EAW MQTD415 User Manual
Frequency Response (1 Watt @ 1m)
±3 dB 48 Hz to 300 Hz
-10 dB 38 Hz
Axial Sensitivity (dB SPL, 1 Watt @ 1m)
15-in 101
12-in 101
Impedance (Ohms)
15-in 2x 8
12-in 2x 8
Power Handling, AES Standard (Watts)
15-in 1600
12-in 1000
Calculated Maximum Output (dB SPL)
15-in Peak 139.0
12-in Peak 137.0
15-in Long Term 133.0
12-in Long Term 131.0
90 Degreee Off -Axis Rejection
Vertical 10-12dB Attenuation 110-
300 Hz
A unique 2 way bass system employing Tuned Dipolar Array
Technology. Includes 2x 15" Woofers (vented) and 2x 12"
woofers (sealed) in a trapezoidal enclosure.
The MQTD415 uses patented Tuned Dipolar Array (TDA)
Technology to achieve unprecedented LF directivity in the
vertical plane without en orm ous horns or baffles. The compact, high output LF system works with MQ Series
mid/hig modules to create true 3-way arrays in large format
installations. A powerful tool where LF directivity is required.
Six year warranty.
Applications include:
Stadiums Arenas Dance Clubs
Theaters Performing Arts Centers
Large Houses of Worship
SPECIFICATIONS MQTD415
DESCRIPTION
PERFORMANCE
One Main Street, Whitinsville, MA 01588 508 234 6158 Toll Free 800 992 5013 FAX 508 234 8251 info@eaw.com www.eaw.com
EAW products are continually improved. All specifications are therefore subject to change without notice. MQTD415/888174 Rev(1)/2 pp 7/25/00 Printed in USA
APPLICATION
PHYSICAL
LF Subsystem 2x 15-in, vented
2x 12-in, sealed
Configuration Dedicated LF tuned dipolar array
Powering Mode Bi-amplified
Cabinet Type (shape) Trapezoidal
Enclosure Materials Baltic birch plywood
Finish
Wear-resistant textured black paint
Connectors 2x 4-Terminal barrier strip
Suspension Hardware (16) 3/8”-16 threaded mounting
points (4 each top, bottom, and
sides)
Grille Powder coated perforated steel
Dimensions inches millimeters
Height 54.00 1372
Width (front) 24.0610
Width (rear) 12.75 324
Depth 21.0533
Trapezoid Angle 15°
Weights pounds kilograms
Net Weight 209 94.8
Shipping Weight 234 106.1
SPECIFICATIONS MQTD415
DIMENSIONAL DRAWING
A & E SPECIFICATIONS
One Main Street, Whitinsville, MA 01588 508 234 6158 Toll Free 800 992 5013 FAX 508 234 8251 info@eaw.com www.eaw.com
EAW products are continually improved. All specifications are therefore subject to change without notice. MQTD415/888174 Rev(1)/2 pp 7/25/00 Printed in USA
The low frequency loudspeaker systems shall incorporate 2x
15-in plus 2x 12-in LF transducers. Each driver pair shall be
spaced so as to create a tuned dipolar array. The driver pairs
shall require an active crossover at 145 Hz, 24 dB/octave. The
system shall provide 10-12 dB attenuation 90° off axis from
110 Hz to 300 Hz.
System frequency response shall vary no more than ±3 dB
from 48 Hz to 300 Hz measured on axis. The 15-in driver pair
shall produce a Sound Pressure Level (SPL) of 101 dB SPL on
axis at 1 meter with a power input of 1 Watt, and shall be
capable of producing a peak output of 139 SPL on axis at 1
meter. The 15-in driver pair shall handle 1600 Watts of amplifier power (AES Standard) and shall have a nominal impedance of 2x 8 Ohms.
The 12-in driver pair shall produce a Sound Pressure Level
(SPL) of 101 dB SPL on axis at 1 meter with a power input of
1 Watt, and shall be capable of producing a peak output of
137 SPL on axis at 1 meter. The 12-in driver pair shall handle
1000 Watts of amplifier power (AES Standard) and shall have
a nominal impedance of 2x 8 Ohms.
The loudspeaker enclosure shall be trapezoidal in shape. It
shall be constructed of 1/2-in thi ckn ess voi d-fr ee cr oss-gr ainlaminated Baltic birch plywood and shall employ extensive
internal bracing. It shall be finished in wear-resistant textured black paint. Input connectors shall be dual four-terminal barrier strips. A total of 16 3/8"-16 threaded mounting
points (4 each top, bottom, and sides) shall be provided. The
front of the loudspeaker shall be covered with a powder coated perforated steel grille.
The low frequency loudspeaker shall be the EAW model
MQTD415.
Manufacturing tolerances are +/- 0.13 and +/- 1°
TOP/BOTTOM
FRONT
SIDES
BACK
509006 (A)
exp 3/29/00 dpm
MQTD415
INDICATES MOUNTING POINT,
3/8-16 THREADED HOLE (PI ANGLE).
INDICATES CENTER OF BALANCE.
C
L
7.37
INPUT
5.62
6.72
13.15
6.37
1.95
50.10
L
C
17.15
12.70
5.68
ACCESS PANEL
30°
DIMENSIONS APPLY
TO TOP AND BOTTOM
21.00
8.88
(12.75)
10.34
24.00
GRILLE PARTIALLY SHOWN
54.00
INDICATES MOUNTING POINT,
3/8-16 THREADED HOLE (NUT PLATE)
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