RigPix logo

CB/Freeband logo


Back to main

Back to CB & "Freeband"

Next mobile


Cobra logo


Copyright logo


Last modified 2024-11-02

Valid HTML 4.01 Transitional

Cobra 20 (By Dynascan)

A picture of Cobra 20 (By Dynascan)

SPECIFICATIONS

GENERAL
Type:Citizen band transceiver
Frequency range:26.965-27.255 MHz
Channels / tuning steps:23
Mode:AM
Frequency control:XTAL-matrix (14 XTALs)
Frequency stability:±?%
Clarifier or Delta tune:No
Power supply:13.8 VDC
Current drain / power consumption:RX: ? mA
TX: ? A
Antenna impedance / connector:50 ohm / SO-239
Dimensions (W*H*D):152*60*215 mm (6*2.36*8.46")
Weight:2.04 Kg (4.5 lb)
Other features:ANL. Channel 9 scan alert.




RECEIVER SECTION
Receiver system: Double conversion superheterodyne
1st IF: ? MHz
2nd IF: 455 KHz
Sensitivity:0.5 uV (10 dB S+N/N)
Squelch sensitivity:1 to 100 uV
Selectivity:4 KHz (-6 dB)
20 KHz (-50 dB)
Image rejection:40 dB
AF output power / speaker:2.5 W at ?% distortion / 8 ohm
External speaker connector:




TRANSMITTER SECTION
RF output power:~3.5 W (5 W input)
Modulation system:
Max FM deviation (Factory set):No FM
Spurious emissions:Better than -? dB
Microphone impedance / connector:500 ohm / ?-pin
Microphone input level:? mV




MISCELLANEOUS
Manufactured:197x-197x (Discontinued)
Main PCB:
Sub PCBs:
Additional info:New price 1972 in the US: $139.95
Related documents:Service manual (2.4 MB)
Market / Approval: USA
FCC Data: ?
Sams Photofact #:CB-49 (October 1973)
Modifications and fixes:
Reviews:
Options / Accessories:
- -