IS 153 LOUDSPEAKER
15” THREE-WAY INSTALLED LOUDSPEAKER
KEY FEATURES
3-way system with coaxial mid and high drivers
Selection of 80x50 or 50x40 rotatable horns
Exceptional pattern control using Mathematically
Modeled Dispersion™
Single loudspeaker design with interchangeable
backplate options
Full range passive crossover backplate
Direct wire backplate for biamplification
K8 compatible, actively tuned, biamplified backplate
Single cable digital audio distribution, monitoring
and remote control when used with K8
Simple and light weight array rigging accessories
PRODUCT DESCRIPTION
The IS fifteen three (153) series of loudspeakers are specifically designed for providing reinforcement in fixed installations
where high sonic performance and flexibility in precise pattern control are critical. Precision designed with Mathematically
Modeled Dispersion™ the fifteen three series provide exceptionally linear pattern control through crossover making the
series perfect for critical applications. Active versions used in conjunction with Klein+Hummel K8 products provide a
factory tuned and easily-managed reinforcement system for night clubs, auditoriums, houses of worship, performance
halls, arenas and stadiums.
IS 153 LOUDSPEAKER
15” THREE-WAY INSTALLED LOUDSPEAKER
TECHNICAL SPECIFICATIONS
Drivers LF: 15“ with 4“ voice coil
MF/HF: 2“/1“ dual concentric driver, horn loaded
Useful operating frequency range 58 Hz to 22 kHz
Smooth frequency range
(fullrange and active versions only)
System sensitivity
(with passive crossover)
Driver sensitivity LF: 98dB 1W/1m
Coverage pattern 80° horizontal x 50° vertical, nominal, field rotatable (85 Option)
Directivity Factor (Q) tba
Directivity Index (DI) tba
Passive crossover LF/MF: 600 Hz, 2nd order
Impedance LF: 4 ohms, MF/HF: 16 ohms
Crossover impedance
(fullrange version only)
Maximum SPL measured (fullspace) 135 dB, peak
Maximum SPL calculated (fullspace) 132 dB, peak
Power handling 800 watts rms, 1600 watts program, 3200 watts peak (10ms)
Input Speaker level, 2 Speakon NL4 (fullrange)
Output K8 link, passively coupled, (on active loudspeaker version)
Indicator lights K8 Sync, K8 Wink, Input Overload (active version)
Termination 4 position DIP, remote monitored (active version)
Cabinet material 18mm birch plywood
Cabinet finish black acrylic enamel
Grille Painted steel Grille, 64% open, foam backing
Weight 46kg (105 lbs), with passive crossover
Dimensions
(height, width at front, width at rear, depth)
Rigging points (12) M10 threaded points
Side angle 20° each
90 Hz to 19 kHz, +/- 3 dB
98dB/1W/1m
HF/MF: 115dB 1W/1m
50° horizontal x 40° vertical, nominal, field rotatable (54 Option)
MF/HF: 6500 Hz, 2nd order
4 ohms nominal, 3.2 ohms minimum
128 dB, average, 10% THD
121 dB, average, 3% THD
129 dB, average
Speaker level, 2 Speakon NL4 (direct wired for biamp)
+4 dBu, XLR female and terminal block (active version)
K8 input, K8 link (active version), K8 channel select, rotary switch (active version)
774mm H x 437mm W(front), 182mm W(rear) x 502mm D
30.47“ H x 17.2“ W (front), 7.16“ W (rear) x 19.764“ D
SPECS for 153 SP ACTIVE BACKPLATE OPTION
The self powered backplate shall provide digital signal
processing, biamplification, factory set tuning and
loudspeaker optimization, digital input compatible
to K+H K8 distribution standard; selector switch for
K8 digital channel which can be overridden in remote
software; +4 dBu nominal analog input on XLR female
and terminal block connectors; wink LED for speaker
identification; input overload LED for analog input;
analog input level trim; remote monitored termination
switch; remote control and monitoring of amplifier
including termperature, load condition and performance.
IS 153 LOUDSPEAKER
15” THREE-WAY INSTALLED LOUDSPEAKER
RESPONSE GRAPHS
Vertical Coverage of: K+H IS 153 80x50 fullrange Vertical Coverage of: K+H IS 153 50x40 fullrange
Horizontal Coverage of: K+H IS 153 80x50 fullrange Horizontal Coverage of: K+H IS 153 50x40 fullrange
Needs impedence graph
Needs frequency response graph
IS 153 LOUDSPEAKER
276mm
10,86Inch
213mm
8,38Inch
43mm
1,71Inch
138mm
5,43Inch
43mm
1,71Inch
437mm
17,20Inch
774mm
30,47Inch
501mm
19,72Inch
687mm
27,06Inch
43mm
1,71Inch
43mm
1,71Inch
MECHANICAL DRAWING
15” THREE-WAY INSTALLED LOUDSPEAKER
Needs array hanging drawing here
ARCHITECT & ENGINEERING SPECS
The sound reinforcement loudspeaker system shall utilize a 15” low frequency driver with 4” voice coil and a coaxial 2”/1”
mid/high frequency driver. The loudspeaker shall provide at least 97 dB sound pressure level at a distance of 1 meter
when driven with 1 Watt. The maximum peak sound pressure level shall be at least 135 dB. The coverage angle of the
high and mid frequency horn shall be 80 degrees horizontal x 50 degrees vertical, field rotatable or 50 degrees horizontal
x 40 degrees vertical, field rotatable and shall be desingned using Mathematically Modeled Dispersion™ technology. The
backplate shall be modular and externally removable with options for direct drive through Neutrik NL4 connectors, passive
crossover electronics with Neutrik NL4 connectors or an active amplified backplate, all field installable. The frequency
response shall be usable in an equalized system between 58 Hz and 22 kHz, +/- 3dB.
K+H Vertriebs- und Entwicklungsgesellschaf t mbH
Auf dem Kessellande 4A
30900 Wedemark
Germany
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