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Amp blowing fuse when keyed up mic - Radio Communications

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Posted on Mar 03, 2017

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What size fuse are you using? take the wattage / voltage = amp size you need.
ie... 12watts divide by 12 volts equals 1 amp.
or 60watts/12volts=5amps
but this is a estimate range. theres always surge amps that can be added etc..
rule of thumb.
40ch only types need 2amp-5amp.
the export styles and SSB40ch will need 5amp -8amp

Posted on Feb 04, 2014

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Posted on Jan 02, 2017

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Fuse blows when I key the microphone. Why does this happen?


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Help my fuse is blow!


If the amp blows fuses only AFTER you send remote turn-on voltage to the amp, the amp probably has blown output transistors. To eliminate other possible causes, read through the following page.

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Let me know if you have any other questions.

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