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Radio Electronics
Magazine October 1973

Special issue - 4-channel stereo.

Articles include:
Four channel FM; 9 ways to go.
Discrete 4-channel records; setting up a system.
4-channel equipment; what's available now.
4-channel record revue; R-E rates the effect.
IC FM Circuits; how they work.

Plus:
* State-of-solid-state
* Voice actuation for phone sentry
* R-E's replacement transistor guide

Condition: G/VG

$8.00

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