be careful when using chargers... Re: bench testing a radio

Some chargers are not filtered and therefore, the output is pulsing 
12V.  This will make the radio sound HORRIBLE and can do damage.


>Testing an AM radio is easy. I have a used speaker and
>antennae tacked up in my shop. With a 1 amp trickle
>charger hooked to the radio I use jumper wires to fire
>it up. Works good. I also have a second speaker ready
>to check FM radios. Your 4-channels will be similiar.....Russ