DLS SP18S User manual

DLS SP18S
PRODUCT SPECIFICATIONS
18” CAR SUBWOOFER MODEL SP18S
3 x 2 OHM VOICE COIL
DOUBLE FERRITE MAGNET SYSTEM
PAPER CONE, RUBBER SURROUND
DESIGNED FOR SPL USE
DLS Svenska AB - Sweden
DLS SP15S
PRODUCT SPECIFICATIONS
15” CAR SUBWOOFER MODEL SP15S
4 x 2 OHM VOICE COILS
DOUBLE FERRITE MAGNET SYSTEM
PAPER CONE, RUBBER SURROUND
DESIGNED FOR SPL USE
ULTIMATE SP-SERIES
Dimensions:
Diameter 465 mm / 18,3”
Mounting depth 220 mm / 8,66”
Mounting hole diameter 430 mm / 16,9”
Nominal power handling 500 W
Peak power for SPL use 2 kW
Nominal impedance, Z 3 x 2 ohms
Sensitivity, 1 W / 1 m 90,6 dB
Frequency response 20-1000 Hz
Fs, resonant frequency 31,9 Hz
Voice coil diameter 100 mm / 4”
Voice coil height 28 mm / 1,1”
Voice coil wire Copper
DC resistance 2,2 ohm*
Voice coil inductance, 1 kHz 1,16 mH
Magnet system Ferrite
Magnet size 200 oz / 5,67 kg
BL product 12,07
Max. linear excursion, X max +- 12 mm / 0,47”
Suspension compliance, CMS 0,0936 mm/N
Mechanical Q factor, QMS 5,34
Electrical Q factor, QES 0,8
Total Q factor, QTS 0,7
Moving mass, MMS 266 gr
Equivalent Cas Air load, VAS 177 liters / 6,25 ft3
Cone / Dome material Non-press paper
Spider Double
Net weight 19,8 kg / 43,65 lb
Basket Diecast aluminium
* Single terminal testing
Dimensions:
Diameter 390 mm / 15,35”
Mounting depth 175 mm / 6,89”
Mounting hole diameter 360 mm / 14,17”
Nominal power handling 500 W
Peak power for SPL 2 kW
Nominal impedance, Z 4 x 2 ohms
Sensitivity, 1 W / 1 m 88 dB
Frequency response 15-1000 Hz
Fs, resonant frequency 39 Hz
Voice coil diameter 75 mm / 3”
Voice coil height 28 mm / 1,1”
Voice coil wire Copper
DC resistance 1,8 ohm*
Voice coil inductance, 1 kHz 0,96 mH
Magnet system Ferrite
Magnet size 200 oz / 5,67 kg
BL product 9,53
Max. linear excursion, X max +- 12 mm / 0,47”
Suspension compliance, CMS 0,0753 mm/N
Mechanical Q factor, QMS 6,94
Electrical Q factor, QES 1,07
Total Q factor, QTS 0,92
Moving mass, MMS 220 gr
Equivalent Cas Air load, VAS 72,4 liters / 2,56 ft3
Cone / Dome material Non-press paper
SD - Effective piston area 830 cm2
Spider Double
Net weight 13,4 kg / 29,54 lb
Basket Diecast aluminium
* Single terminal testing