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Preliminar y, Reference material, cont’d, Audio block diagrams – Extron Electronics MLS 406SA User Manual

Page 56: Mls 0ma audio block diagram, Audio block diagram for mls 304ma.eps

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Reference Material, cont’d

MLS 304 Series, MLS 406 Series • Reference Material

A-

PRELIMINAR

Y

Audio Block Diagrams

MLS 0MA audio block diagram

IN

P

U

T

S

E

L

E

C

T

(L

E

F

T

C

H

A

N

N

E

L

)

IN

P

U

T

S

E

L

E

C

T

(R

IG

H

T

C

H

A

N

N

E

L

)

MUX

+4

+4

-10

-10

MUX

+4

+4

-10

-10

+ -

+ -

+ -

MUX

+4

+4

-10

-10

MUX

+4

+4

-10

-10

+ - + -

+10dB@

100Hz/10kHz

+/-10dB@

100Hz/10kHz

LEFT

LEFT

LEFT

LEFT

CTRL

CTRL

RIGHT

RIGHT

RIGHT

RIGHT

LOUDNESS

LOUDNESS

BASS & TREBLE

VOLUME

AUX/MIX

(Balance/Unbalance)

BASS & TREBLE

PREAMP

LINEOUT

VOLUME

CONTROL

100V

70V

COM

SETUP MODE

USER MODE

MAX/

CLIP

MID/

NORM

MIN/

SIGNAL

+V

RED

GREEN

GREEN

SWITCH

XFMR

POWER

LIMITER
CIRCUIT

POWER AMP

20 WATTS

(continuous)

LED

MODE

SWITCH

VOLUME

POSITION

CTRL

Gain/Attenuation:

-42dB to +24dB

Configurable output levels

-10dBV unbalanced

or

+4dBV balanced

LEFT CHN

+

AUX/MIX

LEFT

AUX

LEFT CHN

+

AUX/MIX

RIGHT CHN

+

AUX/MIX

CTRL

CTRL

CTRL

1

2

3

4

1

2

3

4

MONO

RIGHT CHN

+

AUX/MIX

MONO

LEFT

AUX

RIGHT

AUX

FILTER

User Mode: Volume Level Indicator
Set Up Mode: Input Level Indicator

RIGHT

AUX

Audio Block Diagram for MLS 304MA.eps

SWITCHABLE INPUTS

Gain/Attenuation:

-42dB to +24dB

4 / 8 ohm

+

-

FILTER

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