American Bosch 670T (1937)
American Bosch 670T
Photos donated by Michael Feldt.
Visit Michael's web site at http://www.indianaradios.com/.

To see all the photos Michael has contributed to RadioGallery.net, click here.
The 670T, sister radio to the Westinghouse WR-214, was the largest table model radio, and the only tombstone radio, American Bosch offered in 1937. I purchased this radio through an ad in the Antique Radio Classified magazine in the early 1990s.

Tube Line Up:
6K7G...R.F. Amplifier
6A8G...1st. Detector / Oscillator
6K7G...I.F. Amplifier
6H6G...2nd. Detector / AVC
6C5G...Audio Driver
6F5G...Audio Phase Splitter
2 x 6F6G...Push - Pull Audio Output
5Y3...Rectifier

Frequency Ranges:
LW Band (Green)...150 kHz - 380 kHz
BC Band (Cream)...540 kHz - 1800 kHz
P Band (Blue)...1.8 MHz - 6 MHz
SW Band (Red)...6 MHz - 18 MHz

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