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Total Amperage 13–16 ft.
(4–4.9 m)
105–125 A
0 AWG
2
(53.5 mm
125–150 A
0 AWG
2
(53.5 mm
Signal and Speaker Connection Considerations
When connecting your stereo and speakers to the amplifier,
observe the following considerations:
• Each set of zone speaker terminals on the amplifier is paired
to the RCA inputs for that zone.
• Each channel supports a nominal 4 Ohm speaker load
impedance, and a 2 Ohm minimum speaker load impedance.
• You can connect two speakers in parallel on a single
channel, and the combined impedance must be greater than
the 2 Ohm minimum load impedance
Speakers or Subwoofers In Parallel, page
• You can connect either a zone line out or a subwoofer line
out from the stereo to any of the zone RCA inputs on the
amplifier.
• You should use the proper gauge speaker wire noted in the
Speaker Wire Gauge Guide, page 3
and subwoofers to the amplifier.
• You should observe the zone and polarity markings for each
channel when connecting speakers to the amplifier. For
example, Z1L indicates the ZONE 1 left channel, and Z1R
indicates the ZONE 1 right channel.
• If you are connecting a combination of speakers and a
subwoofer to the amplifier, you should connect the subwoofer
to ZONE 3 as illustrated below. This zone has a dedicated
BASS BOOST control.
• You can connect a subwoofer to a single channel, but you
should connect it using bridge mode to get the best
performance
(Connecting a Speaker or Subwoofer in Bridge
Mode, page
3).
In the following example, a single 4 Ohm subwoofer is
connected to the bridged terminals for ZONE 3, and pairs of
4 Ohm speakers are connected to the right and left channels for
the other two zones.
In this example, you must connect the subwoofer line out from
the stereo to the Z3L and Z3R RCA connectors on the amplifier
(using an RCA splitter), you must connect the two zone line out
connectors from the stereo to the other two zone RCA
connectors on the amplifier.
Speaker Wire Gauge Guide
You should use 16 AWG (1.31 mm
installations. You can use this table to determine if you need to
use a larger gauge of wire. This table accounts for terminal
connection resistance.
NOTE: If you are using aluminum or tinned wire, you should use
a wire two gauges larger than the gauge listed below to
compensate for a potential voltage drop due to the wire material.
SG-DA61500/SG-24DA61500 Signature Series Installation Instructions
16–19 ft.
19–22 ft.
22–28 ft.
(4.9–5.8 m)
(5.8–6.7 m)
(6.7–8.5 m)
0 AWG
0 AWG
0 AWG
2
2
)
(53.5 mm
)
(53.5 mm
)
(53.5 mm
0 AWG
0 AWG
0 AWG
2
2
)
(53.5 mm
)
(53.5 mm
)
(53.5 mm
(Connecting Multiple
3).
to connect speakers
2
) speaker wire for most
4 Ohm Load (1 Speaker)
Distance between the
amplifier and speaker
2
)
From 0 to 28 ft. (from 0 to
8.5 m)
2
)
From 28 to 69 ft. (from 8.5 to
21 m)
2 Ohm Load (2 Speakers in Parallel)
Distance between the
amplifier and speaker
From 0 to 14 ft. (from 0 to
4 m)
From 14 to 35 ft. (from 4 to
10.5 m)
Connecting Multiple Speakers or Subwoofers In Parallel
You can connect multiple speakers or subwoofers with the same
impedance rating, model number, and type together in parallel.
When connecting speakers of the same impedance rating in
parallel, you must calculate the total impedance by dividing the
common impedance rating by the total number of speakers
connected in parallel. For example, if you connect two 4 Ohm
speakers in parallel, the resulting impedance is 2 Ohm (4 ÷ 2=
2).
You must not connect a series of speakers with an impedance
less than 2 Ohm to a single channel on the amplifier. Do not
connect more than two speakers in parallel per zone output.
1
Connect speaker wire
channel or zone on the amplifier.
2
Connect speaker wire to the positive terminal on each
speaker.
3
Connect the wires from the positive terminals on both
speakers in the channel or zone to the wire connected to the
positive terminal on the amplifier.
4
Repeat this procedure for the negative terminal on the
amplifier
and both speakers in the channel or zone.
Connecting a Speaker or Subwoofer in Bridge Mode
Connecting a speaker or subwoofer in bridge mode increases
the amount of power that can be delivered by combining two
output channels together. This is beneficial for large subwoofers
that move large volumes of air and for playing speakers louder
without experiencing clipping in the audio.
A speaker connected in bridge mode must be capable of
handling the increased output power. Bridge mode can produce
more than double the output power of a single channel.
You should connect only a 4 Ohm load to the bridged terminals
on a zone. Connecting a 2 Ohm load to the bridged terminals
may cause damage to the amplifier, speaker, or subwoofer.
1
Fusion speaker cable is sold in various lengths. See your FUSION
more information.
Wire gauge
Recommended
cable
16 AWG
010-12899-00
2
(1.31 mm
)
12 AWG
010-12898-00
2
(3.31 mm
)
Wire gauge
Recommended
cable
16 AWG
010-12899-00
2
(1.31 mm
)
12 AWG
010-12898-00
2
(3.31 mm
)
NOTICE
to the positive terminal for a
NOTICE
®
dealer for
1
3
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