Bose 901 User Manual

Page 15

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ACTIVE EQUALIZER (TWO CHANNELS)

Program Contour Controls,

The normally flat radiated power spectrum can be adjusted,

by means of three front panel switches, to yield twenty different
frequency contours designed for compensation of recording tech

niques and room acoustics.

Installation.

The Active Equalizer is easily connected to any preamplifier,

amplifier or receiver using the audio cables supplied.

Construction.

The Active Equalizer contains over one hundred components,

including ten transistors, mounted on a military quality circuit

board. Thirty of these are precision 1% and 5% tolerance compo

nents to insure precise control of the entire audio spectrum in
every production unit.

Dimensions

2 13/16’' high. 9 1/4" wide, 6 3/4" deep.

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