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abc_lt
04-17-2008, 08:40 AM
Car: VW Golf III (55Hz)

Amp. Helix SPXL 1000 1750@1 ohm

Sub. 1 12" Helix SPXL 1500 @ 1ohm

Maximum box should be about 90X60X40 cm

iDesignBoxes
04-17-2008, 12:40 PM
Ygpm.

abc_lt
04-17-2008, 04:08 PM
ohh ;) thnx man

ReLLaXX
08-19-2008, 06:21 PM
Hello!

You could go for more power with this speaker. We did a 143.8 @ 38 Hz in a Ford Focus (MKI, 2 doors), one Helix SPXL 12" with aprox. 3KW, one 0AWG cable and a Optima Yellow Top (55 Ah). Measured with the new TermLab, by dB Drag rules. We are going to try a bigger number in a few weeks, this time around 44-45Hz..

Good luck! This is a good speaker, capable of loud MUSIC. ;)