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Last modified 2023-07-09

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National NC-155

A picture of National NC-155

SPECIFICATIONS

GENERAL
Type:Amateur band HF receiver
Frequency range: 10-80 m / 6 m in six bands
80 m:   3.5-4.0 MHz
40 m:   7.0-7.3 MHz
20 m:   14.0-14.4 MHz
15 m:   21.0-21.5 MHz
10 m:   28.0-29.7 MHz
6 m:   50.0-54.0 MHz
Tuning steps:Analog / continuous
Frequency stability:Less than 1 KHz per 5 hours
Mode:AM / SSB / CW
Channels / memory management: None
Power supply:Mains: 105-205 VAC
Current drain / power consumption:Less than 70 W
Antenna impedance / connector:? ohm / ?
Dimensions (W*H*D):397*219*229 mm (15.62*8.62*9
Weight:11.34 Kg (25 lb)
Other features:




RECEIVER SECTION
Receiver system: Double conversion superheterodyne
1st IF: 2.215 MHz
2nd IF: 230 KHz
Sensitivity:1 uV (10 dB S/N)
Selectivity: Selectable
5 and 3 KHz and 600 Hz (-6 dB)
Image rejection:
AF output power / speaker:1.5 W at 10% distortion / No internal speaker
External speaker connector:3.2 ohm




MISCELLANEOUS
Manufactured:USA, 1961-1964 (Discontinued)
Additional info:
Related documents:
Modifications and fixes:
Reviews: 73 Magazine: June 1962, page 69
CQ: January 1963
QST: July 1962, page 47
Options / Accessories:
NTS-3B
XCU-109
Matching speaker
Crystal calibrator