Preliminar y – Extron Electronics MLS 406SA User Manual
Page 21
2-1
MLS 304 Series, MLS 406 Series • Installation
PRELIMINAR
Y
l
Amplified output (MLS 304SA, MLS 406SA only) — Cable speakers to this
5-position screw terminal for either stereo or dual mono amplified audio
output. The switcher’s default setting is stereo output. Dual mono (the same
signal output on both channels) can be selected via software.
C
Do not short the terminals to ground or the amplifier will be damaged.
Do not connect anything to the middle position of the 5-position screw
terminal; it is not connected to ground.
C
Do not bridge mono outputs. Bridging could damage the amplifier.
The SA models’ amplifier power-up delay is 8 seconds for either 4 ohm or
8 ohm output
Wiring for 4 ohm or 8 ohm speakers (SA models)
N
The maximum power output when an MLS 304SA or MLS 406SA is wired for
4 ohm speakers is 24 watts (12 watts per channel). Maximum power output
for 8 ohm speakers is 16 watts (8 watts per channel).
Dual Mono Output
Stereo Output
Stereo or Dual Mono Output
Stereo or Dual Mono Output
4 Ohm Load or
8 Ohm Load
4 Ohm Load or
8 Ohm Load
4 Ohm Total Load
4 Ohm Total Load
8 Ohm Total Load
8 Ohm Total Load
Two 8 ohm speakers
wired in parallel
equal a 4 ohm load.
Two 4 ohm speakers
wired in series equal
an 8 ohm load.
AMPLIFIED OUTPUT
4/8 ohm
RIGHT
LEFT
STEREO OR DUAL MONO
C
LA
S
S
2
W
IR
IN
G
AMPLIFIED OUTPUT
4/8 ohm
RIGHT
LEFT
STEREO OR DUAL MONO
C
LA
S
S
2
W
IR
IN
G
AMPLIFIED OUTPUT
4/8 ohm
RIGHT
LEFT
STEREO OR DUAL MONO
C
LA
S
S
2
W
IR
IN
G
AMPLIFIED OUTPUT
4/8 ohm
RIGHT
LEFT
STEREO OR DUAL MONO
C
LA
S
S
2
W
IR
IN
G
Mono –
or
Stereo L-
8
ohms
8
ohms
4 ohms
4 ohms
Mono +
or
Stereo L+
Mono –
or
Stereo R-
Mono +
or
Stereo R+
Stereo L–
Stereo L+
Stereo R–
Stereo R+
Mono –
Mono +
Mono –
Mono +
8
ohms
8
ohms
Mono –
or
Stereo L-
Mono +
or
Stereo L+
4 ohms
4 ohms
Mono –
or
Stereo R-
Mono +
or
Stereo R+