# Stereo 9-Volt power amplifier circuit

Here I will explain about the necessary voltage and power amplifier output. The voltage should have at least approximately 9Volt 30Volt voltage and maximum voltage on the DC current. For maximum output of 2 X 2Watt with impedance 8-16 ohm. Because this amplifier circuit using ic and ic is used have the equation, so that if used different ic, then the required output voltage and also differ depending ic respectively.

**Part List :**

**Resistor**

R1 = 1M

R2 = 1M

R3 = 1K

R4 = 1K

R5 = 100K

R6 = 100K

R7 = 1R

R8 = 1R

**Capacitor**

C1 = 1uF

C2 = 220uF

C3 = 1uF

C4 = 100uF

C5 = 5uF

C6 = 5uF

C7 = 0.1uF

C8 = 220uF

C9 = 220uF

C10 = 0.1uF

**IC**

U1 = ULN2274B , ULN2277 , ULN2278B

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