subs aren't hitting as hard as they should

snev

Junior Member
just installed the following into a 1996 ford econoline e350:

sony xplod cdx-gt55uiw head unit

Kenwood KAC-9105D 1800-Watt Class D Mono Amplifier

2- 12" rockford fosgate punch he2 (500 watt max) in a non ported truck box (space in the van is limited)

...wired the amp with a fierce audio 4 gauge wiring kit also.

Phase - 0 degrees

ISF - 25hz

bass boost - 0

LPF - 80hz

input sensitivity(v) - about 0.8

subs just aren't hitting for sh*t! they can barely be heard, but they are pushing. surely i'm making some mistakes. any help would be greatly appreciated!

 
stop buying ish at best buy!!! .... j/k .. your inpust sensitivity is suprisingly low... so do you have your gains set correctly? and you gotta watch your sub wiring... i've seen guys with SVC subs, that mistakingly wired them to 8 ohms, and didnt know why they werent hitting

 
Dude the phase should be in middle position, not 0 or 180. 0 is for the master amp and the 180 is for the slave amp when you stack them.

 
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snev

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