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Last modified 2022-01-10

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Hy-Gain Hy-Range III (672)

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


Type:Citizen band transceiver
Frequency range:26.965-27.255 MHz
Channels / tuning steps:23
Frequency control:XTAL-matrix
Frequency stability:?%
Clarifier or Delta tune:? KHz "Fine tune"
Power supply:13.8 VDC (3-pin connector)
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:1.81 Kg (3.99 lb), without mike and mobile bracket
Other features:PA. NB. Fine tune.

Receiver system: Double conversion superheterodyne
1st IF: 11.275 MHz
2nd IF: 455 KHz
Sensitivity:0.7 uV (10 dB S+N/N)
Image rejection:
AF output power / speaker:2 W at ?% distortion / 16 ohm
External speaker connector:3.5 mm

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 / 4-pin (Metal locking ring connector)
Microphone input level:? mV

Manufactured:Japan, 1974-197x (Discontinued)
Main PCB:EPO-584A by Cybernet Electronics Corporation
Sub PCBs:EPO-604 - Channel selector & XTAL matrix board
Additional info: Much to my surprise, this early version had the
silver knobs made out of real aluminium.
Related documents:
Sams Photofact #:CB-65 (April 1975)
Modifications and fixes:
Options / Accessories:
? External VFO
An inside picture of Hy-Gain Hy-Range III (672)
A rear picture of Hy-Gain Hy-Range III (672)
A picture of the Hy-Gain Hy-Range III (672) label