Amphony 1520 Installation Guide
User and Installation
Guide
5.8 GHz DIGITAL Wireless
Audio Transmitter / Amplifier
Model 1520
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Contents
Unpacking
Connecting the transmitter
Connecting the amplifier
Placing the transmitter and amplifier
Operating the transmitter
Operating the amplifier
Troubleshooting
Technical specifications
Safety information
Your warranty
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User and Installation Guide
Unpacking: Check that this package contains:
One 5.8 GHz Digital Audio transmitter - Model 1520, one Digital Audio
amplifier - Model 1520, one small and one large AC adapter (wallwart), two
short speaker cables, one RCA audio cable.
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Step 1Step 1
Connecting the transmitter
The transmitter connects either to a standard line-out audio interface via the
supplied RCA cable or to an amplified speaker output via the supplied short
speaker cables.
If the transmitter is connected via speaker cables, observe the polarity of the
cable connection to ensure that the transmitter will be fed with a correct
polarity signal. If one of the cables is switched (reversed), one speaker will
receive an opposite polarity signal which will degrade sound performance.
The transmitter can also be connected to other audio outputs by using an
appropriate adapter.
Connect the supplied small AC adapter’s barrel-shaped plug into the DC 9V
jack, and then plug the transformer into a standard AC outlet. We recommend
the use of a surge protector to protect the transmitter from power surges.
ATTENTION!
Do not use both the speaker cables and RCA cable. Do not
connect speakers to the transmitter. Do not connect the large
AC adapter to the transmitter.
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User and Installation Guide
Using the transmitter RCA audio input:
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L
Transmitter
R
L R
AUDIO
LINE OUT
L R
Audio Source
DC 9V
AC adapter
DC 9 V
300 mA
Power outlet
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User and Installation Guide
Using the transmitter speaker audio input:
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Transmitter
L
R
L R
SPEAKER OUT
Audio Source
L R
DC 9V
AC adapter
DC 9 V
300 mA
Power outlet
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User and Installation Guide
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Step 2Step 2
Connecting the amplifier
Connect the DC power input of the amplifier with the supplied large 24 V AC
adapter (wallwart). The use of a surge protector is recommended to protect
the amplifier from power surges which may damage the amplifier and
connected speakers or may cause audio dropouts.
The amplifier connects to regular passive loudspeakers via regular speaker
cables (not included). Observe the correct polarity when connecting the
speakers.
It is also possible to connect both speakers to separate amplifiers by using
an additional amplifier. In this case connect one speaker to the left audio
output of the first amplifier and the second speaker to the right audio output
of the second amplifier. One audio output of each amplifier will not be used
in this case.
ATTENTION!
Never short circuit any amplifier audio output since this may
damage the amplifier. A clicking noise may be generated
during amplifier power up. Therefore, it is recommended to
connect power to the amplifier prior to connecting the
speakers.
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