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Last modified 2023-07-07

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National HRO-60

A picture of National HRO-60

SPECIFICATIONS

GENERAL
Type:VLF/HF/VHF receiver
Frequency range: 0.48-35 MHz /Early version)
0.05-54 MHz (Later version)
Tuning steps:Analog / continuous
Frequency stability:? ppm
Mode:AM / CW (FM option)
Channels / memory management: None
Power supply:Mains: 115 / 230 VAC
Current drain / power consumption:? W
Antenna impedance / connector:50-300 ohm / ?
Dimensions (W*H*D): Cabinet version: 502*257*419 mm (19.75*10.13*16.5")
Rack version: 483*267*447 mm (19*10.5*17.6")
Weight:38.5 Kg (85 lb)
Other features:




RECEIVER SECTION
Receiver system: Single conversion superheterodyne (Below 7 MHz)
IF: 455 KHz
Double conversion superheterodyne (Above 7 MHz)
1st IF: 2.01 MHz
2nd IF: 455 KHz
Sensitivity: 2-30 MHz
<1.7 uV (No reference)
Selectivity:
Image rejection:
AF output power / speaker:8 W at ?% distortion / No internal speaker
External speaker connector:8 and 500 ohm




MISCELLANEOUS
Manufactured:USA, 1952-1964 (Discontinued)
Additional info: 15 tubes.
New price 1952 in the US: $483.50 (Without speaker)
Related documents:
Modifications and fixes:
Reviews:
Options / Accessories:
650S
HRO-60TS
NFM-83-50
SOJ-3
XCU-60-2
6 VDC power supply
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