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Last modified 2016-11-01

National NC-303

A picture of National NC-303

SPECIFICATIONS

GENERAL
Type:HF receiver
Frequency range: 10-160 m + 11 m in 7 bands (6 m/2 m/220 MHz options)
1.8-2.0 MHz (160 m)
3.5-4.0 MHz (80 m)
7.0-7.3 MHz (40 m)
14.0-14.4 MHz (20 m)
21.0-21.5 MHz (15 m)
26.5-27.5 MHz (11 m)
28.0-29.7 MHz (10 m)
Tuning steps:Continuous
Mode:AM/SSB/CW
Channels/memory management:No
Power supply:Mains: 105-130 VAC
Current drain/power consumption:Max 70 W
Antenna impedance/connector:Hi-Z / random wire (50 ohms / SO-239 option)
Dimensions (W*H*D):495*286*381 mm (19.5*11.25*15")
Weight:27.2 Kg (60 lbs)
Other features:




RECEIVER SECTION
Receiver system:Double conversion superheterodyne
1st IF: 2.215 MHz
2nd IF: ? KHz
Sensitivity:
Selectivity:
Image rejection:
AF output power/speaker:? W at ?% distortion / No internal speaker
External speaker connector:Screw terminals, ~4 ohms




MISCELLANEOUS
Manufactured:USA, 1958-1962 (Discontinued)
Additional info:
Related documents:User manual (2.2 MB)
Modifications:
Options/Accessories:
NC-300C1
NC-300C2
NC-300C6A
NTS-2TS
XCU-300
XCU-303
220 MHz converter, 220-225 MHz
2 m converter, 143.5-148.5 MHz
6 m converter, 49.5-54.5 MHz
External speaker, 3.2 ohms
Crystal calibrator (100 KHz)
Crystal calibrator (100 KHz) with WWV 10 MHz RX
A rear picture of National NC-303