EAW KF737 Specification Sheet

K F 7 3 7 S p e c i f i c a t i o n s
FEATURES
• High-Q brings longer throw capability to KF730 arrays
• Nominal horizontal beamwidth of 75 degrees
• Fits seamlessly within KF730 Series arrays
• Integral light fly hardware of 6061-T6 structural aluminum
DESCRIPTION
The high-Q KF737 enhances the ability of the KF730 Series to deliver
concert-level output and performance in an exceptionally wide range
of applications. It may be used at the top of a KF730 array to project
focused energy over long distances. It may also be used on its own in
shoe-box style halls where you want to keep sidewall reflections to a
minimum. The KF737, along with low-Q KF730 full range loudspeaker
and SB730 subwoofer, is an excellent solution for applications such
as houses of worship, corporate A/V, theatres, hotel ballrooms, and
concert halls. The system is also ideal for supplemental coverage
for larger line arrays, such as the KF760 Series. Such uses include
audience side fill, stage lip fill, delayed arrays for balconies, and
stage/performer coverage.
One large MF/HF horn fills the entire face of the enclosure, better
maintaining horizontal pattern control throughout the MF/HF
passband. The curved aperture MF loading slots effectively move the
MF acoustic original further into the horn than physical space permits.
The side-mounted LF drivers provide a forward-firing, figure-8-type
pattern. The drivers are spaced so that the LF beamwidth matches
the MF through crossover.
A bi-amplified power configuration (passive mid/high) reduces
system cost and complexity. Processing for the arrays is intentionally
simple and can be greatly enhanced with the EAW UX8800 dual-
mode digital processor, which supplies Gunness Focusing alignment
and driver processing algorithms.
The KF737, like the rest of the KF730 Series, offers very friendly
truck-pack dimensions. Its rigging system is fully compatible with
the KF730 full-range module as well as the SB730 subwoofer. The
versatile rigging design fosters fast construction of arrays ranging
from 4 to 18 enclosures. Each KF737 includes six QRP2 Quick
Release Pins.
1 To achieve specified performance, the listed external signal processing with EAW-provided settings is required.
2 For recommendations to select power amplifier size refer to : "HOW MUCH AMPLIFIER POWER DO I NEED?" on the EAW web site.
EAW products are continually improved. All specifications are therefore subject to change without notice.
Eastern Acoustic Works One Main Street Whitinsville, MA 01588 tel 800 992 5013 / 508 234 6158 fax 508 234 8251 www.eaw.com
3-WAY FULL-RANGE BI-AMP (passive MF/HF filter)
Performance is for a single KF737.
CONFIGURATION
Subsystem
Transducer
LF 2x 10 in cone
MF 2x 7 in cone
HF 2x 1 in exit, 1.75 in voice
coil neodymium
compression driver
Operating Mode
Amplifier Channels
Bi-amp LF, MF/HF
1
PERFORMANCE
Operating Range 80 Hz to 20 kHz
Nominal Beamwidth (rotatable)
Horz 75°
Vert 12°
Axial Sensitivity (whole space SPL)
MF/HF 105 dB
LF 91 dB
Peak Sensitivity (whole space SPL)
MF/HF 112 dB
LF 92 dB
Input Impedance (ohms)
Nominal
MF/HF 16
LF 16
Recommended High Pass Filter
High Pass =>80 Hz, 24 dB/octave
2
Accelerated Life Test
MF/HF 75 V
LF 106 V
Calculated Axial Output Limit (whole space SPL)
Average
MF/HF 130 dB
LF 119 dB
ORDERING DATA
Description
KF737 Line Array Loudspeaker - Black
Optional Accessories
FB737 Fly Bar
PB173 Pull Bar
QRP2 Quick Release Pins (Spare)
PLT73K Caster Pallet
group · S
Loading
Phase Aligned™
Horn-loaded
Horn-loaded w/Radial
Phase Plug™
External Signal Processing
DSP w/2-way filters
230 Hz to 20 kHz
80 Hz to 230 Hz
20 Hz to 20 kHz
20 Hz to 20 kHz
Minimum
15.9 @ 680 Hz
16 @ 250 Hz
350 W @ 16 ohm
700 W @ 16 ohm
Peak
136 dB
125 dB
Part Number
0016014-90
0006265
0008090
0020558-01
0006385
Part Number: Preliminary March 2008