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.RADIO BROADCAST ADVERTISER.
START THE RADIO SEASON WITH A REAL POWER AMPLIFIER
USE either the UX-250 Tube or the far exceed all previous broadcasting and
UX-245 Tube as a basis for equip you can get each one as realistically as
ing your set with up-to-date power anyone could desire, for a reasonable
amplification. Programs this year will cost.
POWER PARTS BY DONGAN
Designed especially for UX-245 Tube, the following Parts will build you the very latest and finest kind of Power Amplifier — the type used with the new highpriced receivers.
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
with No. 2158 Audio Transformer - - - 4.50
D-946 Standard Condenser Unit 22.50 No. 5554 Double Choke (use in Filter Circuit) - - - - 11.00
No. 2124 Transformer (for Push-Pull Radio and Phonograph Amplifier) 6.00
Get complete information on the new and approved types of Power Amplifiers using UX-245 and UX-250 Tubes and Dongan Approved Parts. For immediate delivery of any of these parts send check or money order.
DONGAN ELECTRIC MANUFACTURING CO.
2991-3001 Franklin Street Detroit
Ms..
A Radio Parts Guide
THE NEW
Catalog
Send for it today for complete listings of Radio Convenience Outlets, Connector Plugs, Rheostats.Fixed and Grid Resistances, Jacks, Jack Switches, Phone Plugs, etc.
YAXLEY MFG. CO.
Dept. B, 1528W Adams St., Chicago, 111.
th
most amusing of the new smart accessories found every month in the pages of The American Home. $1.00 a year.
Garden City, N. Y.
ROBERT S. KRUSE
Consultant and Technical Writer
103 Meadowbrook Road, West Hartford, Conn. Telephone Hartford 45327
Radio tubes tead£e forest, ^ ies of ^dio" area^feontbe
A. C. Line Voltage Control
For Radio Set Manufacturers A remarkably convenient and efficient device which automatically handles A. C. line fluctuations over a broad range.
Does not add to chassis cost. For Details, Write Dept. RB9. ^l^Ldiall (Bompany SO FRANKLIN ST., NEW YORK
{Makers of the
Amperi
0)u "SELF-ADJ USBM
HELPFUL TECHNICAL INFORMATION
A regular feature of Radio Broadcast is the series of Laboratory Information Sheets, which cover a wide range of information of immediate value to every radio worker, presented in a form making it easy to preserve them. To insure your having every issue, send your check for $4.00 for one year's subscription to
Subscription Department Doubleday, Doran & Company, Inc. Garden City, N. Y.
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• S E I' T EMBER 1 929 •