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Showing posts from February, 2013

Simple Computer Speaker Circuit Diagram .

  S imple Computer Speaker Circuit Diagram ( Low Cost ) Description                  Hai friends today I give you a super circuit diagram that is ' Simple computer speaker '. This circuit very low cost for building now  I am telling the working principle of this circuit. Here you can see two transistor amplifier; they give high-output power. The C1 coupling the audio signal from the input and fed to the input of Q1 then Q1 and Q2 amplify its output power then fed to the loud speaker. Loud speaker gives the sound signal according to the electrical signal. Note:- *   Connect a two watts loud speaker at the output. Parts List Component No: Value R1 2.2K R2 4.7K R3 100R R4 2.2K R5 4.7K R6 10K RV1 100K C1 10MF C2 10MF C3 10MF Q1 C945 Q2 S8550 LS1 8R,0.5W