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15″ SL 1K1

15-inch Loudspeaker 550W RMS


Developed to reproduce sub-bass and bass ranges, the SL 1K1 model fits a variety of audio systems, whether them automotive or professional (bands, shows, pubs, churches, three-way, theaters, movies, etc.). We gladly invite you to dive into a unique sound experience, in which low frequencies are precisely harmonic through smooth bass and sharp tones.

Technical information
RMS Power 550W
Potência de Programa Musical 1,100W
Nominal Impedance 4 or 8 ohms
Resistência Elétrica do Fio da Bobina 2.3 / 6.6 ohms/VCC
NO (Efficiency Referential) 1.811%
Sensitivity (@ 1W, 1 m)-Free-air 94.598dB
Diaphragm Mass 0.289 lbs (0.13151 kg)
Total Mass 0.321 lbs (0.14590 kg)
BL Product 17,992 TM
Mechanical Q (Qms) 10.165
Electrical Q (Qes) 0.502
Total Q (Qts) 0.478
Compliance (CMS) 63.857uM/N
Equivalent Volume (VAS) 17.523 gal (66.333 liters)
Frequency Response 35 Hz to 1,600 Hz
Resonance Frequency 52.142 Hz
Cone Effective Area (SD) 0.920 Sq.ft (0.0855 Sq.m)
Cone Excursion without Distortion (X MAX) -+ 0.374 inches (9.5 mm)
Gap Flux Density 9,100 GAUSS
Nominal Diameter 15 Inches
Ferrite Measures 7.874 x 0.984 inches (200 x 25 mm)
Coil Diameter 4 Inches
Coil Height 0.984 inches (25 mm)
Coil Wire Material Copper
Coil Wire Section Round
Coil Shape Fiber
Gap Height 0.472 inches (12 mm)
Housing Structure Material Aluminum
Ferrite Material Barium
Weight 23.589 lbs (10.7 kg)
Cabinet Occupied Volume 1.532 gal (5.8 liters)