Echophone Radio Corp. 128 Schematic

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Product Information:
Model:128
Manufacturer:Echophone Radio Corp. (Hallicrafters)

Schematic Pages

Schematics Content:

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Page 1:

ECHO. PAGE 5-1

MODEL 111

ECHOPHONE RADIO CORP. MODEL 128
Sohenatio, Data

To balance set, first remove chass-
is from cabinet; second, tune con-
denser to about 1720 kc and align
trimmer condenser on detector stage,
then do same to antenna stage until
loudest noise level is obtained.

I model 111 I
This set is designed to oscillate

cast band. This regeneration is
controllable by reducing the volume
of the set. Oscillation in a. set of
this ty-pe increases the sensitivity
from ten to twenty times.

I across a major portion of the broad-

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