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9
[Rear]
6
7 9 10
11
DA-250D
DA-250DH
8
6
7 9 10
11
8
6. AC inlet
Connect the supplied power cord to this inlet.
7. Functional ground terminal [SIGNAL GND]
Hum noise may be generated when external
equipment is connected to the unit. Connecting
this terminal to the functional ground terminal of
the external equipment may reduce the hum
noise.
Note
This terminal is not for protective ground.
8.
Speaker output terminals (with a terminal cover)
Connect speaker cables to these terminals.
9. BRIDGE ON/OFF switch
[BRIDGE, ON / OFF]
Used when bridge-connecting the unit's
Channels 1 and 2.
(See p. 10; Settings and Connections.)
• 2-channel input mode
Set BRIDGE switch to OFF. (factory-preset)
• 1-channel input mode
Set BRIDGE switch to ON.
Note
Be sure to first turn off the power switch when
changing the BRIDGE switch settings.
10. CH1 mode ON/OFF switch
[PARALLEL, ON / OFF]
Setting this switch to ON (pressed in) transmits
the Channel 1 input signal to both channels 1
and 2. Output signal levels can be individually
adjusted with each channel's input level control
(3).
Note
Be sure to first turn off the power switch when
changing the CH 1 mode switch settings.
11. Input terminals [INPUTS]
Electronically-balanced input terminals.
Each removable terminal block (3 pins) is
internally connected in parallel to the
corresponding XLR type connector.
• Removable terminal block (3 pins)
H: Hot, C: Cold, E: Earth
•
XLR type male connector (XLR-3-31 equivalent)
Pin 1: Earth, Pin 2: Hot, Pin 3: Cold
If a straight plug hits the rack's rear cover or
wall behind the rack when it is used for
connection, use the L-shaped plug instead.
Caution when using an XLR type plug