1980 ATC “The definitive studio monitor” Ad

“The definitive studio monitor”

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Conceived for the engineer who appreciates both exacting performance and distinctive style, the ATC S50 and $85 studio monitors provide a state-of-the-art solution to a tough problem – that of providing the best studio sound reproduction there is.
On the basis of its performance specification, the S85 simply has no competition. It has a bandwidth of 40Hz to 20kHz, sensitivity of 1Watt @ 90dB @ 1m, maximum power input of 300Watts, a usable radiation angle of $60deg horizontal and + 10deg vertical, plus harmonic distortion of better than 0.3percent at 1W and below 1.0percert at 25w. The S50 offers per. formance within a whisker of this. but in a smaller package and at a lower price