Filter
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MDR1248
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.
PRODUCT SPECIFICATION SHEET
SERIES DESCRIPTION CATEGORY
MDR MIXERS 12-CHANNEL MIXER WITH DSP MIXERS
2
1
3
N I C I M
V 8 4 +
( Q E R F + Q E D N A B - 3 ) K 8 ~ 0 0 1
K 2 1 0 0 1 0 8
S S A P I H
2
1
3
T U C O L
K A E P
LEFT-BUS
RIGHT-BUS
AUX-1
AUX-2
S U B - T H G I R
S U B - T F E L
1 - X U A
2 - X U A
N I O E R E T S - 5 ( S L E N N A H C T U P 8 4 2 1 R D M R O F ) 2 1
Q E
K 2 1 0 0 5 0 8
S U B - T F E L
S U B - T H G I R
1 - X U A
2 - X U A
S U B - T F E L
S U B - T H G I R
2 N R U T E R X U A O E R E T S
2
1
3
1 - X U A O T X F E
2
1
3
S U B - T H G I R
S U B - T F E L
1 - X U A
1 - X U A
1 - X U A
D N E S X U A
2 - X U A
T U O N I A M
S U B - T F E L
S U B - T H G I R
X I M O T K T 2
S U B - T H G I R
S U B - T F E L
N I E P A T
T H G I R
K T 2
K T 2
T U P T U O S E N O H P
R E T E M T F E L
R E T E M T H G I R
z H 5 7
b d 5 1 - / +
c 3
e 5
a 1
d 4
b 2
T F E L
c 3
e 5
a 1
d 4
b 2
T H G I R
L E V E L X I M N I A M
1 D N E S X U A
T
R
S
2 D N E S X U A
T
R
S
T F E L X I M N I A M
T
R
S
T H G I R X I M N I A M
T
R
S
T U P T U O M O O R L O R T N O C
T F E L
T
R
S
T H G I R
T
R
S
S E N O H P
T
R
S
S E N O H P &
M O O R L O R T N O C
T F E L
T U O E P A T
2
1
3
2
1
3
P S D / 2 X U A
1 N R U T E R X U A O E R E T S
c 3
e 5
a 1
d 4
b 2
) O N O M ( T F E L
c 3
e 5
a 1
d 4
b 2
T H G I R
N R U T E R 1 X U A
T
R
S
N R
N T
T
R
S
N R
N T
T
R
S
N R
N T
T
R
S
N R
N T
N A P
M O T N A H P
N I E N I L
N I A G
-
+
R E W O P
Q E R F D I M I H
1 X U A
2 X U A
L E V E L
T S O P
E R P
E C N A L A B
1 X U A
2 X U A
L E V E L
K A E P
c 3
e 5
a 1
d 4
b 2
) O N O M ( T F E L
c 3
e 5
a 1
d 4
b 2
T H G I R
T
R
S
N R
N T
T
R
S
N R
N T
-
+
-
+
B d 0 4 ~ 0 : N I A G C I M
B d 5 2 - ~ B d 5 1 + : M I R T N I E N I L
AFL-L
AFL-R
SOLO(PFL)
O L O S
N O
) (
L - L F A
R - L F A
) L F P ( O L O S
O L O S
N O
) (
L - L F A
R - L F A
) L F P ( O L O S
EFX SEND
LEFT-BUS
RIGHT-BUS
AUX-1
AUX-2
AFL L
AFL R
SOLO(PFL)
EFX SEND
L L F A
R L F A
) L F P ( O L O S
D E L L F P
LOGIC
L R T C O L O S
E V I T C A O L O S
) T E S L E V E L (
N R U T E R
E D O M O L O S
L F P
) (
L F A
) (
c 3
e 5
a 1
d 4
b 2
T R E S N I
T
R
S
N R
N T
ALT-3(L)
ALT-4(R)
ALT-3(L)
ALT-4(R)
4 - T L A
3 - T L A
4 - T L A
3 - T L A
1 X U A
L E V E L
2 X U A
L E V E L
) L ( 3 - T L A
) R ( 4 - T L A
4 - 3 T L A
L E V E L
T U O 4 - 3 T L A
) L ( 3 - T L A
T
R
S
) R ( 4 - T L A
T
R
S
X I M O T 4 - 3 T L A
S U B - T H G I R
S U B - T F E L
4 - 3 T L A
X I M N I A M
E C R U O S M O O R L O R T N O C
T L A / N I A M
T L A / N I A M
1
2
1
2
T S O P
E R P
1 2
1 2
T S O P
E R P
T S O P
E R P
K T 2
T H G I R
T F E L
LOGIC
O L
K 8
I
Q E D N A B - 4
K 2 1 0 0 5 0 8
b d 5 1 - / +
O L - D I M D I M - I H
I H
O L
K 3
K 3
) v B d 0 1 - / u B d 4 + L E V E L (
D E L 4 - 3 T L A / E T U M
D E L 4 - 3 T L A / E T U M
L E V E L K T 2
L E V E L X I M N I A M
) T F E L (
) T H G I R (
D R A O B P S D
S T E S E R P
S N O I T A I R A V
E T U M
H C T I W S T O O F P S D
L - N T R X F E
R - N T R X F E
-
+
-
+
-
+
-
+
N I O E R E T S - 9 ( S L E N N A H C T U P 8 8 6 1 R D M R O F ) 6 1
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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