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REAR
PANEL
OPERATION
|
O YAMAHA
| ΠΠ
SER NO
|
PATENI PENDING
@ OUTPUT
O Cannon socket XLR-3-32
It is provided with a Cannon socket for balanced output
The Q1027 employs a 3-pin (pin 1 shielded ground, pin
applications
and a phone
jack for unbalanced
output
2 hot, pin 3 cold) socket for connection,
applications, The output impedance in either case is 40
Compatible
plugs include the Cannon
XLR-3-11C
and
ohms,
the Switchcraft A-3-F.
* The phone jack output takes priority when both the
Cannon
socket
and
phone
jack
are
connected
@Cannon socket XLR-3-31
simultaneously.
Compatible
plugs include the Cannon
XLR-3-12C
and
the Switchcraft A-3-M,
@ OUTPUT PHASE switch
This switch selects the phase of the balanced output. Set
@ Phone jacks
to the "N" side to match the phases of the input and
These employ standard plugs.
output and to the "R" side for reverse phase,
The
switch
is used
for phase
alignment
when
many
O Fuse
components
have
been
connected
or when
the phase
Always use a fuse with the same ratings of the existing
changes in accordance
with the setting position of the
one for replacement purposes.
speaker system.
* The phase of the phone jack side cannot be selected.
O VOLTAGE
SELECTOR
(General Models Only)
Set this to your local AC mains voltage. Failure to do so
© INPUT
will result in seriously
impaired
performance
or even
It is provided with a Cannon socket for balanced input
severe damage.
applications
and
a phone
jack for unbalanced
input
applications. The input impedance
is 8 kiloohms for the
balanced
input
and
10 kiloohms
for the unbalanced
input.
*
The phone jack input takes priority when
both the
Cannon
socket
and
phone
jack
are
connected
simultaneously,
OPIN 1 GND switch
This switch sets the balanced output ground line (pin 1
shielded ground) to ON and OFF.
Hum
or noise is sometimes
caused
by the illumination
inside the hall and the high-power
components
when
signal cables are used extendedly or when they are used
in a certain placement to connect a number of compo-
nents. This noise can sometimes be reduced by isolating
the ground line, In a case like this, use this switch.
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