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Options:
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| DEFINIMAX™ 4012HO |
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| SPECIFICATION |
| Nominal Basket Diameter |
12", 304.8mm |
| Nominal Impedance* |
8 ohms |
| Power Rating |
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 Watts |
600W |
| Music Program |
1200W |
| Resonance |
46Hz |
| Usable Frequency Range |
49Hz-2.5kHz |
| Sensitivity*** |
94 |
| Magnet Weight |
109 oz. |
| Gap Height |
0.375", 9.53mm |
| Voice Coil Diameter |
4", 101.6mm |
| THIELE & SMALL PARAMETERS |
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| Resonant Frequency (fs) |
46Hz |
| DC Resistance (Re) |
5.85 |
| Coil Inductance (Le) |
1.17mH |
| Mechanical Q (Qms) |
5.74 |
| Electromagnetic Q (Qes) |
0.38 |
| Total Q (Qts) |
0.35 |
| Compliance Equivalent Volume (Vas) |
59.4 liters / 2.1 cu.ft. |
| Peak Diaphragm Displacement Volume (Vd) |
342cc |
| Mechanical Compliance of Suspension (Cms) |
0.14mm/N |
| BL Product (BL) |
19.6 T-M |
| Diaphram Mass inc. Airload (Mms) |
86 grams |
| Efficiency Bandwidth Product (EBP) |
121 |
| Maximum Linear Excursion (Xmax) |
6.2mm |
| Surface Area of Cone (Sd) |
552.0 cm2 |
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| Maximum Mechanical Limit (Xlim) |
11.2mm |
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| MOUNTING INFORMATION |
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| Recommended Enclosure |
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| Sealed |
26-31 liters/ 0.9-1.1 cu.ft. |
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| Vented |
36-79 liters/ 1.3-2.8 cu.ft. |
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| Overall Diameter |
12.38", 314.3mm |
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| Baffle Hole Diameter |
11.06", 281mm |
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| Front Sealing Gasket |
fitted as standard |
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| Rear Sealing Gasket |
fitted as standard |
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| Mounting Holes Diameter |
0.28", 7mm |
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| Mounting Holes B.C. D. |
11.59", 294.3mm |
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| Depth |
5.32", 135mm |
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| Net Weight |
22.5 lbs., 10.2 kg |
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| Shipping Weight |
29 lbs., 13.1 kg |
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| MATERIALS OF CONSTRUCTION |
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| Coil Construction |
Copper voice coil |
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| Coil Former |
Polyimide former |
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| Magnet Composition |
Ferrite magnet |
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| Core Details |
Undercut with copper shorting ring and Core Periphery Ventilation |
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| Basket Materials |
Die-cast aluminum basket |
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| Cone Composition |
Paper Cone |
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| Cone Edge Composition |
Cloth cone edge |
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| Dustcap Composition |
Pop-on dust cap |
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