Precision Devices PD.123C001 12 inch 400 Watt Bass Mid Range Speaker Komponen Pasif Sound System

Vented cast aluminium chassis for improved thermal control of voice coil.
Optimised vented voice coil cools and reduces coil gap turbulence.
Multi roll cone surround profile.
High BL of 24.5 T/m.

SPECIFICATIONS
Nominal Diameter 12" / 304.8 mm
Nominal Impedance 8
Voice Coil Diameter 3.0" / 76.2 mm
Power Rating 400 W (A.E.S.)
Peak Power (6dB Crest Factor) 1600 W (A.E.S.)
Sensitivity (1w / 1m) 99 dB
Frequency Range 45 Hz - 4 kHz
Recommended Enclosure Volume 35 - 55 Litres
Voice Coil Winding Depth 0.83" / 21.00 mm
Magnet Gap Depth 11.00 mm / 0.43"
Flux Density 1.20 Tesla
Magnet Material Y30 Ferrite
Magnet Weight 3.30 Kg / 116.40 oz
Voice Coil Material Copper
Former Material Glass Fibre
Dust Dome Material Paper
Suspension Material Fabric
Cone Surround Material Fabric
THIELE SMALL PARAMETERS
Fs 35 Hz
Re 5.5
Qms 7.500
Qes 0.147
Qts 0.144
Le @1k 2.170 mH
Le @10k 0.910 mH
Vas 122 Litres
Mms 70.00 g
Sd 547 cm2
Cms 288.00 m/N
BL 24.50 T/m
Xmax 7.5 mm
Vd 0.410 Litres
Reference Efficiency 3.44 %
EBP 238.10 Hz
MOUNTING AND SHIPPING INFORMATION
Overall Diameter 331.00 mm
Width Across Flats 320 mm
Flange Height 10.00 mm
Depth 121.00 mm
Magnet Diameter 200 mm
Chassis Shoulder Diameter 279.00 mm
Outer Bolt Circle x4 M6 318 mm PCD
Inner Bolt Circle (Hidden) x8 M6 on 293 mm PCD

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