Unnumbered Page Advertisement 1

New Zealand Listener, Volume 11, Issue 274, 22 September 1944, Unnumbered Page

Look at it Hard IT'$ THE DIAL THAT MAKES 300,000_ RADIOS OUT-OF-DATE IZB 278 4B 318 erOADCAST TONE 600 700 800 900 IOOO 1200 1400 I600kc 49M Sh T9m 16h SHORT WavE D DISIANI 6000 8000 IOooo 12o00 14000 I6000 STATIONS 3 IMETRE BAND FIDELIIY Ali 9500 9600 9700 LOw VOLUME MEDIUM 2SMETRE BAND NORMAL Ileoo Il9oo [2000 REDUCED 19 METRE BAND TREBLE 4900 ISooo 15200 15400 15600 COLUMBUS NOW YOU CAN TUNE SHORTWAVE NO W YOU CAN HAVE ALL THE As EASILY AS BROADCAST MuSIc WHATEVER THE VOLUME with Columbus Calibrated band with Columbus Electronic Ear spread tuning The little sketch below shows Did you know that low you the difference between the shortwave tuning scale on and high notes tend to orthodox radios, with dozens of stations crowded on the disappear W h e n you turn down the volume on an ordinary radio? That'$ oRIHOdox because of 44 'scale dis- PLAL tortion the lessened sensitivity of the human ear to those high and low notes when volume is C0 L umB U $ D ! A 4 low. The effect is aS yoa see it in lower sketch: JL180 Hao Baeo 626e 6eceo But, th a n k s to the Electronic Ea T, you'II 19-metre band-~and the Columbus Calibrated Scale with hear all the notes on the 19-metre band spread six inches wide. No wonder Columbus: shortwave funin 9 is simple and quick: You want London on 15,070 kilocycles? Sp in the The Electronic Ear pointer there and you're the Columbus I1-point tuned: Once tuned, You tone control restores the missing notes and STAY tuned. That's the gives you fully balanced modern Columbus way reproduction, just aS you of making shortwave see it in the top sketch: enjoyable: Another exclusive fea- ture in an exclusive radio: COLUMBUS RAD / 0