How to build Audio Note Conquest Power amp with 300B

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

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