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Offers
The Golden Sound "
To The Exhibitors for The New Year 1939
Hi-Lo-PHONIC" Cellular Speakers for high class theatres
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BOXOFFICE
I-LO PHONIC 40 WATTS jPEAKER FOR 2000 SEATS THEATRE
*m T is a well-known fact Jl| that no single speaker " can be expected to cover the full range of frequencies from 40 to 12,000 cycles. The best type of cone speakers available covers up a frequency range of only 60 to 4,500 cycles. Therefore it was found necessary that to cover up the full range of frequencies, it would be better to have two types of speakers combined together in order to achieve the full frequency range of 40 to 12,000 cycles. And hence our introduction of the latest "Hi-Lo-PHONIC" Speakers, using one Hochtone horn-type speaker for the higher frequencies and a special Tieftone cone-type speaker for the lower frequencies alone.
A filter is used with this combination which passes only the higher frequencies to the Hochtone unit and only the lower frequencies to the Tieftone unit. Thi<= filter also protects the Hochtone horn-type speaker unit because it prevents the lower fre
FRONT VIEW
quencies from being fed to it so that the diaphragm of this unit never vibrates unduly and so can never get damaged, as would have been the case if the lower frequencies were allowed to reach it.
The frequency range of these speaker cover 40 to 12,000 cycles and the multi-cellular directional horns distribute the sound to each and every corner of the theatre uniformly. For clarity of speech and highest quality reproduction of music — as if the artistes were present In person — there is nothing to compare with these speakers.
The "Hi-Lo-PHONIC" Speakers are available in 5 models suitable for theatres with sitting accommodations from 400 to 4000 seats and with horizontal angles from 60 to 160 degrees, and vertical angles from 35 to 60 degrees and suitable for handling continuous loads of 14 to 60 watts undistorted.
For further particulars please write to: —
The International Talkie Equipment Co.,
Roxy Chambers
New Queen's Road, Bombay.
Sub-Agents:
SARASWATI STORES, MADRAS; FAMOUS PICTURES, RHUS AVAL; DESAI & CO., DELHI & LAHORE; CENTRAL TALKIES, JETPUR; SONPAL TALKIE FILM SERVICE, CALCUTTA.