Channel Control Block; Mono Input Section; Mono And Stereo Input Section; Stereo Input Section - Yamaha MGP12X Owner's Manual

Controls and Connectors

Channel Control Block

Mono input section

Mono and stereo input section

Stereo input section

Mono
channels
1–8 (MGP16X),
1–4 (MGP12X)
q
e
w
y
u
o
!0
!1
!2
!3
!4
!5
!6
!7
!8
18
MGP16X/MGP12X Owner's Manual
Mono/stereo Stereo
channels channels
9–12 (MGP16X), 13–16 (MGP16X),
5–8 (MGP12X) 9–12 (MGP12X)
q
e
y
o
!0
!1
!2
!3
!4
!5
!6
!7
!8
q +48V switch and indicator
This switch toggles phantom power on and off. When this
switch is turned on (
power to pins 2 and 3 of all XLR input jacks. Turn this switch
on when using one or more phantom-powered condenser
microphones. The indicator lights when it is turned on.
CAUTION
• Be sure to leave this switch off (
phantom power. Humming or damage may result if you
connect to an unbalanced device or to an ungrounded
transformer while this switch is on.
• When turning the switch on, make sure that only a con-
denser microphone is connected to the XLR input jacks.
Devices other than condenser microphones may be
damaged if connected to the phantom power supply.
r
This precaution does not apply to balanced dynamic
microphones, however, as these will not be affected by
t
phantom power.
• To prevent damage to speakers, be sure to turn off power
y
amplifiers (or powered speakers) before turning this
switch on or off. It's also a good idea to turn the mixers
output controls - the STEREO master and GROUP (1-2,
i
3-4) faders - all the way down when turning phantom
power on. Neglect of these precautions may result in
large noise bursts that may damage your equipment,
your ears, or both.
w 26dB (PAD) switch
When this switch is turned on (
o
the MIC/LINE jack of the mono channel is attenuated by
26dB.
Turn this switch off (
or other device with a low input level to the channel. Turn it
on ( ) if you've connected a line-level device.
!0
e
(High Pass Filter) switch
Turning this switch on (
attenuates frequencies below 100Hz in the signal by a slope
!1
of 12dB/octave.
!2
r DUCKER switch
When this switch is turned on (
channels is automatically lowered when a signal exceeding a
!3
certain level is input to the SOURCE channel (MGP16X:
CH8, MGP12X: CH4). You can use this switch, for example,
!4
when you want to have the volume of background music
automatically lowered when making an announcement on the
microphone. For effective use of this switch, see Step 6 on
page 14. The switch lights when it is turned on.
NOTE
!5
You can adjust the attenuation of the Ducker function in the
detailed setting mode (see column on page 21).
!6
!7
!8
), the mixer supplies DC +48V
) if you do not need
), the input signal from
) if you've connected a microphone
) will apply a high-pass filter that
), the volume of the stereo