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Last modified 2022-01-10

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Hy-Gain Hy-Range III (672B)

A picture of Hy-Gain Hy-Range III (672B)


Type:Citizen band transceiver
Frequency range:26.965-27.255 MHz
Channels / tuning steps:23
Frequency control:XTAL matrix
Frequency stability:? ppm
Clarifier or Delta tune:? KHz "Fine tune"
Power supply:11.5-14.5 VDC (Fixed power cord)
Current drain / power consumption:RX: 300 mA (No signal)
TX: Max 1.2 A
Antenna impedance / connector:50 ohm / SO-239
Dimensions (W*H*D):180*60*220 mm (7.09*2.36*8.66")
Weight:1.78 Kg (3.92 lb), without mounting bracket
Other features:ANL. NB. Delta tune. PA.

Receiver system: Double conversion superheterodyne
1st IF: 11.275 MHz
2nd IF: 455 KHz - Ceramic filter: Murata CFU455H3
Sensitivity:0.7 uV (10 dB S+N/N)
Image rejection:
AF output power / speaker:3 W at ?% distortion / 8 ohm
External speaker connector:3.5 mm, 8 ohm

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:? ohm / 5-pin DIN (180)
Microphone input level:? mV

Manufactured:Japan, 1975-197x (Discontinued)
Main PCB:PTBM026AOX (EPO-0646C) by Cybernet Electronics Corporatio
Sub PCBs:EPO-0649 - Transistor board
Additional info:
Related documents:User manual (1.6 MB)
Sams Photofact #:CB-114 (March 1977)
Modifications and fixes:
Options / Accessories:
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An inside picture of Hy-Gain Hy-Range III (672B)
A rear picture of Hy-Gain Hy-Range III (672B)