Polk Audio db1240DVC db1240 Owner's Manual - Page 16

ENGLISH SUBWOOFER SPECIFICATIONS Thiele/Small Parameters Type Driver Size Nominal Impedance Frequency Response Fs (Hz) Re Le Qms Qes Qts Vas Sd Power Handling (Watts continuous) Power Handling (Watts peak) Sensitivity (SPL at 1 Watt / 1 meter) Xmax (Linear) Voicecoil Diameter Mounting Depth Top Mount Mounting Depth Bottom Mount Mounting Diameter db840 subwoofer 8" (203.2mm) 4 Ohm 30-200Hz 42Hz 3.5 Ohm 2.3mH 13.4 0.58 0.56 0.54ft3 (15.4L) 35.65in2 (230cm2) 180 Watts 360 Watts 85dB 0.24" (6.1mm) 1 1/2" (38.1mm) 4" (100mm) 4 9/16" (115.8mm) 7 1/16" (179.4mm) db1040 subwoofer 10" (254mm) 4 Ohm 28-200Hz 35Hz 3.5 Ohm 3.0mH 9.1 0.59 0.55 0.99ft3 (28.3L) 54.25in2 (350cm2) 270 Watts 540 Watts 86dB 0.3" (7.5mm) 2" (50.8mm) 5 1/2" (138.9mm) 6 1/4" (158.2mm) 9 1/16" (230.2mm) db1240 subwoofer 12" (304.8mm) 4 Ohm 27-200Hz 30Hz 3.5 Ohm 3.0mH 10.4 0.46 0.44 2.54ft3 (71.85L) 80.6in2 (520cm2) 360 Watts 720 Watts 88dB 0.3" (7.5mm) 2" (50.8mm) 6" (152.4mm) 6 3/4" (171.4mm) 11" (279.4mm) WARNING: LISTEN CAREFULLY Polk Audio loudspeakers and subwoofers are capable of playing at extremely high volume levels, which could cause serious or permanent hearing damage. Polk Audio, Inc. accepts no liability for hearing loss, bodily injury or property damage resulting from the misuse of its products. Keep these guidelines in mind and always use your own good judgment when controlling volume: • You should limit prolonged exposure to volumes that exceed 85 decibels(dB). • High volume in an automobile can hinder your ability to safely operate a vehicle. • You are responsible for knowing the local laws governing acceptable mobile volume levels. For more about safe volume levels, go to: www.polkaudio.com/education/article/SPL/ Or refer to the Occupational Health and Safety Administration (OSHA) guidelines at: www.osha.gov/dts/osta/otm/noise/standards_more.html M o r e I n f o @ w w w . p o l k a u d i o . c o m / c a r 17