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RADIO BROADCAST ADVERTISER
751
Graph showing how the regenerate effect
in the Model L-2 Ultradyne increase! as
the strength of the recede decreases
on the, jfoud
*
Gets Distance
The ULTRADYNE Kit
consists of 1 Low Loss Tuning Coil, 1 special Low Loss Coupler, 1 type "A" Ultraformer, 3 type " B* Ultraformers, 4 matched fixed Condensers.
To protect the public, Mr. Lacault's personal monogram seal (R.E.L.) is placed on all genuine Ultraformers.
$30.22
T TNLIKE other Super-radio receivers, the Ultra^ dyne, with its exclusive use of the "Modulation System". and special application of regeneration, is capable of detecting and regenerating the faintest signal, making it audible on the loud speaker.
The regenerative effect in the Ultradyne increases as the strength of the signal decreases, until the signal becomes so weak that no amount of amplification will make it audible.
A radical advance in radio engineering and the latest development of R. E. Lacault, E.E., A.M.I.R.E., Chief Engineer of this Company and formerly Radio Research Engineer with the French Signal Corps Research Laboratories.
You will marvel at the unusual selectivity, sensitivity and range of this new Model L-2 Ultradyne.
Write for descriptive circular
How to Build and
Operate the ULTRADYNE
32-page illustrated book giving the latest authentic information on drilling, wiring, assembling, and tuning the Model L-2 Ultradyne Receiver.
SO*
MODEL L-2 Phenix Radio Corporation
5-7 Beekman Street New York City
•.
.J
Tested and approved by RADIO BROADCAST