similar circuits


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
circuit from http://users.otenet.gr/~athsam/audio_note_conquest_power_amp.htm