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K F 8 5 0 z F S p e c i f i c a t i o n s |
p r e l i m i n a r y |
group · S |
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FEATURES
•Tri-amplified VA™ 3-way full-range system
•Touring industry standard
•Flyable version with fly-track hardware
•Companion SB850zR subwoofer
3-WAY FULL-RANGE TRI-AMP
See TABULAR DATA notes for details
CONFIGURATION
Subsystem |
Transducer |
Loading |
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LF |
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1x |
15 in cone |
Horn-loaded |
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MF |
1x |
10 in cone |
Horn-loaded |
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Radial Phase Plug™ |
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HF |
1x |
2 in exit, 3 in voice |
Horn-loaded |
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coil neodymium compression driver |
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Operating Mode |
AmplifierChannels |
ExternalSignalProcessing |
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Tri-amp |
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LF, MF, HF |
DSP w/3-way filters |
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PERFORMANCE 1
Operating Range |
75 Hz to 20 kHz |
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Nominal Beamwidth |
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Horz |
55° |
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Vert |
40° |
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Axial Sensitivity (whole space SPL) |
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LF |
101 dB |
75 Hz to 250 kHz |
MF |
109 dB |
250 Hz to 1050 Hz |
HF |
112 dB |
1050 Hz to 20 kHz |
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Peak Sensitivity (whole space SPL) |
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LF |
106 dB |
20 Hz to 20 kHz |
MF |
111 dB |
20 Hz to 20 kHz |
HF |
116 dB |
20 Hz to 20 kHz |
Input Impedance (ohms) |
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LF |
Nominal |
Minimum |
8 |
7.7 @ 120 Hz |
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MF |
8 |
9.7 @ 1000 Hz |
HF |
8 |
9.2 @ 5010 Hz |
Recommended High Pass Filter |
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High Pass |
=>40 Hz, 24 dB/octave |
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DESCRIPTION |
Accelerated Life Test 2 |
The KF850 Series has been the touring system standard for well over ten years, being acceptable in more technical riders than any other loudspeaker. The KF850z incorporates a number of advances in loudspeaker technology and performance developed over that time by EAW Engineers. The result is a KF850 with higher impact and fidelity than ever before.
Legendary KF850 performance is enhanced with a neodymium, Orbital Magnet Array™ HF driver offering increased surface area for better cooling, and higher reliability. A new HF horn extends HF response and fidelity while minimizing throat distortion. The critical MF subsystem is based on EAW's Radial Phase Plug™ design used in the KF650, KF750, and KF760. An optional user-installed, passive MF/HF crossover kit allows more economical, bi-amplified operation.
The KF850z's advanced performance will not be sonically compatible with exsiting KF850E inventories. To facilitate integration, kits are available to upgrade them to the KF850z. The KF850z's enclosure and rigging hardware are fully compatible with the KF850E Series. However, the "z" enclosures incorporate a stacking pad on top that mates with a recess in the bottoms. KF850z DSP processor settings are available online for EAW's MX8750 as well a select group of other popular touring processors.
KF850 Series applications continue to include: concert tours, corporate events, large theaters, stadiums, cathedrals, large live music clubs. Six year warranty.
LF |
75 V |
700 W @ 8 ohm |
MF |
56 V |
400 W @ 8 ohm |
HF |
40 V |
200 W @ 8 ohm |
Calculated Axial Output Limit (whole space SPL) |
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LF |
Average |
Peak |
129 dB |
135 dB |
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MF |
135 dB |
141 dB |
HF |
135 dB |
141 dB |
ORDERING DATA
Description |
Part Number |
KF850zF Black |
0006816 |
Optional Accessories |
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KF850z/SB850z caster pallet |
0007683 |
KF850z/SB850z caster pallet kit |
0008835 |
KF850z bi-amp crossover kit* |
0007951 |
KF850z upgrade kit [AP6] |
0006241 |
KF850z upgrade kit [NL8] |
0006242 |
Fly clip w/ ring |
0001386 |
Fly clip w/ hook |
179001 |
* The bi-amp crossover kit can only be used on a factory-built KF850z. It cannot be used on a KF850 originally manufactured as an “E” series and later upgraded to a KF850z.
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 MUCH AMPLIFIER 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. |
PRELIMINARY January 2004 |
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K F 8 5 0 z F S p e c i f i c a t i o n s |
p r e l i m i n a r y |
group · S |
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ENCLOSURE |
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Material |
Baltic birch plywood |
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Finish |
Wear resistant textured black paint |
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Grille |
Powder-coated perforated steel |
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(16.50) |
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A |
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4.00 |
C |
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L |
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9.25 |
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2X 19.25 |
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29.50 |
NOTES: |
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1. SYMBOL |
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INDICATES 19.00 X 1.35 |
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16.00 |
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FLYTRACK. |
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2. SYMBOL |
INDICATES CENTER OF BALANCE. |
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8.50 |
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3. WEIGHT APPROX. 247 LBS. |
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A |
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4. SHIPPING WEIGHT APPROX. 270 LBS. |
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2X 7.43 |
2X 2.27 |
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19° |
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TOP |
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2X 22.10 |
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DIMENSIONS APPLY |
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4X 6.44 |
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TO TOP AND BOTTOM |
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ACCESS PANEL |
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GRILLE PARTIALLY SHOWN |
2X 5.22 |
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26.37 |
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8X HANDLE |
C |
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L |
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4X 10.81 |
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42.37 |
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2X 27.28 |
2X 3.28 |
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INPUT |
3.50 |
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C |
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42.00 |
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L |
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21.50 |
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16.10 |
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FRONT |
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VIEW A-A |
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6.50 |
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BACK |
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DIMENSIONS APPLY |
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PALLET RECESS |
TO BOTH SIDES |
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4.25 |
BOTTOM ONLY |
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C |
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L |
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8.38 |
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9.50 |
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BOTTOM |
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KF850zF |
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PRODUCTION |
EASTERN ACOUSTIC WORKS |
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NOTE: This drawing has been reduced. Do not scale.
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. |
PRELIMINARY January 2004 |
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