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Last modified 2020-07-05

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Century 21D

A picture of Century 21D

SPECIFICATIONS

GENERAL
Type:HF receiver
Frequency range:0.5-30 MHz
Tuning steps:Continuous
Frequency stability:? ppm
Mode:AM/SSB
Channels/memory management:No
Power supply:Mains
Current drain/power consumption:? W
Antenna impedance/connector:Hi-Z or 50 ohm / SO-239
Dimensions (W*H*D):335*160*270 mm (13.19*6.3*10.63")
Weight:5.5 Kg (12.13 lbs)
Other features:Wadley loop system




RECEIVER SECTION
Receiver system:? conversion superheterodyne
1st IF: ? MHz
2nd IF: ? KHz
Sensitivity: AM: 1 uV (10 dB S+N/N)
SSB: 0.3 uV (10 dB S+N/N)
Selectivity: AM: 8 KHz (-6 dB)
SSB: 4 KHz (-6 dB)
Image rejection:>50 dB
AF output power/speaker:2 W at ?% distortion / 8 ohm
External speaker connector:




MISCELLANEOUS
Manufactured:Japan (By Seiki Electronics Inc), 1980-1982 (Discontinued)
Additional info:
Related documents:
Modifications:
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A rear picture of Century 21D