Mmmm. Don't know about this. The equipment he is running is AC, not
DC. Its the odd harmonics off the square wave of a lower end inverter
that are probably goofing things up. Unless I have it all confused; its
the AC equipment off the inverter that has the hum, right? If the hum
is in other DC equipment then, as Rosanna Rosannadanna would say, "never
mind!".
Marty
Ray Sulich wrote:
>
> Most likely the noise is AC. Get a AC line filter and install it in the
> output line of the inverter. Radio Shack has them. My guess is that your
> sound system has great filtering for DC but nothing for AC because nothing
> in your truck or any other vehicle has an AC source.
> Bye,
> Ray
>
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