F
R
i
S P E A K E R
S Y S T E M S
General Product Description
A dedicated passive 18-inch subwoofer system in a vented
slot-loaded trapezoidal enclosure. Includes passive crossover to
allow use with full-range signal. Secondary input connectors
bypass crossover to accept bandpassed signal. Designed as a
suspendible enclosure. Cloth coverable steel grille.
Applications
The FRi-181S provides high output low bass response in
an enclosure designed to compliment the other models in
the FRi line.The vented slot loaded design extends LF
response and improves output.The versatile, compact enclosure
features a comprehensive system of 3/8-16 thread mounting/
suspension points, to allow vertical or horizontal mounting.
The FRi series is 28-inches high, creating a uniform look in
arrays. Five year warranty.
Applications include:
Stadiums
Arenas
Houses of Worship
Discos
Live music clubs
Gymnasiums
Specification Sheet FRi-181S
Speaker Description
Part Number
1152-3340
Components & Loading
DL18BFH 18-inch woofer in vented
slot load design
System Configuration
Dedicated Subwoofer
Powering Configuration
Passive or Biamp
Recommended High-Pass
Frequency (12 dB/octave min.)
40 Hz
Cabinet Type (shape)
Trapezoidal
Enclosure Materials
13-ply Birch plywood
Finish
Black Acrylic
Connectors
Two barrier strips
Suspension Hardware
(16) 3/8 -16 threaded mounting/suspension
points (4 each top, bottom, sides)
Grille
Powder-coated perforated 16GA steel
Options
WH - white acrylic finish
UN - unfinished