Amplifier

10th January 1969

Page 61, 10th January 1969 — Amplifier

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Aiphone Communication Systems Ltd. has announced a telephone amplifier, the GA.50, a successor to the GA.30.

The GA 60, fully transistorized and unbreakable under normal use, is guaranteed for five years.

It can be used on the latest GPO phones, is powered by four pen-light batteries, and fitted with an on/off switch and volume control.

Made by: Aiphone Communication Systems Ltd., P.O. Box 107, London, 5E25.

Price: £7.