Mach amp, Fosgate P1S4-8 sub, unsatisfied

[UrbanRedneckKid]

I just finished installing a Rockford Fosgate 8" sub in my OEM enclosure. It seems to me like I had more bass with my blown stock sub, the sound quality is much better at lower volumes.

I left the OEM stuffing in the box, and I stuffed the whole front side of the box, attempting to get it closer to the recommended box volume.

I am assuming it's this way because the sub is under-powered. Is there an amp that fits the original spot, that is 400w max/ 200w rms @4ohms mono?

 

[Anime]

Rockford Fosgate P1S48
Punch Stage 1 8" 4-ohm subwoofer

•8" 4-ohm subwoofer
•molded polypropylene woofer cone with poly-foam surround
•16-gauge steel bend frame
•power range: 50-150 watts RMS (300 watts peak power)
•frequency response: 40-250 Hz
•sensitivity: 84 dB
•top-mount depth: 4-1/8"
•sealed box volume: 0.2-0.3 cubic feet
•ported box volume: 0.65 cubic feet
•warranty: 1 year

Going by those specs, a 200W amp would be too much.

The Rockford Fosgate Prime R125-2 is a 2-channel amp that's spec'd for 125W RMS when bridged to one channel at 4 ohms, should be perfect, costs $65 on Amazon, free shipping.

http://www.amazon.com/Rockford-Fosgate-R125-2-2-Channel-Amplifier/dp/B007BG5NLW

It's also fairly compact at only 8 in x 8 in.

There are lots of other lower-power 2 channel amps that will put out the 100-150W the sub needs when bridged, but they will all be about the same price, or more.


The fill actually makes the sub act like it's in a larger enclosure. The factory enclosure is already way bigger than the 0.2-0.3 cubic feet the sub needs for a sealed enclosure. You could always port it, though, or just see how the sub performs with the new amp, then try it without the fill and see if it sounds better.

 

[toypaseo]

I left the OEM stuffing in the box, and I stuffed the whole front side of the box, attempting to get it closer to the recommended box volume.

What did you stuff in the "whole front side of the box"?

If the enclosure is too big, maybe consider screwing/gluing block(s) of wood inside to get it closer to desired specs.

I would take the OEM stuffing completely out. I left mine in my "Budget Bass" enclosure. I think my Kicker Solobaric would perform better with some actual loose polyfill.