Sony MX-P21 - Sony MX-P21 Audio Mixer Features; Key Features of the MX-P21 Mixer

PRECAUTIONS
On safety
@ Check that the operating voltage of your unit is identical to the
voltage of your local power supply.
For car battery operation, use the car battery cord recommended
for this set.
® Should any liquid or solid object fall into the cabinet, unplug the
unit and have it checked by qualified personnel before operating
it any further.
e Unplug the unit from the wall outlet if it is not to be used for an
extended period of time. To disconnect the cord, pull it out by
grasping the plug. Never pull the cord itself.
On installation
Do not install the unit in a location near heat sources such as
radiators or air ducts, or in a place subject to direct sunlight, ex-
cessive dust, mechanical vibration or shock.
On operation
When the unit is not used, turn the power off to conserve energy
and to extend the useful life of your unit.
On cleaning the cabinet
Clean the cabinet, panel and controls with a soft cloth lightly mois-
tened with mild detergent solution. Do not use any type of abrasive
pad, scouring powder or solvent such as alcohol or benzine.
On repacking
Do not throw away the carton and the packing material. They make
an ideal container to transport the unit in. When shipping the unit
for repair work or to another location, repack it as it was originally
packed at the factory.
If you have any questions about this unit, contact your Sony dealer.
OPERATING VOLTAGE
Before connecting the unit to an ac power source, refer to the serial
plate and check that the operating voltage of your unit is the same
as the local power line voltage.
The USA and Canadian models operate on 120V ac.
The models for other countries operate on either 110-120V or
220-240 V ac. The voltage adaptation must be performed by au-
thorized Sony personnel.
NOTICE FORTHE CUSTOMERS IN THE UNITED KINGDOM
IMPORTANT
The
wires
in
the
mains
lead
are
coloured
in
accordance
with
the
following code:
Blue: Neutral
Brown: Live
As
the
colours
of
the
wires
in
the
mains
lead
of
this
apparatus
may
not
correspond
with
the
coloured
markings
identifying
the
ter-
minals in your plug proceed as follows:
The
wire
which
is
coloured
blue
must
be
connected
to
the
terminal
which is marked with the letter N or coloured black.
The
wire
which
is
coloured
brown
must
be
connected
to
the
ter-
minal which is marked with the letter L or coloured red.
MX-P21
MX-P21 |
FUNCTION OF PARTS AND CONTROLS
POWER AND INPUT SECTIONS
@ MIC INPUT 1-8 (microphone input) connectors
(CANNON XLR-3-31 type) ;
For microphones. Pin arrangement
1: GND 2: hot 3: cold
© +48V (microphone power supply) switches
Set to ON to supply 48V dc, 7mA (max) to phantom powered
condenser microphones connected to the corresponding MIC
INPUT connectors.
© LINE/PHONO INPUT 1-6 jacks (phono jacks)
Accept line-out signals from tape decks and amplifiers, or
phonoout signals from record players equipped with moving-
magnet type cartridges.
@ LINE INPUT 7/8 jacks (phono jacks)
Accept line-out signals from a tape deck or an amplifier.
© Ground terminal
When connected audio equippment such as a record player re-
quires earth connection to reduce hum or other undesirable
noise, connect its ground wire to this terminal.
© SUB INPUT jacks (phono jacks)
Accept auxiliary input signais such as those from an echo
machine. |
@ FADER REMOTE 3/4 jacks (phono jacks)
By sliding up the channel faders of channel 3 and 4 from the
minimum (0) position, these jacks will be short-circuited to
switch on audio equipment connected via an appropriate inter-
face unit.
The permitted current to be supplied to these jacks is max.2mA.
© DC IN +12V (DC power supply) jack
To power this unit from a 12V car battery. For connection, use
the optional DCC-16A, DCC-16AE or DCC-16AW car battery cord.
to a cigarette
lighter socket
of a car
ex. DCC-16A
Note: Use only the recommended car battery cord manufactured
by Sony. Polarity of the plugs of other manufacturers may be dif-
ferent.
A
Polarity of the plug of the
Sony car battery cord
©
AC
IN
(AC
power
supply)
socket
@®
Channel
faders
Connect
with
the
supplied
ac
power
cord
to
an
ac
power
source.
Adjust
the
signal
level
of
each
channel
going
to
the
line
outputs
The
USA
and
Canadian
models
are
equipped
with
a
3-pin
socket
for
proper
balance.
The
position
7
(the
thick
line)
indicates
the
and the
modeis
for
other
countries
are
equipped
with
a
2-pin
reference
level.
socket.
For
the
customers
of
the
model
supplied
with
the
ac
plug
adap-
@
SUB
IN
1/2
LEVEL
controls
tor:
Adjust
the
signal
levels
from
SUB
INPUT
1
or
2
jack
@
respec-
If
the
plug
of
the
ac
power
cord
does
not
match
with
the
outlet,
tively.
use the ac plug adaptor.
@ SUB IN 1/2 PAN knobs
Position the sound image of SUB INPUT 1 or 2 in the desired
place between the output L and R channels.
@® POWER switch and pilot lamps
Depress the switch to turn on the unit.
When ac power is supplied, the AC pilot lamp will light.
When dc power is supplied, the DC lamp will light.
@ If both ac and dc power supplies are connected, the both the
AC and DC tamps will light.
OUTPUT SECTION
@ LINE OUT LIR (line output) connectors
(CANNON XLR-3-32 type)
® PEAK indicators Feed out the mixed line output signals (balanced).
Light up if the corresponding input signals level is within 5dB of
the
clipping
level.
Pin
arrangement
1: GND 2: hot 3: cold
@
INPUT
SELECT
switches
To
remove
Select the input sources. The switches of channels 1 to 6 have press here.
three positions; LINE, MIC, PHONO and the switches of chan- WV oO
nets 7 and 8 have two; LINE, MIC. iS
® MIC (microphone gain) controls
Reduce excessive microphone input level and prevent distortion.
Adjust these controls so that the proper level can be obtained
when each corresponding fader is set at 7".
@ LINE LIR (line output) jacks (phono jacks)
Turn the controls counterclockwise when the corresponding Feed out the same signals (unbalanced, however) as the
PEAK indicators light up. CANNON type connectors @.
@ LCF (low-cut filter) switches @ AUX 1/2 (auxiliary output) jacks (phono jacks)
When the switches are depressed, input signals below 120Hz — Each supplies monaural output signals independently of the line
are attenuated at a 12dB/octave rate. outputs @@. Connect to an echo machine or a power amplifier
to drive a foid-back speaker.
® EQ (equalization) switches and controls
When the EQ switches are depressed, the input signals pass @ TB ( talk-back output) jack (phono jack)
through the equalizer circuits. Adjust the controls to equalize While the TB OUT button of the TALK BACK buttons @ is de-
the sound sources. The Hi controls are for the high-frequency — pressed, the signal from the built-in microphone is fed to this
range around 10kHz, the MID controls are for the middle- jack.
‘frequency range around 2.8kHz and the LOW controls are for the
low-frequency range around 100 Hz. @ CASCADE IN/OUT connectors (8-pin DIN connectors)
For connecting two or more MX-P21 units in parallel to increase
® AUX 1/2 (auxiliary output level) controls the number of inputs.
Ajust the signals level of each channel going to the auxiliary out-
puts 1 or 2 respectively. Pin arrangement 1: AUX-1 5: PFL control
S72 2: GND 6: LINEL
® PRE (pre-fader) switches (Soe) 3: AUX-2 7: LINER
When the switches are depressed, the pre-fader signals of the y969 4: PFL audio 8: GND
corresponding channels can be fed to the auxiliary output 1. .
These are especially useful when the auxiliary output 1 is used Connection
8 inputs 8 inputs
for a fold-back speaker.
@® PAN POT knobs
These permit panning of the incoming signals between the out-
put Land R channels. The center click positions place the sound
images in the center.
CASCADE CASCADE
OUT IN
8-pin shielded cable
(max. 1m long)
Cc ist mixer 2nd mixer
The image v(; »y The image
moves to moves to
the left. e © ight.
C R the right
LINE OUT