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MG124CX/MG124C Owner’s Manual
Specifications
Reference
■ Input Specifications
Where 0 dBu = 0.775 Vrms and 0 dBV= 1 Vrms
* Sensitivity : The lowest level that will produce an output of +4 dB (1.23 V), or the nominal output level when the unit is set to the maximum
level. (All faders and level controls are at their maximum position.)
■ Output Specifications
Where 0 dBu = 0.775 Vrms and 0 dBV= 1 Vrms
* The MG124CX feature is described first, followed by the MG124C feature in brackets: MG124CX (MG124C)
Input Connectors
Gain
Input
Impedance
Appropriate
Impedance
Sensitivity * Nominal Level
Max. before Clip-
ping
Connector Specifica-
tions
CH INPUT MIC
(CHs 1-4)
–60 dB
3kΩ
50–600Ω
Mics
–80 dBu (0.078 mV) –60 dBu (0.775 mV) –40 dBu (7.75 mV)
XLR-3-31 type (bal-
anced [1 = GND, 2
= HOT, 3 = COLD])
–16 dB
–36 dBu (12.3 mV) –16 dBu (123 mV) +4 dBu (1.23 V)
CH INPUT LINE
(CHs 1-4)
–34 dB
10kΩ
600Ω
Lines
–54 dBu (1.55 mV) –34 dBu (15.5 mV) –14 dBu (155 mV)
TRS phone jack
(balanced [Tip =
HOT, Ring = COLD,
Sleeve = GND])
+10 dB
–10 dBu (245 mV) +10 dBu (2.45 V) +30 dBu (24.5 V)
ST CH MIC
INPUT
(CHs 5/6, 7/8)
–60 dB
3kΩ
50–600Ω
Mics
–80 dBu (0.078 mV) –60 dBu (0.775 mV) –40 dBu (7.75 mV)
XLR-3-31 type (bal-
anced [1 = GND, 2
= HOT, 3 = COLD])
–16 dB
–36 dBu (12.3 mV) –16 dBu (123 mV) –6 dBu (389 mV)
ST CH LINE
INPUT
(CHs 5/6, 7/8)
–34 dB
10kΩ
600Ω
Lines
–54 dBu (1.55 mV) –34 dBu (15.5 mV) –14 dBu (155 mV)
Phone jack
(unbalanced)
+10 dB
–10 dBu (245 mV) +10 dBu (2.45 V) +30 dBu (24.5 V)
ST CH INPUT
(CHs 9/10, 11/12)
— 10kΩ
600Ω
Lines
–30 dBu (24.5 mV) –10 dBu (245 mV) +10 dBu (2.45 V)
Phone jack (unbal-
anced)
RCA pin jack
CH INSERT IN
(CHs 1-4)
— 10kΩ
600Ω
Lines
–20 dBu (77.5 mV) 0 dBu (0.775 V) +20 dBu (7.75 V)
TRS phone Jack
(unbalanced [Tip =
Out, Ring = In,
Sleeve = GND])
RETURN (L, R) — 10kΩ
600Ω
Lines
–12 dBu (195 mV) +4 dBu (1.23 V) +24 dBu (12.3 V)
Phone jack
(unbalanced)
2TR IN (L, R) — 10kΩ
600Ω
Lines
–26 dBV (50.1 mV) –10dBV (0.316V) +10dBV (3.16 V)
RCA pin jack
Output Connectors
Output
Impedance
Appropriate
Impedance
Nominal Level
Max. before
clipping
Connector Specifications
STEREO OUT (L, R) 75Ω 600Ω Lines +4dBu (1.23 V) +24 dBu (12.3 V)
XLR-3-32 type (balanced [1 = GND, 2
= HOT, 3 = COLD])
Phone Jack (balanced [Tip = HOT,
Ring = COLD, Sleeve = GND])
GROUP OUT (1, 2) 150Ω 10kΩ Lines +4dBu (1.23 V) +20 dBu (7.75 V)
Phone jack (impedance balanced [Tip
= HOT, Ring = COLD, Sleeve = GND])
EFFECT/AUX
(AUX1, 2*) SEND
150Ω 10kΩ Lines +4dBu (1.23 V) +20 dBu (7.75 V)
Phone jack (impedance balanced [Tip
= HOT, Ring = COLD, Sleeve = GND])
CH INSERT OUT
(CHs 1-4)
75Ω 10kΩ Lines 0 dBu (0.775 V) +20 dBu (7.75 V)
Phone jack (unbalanced [Tip = Out,
Ring = In, Sleeve = GND])
REC OUT (L, R) 600Ω 10kΩ Lines –10 dBV (0.316 V) +10 dBV (3.16 V) RCA pin jack
MONITOR OUT (L, R)
150Ω 10kΩ Lines +4 dBu (1.23 V) +20 dBu (7.75 V)
Phone jack (impedance balanced [Tip
= HOT, Ring = COLD, Sleeve = GND])
PHONES OUT 100Ω 40Ω Phones 3 mW 75 mW Stereo phone jack