Samson specifications MDR1248-12channel mixer Specifications, Mdr Mixers, Channelmixer With Dsp

PRODUCT SPECIFICATION SHEET

SERIES	DESCRIPTION
MDR MIXERS	12-CHANNEL MIXER WITH DSP

control. There shall be an aux 2 master send level and aux 2 stereo return on 1⁄4 inch jacks with level control and switch to apply the aux 2 signal to the aux 1 mix. There shall be a stereo headphone output on 1⁄4 inch TRS jack. There shall be a 24 bit internal effects unit with 256 presets, peak LED, and DSP mute. The mixer shall have a power on/off switch and a phantom power switch on the rear panel. The mixer shall have an external power supply.

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	CATEGORY	MDR1248
	MIXERS
MDR1248-12 channel mixer Specifications
Frequency Response		10 Hz to 45 kHz, +/-0.4 dB
Distortion (THD&N)		0.05% at +4 dBu, 1 kHz
Gain Range		0 dB to +40 dB (MIC)
Signal to Noise Ratio (SNR)		105 dB
Line Input		Electronically balanced
Sensitivity Range		-10 dBu to +30 dBu
Stereo Input Channels		Balanced Line Input
Distortion (THD&N)		0.005% at +4 dBu, 1 kHz
Max Output		+22 dBu balanced XLR
Dimensions (W × D × H)		16˝ × 12.3˝ × 2.6˝
		405mm × 313mm × 65mm
Weight		9.79 lbs • 4.45kg

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								MUTE/ALT3-4 LED
			GAIN		LO	FREQ MID	HI
PHANTOM
								MAIN/ALT
POWER									LEFT-BUS
+48V							LEVEL	PAN	ALT-3
	2				80	100	12K
		+	1 LO CUT						RIGHT-BUS
MIC IN	3			2		I
	1		3			8K			ALT-4
		-			3-BAND EQ+FREQ(100~8K)
						+/-15db
LINE IN			75Hz						AFL-L
			HI PASS
			3c	R					AFL-R
			4d	RN
MIC GAIN:0~40dB			2b	TN
			1a	T
LINE IN TRIM:+15dB~-25dB			5e	S					SOLO(PFL)
			INSERT

AUX2

SOLO

PEAK

1 POST 2

(

ON)

AUX-2

1

PRE

2

POST

AUX1

AUX-1

PRE

LO MID-LO HI-MID HI

MUTE/ALT3-4 LED

STEREO INPUT CHANNELS (5-12) FOR MDR1248

STEREO INPUT CHANNELS (9-16) FOR MDR1688

LEVEL

3c

R

BALANCE

MAIN/ALT

-

80

500

3K 12K

LEFT-BUS

4d

RN

2b

TN

+

4-BAND EQ

1a

T

+/-15db

ALT-3

5e

S

RIGHT-BUS

LEFT(MONO)

3c

R

-

ALT-4

4d

RN

80

500

3K 12K

2b

TN

1a

T

+

EQ

5e

S

RIGHT

AFL-L

(LEVEL +4dBu/-10dBv)

AFL-R

SOLO(PFL)

PEAK

1

2

SOLO

POST

(

ON)

1

PRE

2

AUX2

AUX-2

POST

AUX1

AUX-1

PRE

STEREO AUX RETURN 1

AUX1 RETURN

3c

R

-

LEFT-BUS

4d

RN

2b

TN

+

1a

T

5e

S

LEFT(MONO)

3c

R

-

4d

RN

RIGHT-BUS

2b

TN

1a

T

+

5e

S

RIGHT

LEFT-BUS RIGHT-BUS ALT-3(L) ALT-4(R) AUX-1 AUX-2 AFL-L AFL-R SOLO(PFL) EFX SEND LOGIC

	AUX1			AUX SEND	2TK TAPE OUT
	LEVEL			R
AUX-1				T	LEFT
				S
	AUX2			AUX SEND1
	LEVEL			R	RIGHT
AUX-2
				T
				S
				AUX SEND2
	MAIN MIX LEVEL				MAIN OUT
	(LEFT)				R
LEFT-BUS					T
					S
					2
					3
					1
	MAIN MIX LEVEL				MAIN MIX LEFT
	(RIGHT)				R
RIGHT-BUS					T
					S
					2
					3
	ALT3-4				1
	LEVEL				MAIN MIX RIGHT
ALT-3(L)					ALT 3-4 OUT
					R
					T
					S
					ALT-3(L)
ALT-4(R)					R
ALT 3-4 TO MIX					T
					S
LEFT-BUS					ALT-4(R)
RIGHT-BUS			2TK LEVEL		2TK TAPE IN
					LEFT
2TK TO MIX
LEFT-BUS
					RIGHT
RIGHT-BUS
	ALT 3-4	2TK	CONTROL ROOM SOURCE
			MAIN MIX
					SOLO ACTIVE
SOLO CTRL
AFL L
					LEFT METER
AFL R
PFL LED	SOLO MODE				RIGHT METER

STEREO AUX RETURN 2

3c	R	-
4d	RN
2b	TN	+
1a	T
5e	S
LEFT
3c	R	-
4d	RN
2b	TN
1a	T	+
5e	S
RIGHT
		EFXRTN-L
		EFXRTN-R
		PRESETS

VARIATIONS

MUTE

DSP FOOTSWITCH

AUX2 / DSP		EFX TO AUX-1
RETURN
	2		1	LEFT-BUS
			3	AUX-1
	2		1	RIGHT-BUS
			3	AUX-1

DSP BOARD

SOLO(PFL)	(LEVEL SET)	( AFL )
		( PFL )
			PHONES OUTPUT
			R
			T	PHONES
			S
			CONTROL ROOM OUTPUT
			R
			T	LEFT
			S
			R	RIGHT
			T
		CONTROL ROOM	S
		& PHONES

LOGIC

EFX SEND

SOLO(PFL)

AFL R

AFL L

AUX-2

AUX-1

ALT-4(R)

ALT-3(L)

RIGHT-BUS

LEFT-BUS