QRx 218S

紧凑型双18"超低频扬声器

Summary & Images Specs Where to buy Downloads & Support

QRx 218S是双18"超低频扬声器系统，持续功率1200W（峰值功率4800W）。音乐会级EVX180B低频驱动器采用4"音圈，抗功率压缩，拥有极佳的长期工作稳定性。

Specifications

Nominal Impedance (Passive)	4
Speaker Type	Subwoofer
Woofer Size	18
Powered or Passive	Passive
Frequency Response (-3 dB)¹	38 - 125
Max. SPL/1m (calc)²	139
LF Transducer	Two 18-inch EVX180B
System Power Handling (Continuous/Program/Peak)	1200//4800
Power Rating	4800
Crossover Frequency	100 (24 dB/octave)
Enclosure Material	13-Ply Birch Plywood
Available Color	Black, White, Unfinished
Sensitivity 1 W/1 m	102
Height	1015
Width	560
Recommended High-Pass Frequency	35 (12 dB/octave)
Internal Crossover	No
Depth	602
Weight Net	68
Family	QRx
Input Connections	2 Neutrik® NL4
Chassis Size	457.2
Coverage (Nominal -6 dB)	Essentially Omni
Axial Sensitivity (SPL, 1 W @ 1 m)	102

Recommended Amplifiersffs

For optimal sound system performance, Electro-Voice recommends the following amplifiers for QRx 218S.

	Dynacord C‑Series Two‑Channel Power Amplifiers for Fixed Install 更多	Dynacord L‑Series Two‑Channel Power Amplifiers for Live Sound 更多	Dynacord IPX Series IPX series multi-channel power amplifiers for fixed install applications 更多
Two-Channel	✔	✔
Multi-Channel			✔
DSP	✔	✔	✔
Direct Drive	✔	✔	✔
OMNEO (Dante, OCA)			✔
Installation	✔		✔
Live Sound		✔

Where to Buy

便携式扬声器&麦克风

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Certification/Regulatory

Name	Language & Download
Fixed Install/Qrx Series, EC Declaration of Conformity	EN

Engineering Data Sheet

Name	Language & Download
QRx-218S Engineering Data Sheet	EN

White Paper

Name	Language & Download
Audio 101 - Basic Audio Terminology	EN
Audio 101 - Loudspeaker Basics	EN
EASE Data Explanation	EN
PA Bible 02: Power Handling Capacity	EN
PA Bible 11: Portable Sound Systems for the Small Club	EN
The EV PA Bible	EN
The PA Bible Chapter Zero	EN