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ANALOG AUDIO
CONNECTIONS
There are no analog interstage patch points
within the X-mixer channels or outputs. To
use a patchbay, connect the line level out-
puts from the peripheral devices directly to
the patch bay and then normal these to the
appropriate Input channels. Likewise, X-
mixer's outputs may also be routed through
a patchbay normalled to standard peripher-
als such as On-Air processing gear, record-
ers, telephone hybrids, etc.
To use a mic input with a patch bay, use
an external mic amplifier. Connect the line
output of the mic amplifier to the patch bay
and then normal it to a console line level
input. Mic processors are connected in the
same manner.
When processors requiring mic-level
inputs are used, the microphone should con-
nect to the mic processor directly, with the
Connecting Balanced Devices
to X-mixer Analog Inputs
+
L
-
+
R
-
Shields
Connecting Balanced Devices
to X-mixer Analog Outputs
+
L
-
+
R
-
Shields
processor's line-level output directly connect-
ed to an Input channel.
Unbalanced Analog Connections
Even though all analog inputs and outputs
are active and balanced, unbalanced consum-
er or "semipro" equipment can be connected
to the console For best results use an IHF-
PRO match box. If a match box is not avail-
able, unbalanced analog devices can connect
per the following illustration. Keep unbal -
anced cable lengths as short as possible.
When an unbalanced device must be con-
nected to a console analog balanced output,
and an IHF-PRO match box is not available,
do not tie the low (-) and shield pins together
to "unbalance" the signal. The low pin must
always be left "floating," as shown below.
Analog Inputs
(stereo line)
(9-pin connector signals)
Pin
Signal Description
1
High (+), left channel
2
Low (-), left channel
3
High (+), right channel
4
High (-), right channel
5
Audio & Logic ground
6
Shield Ground
7
Source Start output logic
8
Source Stop output logic
9
Channel On-off control logic
Analog Outputs
(stereo line)
(6-pin connector signals)
Pin
Signal Description
1
High (+), left channel
2
Low (-), left channel
3
High (+), right channel
4
High (-), right channel
5
Audio & Logic ground
6
Shield Ground
T H E
Connecting Unbalanced Devices
to X-mixer Analog Inputs
L
R
Shields
Connecting Unbalanced Devices
to X-mixer Analog Outputs
(nominal output level is -2 dBu)
L
R
Shields
(make no connections to pins 2 and 4)
7
X - M I X E R
D I G I T A L
Connectors
9
6
4
2
8
5
3
1
7
Pin numbering is always shown from
the wire entry end into contact
The X-mixer uses AMP MR series
connectors for ease of installation
and servicing. The connectors are
polarized so that they can not be
inserted backwards.
Analog Inputs
(stereo line)
(9-pin connector signals)
Pin
Signal Description
1
High (+), left channel
2
Low (-), left channel
3
High (+), right channel
4
High (-), right channel
5
Audio & Logic ground
6
Shield Ground
7
Source Start output logic
8
Source Stop output logic
9
Channel On-off control logic
Analog Outputs
(stereo line)
(6-pin connector signals)
Pin
Signal Description
1
High (+), left channel
2
Low (-), left channel
3
High (+), right channel
4
High (-), right channel
5
Audio & Logic ground
6
Shield Ground
C O N S O L E
6
3
5
2
4
1
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