EAW KF737 User Manual

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K F 7 3 7 S p e c i f i c a t i o n s

group · S

3-WAY FULL-RANGE BI-AMP (passive MF/HF filter)

Performance is for a single KF737.

CONFIGURATION

 

Subsystem

 

 

 

LF

Transducer

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2x 10 in cone

PhaseAligned™

 

MF

2x 7 in cone

Horn-loaded

 

HF

2x 1 in exit, 1.75 in voice

Horn-loaded w/Radial

 

 

coil neodymium

Phase Plug™

 

 

compression driver

 

 

Operating Mode

 

 

 

Bi-amp

AmplifierChannels

ExternalSignalProcessing

 

LF, MF/HF

DSPw/2-way filters

 

PERFORMANCE 1

 

 

 

Operating Range

80 Hz to 20 kHz

 

 

Nominal Beamwidth (rotatable)

 

PRELIMINARYOne large MF/HF horn fills the entire face of the enclosure, better

 

Horz

75°

 

 

Vert

12°

 

 

Axial Sensitivity (whole space SPL)

 

 

MF/HF

105 dB

230 Hz to 20 kHz

 

LF

91 dB

80 Hz to 230 Hz

FEATURES

Peak Sensitivity (whole space SPL)

 

MF/HF

112 dB

20 Hz to 20 kHz

• High-Q brings longer throw capability to KF730 arrays

LF

92 dB

20 Hz to 20 kHz

• Nominal horizontal beamwidth of 75 degrees

nput mpedance (ohms)

 

• Fits seamlessly within KF730 Series arrays

 

ominal

Minimum

• Integral light fly hardware of 6061-T6 structural aluminum

MF/HF

16

15.9 @ 680 Hz

LF

16

16 @ 250 Hz

 

Recommended High Pass Filter

 

DESCRIPTION

High Pass

=>80 Hz, 24 dB/octave

 

Accelerated Life Test 2

 

Thehigh-QKF737enhancestheabilityoftheKF730Seriestodeliver

MF/HF

75 V

350 W @ 16 ohm

concert-level output and performance in an exceptionally wide range

LF

106 V

700 W @ 16 ohm

of applications. It may be used at the top of a KF730 array to project

Calculated Axial Output Limit (whole space SPL)

 

focusedenergyoverlongdistances.Itmayalsobeusedonitsownin

 

Average

Peak

shoe-box style halls where you want to keep sidewall reflections to a

 

MF/HF

130 dB

136 dB

minimum.TheKF737,alongwithlow-QKF730fullrangeloudspeaker

LF

119 dB

125 dB

and SB730 subwoofer, is an excellent solution for applications such

ORDERING DATA

 

 

as houses of worship, corporate A/V, theatres, hotel ballrooms, and

 

 

Description

 

Part Number

concert halls. The system is also ideal for supplemental coverage

 

KF737 LineArray Loudspeaker - Black

0016014-90

for larger line arrays, such as the KF760 Series. Such uses include

Optional Accessories

 

audience side fill, stage lip fill, delayed arrays for balconies, and

 

stage/performer coverage.

FB737 Fly Bar

 

0006265

 

PB173 Pull Bar

 

0008090

maintaining horizontal pattern control throughout the MF/HF

QRP2 Quick Release Pins (Spare)

0020558-01

passband.ThecurvedapertureMFloadingslotseffectivelymovethe

PLT73K Caster Pallet

 

0006385

MFacousticoriginalfurtherintothehornthanphysicalspacepermits. 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 dualmodedigitalprocessor,whichsuppliesGunnessFocusingalignment 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.

1To achieve specified performance, the listed external signal processing with EAW-provided settings is required.

2For recommendations to select power amplifier size refer to : “HOW MUCHAMPLIFIER POWER DO I NEED?” on the EAW web site.

Eastern Acoustic Works One Main Street Whitinsville, MA 01588 tel 800 992 5013 / 508 234 6158 fax 508 234 8251 www.eaw.com

EAW products are continually improved. All specifications are therefore subject to change without notice.

Part Number: Preliminary March 2008

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