We use Optical Character Recognition (OCR) during our scanning and processing workflow to make the content of each page searchable. You can view the automatically generated text below as well as copy and paste individual pieces of text to quote in your own work.
Text recognition is never 100% accurate. Many parts of the scanned page may not be reflected in the OCR text output, including: images, page layout, certain fonts or handwriting.
Radio and talk-back system
•k Desk-type radio and talk-back system embodying 8-incb monitor speaker, 25-watt amplifier, radio tuner and phonograpb turntable. Outlets are controlled by key-type individual switches with a master switch for emergency use. Amplifier has bass and treble compensation. Unit can be furnished with any type of phono equipment. Bell Sound Systems, Inc., 1183 Essex Ave., Columbus, Ohio. — Radio Today.
Streamline amplifier
•k Amplifier with high-low tone control, provision for remote control input channels. Push-pull output 6L6G tubes — cascade inverse feedback. Output impedances, 2, 4, 8, 16, 250, 500 ohms. Model A-50-R— list $63.40. Other models from 5-100 watts. Transformer Corp. of America,. 69 Wooster St., New York, N. Y. — Radio Today.
Home recorder
* Unit to make recordings from microphone or radio. May be used as electric reproducer or p.a. system. Recorder comes complete with amplifier, speaker, crystal mike, collapsible floor stand, diamond needle for aluminum and steel recording and steel needle for "acetate" discs.
Model 1-50, list $150.00. Speak-OPhone Recording & Equip. Co., 23 W. 60th St., New York, N. Y — Radio Toda-y
Instantaneous recording disc
* Light-weight plastic flexible recording disc not affected by moisture or reasonable change in temperature. Shavings are non-inflammable. Steel, sapphire, or stellite cutting style may be used. Flex Record Co., 9 Rockefeller Plaza, New York, N. Y— Radio Today.
Auditorium — night club system
* Ten watt amplifier with two electronic mixed imputs, high gain, beam power design. Velocity microphone and floor stand, with one or two .10-inch permanent magnet speakers in modernistic acoustic speaker chambers. One speaker Model RR102N1, $115.00. Two speaker Model RR102N2, $132.50. Ray-Lab, Inc., 211 Railroad Ave., Elmira, N. Y. — Radio Today.
Auditorium speakers
•k 18-inch permanent-magnet auditorium speakers are offered with four types of response characteristics to meet all needs. Model BR-18 peri-dynamic enclosure available for the new units. Literature available. Jensen Radio Mfg. Co., 6601 S. Laramie St., Chicago, 111. — Radio Today.
NEW LDW PRICE
MODEL 164 identifies the newest, low priced MOBILE Public Address System the market affords. Built to exacting Operadio standards, it is the answer to a demand for an efficient, low priced unit for small sound cars or trucks. An A.C. and D.C. combination, Model 164 features the Operadio "Economizer Control" which conserves battery supply, increasing useful length of charge from 25% to 50%.
You just must know more about this Mobile job. Write for New General Catalog No. 16. Address Dept. RT.
MANUFACTURING COMPANY
Dept. RT. ST. CHARLES, ILLINOIS Export Division: 145 W. 45th St., New York
All Operadio Systems are Licensed by Electrical Research Products, Inc., under U.S. patents of American Telephone and Telegraph Company and Western Electric Company, Incorporated.
List $32.50
D-6-T DYNAMIC Microphone
A sturdy, Multi-use, Quality Microphone
with Higher Output and advantageous
Directivity Characteristics.
Output level— 46, usable range— 30-7000 cps.
D-6-T High
U *27*>
D-6
Low Imp.
$2500
Including Cable.
General catalog describes other attractive models. Request copy.
AMERICAN MICROPHONE CO., Inc.
1915 SO. WESTERN AVE.
LOS ANGELES, CALIF.
APRIL. 7939
57