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Last modified 2017-09-29

National/Panasonic DR-49 (RF-4900LBS)

A picture of National/Panasonic DR-49 (RF-4900LBS)

SPECIFICATIONS

GENERAL
Type:HF/VHF receiver
Frequency range:0.145-31 MHz / 88-108 MHz
Tuning steps:Continuous
Mode:AM/SSB/WFM
Channels/memory management:
Power supply:Mains: 110-125 / 220-240 VAC
12 VDC external or 8*R20/D cells
Current drain/power consumption:? mA
Antenna impedance/connector:50 ohms / 1*SO-239
Hi-Z / 2*?
75 ohms / 1*?
Dual ferrite bar antennas and a telescopic whip
Dimensions (W*H*D):482*200*354 mm (18.98*7.87*13.94")
Weight:8 Kg (17.64 lbs), without batteries
Other features:Blue fluorescent display




RECEIVER SECTION
Receiver system:Double conversion superheterodyne (above 3 MHz)
1st IF: 2 MHz
2nd IF: 455 KHz
Single conversion superheterodyne (below 3 MHz)
IF: 455 KHz
Sensitivity: AM (10 dB S/N)
0.55-1.6 MHz: 60 uV
5-30 MHz: 1.1-1.4 uV
SSB (10 dB S/N)
5-30 MHz MHz: 0.6-1 uV
Selectivity:
Image rejection:
AF output power/speaker:? W at ?% distortion / ? ohms
External speaker connector:




MISCELLANEOUS
Manufactured:Japan, 1979-1983 (Discontinued)
Additional info:
Related documents:
Modifications:
Options/Accessories:
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A picture of National/Panasonic DR-49 (RF-4900LBS)