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Rear Panel Connections
The rear panel provides RCA and XLR jacks for
five (5) inputs, Tape Out and Main Outputs.
Beginning from the left side of the rear panel
the connections are as follows:
• XLR and RCA Main Output Jacks
for Left and Right Channels
These outputs go to your power preamplifier
or active crossover. Either the balanced
XLR or Single-ended RCA jacks can be used
as required for your preamplifier. Optimum
performance will be obtained using the XLR
outputs, although no added circuitry is in the
RCA output path. These use the standard
Male XLR pinout pattern of:
1 - Gnd
2 - Plus Signal
3 - Minus Signal
• Balanced XLR Inputs for Bal 2 and
Bal 1 Inputs
These inputs come from your primary signal
sources. A non-balanced source can be
connected to these inputs using a specially
constructed cable with an RCA plug on one
end and an XLR Male connector on the other
end. Contact your retailer, cable supplier or
Bel Canto Design for details on
Tosca Owner's Manual
this. The Bal 2 input is a direct input and
bypasses the Main selector and Tape Loop.
These female XLR inputs use the standard
pinout pattern of:
1 - Gnd
2 - Plus Signal
3 - Minus Signal
• Tape Output Jacks
The tape output jacks are a buffered signal
version of the input selected on the Main
Selector. This output uses an audio grade
amplifier stage to convert the internal
balanced signal bus and to drive the tape
output. This is not designed to be used as
the primary output but as a buffered tape
output only.
• Tape Monitor, Auxiliary and Tuner
Inputs
These inputs use standard RCA jacks to
allow hookup to most equipment. If you
encounter problems with hum or clicks when
switching to these inputs it may be because
their chassis are not grounded. This may
require a ground connection to the house
ground or to the chassis of the preamplifier.
Consult your retailer or Bel Canto Design if
such problems are encountered.
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