Audio Inputs - Extron electronics MPA 152 Plus User Manual

Audio Inputs

Use the rear panel receptacles (see figure 4) to connect audio sources to the amplifier. Wire
the connectors as shown below.
L
Figure 4.
b
RCA unbalanced stereo input connectors — These
receptacles accept unbalanced, line level audio signals. The input
can be stereo, using two RCA connectors, or mono, using a
single RCA connector plugged into the left receptacle.
If unused, the receptacles automatically terminate to lower the
noise floor.
c
3.5 mm unbalanced stereo input jack — This input also
accepts unbalanced, line level audio signals through a 3.5 mm
tip‑ring‑sleeve (TRS) stereo connector. If unused, the receptacle
automatically terminates to lower the noise floor.
d
Captive screw balanced
or unbalanced audio input
connector — This 5‑pole 3.5 mm
captive screw receptacle accepts line
level, balanced or unbalanced, mono
or stereo audio signals.
See the
note (on page 5) for important
information about connecting wires to
captive screw connectors.
Depending on the position of the
front panel toggle switch (see
output as a stereo signal or as a dual mono signal. See
more information.
INPUTS
R L
2 3
Audio Inputs
attention (on page 5) and
figure 8
R
4
Tip
Sleeve
Tip
Sleeve
Unbalanced Stereo Input
Tip
Sleeve
Unbalanced Mono Input
on page 10), the right and left channels may be
Audio Output
MPA 152 Plus • Panels and Cabling
Tip (+)
Sleeve ( )
RCA Connector
Tip (L)
Ring (R)
Sleeve ( )
3.5 mm TRS Connector
Tip
Ring
Sleeves
Tip
Ring
Balanced Stereo Input
Tip
Ring
Sleeve
Balanced Mono Input
on page 9 for
6