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Schematic Circuits

18 Watt Audio Amplifier

18 watt amplifier schematic
Amplifier parts:

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 Low noise, high voltage, high slew-rate Op-amp 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

Power supply parts:

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

 


Keywords : Amplifier, Circuit, Schematic, Audio, Power, Watt
Writer : delon  |
19 Oct 2006 Thr   
|  17.274 Views
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