry
  3. which tube using NonDirect heat with best-class sound ?
  4. Surround Decoder - Subtract amplifier
  5. New To Forum - First Post
  6. Try to understand
  7. tube site
  8. OTL with 6S19P?
  9. What should B+ on 300B push-pull be?
  10. Regulated PSU with EL84
  11. How do I design minimum current for 35W PP AMP
  12. Buying bits'n'bobs...
  13. Can't make this address work.....
  14. schematics for 6C33 single ended OTL?
  15. Guitar amp input tube paralleled
  16. valve preamp
  17. trio W-38 problems
  18. Cheap Russian 2.2uF 400V PIO Capacitor
  19. Otl Se
  20. My 2A3 is being left behind
  21. SE for Bass?
  22. Wal-Mart power supplies
  23. Nice deal!
  24. Look for high-voltage regulator projects
  25. Typical plate Voltage for el34
  26. Arc Sp8
  27. New Phono amp - developing stage
  28. fender princeton 5D2.. DONE!
  29. CCS Bang for the buck output or driver?
  30. pentode driver sanity check - before i build
  31. 6av6 mini pre didn t work
  32. CCS in the output stage
  33. Looking for Schematic using KC3 Preamp ?
  34. If you are looking to try balanced AC power....
  35. The best Coupling cap (under $20)
  36. What makes a speaker "tube-friendly"?
  37. Using 6L6 for 300b driver
  38. Heater reference
  39. 6G15 output transformer selection
  40. Morgan Jones and cascodes
  41. 6A3/6B4G/6S4S(2A3/2S4S) project
  42. blues junior complaints and 6G15 question
  43. Question about changing a hybrid
  44. High-end Class A valve amplifiers will be illegal in USA?
  45. transformerless supply
  46. "Quasi" ultralinear experiment - questions...
  47. Help on a LUXMAN MQ 3600
  48. Changing from 6X4 to EZ81
  49. Design questions, driver stage for SE.
  50. S5 K-12G Question
  51. Ideas for a tube that heavily distorts ?
  52. CCS current sink in the output of my 2 tube 6080 amp.
  53. What do you think about my design (based on IMPAMP)
  54. spearinol oil (in ASC caps)
  55. Larger chassis Hole Punches
  56. HV Diode Selection
  57. Need help form Germany
  58. Output Impedance
  59. How to connect Gridchoke?
  60. Microphone In Guitar amp Question
  61. Triode connecting a pentode?
  62. help on line pre-amp
  63. Edcor P-P Transformers
  64. chassis work in NYC area
  65. low THD guitar preamp
  66. Please help ID this rectifier:
  67. Power Supply Voltage For 5881/6L6 Amp
  68. Audio Electronic Supply AE-25DJH
  69. Trouble: Main transfo short?
  70. help with chassis layout
  71. "Preamp" with remote (long)
  72. 6BY5 High Voltage & High Current Choke Input Design P.S.
  73. x-10 d and x-can version 2/3 schematics
  74. Ugly, but versatile, new amp
  75. Capacitor advice needed for AVA PAS rebuild
  76. Mic pre transformers
  77. Gain of JE labs 300B?
  78. Troubleshooting.
  79. new to the forum pre-amp
  80. Preamp output delay
  81. Super Triode Connection Amplifier Build with 6BM8 and 6AK5
  82. 1st project hum or buzz
  83. Impedans of trafo for EL504 inSE
  84. Can I use 2C39-B to sound
  85. usage of line out trans.
  86. eagle with tubes ?
  87. Rlim in GZ33 datasheet?
  88. LT1085 Current Regulation for DHT filaments
  89. Help Fixing Bias
  90. MC phono amp
  91. 10M45 Mu-Stage Idea?
  92. Hickok 6000A with 6C33 & 13E1...
  93. Isco 494
  94. looking for spice model of 6HA5 or similar tubes
  95. 6SL7 to 6SN7 substitution in power amp?
  96. Adding Subwoofer output to Aikido preamp circuit
  97. A request for PP 6c33c Schematics
  98. Thumping from left speaker when volume is low
  99. Crosstalk in twintriodes?
  100. Example Schematics?
  101. how to choose a rectifier tube? (specifically octals)
  102. Rather odd valve socket - anyone have any ideas?
  103. PS for GG - look for better channel separation
  104. help! T16 OTL schematic
  105. Bench PSU for tubes
  106. Tube Bogen J330 PA amp
  107. FM Stereo Tuner Tube Schematic ?
  108. Conn organ conversion to amp
  109. Smoking Transformer
  110. Questions on 1:1:1 driver transformer
  111. Pentode vrs Mosfet “MU-Stage”
  112. Transformer center tap connections
  113. dumb question :P KT88...
  114. Tube rectifier & regulator (modified)
  115. Some advice on this power supply
  116. Looking for Amperex C11550/1 data.
  117. Inserting tubes into Express PCB
  118. What do you think of this? (211 A2 SE)
  119. Help w/ diyAudio CCS implementation
  120. First DIY Amp Project
  121. HELP with PHONO and MIC preamps.
  122. CLC vs LCLC: is there any advantages other...
  123. Problem with old Heathkit
  124. Does anyone interested tube rectifier & regulator PCB ?
  125. Velleman K4040 conversion from EL34's to KT88's
  126. finished my PCC88 preamp
  127. Max 300B SE output possible with James 6123HS ?
  128. Who's right re bias adjustment versus plate voltage
  129. voltage current regulator
  130. Yarland 34 ciii amp
  131. CCS/5842/300B ground schematic.
  132. tube sockets
  133. PX25
  134. Research on tubes and circuits simple circuits
  135. using only 1/2 of a dual triode
  136. Some HMMM on my SRPP
  137. Grid Stopper
  138. diy tube amp problem
  139. The Red Light District - another PP EL84 amp
  140. Balanced 300B output for headphones or loudspeakers?
  141. 5692, the best?
  142. Power transformer quality differences
  143. Is it possible to use regulated DC for a rectifier tube?
  144. Transformer Secondary Power
  145. Phono preamp
  146. VR Tubes as Cathode Bias of 2A3 SRPP Loftin-White
  147. Physically small rectifier tube with 5V heaters
  148. Distorting 5687 preamp circuit
  149. Looking for a good 300B datasheet
  150. CCS is your friend!
  151. Valve Pre Amp & Class D Power Amp
  152. heater supply questions
  153. sub-mini valve
  154. Amp kit recommendations
  155. First amp for a new in valves
  156. Loud buzz and hum from one monoblock!!!
  157. Stueyh
  158. Big *** '50s Power Supply, now what? 300B SET ideas...
  159. Phono Preamp Design Needed
  160. antique fender bassman 50 retubed HELP
  161. Severe oscillation in 6L6 amp
  162. How to tweak warmth to a power amp?
  163. Can anyone explain me this Loftin White amp?
  164. Substituting dual triodes
  165. ValveWave-1 My first Tube Project
  166. changing output capacitor value? what should I consider?
  167. motor run caps in the output? good or bad idea?
  168. resistors across the heater voltage then the middle is grounded
  169. Switched Pot Source Needed
  170. transcendar transformer
  171. Installing tubes upside-down? Bad? Maybe it doesn't matter?
  172. Voltage Multipliers
  173. I want to build an AM Tube Tuner
  174. Tube Amp CCS?
  175. S-5 Electronics Tube Amp Kit
  176. Tube amps from eBay (China)
  177. filament supply: batteries v TentLabs?
  178. replace a 5651 tube with a zener?
  179. tube design books
  180. Bogen chb100 input conversion suggestions
  181. MesaBoogie 400+ clone
  182. EL34 in place of a 6AS7G (used in the supply circuit as a pass tube). how?
  183. R-core xformers from China
  184. Counterpoint Service manual wanted
  185. Two chokes in one pot?
  186. help with a transformer
  187. 311T (211 alike) HIGH power triode
  188. Re-attaching anode cap to 805 or 811A tube
  189. "Fisher Doctor"
  190. Aikido + class D in the output stage
  191. tube-shop-com
  192. Ultrasonic heaters
  193. Grounding the Filament Winding
  194. Lundahl LL1680 for balanced output
  195. Website is back & new books posted
  196. strange tube G1 S/5
  197. First Tube Amp Needs an Overhaul
  198. pspice models for tubes
  199. Source for iron cores?
  200. Quad EL84 SE question
  201. Use of 12j1l and gu-50 tubes
  202. Shuguang 300B-98C
  203. Philips AG-9016 Upgrades???
  204. My DIY Pre-Amplifier used 5692 and 45 Tube with output transformer
  205. tube amp in a PCB with a toroidal xformer beside it?
  206. Need advice running 220v in USA
  207. My Fender Princeton FD2 chasis (clone)
  208. Parallel-Push-Pull KT66 organ amp conversion ???
  209. new on tubes
  210. Balance 5687 pre-amp any advise??
  211. The Limitations of an EL34 in UL
  212. Source for tube bases....?
  213. 10Y, 26, 27 and 45: relative microphonics
  214. KT77 Mod Question/Idea/Punshishment
  215. KT88 SE with Edcor xfrmr
  216. Diy Distortion Pedal
  217. 45 fans – expanded horizons upstream?
  218. 12B4a Cathode Follower
  219. Hybrid voltage doubler using tube and diode
  220. Finally finished my first tube amp!
  221. advice on an EL84 Push pull Amp schematic
  222. Vintage radio
  223. Look for 12AU7 Preamp Circuit .
  224. PSU question? Going tube rectified
  225. PSU Rebuild Help Pleas
  226. Screeching tubes
  227. help in adjusting Vout in the power supply of the "Brute force in a line stage" by Er
  228. Fisher 800 restoration
  229. stern's ecl86 amp
  230. Look for Western Electric KS-16547-L1 circuit diagram
  231. Help about grommes 500C
  232. Dynaco MK III with 6146A tubes.
  233. Volume pot for Musical Fidelity F22 pre amp.
  234. Don't you just hate it when
  235. Bogen 8417 tube conversion..?
  236. How to Build Unbilical from PS to Phono
  237. Class A SET preamp, help
  238. Grounding MFA Luminescence
  239. custom transformer manufacturers (potted if possible)
  240. To Recap - A Question
  241. KT 44 anyone tried these
  242. Volts AC rating in power supply caps
  243. unfamiliar tube brand
  244. power supply schematic with a 6080 used as a "pass tube"
  245. Electro-Vox LA-210 Preamp; tube
  246. why so CHEAP!?
  247. Antique Electronic Supply
  248. Best Use For My Sansui Iron?
  249. Help on AMC CVT 3030
  250. Heathkit W-5M Red Plate Issue

Content Relevant URLs by vBSEO 3.3.2