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Last modified 2015-06-14

Collins 51S-1

A picture of Collins 51S-1

SPECIFICATIONS

GENERAL
Type:HF receiver
Frequency range:0.2-30 MHz in thirty 1 MHz band segments
Tuning steps:Continuous
Mode:AM/SSB/CW
Channels/memory management:No
Power supply:Mains 230/115 VAC
Current drain/power consumption:Max 125 W
Antenna impedance/connector:50 ohms / RCA (Phono)
Dimensions (W*H*D):375*167*332 mm (14.8*6.6*13.1")
Weight:11.8 Kg (26 lbs)
Other features:




RECEIVER SECTION
Receiver system: Double conversion superheterodyne (7-30 MHz)
1st IF: ? MHz
2nd IF: ? KHz
Triple conversion superheterodyne (0.2-7 MHz)
1st IF: ? MHz
2nd IF: ? KHz
3rd IF: ? KHz
Sensitivity: AM (10 dB S/N)
0.2-0.5 MHz: 20 uV
0.5-2 MHz: 15 uV
2-30 MHz: 3 uV
SSB/CW (10 dB S/N)
0.2-0.5 MHz: 4 uV
0.5-2 MHz: 3 uV
2-30 MHz: 0.6 uV
Selectivity: AM
5 KHz (-6 dB), 22 KHz (-60 dB)
SSB
2.75 KHz (-6 dB)
CW
800 Hz (-6 dB)
Image rejection:2-25 MHz: Better that 50 dB
25-30 MHz: Better than 40 dB
AF output power/speaker:1 W at 10% distortion / 4 or 600 ohms
External speaker connector:




MISCELLANEOUS
Manufactured:USA, 1959-1975 (Discontinued)
Additional info:
Related documents:User manual 11th edition (3.6 MB)
Modifications:
Options/Accessories:
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