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FEBRUARY, 1932
Page 27
It Takes A 60 Watt Power Amplifier To Deliver the Sock!
Sound installation men are learning from experience that it pays to make original installations with amplifiers of ample power to do the work demanded by critical buyers. We have anticipated this trend and have specialized in amplifiers of more than ordinary power suitable for just that type of work.
Rauland Model 185 Power Amplifier (illustrated) develops 60 watts of undistorted power output; designed to cover large crowds assembled in Stadiums, Athletic Fields, Fair Grounds, Parks, etc. Equally efficient for indoor use where great power is required.
The output stage utilizes two 845 or 545 type tubes in special push pull arrangement with two 866 or 566 rectifiers. Individual Grid Bias control to balance plate current of amplifier tubes, time delay switch for proper application of plate potentials. The amplifier is equipped with proper and ample fuse protection*. Prices moderate.
Rauland Power Amplifiers and Sound Equipment reflect the highest quality in design and manufacture behind which is twelve years of specialization in the science of audio amplification. We welcome the opportunity to supply technical information. Our staff of expert engineers are eager to help in any sound problem. Write for information. — Now.
THE RAULAND CORPORATION
3341 Belmont Avenue Chicago, Illinois, U. S. A.
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« A SYNCROFLIM "B" SOUND HEADS t*° FOR SIMPLEX or POWERS
DESIGNED ESPECIALLY FOR SMALL THEATRES WHERE LOW PRICE EQUIPMENT IS DESIRABLE
Compact and sturdy in construction, simple to operate, perfect in efficiency. Smooth, quiet, positive drive assures even tone quality without distortion.
Sound heads for Simplex or Powers projectors are furnished complete and include optical systems, photo-cells, exciter lamps, adjustable motor mounting brackets, endless woven belts, grooved motor pulleys and all necessary attachments for projector.
EASY TO INSTALL
$<£ ID per pair complete
Write for further information
MONEY-BACK GUARANTEE
WEBER MACHINE CORP.
59 RUTTER STREET ROCHESTER, N. Y.
Export Office: 15 Laight St., N. Y. C.
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