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<blockquote data-quote="k12ug" data-source="post: 2779563" data-attributes="member: 571983">im going to make a box for 4 of these...i was wondering if the recommended space for the subs is accurate...and if it was smaller/bigger what effect would it have on the sub.and is there a space between the magnet and end of the box, were it is to close or to far from the wood?if the ^2 with driver displacement shown in the description?its going to be sealed btw.Power Handling: 600 watts RMSSensitivity: 93.4db (2.83 volts)Impedance: 4 or 8 Ohms (SVC)Outside Diameter: 46cm (18 1/8&quot;)Mounting Diameter: 41.9cm (16 1/2&quot;&quot;)Depth: 20.3cm (8&quot;)T/S Parameters - MJ-18 - 8 / 4 OhmsFs = 30.4 / 28 HzRe = 7.2 / 3.2 OhmsQes = 0.39 / 0.34Qms = 3.41 / 4.99Qts = 0.35 / 0.31Mms = 219 / 229 gramsRms = 12.3 / 8.1 kg/sCms = 0.100 / 0.14 mm/NVAS = 243.8 / 208.4 litresSd = 1029.2 cm2Xmax = 12 mmCone Diameter = 36.20 cmRecommended Box Sizes:Sealed: 80 litres (2.8 cu. ft.)</blockquote>

[QUOTE="k12ug, post: 2779563, member: 571983"] im going to make a box for 4 of these... i was wondering if the recommended space for the subs is accurate...and if it was smaller/bigger what effect would it have on the sub. and is there a space between the magnet and end of the box, were it is to close or to far from the wood? if the ^2 with driver displacement shown in the description? its going to be sealed btw. Power Handling: 600 watts RMS Sensitivity: 93.4db (2.83 volts) Impedance: 4 or 8 Ohms (SVC) Outside Diameter: 46cm (18 1/8") Mounting Diameter: 41.9cm (16 1/2"") Depth: 20.3cm (8")T/S Parameters - MJ-18 - 8 / 4 Ohms Fs = 30.4 / 28 Hz Re = 7.2 / 3.2 Ohms Qes = 0.39 / 0.34 Qms = 3.41 / 4.99 Qts = 0.35 / 0.31 Mms = 219 / 229 grams Rms = 12.3 / 8.1 kg/s Cms = 0.100 / 0.14 mm/N VAS = 243.8 / 208.4 litres Sd = 1029.2 cm2 Xmax = 12 mm Cone Diameter = 36.20 cm Recommended Box Sizes: Sealed: 80 litres (2.8 cu. ft.) [/QUOTE]

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