Basic Configuration - Electro-Voice FRi+ 181S User Manual

Basic Configurations
F R i
S P E A K E R
S Y S T E M S
Recommended Configurations
for FRi Systems
• Bi-amp Operation
• All Passive Operation
• Tri-amp Operation
Due to the inherent designs and efficiencies of the
FRi systems, there is no cost effective reason to
utilize all active operation in either mono or stereo
mode. Actual cost of electronics and amplification
will be determined by the total number of FRi
cabinets configured within the array. Due to load
requisites some array configurations may not be
feasibly powered in all passive mode with typical
amplifiers available.
Cost Effective Fidelity
for the FRi System
Based on cost effectiveness of the entire system
(loudspeakers, processors, amplifiers), bi-amp
operation combines the overall best frequency
response and value. In simpler stereo applications
with one full range and one sub per side, we would
recommend a bi-amped mode of operation for
performance; however, all passive configurations
will typically supply adequate fidelity at an extremely
cost effective means. If multi-box arrays are used in
a stereo configuration, the recommendations for
mono program configurations apply to each side.
To increase low frequency response, consider a
hard-surface coupled mounting surface of the sub(s).
These may be floors, walls or ceilings. Acoustically
coupling low-frequency cabinets to architectural
structures provide an extremely cost effective means
of providing more low-frequency energy in your system
without additional loudspeakers or electronics.
13
BEST
BETTER
NOT RECOMMENDED
OPTIONAL
PROCESSING
AUDIO
INPUT
CROSSOVER
AUDIO
INPUT
AMPLIFIER
OPTIONAL
PROCESSING
BI-AMPED
MONO ARRAY
AMPLIFIER
ALL PASSIVE
MONO ARRAY