subwoofers

I have always despised unnecessarily elaborate band PA setups, so I have always just just used my bass amp whenever I've played & run sound. (PA = vocals only, no muss, no fuss...) I recently got a drummer buddy to take over that duty with a Salsa band, and his approach has been very different...

I'm really not sure if this is the right place to post this so sorry in advance if it's not. Anyway I am quiet new to the whole sub scene being only 18 years of age so I dont exactly know what's going on with my speaker. Every time I flipped the amp on the speaker plays but it farts until the...