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Consumer Electronics by S. P. Bali

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Fill in the Blanks

  1. Many difficulties in operation of hi-fi systems have arisen due to ——————— impedance matching and ——————— input signal level.
  2. The balance control makes it possible in stereophonic systems to vary the ——————— gain of both channels by ——————— in ——————— directions.
  3. The apparent width of the sound stage can be varied in stereo systems by ——————— introducing ——————— between the channels.
  4. The balance control is a ——————— taper potentiometer, all other controls must have an audio ———————.
ANSWERS

Fill in the Blanks

  1. incorrect, unsatisfactory

  2. voltage, 6 dB, opposite

  3. deliberately, cross-talk

  4. linear, taper

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