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Measured T/S Specs on the S4 Fi X 15" w/ BP


SkylarDunn

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Was measured hanging horizontal free air with a WT3, after roughly 4 months daily break-in

Fi Audio X-Series 15" W/ BP Power option

Re: 2.938 ohms

Fs: 30.28hz

Qts: .484

Qes: .527

Qms 5.999

Le: 3.322 Mh

Vas: 4.335 Cu Ft

SD: 125.6 Sq In

Hope this helps someone.

Ideal SQ Enclosure:

Sealed:

2.25 Ft^3 W/ Light dampening (F3: 51hz)

Ported:

6.8 Ft^3 @ 24hz (F3: 25.5hz) 44in^2 of port area minimum.

Ideal SPL

7 Ft^3 @ 45hz (F3: 35hz, peak at 50hz) 82in^2 of port area minimum.

Feel free to compare these TS Specs to the ones on FIs website.

X-Series Subwoofer from FI Car Audio

Edit: Link doesnt work due to HTTPS encryption, sorry :(

Getting bass into the cabin of a W124 mercedes is impossible.

Current setup:

Temp 1999 panasonic HU

rockford 300.2 for fronts

rockford 200.2 for rears

rockford 400.1 for sub

Leaning towards a 8" in an exponential horn

DAMN YOU GERMANS AND YOUR 5" SPEAKERS!

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