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Is it possible to make a passive (Optimus PRO-sw12) into a powered sub
Here are the specs I found on line:

OVER-ALL:
Frequency Response: ............................... 35 Hz - 250 Hz; -10 dB
System Resonance: ................................................... 8 Hz
Crossover Type: .......................................... L/C Cut Network
Crossover Frequency: .............................................. 250 Hz
Impedance: ........................................................ 8 Ohms
Power Capacity: ............................................... 100 W Max.
Sound Pressure Level: ..................................... 80 dB +/- 2 dB

ENCLOSURE:
Dimensions (HWD): .................................. 320mm x 460mm x 400mm
Material and Thickness (Cabinet): ............................ M.D.F. 15mm

WOOFER:
Type: ............................................................... Cone
Diameter: ............................................................ 12"
Resonance: ......................................................... 18 Hz
Suspension: .......................................... Up Rolled Free Edge
Cone Material: ..................................................... Paper
Voice Coil Diameter: .................................................. 2"
Voice Coil Impedance: .................................... 8 Ohms @ 200 Hz
Magnet Type: ................................................... 110 Xt 17
Magnet Weight: ........................................... 567.5 g (20 oz)
 
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