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New Zealand Listener, Volume 12, Issue 296, 23 February 1945, Page 12

All the low notes all the high notes 66 whisper leret OhLY THE ELECTRONIC EAR MeETS ThIS ~TEST QF hibh FIDELITY REPRODUCTIon Yes, that's the real test of life-like reproduction: Turn the volume down Es right down Es on Your The Electronic Ear not only ensures radio does the music "thin-out" do high the fidelity of normal reception but notes and low notes almost disappear ? That'$ reduces static on distant stations what scientists call "scale distortion" and gives maximum clarity unde all conditions. Scale distortion was successfully overcome when Columbus engineers invented the Electronic Ear. For the first time it became possible to have perfectly balanced reproduction at all volume levels _ even at "whisper level" for background music: You see there is a setting of the Electronic Ear for high, medium and low volume E and, in every case, it recreates exactly every note; every shade of voice or instrument; nothing lost and nothing added: No radio has ever done this before: That' $ why, if you expect living realism from the radio You own, It must bear the name Columbus. CQLUMBUS RADIO A TR|UM PH 0 F ELE CTR 0nics ONH MM Mh Hh m, E G[ MAY Of Course E AMber Tps W W W W W W WU L W W MU W W WWWwWIW HL Fletcher, Humphreys 8 Co., Cathedral square, Christchurch: at