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Last modified 2025-09-04

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Sonar 75A

A picture of Sonar 75A

SPECIFICATIONS

GENERAL
Type:Marine HF transceiver
Frequency range: TX: 2.0-6.0 MHz
RX: 0.55-1.63 / 2.0-6.0 MHz
Tuning steps:Channelized (Marine band)
VFO (Medium wave)
Frequency stability:Better than 0.005% (No temperature reference)
Mode:AM
Channels / memory management: 6 regular (XTAL controlled)
Duplex shift / offset:
Power supply:12 VDC
Current drain / power consumption:RX: 1.3 A
TX: Max 14 A
Antenna impedance / connector:50 ohm / SO-239
Dimensions (W*H*D):270*159*343 mm (10.62*6.25*13.5")
Weight:6.8 Kg (15 lb)
Other features:ANL.




RECEIVER SECTION
Receiver system: Single conversion superheterodyne
IF: ?
Sensitivity:10 uV for 100 mW audio output (Marine band)
Squelch sensitivity:
Selectivity:6 KHz (-6 dB)
Image rejection:
AF output power / speaker:2 W at ?% distortion / ? ohm
External speaker connector:




TRANSMITTER SECTION
RF output power: 75 W
Modulation system:Class B high level
Max FM deviation (Factory set):No FM
Spurious emissions:Better than -? dB
Microphone impedance / connector:? ohm / 4-pin
Microphone input level:? mV




MISCELLANEOUS
Manufactured:USA, 197x-197x (Discontinued)
Additional info:
Related documents:
Modifications and fixes:
Reviews:
Options / Accessories:
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A rear picture of Sonar 75A