1933 Crosley Model 158 "Septet" Cathedral
The model 158 is a seven tube A.C. powered superheterodyne. The intermediate frequency used is 181.5kHz.

The tubes used in this set and their purpose are:
58 RF Amplifier
57 Oscillating Detector
58 IF Amplifier
56 Detector
56 AF Amplifier
42 Output
80 Rectifier
-- Contributed Item --

Crosley Model 158 "Septet" Ad
 

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