the Radio Attic Archives
RCA 140 (1934)
RCA 140
Photos donated by Lew Magrish.
Visit Lew's web site at

To see all the photos Lew has contributed to the Archives, click here.
The following info is courtesy of Michael Feldt.

Tube Line Up:
58...1st. R.F. Amplifier
58...2nd. R.F. Amplifier
2A7...1st. Detector / Oscillator
58...I.F. Amplifier
2B7...2nd. Detector / AVC
56...1st Audio
53...Audio Output

Frequency Range:
BC Band "A"...540 kHz - 1,500 kHz
P Band "B"...1,500 kHz - 3,900 kHz
SW1 Band "C"...3,900 kHz - 10,000 kHz
SW2 Band "D"...8,000 kHz - 18,000 kHz
I.F. Frequency...445 kHz

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  G5  H  IJ  K  L  M1  M2  M3  M4  
M5  NO  P1  P2  P3  P4  P5  R1  R2  R3  R4  R5  R6  S1  S2  S3  S4  S5  
S6  S7  S8  T1  T2  UV  W1  W2  W3  XZ  Z1  Z2  Z3  Z4  Z5  Z6  Z7  
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