RigPix logo

National Company logo


Back to main

Back to National Company

Next receiver


Copyright logo


Last modified 2023-07-09

Valid HTML 4.01 Transitional

National NC-270

A picture of National NC-270

SPECIFICATIONS

GENERAL
Type:Amateur band HF/VHF 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:? ppm
Mode:AM / SSB / CW
Channels / memory management: None
Power supply:Mains: 105-125 VAC
Current drain / power consumption:75 W
Antenna impedance / connector:? ohm / ?
Dimensions (W*H*D):400*222*228 mm (15.75*8.75*9")
Weight:12.7 Kg (28 lb)
Other features:




RECEIVER SECTION
Receiver system: Double conversion superheterodyne
1st IF: 2.215 MHz
2nd IF: 230 KHz
Sensitivity:1.5 uV (10 dB S/N)
Selectivity: Selectable
5, 3, 2.5 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, 1960-1964 (Discontinued)
Additional info:New price 1960 in the US: $249.95
Related documents:
Modifications and fixes:
Reviews: CQ: May 1961
QST: January 1961, page 46
Options / Accessories:
NTS-3 Matching speaker