Extron electronic MLS 304SA, MLS 406 manual Audio Block Diagrams, MLS 304MA audio block diagram

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Reference Material, cont’d

Audio Block Diagrams

MLS 304MA audio block diagram

CTRL

CTRL

1	LEFT
					Configurable output levels
	CTLESEUTINP	)			-10dBV unbalanced
		NELCHANFT(LE		CTRL	or
2	LEFT
					+4dBV balanced
		LEFT		+4
		AUX	LEFT CHN
3	LEFT			-10
			+
			AUX/MIX	MUX

INPUTS

+4

LINEOUT

4

LEFT

+ -

+ -

-10

SWITCHABLE

Gain/Attenuation:

MONO

-42dB to +24dB

CTLESEUTINP L)ANNECH(RIGHT

+4

1

RIGHT

-10

RIGHT CHN

MUX

2

RIGHT

+

+4

AUX/MIX

RIGHT

AUX

-10

3

RIGHT

4

RIGHT

AUX/MIX

(Balance/Unbalance)

Gain/Attenuation:

AUX/MIX

MUX

-42dB to +24dB

+4

+ -

LEFT CHN

-10

+

VOLUME

+4

PREAMP

CTRL

CTRL

+ -

+

-

LOUDNESS

BASS & TREBLE

LEFT

-10

AUX

MONO

LOUDNESS

BASS & TREBLE

RIGHT

+4

AUX

+10dB@

+/-10dB@

-10

100Hz/10kHz

100Hz/10kHz

RIGHT CHN

MUX

+

+4

AUX/MIX

VOLUME

-10

CONTROL

User Mode: Volume Level Indicator

VOLUME

100V

Set Up Mode: Input Level Indicator

FILTER

XFMR

70V

POSITION

MAX/

+V

COM

CLIP

CTRL

SWITCH

RED

MID/

LED

USER MODE

+

NORM

FILTER

MODE

POWER

-

SWITCH

SETUP MODE

LIMITER

GREEN

MIN/

4 / 8 ohm

CIRCUIT

POWER AMP

SIGNAL

20 WATTS

GREEN

(continuous)

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