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SANWAY AUDIO
Rear panel features introduction
Four-channel amplifiers
functions as channel 1 above, and channel 4 as channel 2 above.
BALANCED INPUT CONNECTIONS
Audio input-4-channel models
Unbalanced Input connections
Speakon outputs-4-channel models
Additional connectors are provided for channel 3 and channel 4. Channel 3
When linking the same source signal to several input channels, be aware that there
is a limit to the number of channels an output source can "drive". A typical output
sourse (e.g. a DSP crossover unit) can drive up to four amplifier channels before
external line-drivers might be required to buffer the signal.
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The XLR input connectors are electronically balanced,
and wired according to the IEC 268 standard ( pin 2=
hot ). XLR input connectors should be wired follows:
Pin 1 Ground/Shield
Pin 2 Hot (+)
Pin 3 Cold (-)
To connect an input to an unbalanced source, it is
possible to connect pins 1 and 3 in the XLR plug at the
amplifier end of the cable. However, a better method
is to connect pin 3 to the shield at the source end of the
cable, as this usually results in better hum and noise
rejection. Balanced input connections are recommended
whenever possible
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