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Key Features:

Unequalized flat response to 42 Hz

Usable bass output to 32 Hz

16 threaded suspension points

Available in black, white and
unfinished

Arrays with  FRi/FRi+ full-range systems

High sensitivity, 100 dB below 100 Hz

Paintable Enclosure

FRi+181S

Vented 18-inch

Subwoofer

Speaker System

General Description:

The FRi+181 is designed for applications where extended low
frequency response is desired in an FRi/FRi+ installation.  It is
a trapezoidal enclosure identical in height, appearance and
suspension to the FRi/FRi+ full-range systems.  An 18" LF
transducer is centrally mounted in a large optimally-vented
enclosure for efficient deep-bass response that requires only
minimal equalization.  These professional fixed install
speakers deliver a broad range of performance options
including multiple rotatable horn patterns, matching sub-
woofer, full-range systems with easily switchable passive or bi-
amp operation, and EV’s world renowned transducer
technology for response that is smooth and linear. The FRi/
FRi+ Series  is an economical and flexible solution for the
most demanding installations.

Same height full-range and sub-woofer systems allow the
installer to construct arrays covering the most demanding
acoustical environments while maintaining an aesthetic and
uniform installation. The structural integrity of the FRi/FRi+
cabinets allows for vertical arrays up to 2 boxes in height. All
FRi/FRi+ systems are available in weather resistant black
Futura, white, and unfinished.  Performance my be further
enhanced by bi-amping or tri-amping with the Electro-Voice
Dx-38 Digital Sound System Processor.

Technical Specifications:

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