QRx 218S

紧凑型双18"超低频扬声器

Summary & Images Specs Downloads & Support

超低频扬声器；直接辐射式设计；灵敏度高；低频下限延伸至31 Hz（-10 dB）；长方形；可与大型HP和MH号筒式扬声器完美搭配使用；具有吊装版本可供选择

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

Frequency Range (-10 dB)	31 - 250
Weatherized	No
Flying	Optional
产品规格

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
Power Rating	4800
System Power Handling (Continuous/Program/Peak)	1200//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
Chassis Size	457.2
Coverage (Nominal -6 dB)	Essentially Omni
Axial Sensitivity (SPL, 1 W @ 1 m)	102
Input Connections	2 Neutrik® NL4

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		✔

下载

Technical Documentations

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

Service Policies

Name	Language & Download
Service Policies for China	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

Software, Firmware & Design Tools

EASE/CLF

Name	Language & Download
QRx EASE3	Download

Other Software

Name	Language & Download
RACE V3.10	Download
QRx AcoustaQwik	Download
QRx Arrayshow	Download
QRx Presets for RACE	Download

Marketing Materials

Brochure

Name	Language & Download
QRx Twist & Shout Flyer	Download

Product Image

Let's talk

Dynacord & Electro-Voice, together with our certified partners, are ready to help support you through planning, purchase, and setup. Services available through our network of highly-qualified associates and partners may include: