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Last modified 2023-07-07

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National HRO-50T1

A picture of National HRO-50T1

SPECIFICATIONS

GENERAL
Type:VLF/HF/VHF receiver
Frequency range: 0.05-0.43 / 0.48-35 MHz
By plug-in coils
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:Max 100 W
Antenna impedance / connector:50-200 ohm / Screw terminals
Dimensions (W*H*D):501*257*420 mm (19.75*10.12*16.5")
Weight:38 Kg (83.78 lb)
Other features:Bandspread coil drawers. Crystal calibrator and selectoject options.




RECEIVER SECTION
Receiver system: Single conversion superheterodyne
IF: 455 KHz
Sensitivity:
Selectivity:
Image rejection:
AF output power / speaker:8 W at ?% distortion / No internal speaker
External speaker connector:8 and 500 ohm




MISCELLANEOUS
Manufactured:USA, 1951-1952 (Discontinued)
Additional info: Differs from the earlier HRO50 by an extra IF stage and a total of
twelve tuned circuits on 455 kHz.

New price 1951 in the US: $384.00
Related documents:
Modifications and fixes:
Reviews:
Options / Accessories:
50TS
NFM-50
Matching speaker
FM unit