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Consumer Electronics by S. P. Bali

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6 W UNIVERSAL HI-FI AMPLIFIER

The circuit diagram of a 6 W Universal hi-fi amplifier is shown in Fig. 16.15. The salient features of this circuit are :

  1. Inputs for magnetic and ceramic pick-ups, tape playback heads and radio receivers.

     

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    Fig. 16.12 Variation of output with input for high-gain and low-gain transistors

     

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    Fig. 16.13 Decrease of attenuation with time for high-gain and low-gain transistors

     

  2. Active tone control network, providing more than 20 dB dynamic range for both bass and treble.
  3. Very low distortion.

The amplifier consists ...

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