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RADIO BROADCAST ADVERTISER
527
23Todulation plus ^generation
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MODEL L-2
This application of regeneration is the most recent development of R. E. Lucault, E.E., A.M.I.R.E., since his perfection of the "Modulation System" used exclusively in the Ultradyne and which has so revolutionized all conception of selectivity, sensitivity, volume and range.
This Model L-2 Ultradyne, without a doubt, represents the peak of present day super-radio engineering skill.
ULTRADYNE KIT
Consists of one low loss Tuning Coil, one low loss Oscillator Coil, one special low loss Coupler, one type "A" Ultrafonner, three type "B" Ultraformers, four matched Grid Condensers.
The Ultraformers are new improved long wave radio frequency transformers, especially designed by R. E. Lacault, Consulting Engineer of this Company and inventor of the Ultradyne.
To protect the public, Mr. Lacault's personal monogram seal (R. E. L.) is placed on all genuine Ultraformers.
Ultraformers are guaranteed so long as this seal remains unbroken. $30.00
Send for the 32 page illustrated book giving latest authentic information on drilling, wiring, assembling and tuning the Model L-2 Ultradyne Receiver.
50c.
PHENIX RADIO CORPORATION
5-7 Beekman Street New York City
Tested and approved by RADIO BROADCAST