IS SUB 215
DOUBLE 15” SUBWOOFER
KEY FEATURES
Compatible with IS 122, IS 123 and
IS 153 series loudspeakers
Low frequency extension down to 38 Hz
Minimum LF distortion through extremely
long excursion
Direct radiating bass reflex design
Extra strong die-cast aluminum basket
Rear vented 4” voice coil
PRODUCT DESCRIPTION
The IS Sub 215 subwoofer provides low frequency extension for the IS series reinforcement loudspeakers down to 38
Hz. When used with an active processor, the IS Sub 215 has the characteristics necessary to smoothly crossover to the
primary reinforcement cabinets. With its high maximum output level and power handling capability, the IS Sub 215 is
able to support demanding low frequency applications.
IS SUB 215
DOUBLE 15” SUBWOOFER
TECHNICAL DATA
Acoustical
Drivers 2 x 15” long excursion die cast chassis, weather resistant coated cone
System Design Direct radiated bass reflex
Useful operating frequency range 38 Hz - 200 Hz ± 3 dB
Driver sensitivity 98 dB
Impedance 4 Ohms (2 x 8 Ohm drivers in parallel)
Maximum SPL measured (fullspace) 135 dB 1W/1m, 180ms sinewave burst
Power handling 2000 watts nominal, 7000 watts peak (10ms)
Input 2 x Speakon NL4, Input and Through
Terminal 2 ± to subwoofer drivers
Terminal 1 ± pass through only
Cabinet material 18 mm birch plywood, painted
Cabinet finish black acrylic enamel
Grille black acrylic
Weight 64 kg (141,1 lbs)
Dimensions (height, width at front,
width at rear, depth)
Rigging points (16) M10 thread points
Accessories LRH SUB L, Dolly SUB L
827 x 430 x 725 mm (32.6 x 16.9 x 28.5”)
ARCHITECT & ENGINEERING SPECS
The sound reinforcement subwoofer shall consist of two 15” long excursion, die cast aluminium basket, 4” voice coil, 8
ohm each, rear vented drivers, wired in parallel, mounted in an 18mm birch plywood cabinet utilizing a direct radiated,
bass reflex acoustic design principle. The subwoofer shall provide a maximum sound pressure level of 135 dB at 1 meter
during a 180ms sinewave burst. The sensitivity shall be 98 dB-SPL at 1 Watt at 1 meter, frequency response shall be
correctable to a range of 38 Hz-200Hz, +/- 3dB. Nominal power handling shall be 1500 Watts with a maximum power level
of 7000 Watts. The physical characteristics shall be 32.5” high x 17” wide x 28.5” deep with a weight of 141.1 pounds. The
subwoofer shall be the Klein + Hummel IS Sub 215.
K+H Vertreibs- und Entwicklungsgesellschaft mbH 100109
Auf dem Kessellande 4a
30900 Wedemark, Germany