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New Zealand Listener, Volume 10, Issue 248, 24 March 1944, Page 5

ALL the muGic THE VOLUME At A WIth THE EVEN WHISPER 'TONE @FIUMIB 3 ~Distants 5 A EAB Low Loediuml Worhal repuGed| TuRho down the volume on an orthodox radio. Notice how the low notes and the very high ones tend to disappear. That's because of a strange fact that scientists " have named 'scale distortion" the lessened sensitivity of the human ear to high and lcw notes at low volume levels. Now listen to the new Columbus with the volume turned down. But first set the Electronic Ear_~that remarkable HI-point tone control--to Position 6. You'Il hear the same balanced rendering You heard at normal listening level: The Electronic Ear gives you the low and high notes you'd otherwise miss and perfectly balanced reproduction: This amazing Columbus feature does more_~reduces static on distant stations, gives wonderful fidelity on normal reception, and clarity at all times. Its another Columbus exclusivel ILLUSTRATIN G "SC AL E DISTORTION" At normal volume you hear all the notes as in the picture at left; at low volume the ear is less sensie tive to high and low notes and the muse ical balance is dis- torted, a5 at right: CQLUMBUS RAD [ 0 With Jo