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Preliminar y, Installation, cont’d – Extron Electronics MLS 406SA User Manual

Page 20

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Installation, cont’d

MLS 304 Series, MLS 406 Series • Installation

2-12

PRELIMINAR

Y

Wiring for a 70 volt or 100 volt distributed speaker system (MA models)

C

The speaker taps should not exceed the amplifier’s maximum power
output.

N

The maximum power output when the MLS is wired for 70 volt or 100 volt
systems is 16 watts.

1.

Flip the toggle switch up to select a distributed 70 V or 100 V system

connection.

2

. Use the appropriate wiring for the load as shown in the following

illustrations.

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

Common

70V

3.7

W

Com.

3.7

W

Com.

3.7

W

Com.

3.7

W

Com.

3.7

W

Com.

3.7

W

Com.

3.7

W

Com.

3.7

W

Com.

7.5

W

Com.

7.5

W

Com.

70V
Speakers

Common

100V

100V
Speakers

4 Speakers Tapped at 3.7 Watts Each Equals 14.8 Watts Total

Common

70V

70V
Speakers

2 Speakers Tapped at 7.5 Watts Each Equals 15 Watts Total

4 Speakers Tapped at 3.7 Watts Each Equals 14.8 Watts Total

C

Do not short the terminals to ground or the amplifier will be damaged.

C

Do not bridge mono outputs. Bridging could damage the amplifier.

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