Chapter 2
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Chapter 2.
Rear Panel connections
The following pages contain drawings of typical connections that you might make in your
installation. These drawings demonstrate how each of the inputs and outputs on the rear panel
of the CM-2002 are interconnected with other audio components and speakers.
Your particular installation may not use all of the connections shown, although, if you are
using the CM-2002 as the center of a fully-fledged audio system you will use many or most of
them.
The inputs and outputs on the CM-2002 are labeled to correspond to the most common audio
and video components in use today. It is perfectly acceptable to connect other components to
unused inputs or outputs, so long as they have line level signals. The phono input must only be
used for a turntable.
Input/ output levels.
Input and output levels for audio equipment are usually divided into three categories:
1. Phono Level
This is a very low level signal
that comes from the cartridge
of your turntable. Because of
its extremely low voltage, the
CM-2002 has a special phono
input designed
only
for
turntables. The phono circuit
provides extra gain to
increase the signal, as well as
RIAAre-equalization to
restore the flat frequency
response. This is altered by
the equalization used in
making phonograph
recordings. A Moving-Coil
cartridge has a much lower
output than a Moving-
Magnet type. The CM-2002
rear panel switch will
increase the gain when using
the Moving-Coil type.
o
2. LineLevel
This is the signal level that
comes out of almost all audio
components produced today,
except for power amplifiers,
turntables and microphones.
It ranges from several
hundred millivolts to several
volts (AC). Any line level
signal can be connected to
any of the line level inputs on
the CM-2002. For example, if
you have a DAT tape deck,
but you don't have a second
cassette deck, you can
connect it to the TAPE2
input. A VCR can also be
connected to a Tape input for
playback and recording. A
LaserDisc player can be
connected to the Auxillary
input.
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••
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3. Speakerlevel
This is the signal level that
comes out of the speaker
output terminals on the
CM-2002. It can range from a
low level up to 30 volts (AC).
Some high-powered
amplifiers can reach voltage
levels approaching that
present on a household AC
outlet! These connections
should only be made to a
speaker.
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