Need Help Setting Up SQ System.... Glass??


Bronze Member
Username: Maz66

Post Number: 34
Registered: Feb-05
So finally after a year of reading and talking to countless car audio buffs, some of whom post here (thanks for your input) I have finally bought and received all my equipment.

The system is as follows:

HU: Pioneer DEH-P4690MP (soon to be replaced with Eclipse CD8445)

Frontstage: Infinity Kappa Perfect 6.1
Frontstage Amp: Zapco Reference 350.2

Subwoofer: 10" Resonant Engineering SE in Sealed Enclosure to specification
Subwoofer Amp: Xtant 6.1

This system is specifically for SQ purposes so I was thinking of letting the Kappa Perfects play as low as they can, 75Hz from memory. So setting the crossover point between sub and speakers at about 80Hz as a start. Is this ok or should I set it at around 100Hz?

Also, the Xtant 6.1 has a subsonic filter. Should I use this feature? My car is a Nissan 180sx (known as 240sx in USA).

Any input would be appreciated.

Gold Member
Username: Carguy

Post Number: 5156
Registered: Nov-04
You don't really need subsonic filter in a sealed box. However, you can set it around 20Hz.
Everything else is fine.

Unregistered guest
You should timber match the amps
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