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SB Acoustics SB23MFCL45-4, 8″ Polypropylene Cone Sub Woofer – 4 ohm

Spec sheet: SB23MFCL45-4

Long stroke design
Linear high stability suspension
Low damping rubber surround
Long copper voice coil
Non-conducting reinforced fibre glass coil former
Very stiff mineral filled Polypropylene cone
Vented cast aluminium chassis
Large vented motor system
Long life silver lead wires
Optimized for smaller enclosures

Box recommendations:

Sealed box of 0.4 to 0.5 cubic feet for an F3 of 65Hz.  You would need to use a bass boost or DSP to push the driver into lower frequencies.  The F6 is 45Hz and F10 is 35Hz.

Vented box of 0.8 to 1.0 cubic feet with a 2″ port by 8″ long for an F3 of 35 to 32Hz.

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