B&C 6NDL44 6-1/2" Professional 400 Watts Neodymium Woofer 8-Ohm
B&C's 6NDL44 6-1/2" cast frame neodymium woofer is a lightweight, powerful choice for ultra-compact multi-way speaker systems. Its rubber half-roll edge and treated cone are engineered to handle high bass excursions without drama, while still allowing a clean, articulate sonic signature. The 6NDL44 is also suitable as the midrange element in medium efficiency 3-way applications.
Product Specifications
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Nominal Diameter 6-1/2"
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Power Handling (RMS) 200 Watts
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Power Handling (max) 400 Watts
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Impedance 8 ohms
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Frequency Response 70 to 6,000 Hz
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Sensitivity 91.5 dB 1W/1m
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Voice Coil Diameter 1.7"
Thiele-Small Parameters
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Resonant Frequency (Fs) 68 Hz
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DC Resistance (Re)5 ohms
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Voice Coil Inductance (Le) 0.57 mH
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Mechanical Q (Qms) 9
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Electromagnetic Q (Qes) 0.35
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Total Q (Qts) 0.34
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Compliance Equivalent Volume (Vas) 0.26 ft.³
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BL Product (BL) 10.3 Tm
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Diaphragm Mass Inc. Airload (Mms) 17.8g
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Maximum Linear Excursion (Xmax) 6 mm
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Surface Area of Cone (Sd) 132 cm²
Materials of Construction
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Cone Material Paper
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Surround Material Rubber
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Voice Coil Wire Material Copper
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Basket / Frame Material Cast Aluminum
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Magnet Material Neodymium
Mounting Information
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Overall Outside Diameter 7.4"
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Baffle Cutout Diameter 5.7"
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Depth 3.2"
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Bolt Circle Diameter 6.7"
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# Mounting Holes 8
Optimum Cabinet Size (determined using BassBox 6 Pro High Fidelity suggestion)
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Sealed Volume 0.05 ft.³
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Sealed F 3171 Hz
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Vented Volume 0.12 ft.³
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Vented F 3103 Hz
