Stereo Preamplifier with balance and loudness

  
The circuit of preamplifier use the 5533 chip and features a combination of controls balance and volume. Due to the nonlinearity of the human auditory system, low frequencies must be boosted at low listening levels.

Stereo Preamplifier with balance and loudness - img1

Level pay, and LOUDNESS controls provide all the plays to produce the desired response from the music.




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