Radio Broadcast (May 1928-Apr 1929)

Page scan 000718 from Radio Broadcast

Record Details:

Title:
Radio Broadcast
Date:
May 1928-Apr 1929
Publisher:
Garden City, N.Y., Doubleday, Page & company [etc.]
Volume:
Radio broadcast ..
Leaf #:
000718
Language:
English
Subjects:
radio periodical, Radio -- Periodicals
Contributor:
Library of Congress, MBRS, Recorded Sound Section
Sponsor:
Library of Congress, Motion Picture, Broadcasting and Recorded Sound Division
Coordinator:
Media History Digital Library
Description:
Radio Broadcast supported home listeners of the new technology of radio – for building or buying a receiving set to explaining the technology used by the new radio stations. Throughout the magazine shows the cultural influence of radio as it evolved from hobbyist to mainstream. -- David Pierce, 2011
Date Added:
July 18, 2024
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RADIO BROADCAST ADVERTISER Quality en*en AUDITORIUM SPEAKER DYNAMIC, OF COURSE! Here is a new dynamic speaker by Peter L. Jensen which again sets the standard of reproduction, just as his first dynamic cone didin 1927. It is called the Jensen Auditorium Speaker, and brings to you a quality, a brilliance and a volume of reproduction never attained before. For use in auditorium or theatre this new all-purpose speaker should be operated from the largest amplifier. For home use it is just as efficient when operated from one type 171 amplifier tube. Three models are available; one for field operation from 110 Volt DC; one for 220 Volt DC; one for 110 Volt AC. The latter type , illustrated above, requires a full wave rectifier tube, type 280 or 380. Approximately 18 watts are required to excite the field. The cone is 11 inches in diameter. Write to us, or let your dealer demonstrate. JENSEN RADIO MFG. COMPANY 338 N. Kedzie Ave., CHICAGO, ILL. 212 Ninth Street, OAKLAND, CAL. Jensen Patents Allowed and Pending — Licensed under Lektophone and Magnavox Patents |en*en At/BiTORitJM SPEAKER TONE QUALITY NOW the Carborundum Detector is adjustable. A turn of the pressure screw gives you perfect balance— gives you perfect tone. The detector then remains fixed and permanently sensitive, by tightening the lock nut. Tone Quality is everything in radio; here is another improvement that further assures it. Recommended by noted radio-circuit designers. DEALER OR DIRECT, $1.50 IN U. S. A. Send for Free Book "Carborundum in Radio" — D-2 THE CARBORUNDUM CO., NIAGARA FALLS, N. Canadian Carborundum Co., Ltd., Niagara Falls, Ont [Carborundum is the Registered Trade Mark of The Carborundum j Company lor it9 Silicon Carbide and iB ite exclusive property I CARBORUNDUM REG. U. S. PAT. OFF. DETECTOR Write for this Discount Card NOW! It will enable you to purchase the New and Improved KNAPP "A" POWER KIT at a liberal discount The new Knapp "A" is the finest andmost complete kit ever offered. It is the only "A" Power adaptable to Short Wave — Super Heterodyne and Television reception. Take advantage of the wonderful offer today — write David W. Knapp, Pres. Knapp Electric, Inc. Division of P. R. Mallory & Co., Inc. Room 4MB, 350 Madison Ave., N. Y. City "lctl uf to Sho"iW S3* « Sender WESTERN RADIO 9WV DEALERS AND SET BUILDERS The NEW 1929 catalog is crammed full of the FINEST, NEWEST, Nationally known A. C. sets, consoles, cabinets, dynamic speakers, kits, eliminators and accessories at LOWEST PRICES. Largest stock of radio parts, Prompt delivery. No delay. Write for our FREE catalog WESTERN RADIO MANUFACTURING CO. 19ft W I.nlr«> St. Dent. RB-2 Chicago 'jfaBigFriendlyRadioHouse • february, 1929 page 280