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Consumer Electronics by S. P. Bali

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ELECTRONIC CONTROLS

The recording volume controls are more important in use than purely electronic controls. They may take the form of a single volume control together with a balance control, or, more commonly, of separate volume control for two stereo-channels. Some recorders use rotary controls, others use the currently fashionable slider controls, but the aim in each case is to control the amplification of the input signal being recorded, so that the best recording level is achieved. Because of the inevitable differences between the two amplifiers of the stereo pair and differences at the signal source the volume control settings for the two channels may not be identical, but should be close to each other in setting.

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