crf-rider-450 Posted December 30, 2005 Posted December 30, 2005 hey guys, ive got 2x alpine type S 12" subs, SWS-1222D. the dual 2ohm voice coil series. not the 4ohm. and im building my own box, how big will the box need to be in litres ??. these are the TS for my subs Speci?cations • Power Handling (RMS/Peak): 300W / 900W • Frequency Response: 26Hz - 1kHz • Sealed Box Volume Range: 0.85ft3 - 1.5ft3 • Vented Box Volume Range: 1.25ft3 - 2.0ft3 • Nominal Impedance: 2?+2? (4?+4?) • Sensitivity (SPL@1W/1m): 86.2dB (86.1dB) • D.C Coil Resistance (Re): 1.8?+1.8? (3.2?+3.2?) • Free Air Resonance (Fs): 31Hz (32Hz) • Equivalent Stiffness (Vas): 56L • Mechanical Q (Qms): 13.6 (13.1) • Electrical Q (Qes): 0.65 (0.60) • Total Q (Qts): 0.61 (0.57) • Linear Excursion, One-Way (Xmax - mm): 12.9 (12.8) • Magnetic Linear Excursion, 1-Way(Xmag-mm): 14 (14.3) • Mechanical Excursion, Peak-to-Peak: 52mm • Gap Height (Hag): 8mm • Coil Height (Hvc): 33.8mm (33.5mm) • Cone Area (Sd): 485cm2 • Voice Coil Diameter: 38mm • Magnet Weight: 72oz Thanks guys.
GimmeHiFi Posted December 31, 2005 Posted December 31, 2005 check alpines website they have the recomeneded enclosure size for the subs, Double it for 2. www.alpine.com.au
fuddbutter Posted January 4, 2006 Posted January 4, 2006 you want to use it your house or car? if car then jump on www.caraudioaustralia.com
Recommended Posts