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3
Line Array Application Guide
EAW Passive Line Array Products - KF810P
Concentric Summation Array
(CSA)
A method of seamlessly
integrating MF and HF
components within a single
horn. With CSA, multiple
subsystems sum coherently,
without interruption to either
HF or MF wavefronts.
Symmetry of Sources
Symmetrical arrangement
of acoustic sources along
a common axis for utmost
consistency throughout
the coverage pattern.
Phase Aligned LF Tuned
spacing of LF components to
extend pattern control without
the need for enormous horns.
Isophasic Waveguide
Transforms the acoustic
input source to a true
Isophasic output.
PERFORMANCE
Max SPL
1
145dB
Operating Range
2
50 Hz to 20 kHz
Nominal Beamwidth
3
KF810
|
80 = 80° Horizontal x 10° Vertical
KF
810
|
110 = 110° Horizontal x 10° Vertical
RMS Power Handling
4
LF: 1000w HF: 500w
Input Impedance
5
LF: 8 Ω MF/HF: 8 Ω
Operating Mode
Amplier Channels External Signal Processing
Bi-amp
LF, MF / HF DSP w/EAW Focusing
CONFIGURATION
Subsystem
Transducer Loading
LF
2X 10in, 3.0in Voice Coil Ported, Phase Aligned
MF 4X 5in, 1.7in Voice Coil Horn-loaded w/CSA™ Aperture
HF 2X 1.4in exit, 3in Voice Coil Isophasic Waveguide
NOTES
1 Calculated max SPL at 1m with 4:1 (12dB) crest factor pink noise. Specied as whole space (free eld) for full range loudspeakers, half space for subwoofers.
2 Operating Range: Range where the processed Frequency Response stays within -10 dB SPL of the power averaged SPL within this range; measured on the
geometric axis. Narrow band dips are excepted.
3 Nominal Beamwidth: Design angle for the -6 dB SPL points, referenced to 0 dB SPL as the highest level.
4 Accelerated Life Test: Maximum test input voltage applied with an EIA-426B dened spectrum; measured with recommended signal processing and
Recommended Protection Filter.
5 Nominal Impedance: Selected 4, 8, or 16 ohm resistance such that the minimum impedance point is no more than 20% below this resistance over the
Operating Range.
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