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12″ THUNDER 3K7

12-inch Loudspeaker 1850W RMS

Description

Intensely enjoy bass and mid-bass ranges! With an exclusive finish and the sound pressure you are looking for, the THUNDER 3K7 will amaze you in every single way. It can be set, preferably, to three-way automotive audio systems.

Technical information
RMS Power 1,850W
Potência de Programa Musical 3,700W
Nominal Impedance 4 or 8 ohms
Resistência Elétrica do Fio da Bobina 2.9 / 5.3 ohms/VCC
NO (Efficiency Referential) 1.011%
Sensitivity (@ 1W, 1 m)-Free-air 92.067dB
Diaphragm Mass 0.2235 lbs (0.101375 kg)
Total Mass 0.2381 lbs (0.108012 kg)
BL Product 14,853 TM
Mechanical Q (Qms) 8.227
Electrical Q (Qes) 0.686
Total Q (Qts) 0.633
Compliance (CMS) 34.348u M/N
Equivalent Volume (VAS) 3.3608 gal (12.722 liters)
Frequency Response 50 Hz to 3,000 Hz
Resonance Frequency 82.629 Hz
Cone Effective Area (SD) 0.5489 Sq.ft (0.0510 Sq.m)
Cone Excursion without Distortion (X MAX) -+ 0.393 inches (10 mm)
Gap Flux Density 11,200 Gauss
Nominal Diameter 12 Inches
Ferrite Measures 8.661 x 0.984 inches (220 x 25 mm)
Coil Diameter 4 Inches
Coil Height 1.063 inches (27 mm)
Coil Wire Material Copper
Coil Wire Section CCAW
Coil Shape *Kapton
Gap Height 0.472 inches (12 mm)
Housing Structure Material Aluminum
Ferrite Material Barium
Weight 25.13 lbs (11.4 kg)
Cabinet Occupied Volume 1.188 gal (4.5 liters)