MLS 406SA audio block diagram

CTRL CTRL

 

1

LEFT

 

 

 

 

2

LEFT

 

 

 

 

3

LEFT

SELECTINPUT

CHANNEL)(LEFT

 

 

 

 

 

 

+ -

+ -

 

 

LEFT

 

 

 

AUX

 

4

 

 

 

 

 

 

 

 

 

5

LEFT

 

 

 

INPUTS

 

 

 

 

6

LEFT

 

 

 

SWITCHABLE

 

 

 

 

 

 

Gain/Attenuation:

 

 

 

 

 

 

 

 

 

 

-42dB to +24dB

 

 

 

1

RIGHT

 

 

 

 

 

 

 

 

 

2

RIGHT

 

 

 

 

 

SELECTINPUT

(RIGHTCHANNEL)

 

 

3

RIGHT

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

RIGHT

 

+ -

+ -

 

 

AUX

 

4

 

 

 

 

5 RIGHT

6

RIGHT

 

 

 

 

 

AUX/MIX (Balance/Unbalance)

Gain/Attenuation:

 

 

-42dB to +24dB

 

 

+ -

 

 

 

 

 

 

 

 

VOLUME

 

CTRL

CTRL

 

 

LOUDNESS

BASS & TREBLE

LEFT

 

AUX

 

 

 

 

 

 

RIGHT

 

+4

LEFT CHN

-10

+

AUX/MIX

+4 -10

MONO

+4 -10

RIGHT CHN

+

AUX/MIX+4

-10

 

 

STEREO

 

 

OR

 

 

MONO

 

 

CTRL

LEFT CHN

 

 

 

 

+4

 

 

 

 

 

 

 

-10

+

 

MUX

 

AUX/MIX

 

 

 

 

 

 

MONO

 

 

Configurable output levels

-10dBV unbalanced

CTRLor

+4dBV balanced

MUX

LINEOUT + - + -

MUX

MUX

PREAMP + - + -

PRELIMINARY

LOUDNESS

BASS & TREBLE

AUX

+10dB@

+/-10dB@

 

100Hz/10kHz

100Hz/10kHz

 

 

MONO

 

 

RIGHT CHN

 

 

 

+

MUX

+4

MUX

AUX/MIX

 

 

 

 

 

 

 

-10

 

 

 

 

VOLUME

 

 

 

CONTROL

User Mode: Volume Level Indicator

 

Set Up Mode: Input Level Indicator

 

 

MAX/

+V

 

 

 

 

 

CLIP

 

CTRL

 

 

 

RED

MID/

 

LED

 

NORM

 

 

 

MODE

 

 

 

GREEN

MIN/

 

SWITCH

 

 

 

SIGNAL

 

 

 

GREEN

 

 

VOLUME

POSITION

USER MODE

SETUP MODE

RIGHT

POWER

LIMITER

CIRCUIT

LEFT

POWER AMP

DIRECT (4 ohm) - 12 WATTS PER CHANNEL

(continuous)

DIRECT (8 ohm) - 8 WATTS PER CHANNEL

(continuous)

 

 

 

FILTER

 

 

 

 

 

 

+

 

 

RIGHT OR MONO

 

 

 

 

 

 

 

 

 

 

 

 

FILTER

 

 

 

 

 

-

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

4 / 8 ohm

 

 

 

 

 

 

STEREO (DEFAULT)

 

 

 

 

 

OR DUAL MONO OUTPUT

 

 

 

 

 

 

 

 

+

 

 

 

 

 

 

FILTER

 

 

 

 

LEFT OR MONO

 

 

 

FILTER

 

 

 

-

 

 

 

Note: Output terminal should not be bridged or shorted.

MLS 304 Series, MLS 406 Series • Reference Material A-11

Page 59
Image 59
Extron electronic MLS 406MA manual MLS 406SA audio block diagram, MLS 304 Series, MLS 406 Series Reference Material A-11