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Eastern Acoustic Works One Main Street Whitinsville, MA01588 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: RD0187 (B) AX366 April 2005
AX366 Specifications group · I
DESCRIPTION
The AX3 Series is a versatile set of arrayable, full-range modules that
can provide the "horsepower" for the high outputs required in larger
venues. The AX3 Series include horn patterns from 45° x 45° to 90° x
60°. All AX enclosures, including the AX2 Series and companion AX122
subwoofer, have an identically sized, dual trapezoidal shape. This
permits creating horizontally or vertically orientated arrays in a variety of
beamwidths, with the AX's superior horizontal and vertical pattern
symmetry maintaining the proper relationship between the polar
patterns. Aset of 3/8-16 threaded mounting points facilitate installation.
Single-amp and bi-amp operating modes are user-selectable. In
single-amp mode, the passive crossover is designed to work with a
digital signal processor (DSP). This reduces the crossover’s
complexity, minimizes power losses, and provides more
sophisticated digital processing to maximize performance.
The AX3 Series features a newly-designed, coaxial transducer with
high efficiency, MF cone and HF compression drivers. The drivers
share a common, neodymium magnet allowing closely spaced voice
coils. This minimizes the distance between the MF and HF acoustic
origins for highly coherent sound both on and off axis. The MF's
sealed, aluminum chassis acts as a heat sink for the entire assembly.
The MF/HF transducer loads into a large, common horn via a
modified version of the EAW's patented Radial Phase Plug™. A
unique HF waveguide is integrated within the center of the phase
plug. It is acoustically transparaent to the MF energy while being
acoustically opaque to and acting as a waveguide for the HF energy.
The low frequencies are reproduced by a pair of spaced, 12-inch
cone drivers. This LF subsystem maintains the overall coaxial
design as its acoustic origin is along the acoustic axis of the MF/HF
subsystem. In addition, the LF driver spacing provides better pattern
control than systems of similar size that use a single LF driver.
The companion AX122 subwoofer is designed to extend the low
frequency response of the AX3 full-range loudspeakers. With an
identically-sized enclosures, AX122s array perfectly with AX3s.
Six year warranty.
3-WAY FULL-RANGE COAXIAL, 60° x 60°
See NOTES TABULAR DATAfor details
CONFIGURATION
Subsystem
Transducer Loading
LF 2x 12 in cone Phase Aligned™
MF 1x 8 in cone Horn-loaded w/Radial
Phase Plug™
HF 1x 1.4 in exit, 2.5 in voice Horn-loaded w/Radial
coil compression driver Phase Plug™
Operating Mode
Amplifier Channels External Signal Processing
Single-amp LF/ MF/HF DSP
Bi-amp LF, MF/HF DSP w/2-way filters
PERFORMANCE
1
Operating Range 68 Hz to 20 kHz
Nominal Beamwidth
Horz 60°
Vert 60°
Axial Sensitivity (whole space SPL)
LF/MF/HF 102 dB 68 Hz to 20 kHz
LF 103 dB 68 Hz to 335 Hz
MF/HF 104 dB 275 Hz to 20 kHz
Input Impedance (ohms)
Nominal Minimum
LF/MF/HF 8 6.3 @ 93 Hz
LF 8 7.9 @ 165 Hz
MF/HF 8 6.9 @ 590 Hz
High Pass Filter
High Pass =>40 Hz, 24 dB/octave Butterworth
Accelerated Life Test
2
LF/MF/HF 80 V 800 W @ 8 ohm
LF 89 V 1000 W @ 8 ohm
MF/HF 49 V 300 W @ 8 ohm
Calculated Axial Output Limit (whole space SPL)
Average Peak
LF/MF/HF 131 dB 137 dB
LF 133 dB 139 dB
MF/HF 128 dB 134 dB
ORDERING DATA
Description Part Number
AX366 3-Way Full-Range Loudspeaker Black 0010476
AX366 3-Way Full-Range Loudspeaker White 0011588
AX366 3-Way Full-Range Loudspeaker Black WP 0011579
Optional Accessories
Eyebolt/Forged Shoulder (3/8-16 x 1.25 in) 104001
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.