Infinity Reference Series 1300a Service Manual page 5

1300a Reference Series
A – 1300a 1600a
PPLICATIONS AND
The Reference subwoofer amplifiers are
single-channel amplifiers. There are two sets of
terminals to make it easy to connect multiple
woofers. Either set of (+/–) terminals may be
used when connecting woofers.
To the right are four application diagrams to help
plan your subwoofer system installation.
NOTE: For simplicity, Figures 3 and 4 do not
show power, remote and input connections.
Subwoofers or voice coils connected in series.
Subwoofers or voice coils connected in parallel.
NOTE: Minimum impedance of subwoofer = 2 ohms
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Figure 3. Reference 1300a or 1600a amplifier with two
woofer connections.
NOTE: Minimum impedance of each subwoofer = 4 ohms if
subwoofers are connected in parallel and 1 ohm if they
are connected in series.
Figure 4. Reference 1300a or 1600a amplifier with one
woofer connection.
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