Black Diamond DIA-R12D4 12" Car Audio Subwoofer 1200 Watts DVC 4+4 Ohm 1 Speaker

Description

Black Diamond DIA-R12D4 12 Inch Car Audio Subwoofer 1200 Watts Dual Voice Coil 4+4 Ohms (1 Speaker)
SPECIFICATIONS
:
Nominal Diameter 12" / 304mm
Nominal Impedance 4+4 OHMS
RMS Power Handling 600 Watts
MAX Power Handling / M1200 Watts
Sensitivity 84.7dB
Frequency Response 20-300Hz
Recommended Lo Pass Crossover 80Hz
MOTOR
Voice Coil Diameter 2.5" / 63.5mm
Voice Coil Former Material Aluminum
Winding Material CCAW
Cone Material Paper
Dust Cap Paper
Surround Material Foam
Basket Material Steel
Basket Color Black
Magnet Material Ferrite
Magnet Weight 100 oz
Displacement Volume 1.9L / 0.07ft3
THIELE & SMALL PARAMETERS / PARÁMETROS T/S
Equivalent Volume Vas 36.37L / 1.28ft3
Excursion (one way) Xmax 13.5mm
Free Air Resonance Fs 30Hz
Mechanical Factor Qms 4.528
Electrical Factor Qes 0.529
Total Factor Qts0.473
Moving Mass Mms 237.6g
Compliance 0.115 mm/N
Bl Factor BL 24.865
Voice Coil Inductance Le 0.7106mH
Diaphragm Area Sd 471.25 cm2
DC Resistance Re 3.6 + 3.6 ohm
Efficiency Bandwith EBP 56.7
MEASUREMENTS / MEDIDAS:
Overall Diameter 12.6" / 320mm
Overall Depth 7.75" / 197mm
Front Mount Baffle Cutout 10.86" / 276mm
Mounting Depth 6.6" / 168mm
Motor Diameter 6.14" / 156mm
RECOMMENDED ENCLOSURES
Sealed Internal Volume 28.3L / 1ft3
Sealed Box Output Response F3 45Hz
Ported Internal Volume 56.6L / 2ft3
Port Size - Square (WxHxLong) 1.18"x12.6"x14.17" / 30x320x360mm
Port Tunning Frequency Fb 32Hz
Ported Box Output Response F3 27Hz