Philips D57AU

made in Germany circa 1938

With rare DC to AC inverter option.

Unique series of "Monoknob" receivers.  Exceptional tonal performance for their time.  Unequaled by any American made table model receivers of the day.

Follow these links to more information.

https://www.radiomuseum.org/r/philips_wechselrichter_zerhacker_3.html

https://www.radiomuseum.org/r/philips_aachen_d57_d_57.html

https://www.antiquewireless.org/wp-content/uploads/Vol.-27.pdf

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