ATWATER KENT 20

                     (big case)

 Atwater Kent

    model  M

     speaker

  
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Brand

Atwater Kent

Model

20 (big box)

Series number

85765

Country

U.S.A.

Year

1924

Frequency range

Medium waves

Tubes

01A - 01A - 01A (or 00A or 12A) - 01A - 01A

Power supply

D.Current, A: 5 V, B: 90 V, B(detector): 22 V

Measure of the case

66 cm wide;  21,5 cm tall; 19,5 cm deep.

Overall dimensions

66 cm wide;  22 cm tall; 22 cm deep.

Weight

Kg. 9

 

Atwater Kent 20 was produced in two versions : with a big case, like this one, and with a small case as in the compact version.

It works with direct amplification coupled cascade stage circuits, separate tuning.

The third tube is a detector and you may use a 01A, a 00A or 12A.

The horn speaker is an Atwater Kent mod. M with 37,5 cm diameter bell and 63,5 cm overall tall.