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RADIO AGE for January, 1925
The Magazine of the Hour 5
Install genuine AllAmerican Audio Transformers. Two of these instruments, fitted into any set not already equipped with them, will give the receiver greater loud-speaker volume with remarkable purity of tone. ALL'AMERicANTransformers are so designed that they amplify fundamentals and harmonics equally, through' out practically the entire audible range. Hence, voice and tones are reproduced faithfully.
The standards of precision to which All-Americans are made, have led to their adoption as standard equipment on all the better sets.
Insist upon AllAmericans : the Audio Transformers which, through sheer merit, have become the largest selling transformers in the world. 3 to 1 Ratio, $4.50; 5 to 1 Ratio, $4.75; 10 to 1 Ratio, $4.75.
Use All-American Super-Fine Parts, and you can have an intermediate-frequency receiver embodying all the most advanced features known in Radio.
Super-Fine Parts are easily installed. No critical adjustments are necessary. Operation is smooth and flawless. And every part is AllAmerican — if you are a Radio Fan you know what that means! Sets built with Super-Fine Parts are unsurpassed for selectivity, range, volume, and tone quality. Practically any station in the country can be brought in on the loud-speaker. Interference from local stations is completely eliminated. Reliability is assured through All-American precision in manufacturing. SuperFine Parts represent in a very real sense the ultimate in radio broadcast reception. Price, $26.00
J
ALL-AMAX JUNIOR
An AU-American One-Tube Reflex
This is the ideal set for the youthful beginner in Radio. It comes completely mounted on panel and baseboard, and can be easily wired in one delightful evening with the aid of clear photographs and a 43-page instruction book. Easy to tune — as selective as a multitube set — has"crystal" tone quality — volume enough for speaker operation. It brings in far-distant stations, and tunes out the locals.
Price, complete (semifinished) $22.00
The Radio Key Book
Will help anyone to hear farther and better. Contains practical hints for the set builder — ■ tested hookups — diagrams of All-Amax and other circuits. Sent for 10 cents, coin or stamps
RAULAND MFG. CO.
2680 Coyne St., Chicago Pioneers in the Industry
ALL-AMAX SENIOR
An All-American Three-Tube Reflex
A complete receiver of the highest type. Great range and selectivity are provided by three stages of tuned and SELF-TUNED Radio Frequency Amplification. A crystal detector and two stages of Standard ALL-AMERICAN-equipped Audio, insure speaker volume on distant stations, with undistorted tone quality. Completely assembled— full directions for wiring.
Price, complete (semi-finished) $42.00
I
1^** TRADE MARK *^l
Largest Selling Transformers in the~World
* Tested and Approved by RADIO AGE *