159 Custom Bass Project – Stage 1 Planning

Before I even started this project, I spent quite a lot of time figuring out potential box sizes and planning the acoustics of the project. The overall goal was maximum SQ & Power balance with the least boot space loss possible! No mean feet to achieve.

I opted to retain the stock OEM head unit rather than go for an after-market double-din one as I wanted the overall look and feel of the car to remain normal, while improving the audio characteristics and overall frequency response. In order to achieve this I made use of an Audio control LC2i active, line level converter. A unit from the USA that is very special and literally takes speaker level outputs up to 400W RMS and then runs them through a series of electronic clean-up routines to get a perfect line level out for the sub-woofer, than can also be controlled by a remote gain control, and a perfect 2 channel full range output for a mid amp (to be utilised in a further project).

This unit combined with an Infinity KAPPA Perfect 12 VQ (M3D) sub-woofer and an Alpine MRV-420 amplifier I already had was all I needed to put a little boom back into the boot!

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