Radio Broadcast (May 1929-Apr 1930)

RADIO BROADCAST ADVERTISER. QUALITY PRODUCTS Care-Free, Long-Life Reception — use Dongan Power Parts and get the Best in Radio IP VERY evening the radio is a faithful and hard-working entertainer in millions of J homes. No other musical instrument is called upon for such regular and enduring service. Whether we spend the evening quietly reading or entertain at bridge the familiar station announcements keep pace with the family clock. Anything as much demanded and appreciated, a source of never-ending interest and enjoyment, should not be slighted, should not be the victim of petty economy. Today anyone can own the type of radio receiver that will operate hour after hour without attention. Music and speech are resonant and real. You can have this kind of radio at a moderate cost. The new UX 245 Tube has made possible an even lower gross cost than was necessary with UX 250 Tube. It will pay you to find out about this new tube and the accompanying Parts. No. 994 Power Amplifier Transformer $12.00 either No. 2189 Push-Pull Output Transformer ---- --- 12.00 with No. 2142 Push-Pull Input Transformer - - - - 4.50 or No. 3107 Straight Output Transformer - - - - 12.00 j with No. 2158 Audio Transformer - - - - - - 4.50 Two Secondary Windings (for either No. 2189 or No. 3107), one for Magnetic type and the other for Dynamic type Speaker. D-946 Standard Condenser Unit - - - - - 22.50 This Condenser Unit is also designed for use with No. 994 Transformer for Power Amplification. No. 5554 Double Choke, use in Filter Circuit - - - -11.00 No. 2124 Transformer - - - - - - - 6.00 DONGAN ELECTRIC MANUFACTURING CO. 2991-3001 Franklin Street Detroit ^TRANSFORMERS of MERIT foV FIFTEEN YEARS fm Just Off the Press A NEW Catalog Send for it today for complete listings of Radio Convenience Outlets, Conn ector Plugs, Rheostats.Fixed and Grid Resistances, Jacks, Jack Switches, Phone Plugs, etc. YAXLEY MFG. CO. Dept. B, 9 So. Clinton St., Chicago, 111. Prevents This is a good time to subscribe for RADIO BROADCAST Through your dealer or direct, by the year only $4.00 DOUBLEDAY, DORAN & CO., INC. GARDEN CITY, N. Y. $1.10 tvith mounting (in U. S. A.) at all dealers. This symbol in a radio diagram means Install Amperite for every tube and smooth out "A" current wabble that ruins reception. Amperite adjusts itself to the exact need of each tube. A type for every tube — A. C. or D. C. f^ftiatl (Sompatty \ W FRANKLIN ST, . NEW YOEK. | FREE "Amperite Blue Book" & of modern circuits and • valuable construction data. Write Dept . Kit 8. SELF-ADJUSTING" Rhtastal The child will soon be leading the parent Here was the split-up of the average radio dollar in 1922: *10%— $ 6,000,000— spent for tubes 90%— 54,000,000— spent for parts and sets Between 1922 and 1928 the tube market increased 18-fold — while the market for sets and parts increased only 10-fold — in dollars. Here is the splitup in 1928: *17%— $110,250,000— spent for tubes 83%— $539,750,000— spent for sets and parts Your future prosperity depends to a great extent on how well you develop the tube market in your locality. *Figures courtesy of "Radio Retailing." The Ce Co Policy Tlie CeCo Manufacturing Company is embarking on a nation-wide advertising program to help the dealer widen his market for tubes. The CeCo Couriers broadcast every Monday night at 7:30 Eastern Standard time over the Columbia System. We have proved the quality of CeCo Tubes by the most severe tests any radio tubes have ever had to stand. Tests made by independent laboratories have proved that CeCo Tubes have from 30% to 50% longer life than any other tubes tested. How to increase your tube sales Send for the dealer book "Tomorrow in the Tube Industry." It contains many helpful suggestions for building up tube sales and shows what progress other dealers are making along this line. The AC 224 Screen Grid Tube was developed and perfected by CeCo over ayearandahalfago. Licensed under patents and applications of the Radio Corporatiou of America, the Genera] Electric Company, and the Westinghouse Electric and Manufacturing Company. Ce Co Manufacturing Company, Inc. PROVIDENCE, II. I. CeCo Manufacturing Co., Inc.. Dept. 108, 1200 Eddy St., Providence, R. I. Sena me a copy of the dealer book on the radio tube market. Name CompanyAddress — 1 84 • • AUGUST 1929 •