We highly recommend using a regulated power supply when selecting a power source for our radios. Switching power supplies may work; however, they can produce high noise levels, interfering with the receiver's operation. Depending on the model, the following power supplies are necessary for optimal performance:
- SR-955HPC, SR-655HPC, and SR-447HPC2 all require a 14-amp power supply.
- SR-497HPC needs a 25-amp power supply.
- SR-94HPC should be powered by a 12-amp supply.
- SR-25MC requires a minimum of 5 amps.
Using a regulated power supply will ensure interference-free operation of your radio.
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