Input Specifications; Output Specifications - Yamaha MG12/4FX Service Manual

MG12/4FX
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3 7 63 1515 0

■Input Specifications

Input Connector
MIC INPUT
(CHs 1 to 4)
LINE INPUT
(CHs 1 to 4)
ST CH MIC INPUT
(CH5(L)/CH6(R),
CH7(L)/CH8(R))
ST CH LINE INPUT
(CH5(L)/CH6(R),
CH7(L)/CH8(R))
ST CH INPUT
(CH9(L)/CH10(R),
CH11(L)/CH12(R))
CH INSERT IN
(CHs 1 to 4)
RETURN (L, R)
2TR IN (L, R)
Where 0 dBu = 0.775 V and 0 dBV= 1 V
TE
* Input sensitivity: the lowest level that will produce the nominal output level when the unit is set to maximum gain.
L 13942296513

■Output Specifications

Output Connectors Output Impedance
ST OUT (L, R) 150 Ω
GROUP OUT (1-2)
150 Ω
AUX SEND
EFFECT SEND
CH INSERT OUT
150 Ω
(CHs 1 to 4)
REC OUT (L, R) 600 Ω
C-R OUT (L, R) 150 Ω
PHONES 100 Ω
Where 0 dBu = 0.775 V and 0 dBV= 1 V
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Input Appropriate
Gain
Impedance Impedance
-60
50-600 Ω
3kΩ
-16
-34
600 Ω line
10kΩ
+10
-60
3kΩ 50-600 Ωmic
-16
-34
600 Ω line
10kΩ
+10
10kΩ 600 Ω line
600 Ω line
10kΩ
10kΩ 600 Ω line
600 Ω line
10kΩ
Appropriate
Impedance
600 Ω line +4 dBu (1.23 V)
10 k Ω line +4 dBu (1.23 V)
10 k Ω line 0 dBu (0.775 V)
10 k Ω line -10 dBV (316 mV)
10 k Ω line +4 dBu (1.23 V)
40 Ω phone 3 mW
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Nominal
Sensitivity*
Level
-80 dBu -60 dBu
(0.078 mV) (0.775 mV)
-36 dBu -16 dBu
(12.3 mV) (123 mV)
-54 dBu -34 dBu
(1.55 mV) (15.5 mV)
-10 dBu +10 dBu
(245 mV) (2.45 V)
-80 dBu -60 dBu
(0.078 mV) (0.775 mV)
-36 dBu -16 dBu
(12.3 mV) (123 mV)
-54 dBu -34 dBu
(1.55 mV) (15.5 mV)
-10 dBu +10 dBu
(245 mV) (2.45 V)
-30 dBu -10 dBu
(24.5 mV) (245 mV)
-20 dBu 0 dBu
(77.5 mV) (0.775 V)
-12 dBu +4 dBu
(195 mV) (1.23 V)
-26 dBV -10 dBV
(50.1 mV) (316 mV)
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Max. Before
Nominal Level
Clipping
+24 dBu (12.3 V)
+20 dBu (7.75 V)
+20 dBu (7.75 V)
+10 dBV (3.16 V)
+20 dBu (7.75 V)
75 mW
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Max. Before
Connector
Clipping
Specifications
-40 dBu
(7.75 mV)
XLR-3-31 type
(balanced)
+4 dBu
(1.23 V)
-14 dBu
Phone jack (TRS)
(155 mV)
(balanced [T: hot;
R: cold;
+30 dBu
S: ground])
(24.5 V)
-40 dBu
(7.75 mV)
XLR-3-31 type
(balanced)
-10 dBu
(245 mV)
-14 dBu
(155 mV)
Phone jack
(unbalanced)
+30 dBu
(24.5 V)
Phone jack
+10 dBu
(unbalanced);
(2.45 V)
RCA pin jack
Phone jack (TRS)
+20 dBu (unbalanced
(7.75 V) [T: out; R: in;
S: ground])
+24 dBu Phone jack
(12.3 V) (unbalanced)
+10 dBV
RCA pin jack
(3.16 V)
0 5 8 2 9 9 4 2 8
Connector Specifications
XLR-3-32 type (balanced)
Phone jack (TRS)
(balanced [T: hot; R: cold;
S: ground])
Phone jack (TRS)
(impedance balanced
[T: hot; R: cold; S: ground])
Phone jack (TRS)
(unbalanced [T: out; R: in;
S: ground])
RCA pin jack
Phone jack (TRS)
(impedance balanced
[T: hot; R: cold; S: ground])
Stereo phone jack
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