QRx153
15-Inch Three-Way Biamped
Speaker System with
Horn-Loaded Midrange
Key Features:
•
8-inch MF horn loaded for 75o x 50o pattern
control to 500 Hz
•
•
3-inch DH7 HF compression driver
15-inch DL15 woofer is loaded into vented
enclosure
•
•
Asymmetric MF and HF horns have
+15o / -35o coverage
RMDTM – Ring-Mode Decoupling for vocals
and mids with superb fidelity at any listening
level
•
•
The EV P1202 Precision Series Amplifier and
M153 module are designed to power the
QRx153 perfectly
L-track rigging is installed on top and
bottom of the enclosure
General Description:
Technical Specifications:
The QRx153/75 is a biamped three-way full-range
loudspeaker system capable of filling performance spaces
with beautifully balanced audio and high acoustic output
capability.
Freq. Range (-10 dB):
42Hz - 20kHz
Freq. Response (-3 dB):
Long Term Pwr Handling 1
50Hz - 16kHz
:
400W LF / 150W MF/HF
Short Term Pwr Handling 1 : 1600W LF / 600W MF/HF
The QRx153 is designed to be bi-amplified at 500 Hz utilizing
a DX38 digital controller, or a P1202 power amplifier with
M153 control module. All QRx models use 13 ply plywood,
Futura coating, and steel grilles for wear and weather
resistance. The QRx153 is trapezoidal with 15o side angles.
“L” track rigging is installed on the enclosure top and bottom.
Small arrays can be flown for live work, or the system can be
suspended horizontally or vertically for fixed installations.
Sensitivity (1W / 1m):
Impedance:
98dB LF / 105dB MF/HF
8 ohms LF / 12 ohms MF/HF
130 dB @ 1m
Max. Calc. SPL Output:
Horizontal Coverage:
Vertical Coverage:
LF to MF Crossover:
Passive Crossover Freq.:
LF Transducer:
75°
50° (Up 15°, Down 35°)
500 Hz
Thanks to its combination of the DL15ST woofer and large
enclosure volume; the horn-loaded 8-inch midrange driver
and powerful 3-inch compression driver, the EV QRx153/75
has extended response for high-level, high fidelity applications
without the need of a subwoofer. The horn-loaded midrange
driver provides excellent pattern control in this critical
response area. Both MF and HF horns are aimed downward
10o to provide optimal aiming when the speaker is elevated
above the audience. This also helps control sound to provide
greater intelligibility.
1.2 kHz
15-inch DL15ST
MF8 8-inch MF / DH7 3-inch HF
MF/HF Transducers:
Trapezoidal 13-ply (18mm) Baltic
Birch (15° Side Angles)
Enclosure:
Suspension:
Connectors:
Q and DI:
L-Track w/Ancra fittings
(2) Neutrik Speakon NL4's
Q = 12 / DI = 10.8
Recommended Controller: Dx38
The QRx153/75 has an excellent combination of performance
and flexibility for demanding audiences.
Grille:
Powder Coated Steel, Fabric backed
Dim (H x W x D) in:
Dim (H x W x D) mm:
Net Weight:
41.5” x 18.4” x 19.12”
1240 mm x 467 mm x 485 mm
97 lbs (44.09 kg)
Shipping Weight:
105 lbs (47.72 kg)
1 EIA-RS426A
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