Power Amplifier Input Jack
(PWR
AMP)
The PWR Amp input jack allows
the internal power amplifier to
be used with external equip-
ment. When a plug is inserted,
the power amp is automatically
disconnected from the MX-106R
mixer section. The nominal in-
put level is +4dB with an input
impedance of 10k ohms.
Program Output Jack
(PGM
OUT)
The PGM Out jack is provided
for connection to external equal-
izers and/or power amps, deriv-
ing its signal prior to the internal
GEQ and power amp. Nominal
output level is +4dB with an
impedance of 600 ohms.
Effects Output Jack (EFF OUT)
The EFF Out jack used in con-
junction with the EFF/RET Jack
allows use of an external effects
device in place of the internal
reverberation unit. The effects
out jack should be connected to
the input of the external effect
unit. Nominal output level is
–10dB with an impedance of 600
ohms.
Effects Return Jack (EFF/RET)
The EFF/RET jack is provided to
connect an external effects
device to the MX-106R. When a
plug is inserted the internal
reverberation unit is automati-
cally switched out of the MX-
106R circuitry, being replaced
by the external unit. This jack
should be connected to the out-
put of the external effects unit.
Nominal input level is –20dB
with an impedance of 50k ohms.
Graphic Equalizer Input Jack
(GEQ)
The GEQ input jack allows the
graphic equalizer to be used in-
dependently of the MX-106R
with other external equipment,
or the internal power amplifier
and the graphic equalizer with
external equipment. When a
plug is inserted, the main mix
from the program buss is discon-
nected from the graphic equal-
izer and the power amplifier.
The nominal input level is +4dB
with an input impedance of 50k
ohms.
Graphic Equalizer Output Jack
(GEQ
OUT)
This jack allows the MX-106R
and the internal graphic equal-
izer to be used with an external
power amplifier, or in conjunc-
tion with the GEQ in jack, to be
used independently of all other
MX-106R circuitry. Nominal
output level is +4dB with an
impedance of 600 ohms
Foldback Output Jack
(FB
OUT)
This jack is for connection to
external power amplifiers and/
or equalizers for the on-stage
monitoring system. Nominal
output level is +4dB with an
impedance of 600 ohms. If the
internal power amp and equal-
izer are to be used for the on-
stage monitor system, the FB
output should be connected to
the GEQ input jack.
AUX 1, AUX 2 Input Jack
(AUX
1, AUX 2)
–20dB 10k
Program Buss Link Jack
(PGM) (+4dB 22k
Fold Back Buss Link (FB)
(+4dB 22k
Reverb/Effects Buss Link Jack
(EFF) +4dB 22k
Buss Link Jacks
The buss link provides direct
access to the PGM, FB, and ef-
fects mixing busses, and is pro-
vided for easy input expansion
with additional MX-106R units
or other auxiliary equipment.
All jacks have an input level of
+4dB with an impedance of 22k
ohms.
Recording Output Jack
(REC
OUT)
The Rec Out jack obtains its
signal prior to the program
master output, and is intended
for connection to external
recording equipment. Nominal
output level is –10dB with an
impedance of 1k ohms.
Power Switch (POWER)
The power switch is a three-
position type with the middle
position being the "off" position.
The MX-106R should be operat-
ed in the switch position which
produces the lowest amount of
system hum.
Speaker Jacks (SPEAKERS)
The speaker outputs are stand-
ard 1/4" phone jacks wired in
parallel. Speaker cables (recom-
mend at least #18 gauge wire)
should be connected between
the MX-106R and the speaker
systems prior to applying power
to the unit.
Caution - The MX-106R should
never be operated into less than
a 2 ohm speaker load.
AC Power Cord
The power cord is the three-wire
type with proper grounding faci-
lities.
Caution - The ground pin should
not be removed under any cir-
cumstances. If the MX-106R
must be used without proper
grounding facilities, a suitable
grounding adapter should be
utilized. Operation of the MX-
106R with proper grounding
techniques will result in less
system noise and greatly reduc-
ed shock hazard.
Cord Wrap
The cord wrap is provided for
convenient storage of the power
cord when the MX-106R is not in
use.
Caution - The power cord should
always be completely removed
from the cord wrap prior to
operation of the unit. This will
insure maximum cooling of the
MX-106R. For the same reason,
adequate clearance should be
maintained between the rear
panel and any other surface (4-6
inches should do). The vents on
the b ottom and top of the MX-
106R are also provided for con-
vection cooling. These vents
should be kept clear and open.
Failure to do so may cause
thermal shut-down of the unit.
Earth Terminal (GND)
AC Fuse
Warning - To avoid possible
equipment damage and/or per-
sonnel injury, the fuse should
always be replaced with same
type and rating. Using improper
fuses will also void the warran-
ty. The MX-106R should always
be disconnected from AC outlet
prior to changing fuses. If fuse
repeatedly fails, the unit should
be referred to qualified service
personnel for repair.
—
4 —
)
Front Panel, Patch Bay & Buss Link
Rear Panel
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