Skema Rangkaian Power Amplifier 18 Watt

Posted by Moh Duro On 25 August, 2012
Skema Amplifier 18 watt dengan menggunakan PA Transistor :
Skema Rangkaian Power Amplifier 18 Watt
Power Amplifier 18 Watt + Power supply
Daftar Komponen :
P1 = 22K Log.Potentiometer (Dual-gang for stereo)
R1 = 1K 1/4W Resistor
R2 = 4K7 1/4W Resistor
R3 = 100R 1/4W Resistor
R4 = 4K7 1/4W Resistor
R5 = 82K 1/4W Resistor
R6 = 10R 1/2W Resistor
R7 = R22 4W Resistor (wirewound)
R8 = 1K 1/2W Trimmer Cermet (optional)
C1 = 470nF 63V Polyester Capacitor
C2,C5 = 100μF 3V Tantalum bead Capacitors
C3,C4 = 470μF 25V Electrolytic Capacitors
C6 = 100nF 63V Polyester Capacitor
D1 = 1N4148 75V 150mA Diode
IC1 = TLE2141C
Q1 = BC182 50V 100mA NPN Transistor
Q2 = BC212 50V 100mA PNP Transistor
Q3 = TIP42A 60V 6A PNP Transistor
Q4 = TIP41A 60V 6A NPN Transistor
J1 RCA audio input socket
R9 = 2K2 1/4W Resistor
C7,C8 = 4700μF 25V Electrolytic Capacitors
D2 100V 4A Diode bridge
D3 5mm. Red LED
T1 220V Primary, 15 + 15V Secondary
50VA Mains transformer
PL1 Male Mains plug
SW1 SPST Mains switch

Catatan :
Input rangkaian amplifier ini bisa anda hubungkan langsung keperalatan Audio seperti, VCD, tuner dan tape recorder dan lainnya. Catu daya yang dibutuhkan jangan melebihi -23V dan +23V,dan Transistor Q3 dan Q4 harus menggunakan pendingin (heatsink) yang cukup.