Better Balance Control (Contributed by Bernd Ludwig)

Published:2012/10/25 2:27:00 Author:muriel | Keyword: Better Balance Control | From:SeekIC

Bernd, a reader of The Audio Pages, has contributed a useful variation - in this case, a better balance control. Note that the configuration described requires a high impedance load, and the passive Better Volume Control cannot be used in this circuit. Used in the manner shown, it is a very similar concept to the better volume control of Figure 1, except it is (in a sense) the same idea in reverse. Bear in mind that many (especially Japanese) designs use a specially designed pot for balance, and these are not suitable for the circuits shown below. These pots commonly have a centre detent, and the resistance of each track remains very low from the centre position to one end (or the other) of travel. These special pots are characterised by the level remaining constant in one channel or the other as the balance pot is moved. The overall law of these controls is (IMHO) unsatisfactory for hi-fi.



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