Home Theater Questions? Ask a Technician for Answers ASAP
Hi Robert, I’m Louie. Sorry you had to wait awhile but I’ll do my best to help.Initially, bear with us; re-confirm and post back with the complete model number of the Altec.
Appreciate the additional information.
In most instances, the fault would be the woofer/speaker that has burned shorted or open.
If considering a DIY (do-it-yourself) repair approach, de-solder the speaker connection and test its resistance.