| plug a speaker cable into the cab. take a 9 volt battery and on the other end of the speaker cable touch the tip of the cable to one the 9 volt terminals and the sleeve of the cable
on the other battery terminal. put your each up to the horn and the woofer. while watching and listening momentarily tap
the battery on the cable. you will hear a click and see the woofer move,
If you hear no click on the horn or woofer, its not working.
If both not working it could be a fuse also.
some cabs have internal fuse or light bulb that could be burned out.
JUST don't hold the battery on the cable, just momentarily touch the cable with the battery.
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MegaBass head, SWR 210, Trace 115, Ibanez RB999, 27" Imac I7, Onyx 1640I, Motu Ultralite
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