ME-52 Expansion Amplifier
5
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PO Box 409 Hanover, MD
TEL (410) 761-4000 www.polyplanar.com
poly-planar
Marine Audio System
Input connections without Volume control:
4) For operation without the optional external volume control, connect the
amplifier inputs to the VARIABLE LINE OUT of your receiver using
shielded RCA patch cables. In this case the amplifier volume will be
determined by the volume setting of the source component. If the
receiver does not have line level outputs, the ME-52 can be connected to
the speaker outputs, however line level is preferred due to superior noise
and distortion performance. See Figure 6 for amplifier settings related to
input connections.
VOLUME
CONTROL
INPUT
dB
GA
IN
LINE
SPEAKE
R
NORMAL
REVERSE
To VARIABLE line output or SPEAKER
output of receiver, TV, or other audio
source.
No connection
Line input
White = Left
Red = Right
Figure 4 - Input connections without Volume control
Poly-Planar MRD80
TV, MP3, Sat Radio or
other audio sources
