Reference Material, cont’d

MLS 406, MLS 406MA audio block diagram

1 LEFT

2 LEFT

CTRL CTRL

Configurable output levels

-10dBV unbalanced

PRELIMINARY

 

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

 

 

 

 

LOUDNESS

BASS & TREBLE

RIGHT

 

AUX

 

+10dB@

+/-10dB@

 

 

 

100Hz/10kHz

100Hz/10kHz

 

+4

LEFT CHN

-10

+

 

AUX/MIX

 

 

+4

 

-10

 

MONO

 

+4

 

-10

RIGHT CHN

+

AUX/MIX +4

-10

 

+4

 

LEFT CHN

-10

 

+

 

 

 

 

AUX/MIX

 

 

 

 

 

+4

 

 

-10

 

 

MONO

 

 

 

+4

 

 

 

-10

 

RIGHT CHN

 

 

 

 

+

 

 

+4

 

AUX/MIX

 

 

 

 

 

 

 

CTRLor

+4dBV balanced

MUX

LINEOUT + - + -

MUX

MUX

PREAMP + - + -

 

 

 

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

-10

 

 

 

100V

 

FILTER

XFMR

70V

 

 

 

 

 

COM

 

 

SWITCH

 

 

 

 

+

POWER

FILTER

 

-

LIMITER

 

 

POWER AMP 4 / 8 ohm

 

CIRCUIT

 

20 WATTS

(continuous)

MLS 406MA only

A-10 MLS 304 Series, MLS 406 Series • Reference Material

Page 58
Image 58
Extron electronic MLS 406SA, MLS 304SA, MLS 304MA manual MLS 406, MLS 406MA audio block diagram, Inputs