In 1971 Ferrograph unveiled the RST1 test set to the Hi-Fi trade.

Improved Ferrograph test set.

   The Ferrograph Co. Ltd. have produced a new version of their versatile test set.

    The RST2 is designed for dealers' service departments and professional studios and provides in one compact unit testing of frequency response, signal-to-noise ratio, distortion, crosstalk, wow and flutter, drift, output power and gain etc.

FERROGRAPH AUDIO TEST SET COMPRISING RTS2 + AUXILIARY UNIT. AIMED AT SERVICE DEPARTMENTS, MANUFACTURERS & THE WELL HEALED AMATEUR ETC.

Ferrograph Audio Test Set

Checks Amplifiers, Mixers & Tape Recorders

for

Frequency Response - Signal to Noise ratio

Distortion - Crosstalk

Wow & Flutter - Drift

Erasure - Sensitivity

Output Power- Gain

The addition of the Auxiliary Unit

provides extra facilities for Studio Testing

The Ferrograph test equipment was manufactured by Wayne Kerr a subsidiary of the Ferrograph Company.

Wayne Kerr has a long history of manufacturing test equipment for the professional user, and joined with Ferrograph under the Wilmot Breedon ownership.

Their own branded products such as the RA200 Audio Frequency Response Analyser (illustrated left), were more up-market products and considerable more expensive.

1977

ABOVE: Ferrograph A.R.A. 1 (Wayne Kerr) Audio Frequency Analyser and RTS2

RIGHT:

Summary from review by Hugh Ford in the May 1977, Studio Sound Magazine.

Who confirms that the simple operation of the unit means that most people would be able to use it and get good results.