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50
BETTER THEATRES SECTION
OF
October 26, 1929
#\ tjone
Are You
in line to supply the fansrt with What They Want • INSTALL
SYNCRODISK
SYNCHRONIZED TURN TABLES
Perhaps you have been under the impression that it takes thousands of dollars to equip your theatre for talking pictures? If so, we suggest that you get in touch with us and learn all the details of Syncrodisk Synchronized Turn Tables. Complete for only
Patrons are demanding talkies and they are going to the houses which show them. Get in line now at this low price.
High Points
1 Spring Suspension: The Syncrodisk patent that
spells steady even motion. Metal Guard surrounding the disk has two pockets
for needles. Not Driven Off Intermittent.
Installation: Can be made by any operator and wire man. In one hour you are ready to run the standard 16" synchronized disks. Comes Complete with two pick-ups and changeover fader.
More Than 300 now performing smoothly every day. Supplied with two Wright-DeCoster Speakers and one Amplifier for $750.00.
Henry A. Lube, European Distributor 118 Blv'tl Haussniann Ra<lio Motion Picture Co.
Paris, France 156 W. 44th St., New York
WEBER MACHINE CORPORATION
59 Rutter St. Rochester, N. Y.
m
Tendencies in Sound
(Continued from page 44)
tremely practical improvement.
Another patent covers the projecting of an existent picture on the screen in the studio and recording on a synchronized negative music and sound effects cued to the picture. Another covers the recording in the studio of sound on one negative and picture on the other, and later combining these on the same positive.
I began my pioneering in photographing sound recording for talking pictures in 1919. This early work has naturally given me a pioneer position in the talking picture art almost equivalent to that enjoyed from my early efforts in the radio field.
HORN DESIGNED ESPECIALLY FOR NARROW HOUSES
AN electrodynamic air column speaker L has been develooed by the Operadio Manufacturing Company of St. Charles, 111., for long narrow theatres in which acoustical difficulties are met because of reverberation between the walls.
It is actuated with the Operadio ten-inch electrodynamic cone. Bass notes are not
out of proportion to the highs because the design permits direct highs to be radiated from one side of the cone itself, while the lows traverse the air column, being radiated from the other side of the cone. These direct highs plus the directional lows give this speaker its carrying characteristics.
This speaker is sold mounted on a platform with ball-bearing casters, rubbertired. All wiring is in standard BX conduit, and all terminals are brought out in junction boxes which will pass the board of underwriters' specifications. This combination electrodynamic-air column speaker is made in three sizes — small, medium and large.
A new fader brought out by the Operadio company, is of the 12-contact point type. Unlike the usual potentiometer type,
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each contact represents a definite wirewound resistance. This fader is adapted for high impendance lines, being particularly suited for fading between pick-ups of 2,0003,000 ohms impendance.
The fader is mounted in a steel box, pro