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Old 02-13-2018, 7:54 PM
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Default Safe input volage for a Stryker 955

What is a safe input voltage for a Stryker 955? I see on my power supply I have 14.2V going in and it drops to about 13.8 on AM and 13.6-7 on SSB.
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Old 02-13-2018, 8:11 PM
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Anywhere between 11 and 14.5 should be fine.
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Old 02-13-2018, 8:11 PM
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Quote:
Originally Posted by asuddendeath View Post
What is a safe input voltage for a Stryker 955? I see on my power supply I have 14.2V going in and it drops to about 13.8 on AM and 13.6-7 on SSB.
A mobile CB should do just fine with anything from a bit below 12 volts to up around 15 or so. Those are "normal" levels you'd see in a car.

14.2 volts is OK, so it's 13.8, 13.7 13.6.
What you need to be more concerned about is how much the voltage drops when you are transmitting. If those voltages you provided are for when you are on the air, then you are OK.

Often some will use undersized power supplies and the voltages will drop well below 12 volts when transmitting, often resulting in the radio shutting down. If yours is not doing that, then you are OK.
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Old 02-13-2018, 8:11 PM
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You should be in a safe range. 13.8 on transmit is not too high, but don't let the idle voltage get much higher on a CB since there is not much load in standby mode. The power supply to my FT 897 runs at about 13.8 volts at idle and drops to about 13.6 on transmit at 50 watts on VHF FM, but it can put out 50 amps dc so there is very little fluctuation.
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Old 02-13-2018, 9:15 PM
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Wonderful! Thanks for the fast help.
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Old 02-14-2018, 5:42 AM
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Is the radio damaged if the voltage gets too low, i.e., heats up, etc?

Does the transmit wattage go down?
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Old 02-14-2018, 8:01 AM
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Quote:
Originally Posted by FiveFilter View Post
Is the radio damaged if the voltage gets too low, i.e., heats up, etc?
Unlikely, although some radios can get a little weird when they get low in the voltage department. Likely not anything permanent.

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Originally Posted by FiveFilter View Post
Does the transmit wattage go down?
Often if they are voltage starved, transmitting will cause the power supply to strain, which will further drop the voltage, and then the radio just powers down.
Often you'll hear people complaining about radios "restarting" when they transmit. That's usually a good indication.
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