Wiparat Circuit Electronics

This is very basic amplifier circuit,so I use IC digital Cmos 4011 quad NAND gate.
It is to give equal to 10x linear amplifier.
The resistor R1 = 1M ohm , R2 = 10M ohm.
This circuit can not output speaker because it is very low power amplifier.
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LM1875 Channel Stereo Power Amplifier 20 Watt
00W Mosfet [...]

Parts:
R1,R3____22K 1/4W Resistor
R2________2M2 1/4W Resistor
R4________1M 1/4W Resistor
R5,R7,R8__4K7 1/4W Resistor
R6_______47R 1/4W Resistor
R9________1K 1/4W Resistor
C1_______47nF 63V Polyester Capacitor
C2______100nF 63V Polyester Capacitor
C3_______10nF 63V Polyester Capacitor
C4_______10µF 25V Electrolytic Capacitor
D1_______Common-cathode 7-segment LED mini-display (Hundreds meters)
D2_______Common-cathode 7-segment LED mini-display (Kilometers)
IC1______4093 Quad [...]

Inverter Gate by IC 4011 Quad Nand Gate
Source : Inverter Gate by IC 4011 Quad Nand Gate