Showing posts with label 300B. Show all posts
Showing posts with label 300B. Show all posts

Tuesday, July 31, 2012

How to build Audio Note Conquest Power amp with 300B

Circuit diagram

Circuit diagram

Part List

  • R1=200Kohms
  • R2=64Kohms
  • R3=320Kohms
  • R4=1Kohms
  • R5-6=19.5Kohms
  • R7=220Kohms
  • R8-9-14-15=150ohms
  • R10-11-12-13=1.5Kohms
  • C1-2=100uF 63V
  • C3=330nF 630V MKT
  • C4-5-6-7=220uF 63V
  • U1=6SN7
  • U2-3=300B
  • MT1=Audio transf. 1K2 /0-4-8ohms 50W

Circuit diagram

Circuit diagram

Part List

  • R1=47ohms 5W
  • R2-3-4-5-7-8=220Kohms 1W
  • R6=1Kohms 5W
  • C1-2-5-6=68uF 450V
  • C3-4=470uF 350V
  • C7-11=4700uF 25V
  • C8-9-12-13=100nF 100V MKT
  • C10-14=470uF 16V
  • D1-2=1N4002
  • BR1-2=Rect. Bringe 100V/4A
  • IC1-2=L78S05CV
  • U4=5U4G
  • T1=See Fig.2
  • T2=5H 150mA