Extron Electronics MLS 406SA - Manual (Page 19)

2-11 MLS 304 Series, MLS 406 Series • Installation
PRELIMINAR
Y
The MA models’ amplifier power-up delays are approximately
• 10 seconds for 70 V or 100 V output, 8 seconds to hear the relay click
• 8 seconds for 4 ohm or 8 ohm output
Wiring for 4 ohm or 8 ohm speakers (MA models)
The maximum power output when an MLS 304MA or MLS 406MA is wired
for 4 ohm or 8 ohm speakers is 20 watts per channel.
1. Flip the toggle switch down (Direct) to select 4 ohm or 8 ohm connection.
2 . Use the appropriate wiring for the load as shown in the following
illustrations.
Two 8 ohm speakers wired in
parallel equal a 4 ohm load.
4 Ohm Load or
8 Ohm Load
4 Ohm Total Load 4 Ohm Total Load
8 Ohm Total Load
Two 4 ohm speakers wired in
series equal an 8 ohm load.
8 Ohm Total Load
AMPLIFIED OUTPUT 20 WATTS MONO
DIRECT
XFMR
COM 4/8 ohm 100V 70V
AMPLIFIED OUTPUT 20 WATTS MONO
DIRECT
XFMR
COM 4/8 ohm 100V 70V
AMPLIFIED OUTPUT 20 WATTS MONO
DIRECT
XFMR
COM 4/8 ohm 100V 70V
4/8 ohm
4/8 ohm
Mono –
Mono +
Mono –
8
ohms 8
ohms
4 ohms
4 ohms
Mono +
Mono –
4
ohms
Mono +
Mono –
Mono +
4
ohms
4
ohms 4
ohms
Mono –
8
ohms
Mono +
8
ohms
8
ohms 8
ohms