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Philco 43-720 (prototype)
Philco 43-720 (prototype)
Photos donated by Michael Feldt.
Visit Michael's web site at http://www.indianaradios.com/.

To see all the photos Michael has contributed to the Archives, click here.
This radio is a prototype for the 1943 production year. This set never went beyond the development stage because Philco switched to war production in 1943. Because of this fact, it's assumed that this is the only 43-720T known to exist. I acquired it from an eBay auction in 2001.

Tube Line Up:
6J8...Mixer / Oscillator
7B7...I.F. Amplifier
7C6...Detector / AVC
6K6...Audio Output
7Y4...Rectifier

Frequency Range:
BC...550 kHz - 1600 kHz
SW1...3 MHz - 9 MHz
SW2...9.3 MHz - 12.0 MHz
SW3...12 - 22 MHz

A1  A2  A3  A4  A5  A6  A7  B  C1  C2  C3  C4  D1  D2  D3  E1  E2  E3  E4  E5  F1  F2  
F3  G1  G2  G3  G4  H  IJ  K  L  M1  M2  M3  M4  M5  NO  P1  P2  P3  P4  P5  R1  R2  
R3  R4  S1  S2  S3  S4  S5  S6  S7  T1  T2  UV  W1  W2  W3  XZ  Z1  Z2  Z3  Z4  Z5  Z6  
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