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Last modified 2023-07-08

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National NC-140

A picture of National NC-140

SPECIFICATIONS

GENERAL
Type:HF receiver
Frequency range: 0.54-30 MHz in five bands
A:   0.54-1.6 MHz
B:   1.6-4.0 MHz
C:   4.0-10 MHz
D:   10-20 MHz
E:   20-30 MHz
Tuning steps:Analog / continuous
Frequency stability:? ppm
Mode:AM / CW
Channels / memory management: None
Power supply:Mains: 105-120 VAC
Current drain / power consumption:75 W
Antenna impedance / connector:50 ohm / ?
Dimensions (W*H*D):400*225*229 mm (15.75*8.75*9")
Weight:12.7 Kg (28 lb)
Other features:Bandspread.




RECEIVER SECTION
Receiver system: Double conversion superheterodyne
1st IF: 2.215 MHz
2nd IF: 230 KHz
Sensitivity:Better than 1 uV (No reference)
Selectivity:8 KHz and 0.5-5 KHz variable
Image rejection:
AF output power / speaker:3 W at ?% distortion / No internal speaker
External speaker connector:3.2 ohm




MISCELLANEOUS
Manufactured:USA, 1963-1964 (Discontinued)
Additional info:
Related documents:
Modifications and fixes:
Reviews:
Options / Accessories:
NTS-3B
XCU-109
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