Extron Electronics PVS 204SA User Guide - Manual (Page 23)

2-11 PVS 204SA Switcher • Installation
j
Amplified Out — Wire and connect the supplied 4-pin 5 mm
connector to this port, marked “L” and “R” (left and right) for
4 or 8 ohm speaker output.
C Do not tie both L and R outputs to each other and/or to ground.
Doing so will short out the outputs and damage the amplifier.
N The speaker setup covers two individual speakers of 8 ohm impedance or two
pairs of speakers in parallel where each channel drives a maximum output load
of 4 ohms
Speaker Configuration
Speaker arrangement examples
Ceiling and program speakers can be arranged several different ways.
The following factors affect the choice of speaker placement:
• Dimensions of the room
• Room acoustics
• Desired evenness of sound coverage
• Audience mobility (whether the audience will be seated or not)
• Ambient noise level
• Type of music or other audio source
Some general ideas for speaker placement are included below.
2 Front Program Speakers
Program Speakers
Classroom Top View
4 Ceiling Speakers
Classroom Top View
Ceiling
Speakers
Figure 2-15 — Examples of speaker layouts
L R
4/8 Ohms
AMPLIFIED OUTPUTS