Optimus SW 12 Subwoofers

I have a HK AVR30, a Dinosaur for sure. I just got my SW-12 handed down from a relative that passed away. Haven't actually fired it up cause I wanted to know since my HK has a Subwoofer channel and volume control can I just run the Sub connectors (2...

The cabinet is very good, the driver is not. I replaced the driver with a Dual Boss CX120DVC and put 3 inch thick foam or fiber glass would be fine, same L x W of box, 1 piece. The insulation is a must as the box is slightly too large. When I ran the...

Good review! I am replacing mine with a Boss dual voice coil and I like the crossover mod, it's what it needs. 2 questions though, can I leave the dual voice coils alone and not parallel, I don't see the benefit?? But can you explain the crossover mod...

Yes, this sub had quite a few downfalls but it was very cheap and I managed to get a great sound out of it in the end. I would up using an old Scott receiver that I had laying around to amplify the sub. I turned down all the bands on the built in 7...

Not a bad sub. Actually a nice cabinet, if you're okay with a passive sub. Like others have said the internal 200 hz passive crossover (that is what it is supposed to be, it's probably higher if you do the math) is way too high if you simply run your...