Novatech tower system stereo

[bradborger1976]

Old school novatech tower system going good then no bass and speakers are crackling.

 

[rgd1101]

MERGED QUESTION
Question from bradborger1976 : "Speakers and crackling"

Crackling and have no bass the stereo is a novatech tower system

 

[americanaudiophile]

Can't find any info on the speakers without model number.
The woofers could be blown. Tweeters could be too.