MG124CX/MG124C Owner’s Manual 67
Reference
Specifications

■Electrical Specifications

■General Specifications

All faders are nominal if not specified.
Output impedance of signal generator: 150 ohms
* The MG124CX feature is described first, followed by the MG124C feature in brackets: MG124CX (MG124C)
MIN TYP
MAX

UNIT

Frequency Response STEREO OUT GAIN: min (CHs 1-7/8)
20 Hz-20 kHz
Nominal output level @1 kHz
Input: CHs 1 to 11/12, RETURN, 2TR IN –3.0 0.0 1.0 dB
GROUP OUT
EFFECT/AUX
(AUX1, 2*) SEND

MONITOR OUT, REC OUT

Total Harmonic Distortion
(THD + N)
STEREO OUT +14 dBu @ 20 Hz-20 kHz, Input GAIN Control at
minimum 0.1 %
Hum & Noise
Hum & Noise are measured
with a 6 dB/octave filter @
12.7 kHz; equivalent to a 20
kHz filter with infinite
dB/octave attenuation.
CH INPUT 1-4 MIC EIN (Equivalent Input Noise): Rs = 150 Ω, GAIN:
maximum
–128
dBu
STEREO OUT STEREO OUT, GROUP Master fader at nominal
level and all channels’ ST and 1-2 switches off. –88
GROUP OUT
EFFECT/AUX
(AUX1, 2*) SEND

Master EFFECT/AUX (AUX1, 2) control at nominal level

and all CH EFFECT/AUX (AUX1, 2) controls at minimum.

–81
STEREO OUT STEREO OUT, GROUP Master fader and one CH
fader at nominal level. –64
GROUP OUT
STEREO OUT Residual Output Noise –98
Crosstalk (1 kHz) Adjacent Input CHs 1-4 –70 dB
Input to Output

STEREO L/R, CHs 1-4, PAN: panned hard left or right

–70
Maximum voltage gain (1 kHz)
All faders and controls are
maximum when measured.
PAN/BAL: panned hard left
or hard right
Rs = 150 Ω
INPUT GAIN: maximum
MIC to CH INSERT OUT 60
dB
MIC to STEREO OUT 84
MIC to GROUP OUT
MIC to GROUP to ST 94
MIC to REC OUT 62.2
MIC to MONITOR OUT, ST TO MONITOR 94
MIC to PHONES OUT 83
MIC to AUX (AUX1*) SEND PRE 76
MIC to AUX (AUX1*) SEND POST, EFFECT
(AUX2*) SEND 86
CH 5/6, 7/8 LINE to STEREO OUT 58
CH 5/6, 7/8 LINE to GROUP OUT
CH 5/6, 7/8 AUX (AUX1*) SEND PRE 47
CH 5/6, 7/8 LINE to AUX (AUX1*) SEND POST,
EFFECT (AUX2*) SEND 57
CH 9/10, 11/12 to STEREO OUT 34
CH 9/10, 11/12 to GROUP OUT
Rs = 150 ΩRETURN to STEREO OUT 16
RETURN to EFFECT (AUX2*) SEND 9
Rs = 600 Ω2TR IN to STEREO OUT 27.8
Phantom Voltage MIC no load 48 V
Input HPF CHs 1-7/8, 80 Hz, 12 dB/oct
Input equalization
±15 dB maximum
Turn over/roll-off frequency
of shelving: 3 dB blow maxi-
mum variable level.
CHs 1-7/8 HIGH: 10 kHz (shelving)
MID: 2.5 kHz (peaking)
LOW: 100 Hz (shelving)
CH 9/10-11/12 HIGH: 10 kHz (shelving)
LOW: 100 Hz (shelving)
PEAK Indicator Red LED turns on when post EQ signal (either post MIC HA or post EQ signal
for CHs 5/6, 7/8) reaches –3 dB below clipping (+17 dBu).
Internal Digital Effect* 16 PROGRAM, PARAMETER control
Foot Switch (Digital Effect On/Off)
LED Level Meter Pre MONITOR Level
2x12 points LED meter (PEAK, +10, +6, +3, 0, –3, –6, –10, –15, –20, –25, –30 dB)
PEAK lights if the signal level reaches 3 dB below the clipping level.
Power Supply Adaptor PA-20 AC 35 VCT, 0.94 A, Cable Length = 3.6 m
Power Consumption 30 W
Dimensions (W x H x D) 346.2 mm x 86.1 mm x 436.6 mm
Net Weight 3.2 kg (MG124CX), 3 kg (MG124C)