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Input Signal Connections
The RA-932 has conventional RCA type input connectors, the type
found on nearly all audio equipment.
Note: To prevent loud noises that neither you nor your speakers
will appreciate, make sure the system is turned off when you
make any signal connections.
Phono Input
11
and Ground Wire Connection
10
[See Figure 3 for phono input connection illustration.]
Plug the cable from the turntable into the appropriate left and
right phono inputs. Most turntables also have a “ground” wire.
Connect it to the screw terminal to the left of the Phono inputs. It
will help prevent hum and noise.
Line Level Inputs
12
[See Figure 2 for line level input connection illustration.]
The CD, Tuner, and Aux inputs of the RA-932 are all “line level” in-
puts. These are for connecting components such as CD players,
Hi Fi or NICAM Stereo video cassette recorders, tuners for audio
or video, Laser Disc players or the analog output from a CD ROM
drive. Figure 2 shows a CD player connected to the CD inputs.
Other components are connected in the same way.
The Left and Right channels are clearly labeled and should be
connected to the corresponding channels of the source compo-
nent. The Left RCA connectors are white, the Right connectors
are red. Use high quality RCA cables for connecting input source
components to the RA-932. Ask your authorized Rotel dealer for
advice about cables.
Recorder Connections
13
[See Figure 2 for recorder connection illustration.]
The Tape inputs and outputs can be connected to any record/
playback device that accepts standard line level analog input and
output signals. Typically that will be a conventional tape recorder.
When connecting a recorder to the RA-932 remember that the
outputs
of the recorder must be connected to the tape
inputs
of
the RA-932. Similarly the tape
outputs
of the RA-932 must be con-
nected to the
inputs
of the recorder. As with other sources be
sure to connect the Left and Right channels of each device to the
proper channels on the associated components. Use high quality
connecting cables to prevent loss of sound quality.
Speaker Outputs
14
and
15
[See Figure 2 for speaker connection illustration.]
The RA-932 has two sets of speaker outputs, labeled MAIN
14
and BI-WIRING
15
. Both sets of speaker outputs are “live” at all
times. They are wired in parallel. The combined minimum imped-
ance load for the speakers connected to the RA-932 must be at
least 4 ohms. If only one pair of speakers is connected, virtually
any speaker may be used. However, if two pairs of speakers are
connected, all the speakers should have an impedance of 8 ohms
or higher. S ee your authorized Rotel dealer if you have any ques-
tions.
Speaker Wire Selection
Use insulated two-conductor stranded wire to connect the RA-932
to the speakers. The size and quality of the wire can have an au-
dible effect on the performance of the system. Standard speaker
wire will work, but can result in lower output or diminished bass
response, particularly over longer distances. In general, heavier
wire will improve the sound. For best performance, you may want
to consider special high-quality speaker cables. Your authorized
Rotel dealer can help in the selection of cables for your system.
Polarity and Phasing
The polarity – the positive/negative orientation of the connections –
for every speaker and amplifier connection must be consistent so
all the speakers will be in phase. If the polarity of one connection
is reversed, bass output will be very weak and stereo imaging de-
graded. All wire is marked so you can identify the two conductors.
There may be ribs or a stripe on the insulation of one conductor.
The wire may have clear insulation with different color conduc-
tors (copper and silver). There may be polarity indications printed
on the insulation. Identify the positive and negative conductors
and be consistent with every speaker and amplifier connection.