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QRx 115/75

15" passive loudspeaker

  • Compact with high output
  • Ideal for mains (small-to-medium rooms) or monitors
  • Cast-frame woofer, vented cabinet for extended LF
  • 3-inch DH7 titanium HF compression driver
  • Rotatable 75º x 50º Constant-directivity horn
  • Asymmetric 10º down-angled coverage
  • Externally switchable bi-amped or passive operation
  • High sensitivity, 130 db maximum SPL (peak)
  • Power handling: 400 W continuous, 1600 W peak
  • 5-sided 13-ply birch enclosure with monitor slant Built-in handles and L-Track rigging Black or White

Specifications

Frequency Range (-10 dB) 45 - 16000kHz
Weatherized No
Flying Yes

Nominal Impedance (Passive)
HF Nominal Impedance
HF Transducer 3-inch DH7
Speaker Type Full-Range, Mid-High, Two-Way, Wedges
Woofer Size 15inch
Powered or Passive Passive
Frequency Response (-3 dB)¹ 60 - 15000Hz
LF Nominal Impedance
Max. SPL/1m (calc)² 130dB
Coverage (Nominal -6 dB) H 75°
Coverage (Nominal -6 dB) V 50°
LF Transducer 15-inch DL15X
System Power Handling (Continuous/Program/Peak) 450//1800Watts
Power Rating 1600W
Rotatable Horn Yes
LF Power Handling 400Watts
HF Power Handling 75Watts
Crossover Frequency 1500Hz (24 dB/octave)
Enclosure Material 13-ply birch plywood
Sensitivity 1 W/1 m 98dB
Available Color Black or white
Height 759mm (29.88")
Recommended High-Pass Frequency 45Hz (12 dB/octave)
Width 450mm (17.72")
Depth 407mm (16.02")
Weight Net 32kg (70.55 lbs)
Family QRx
Axial Sensitivity (SPL, 1 W @ 1 m) 98dB
Input Connections Parallel Neutrik® NL4
Chassis Size 381 mm

Compatible Products

Recommended Amplifiers

For optimal sound system performance, Electro-Voice recommends the following amplifiers for QRx 115/75.

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Downloads

Name Language Size Date
ProSound Loudspeakers and Electronics Catalog EN 15.43MB 04.02.2019
QRx Twist & Shout Flyer EN 601KB 12.26.2007
Name Size Date
Environmental Compliance Document 148KB 10.03.2017
Qrx Series, EC Declaration of Conformity 67KB 11.13.2019
Name Size Date
QRx115 CAD Drawing DWG 40KB 12.26.2007
Name Size Date
QRx EASE3 ZIP 713KB 01.24.2018
Name Language Size Date
QRx-115/75 Engineering Data Sheet EN 137KB 12.26.2007
Name Size Date
RACE V3.10 EXE 10.29MB 12.26.2007
QRx AcoustaQwik EXE 301KB 12.26.2007
QRx Arrayshow EXE 1.07MB 12.26.2007
QRx Presets for RACE ZIP 167KB 12.26.2007

id-191 product-QRx115 7oc

Name Language Size Date
Allgemeine Lieferbedingungen DE 184KB 11.30.2016
General Terms & Conditions of Deliver for Export Business EN 57KB 11.26.2014
Name Language Size Date
Audio 101 - Basic Audio Terminology EN 2.74MB 12.13.2012
Audio 101 - Loudspeaker Basics EN 3.02MB 12.13.2012
EASE Data Explanation EN 934KB 11.17.2015
PA Bible 02: Power Handling Capacity EN 422KB 12.26.2007
PA Bible 06: The Constant Directivity White Horn White Paper EN 465KB 12.26.2007
PA Bible 11: Portable Sound Systems for the Small Club EN 470KB 12.26.2007
The EV PA Bible EN 1.14MB 12.26.2007
The PA Bible Chapter Zero EN 1.14MB 06.11.2018
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