Connections; Audio Connections - Behringer A500 User Manual

REFERENCE AMPLIFIER A500
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4.2 Connections

If you wish to use XLR connections for unbalanced input
signals, connect the unused pin on the XLR connector (pin 3)
with the ground. No modification is needed if using mono jacks
(also see ch. 4.3).
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Your A500 offers several output connection possibilities: two
1/4" TS mono connectors and two pairs of touch-safe binding
posts. In addition to both 1/4" TS mono connectors for individual
channels, the A500 also features an extra 1/4" connector for
use in mono-bridged mode.
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When using binding posts, make sure that the wire insulation
is not stripped more than what is necessary, and that wires are
completely inserted into the binding post so that no bare wire is
visible. Cable clamps must be isolated to avoid the possibility of
electric shock. When running the amp in mono-bridged mode,
always use the middle two binding post connectors, paying
attention to correct polarity.
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Always connect your power amplifier to the voltage specified
on the rear of the unit. Connecting the amp to incorrect voltage
can permanently damage it (also see ch. 2, under
SWITCH/VOLTAGE SELECTION).
Before powering up the amplifier, double-check all
connections and fully lower the gain settings.
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The following illustrations show the correct wiring. Always use
high-grade cables.
FUSE
4. INSTALLATION

4.3 Audio connections

Various cables are needed for different types of applications.
Fig. 4.1: XLR connections
Fig. 4.2: 1/4" TS connector
Fig. 4.3: 1/4" TRS connector
Fig. 4.4: Unbalanced connection using a cinch cable