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8
Names and Functions
Numbers indicated to the left of the names (
1
-
5
,
7
-
A
,
E
-
K
, and M) correspond the
numbers indicated in the block diagram on back cover page.
Front Panel
1 [PHANTOM +48V] switch
This switch supplies +48 V phantom power to
XLR and TRS phone compatible INPUT jacks 1
and 2 (3). Note that phantom power will not
be supplied if you have connected an external
device to the INPUT 1 and 2 TRS phone jacks
(3). Turn this switch on if you are connecting a
condenser microphone that requires external
+48 V power to INPUT jack 1 or 2 (3). When
the switch is turned on, the switch indicator
lights up.
• Be sure to turn this switch off if you
connect a device that does not require
an external power supply to the INPUT
1 or 2 XLR jack. Otherwise, phantom
power will be supplied to the device,
possibly causing damage to the
device.
• If you connect a device that requires
an external power supply, first connect
the device to an XLR connector, then
turn on the phantom power.
• When phantom power is turned on,
power will be supplied to both INPUT
jacks 1 and 2.
• Phantom power is not supplied to TRS
phone connectors.
If the [HI-Z/LINE/MIC] switch (2) is
set to HI-Z, phantom power is not sup-
plied to INPUT jack 1 (3).
2 [(HI-Z)/LINE/MIC] switch
This switch enables you to select high-imped-
ance input, mic input, or line input for XLR and
TRS phone compatible INPUT jacks 1 and 2
(
3).
HI-Z: Use this setting to connect a high-
impedance musical instrument, such
as a guitar with passive pickups or a
bass guitar.
LINE: Use this setting to connect a line-level
instrument, such as a synthesizer, key-
board, or audio equipment.
MIC: Use this setting to connect a mic-level
device.
Select HI-Z, LINE, or MIC for INPUT
jack 1. Select LINE or MIC for INPUT
jack 2.
When the [HI-Z/LINE/MIC] switch is
set to HI-Z, phantom power is not sup-
plied to INPUT jack 1 (3).
3 XLR/TRS Phone Compatible INPUT 1 and
2 jacks
These balanced input jacks accept both XLR-3-
31 and TRS phone (1/4") plugs and can be used
for high-impedance, line or mic inputs. You can
also connect musical instruments with unbal-
anced outputs, such as a synthesizer or rhythm
machine. Setting the [HI-Z/LINE/MIC] switch
(2) appropriately enables you to connect a
high-impedance instrument, line-out instru-
ment or microphone to INPUT jack 1. Setting
the [LINE/MIC] switch (2) appropriately
enables you to connect a line-out instrument or
microphone to INPUT jack 2.
Nominal input levels:
MIC: –60 dBu to –16 dBu
LINE: –34 dBu to +10 dBu
HI-Z: –56 dBu to –12 dBu
NOTE
1 2 3 4 3 4 5 76 8 9 0 A CB D5
NOTE
NOTE
NOTE
1/4"TRS phone plug
Ring (Cold)
Tip (Hot)
Sleeve (Ground)
Male XLR plug
1 (Ground)
3 (Cold)
2 (Hot)