58C

The National Standby Receiver, type 58C is the will-known National SW58 arranged for rack-panel mounting, with front of panel coil changing. Circuit details are essentially the sane as for the Standard SW58. Briefly, the receiver has two tuned circuits, using type 58 tubes as R.F. and Detector, a 227 as first audio, and a pair of 245's as final audio stage. Because of the definitely superior signal-to-noise ratio, many hundred receivers of this type are in use by the principal American Continent Air Lines.

With four sets of coils (13 1/2 - 115 Meters) Net Price $85.00

Source: The National AGS instruction manual

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