Fusion SG-DA51600, SG-DA41400 User And Installation Manual

FUSION® SG-DA51600

Class-D Marine Amplier

User/Installation Manual

FUSIONENTERTAINMENT.COM

2

AMPLIFIER SPECIFICATIONS

Peak Power

(Watts)

1600

Frequency

Response

10Hz -50kHz

Dimensions (mm)

300(l) x 210(w) x 50(h)
11-13/16 x 8-1/4 x 2”

Power Ratings

80W RMS x 4 +

250W RMS x 1 @ 4Ω 1% THD+N

130W RMS x 4 +

330W RMS x 1 @ 2Ω 1% THD+N

250W RMS x 2 @ 4Ω Bridged 1% THD+N +
250W RMS x 1 @ 4Ω 1% THD+N

INSTALLATION
GUIDELINES

1. Ensure the +12V lead is disconnected
from the battery before you connect any
new equipment.

2. Ensure the mounting location will not
interfere with the gas tank or electrical
wiring.

3. Ensure the Amplier is securely fastened
to the vessel to prevent injury in the
event of an accident.

4. Ensure all wiring is protected to avoid
pinching or crushing which could result
in damage to the audio system.

5. Ensure the mounting location has
sufcient air ow around the amplier. If
the amplier is mounted in an enclosed
space a 3” fan with ducting should be
used to aid in air ow.

6. Ensure you use the recommended gauge
wire/cable for all amplier connections.

7. Note: we do not recommend mounting
your amplier in close proximity to other

bridge-mounted equipment critical to
safe navigation of your vessel, in close
proximity to receiving antennas, or
near radio-communications equipment
mounted on your vessel.

WIRING

Ensure the audio system is turned off before
making any connections to the amplier,
speakers or source unit, failure to do so could
result in permanent damage to the audio
system.

When wiring the FUSION amplier ensure
that the cable is protected from sharp objects
and always use rubber grommets when wiring
through metal panels.

Ensure all terminals and connections are
protected from the vessel chassis and from
each other as failure to do so could result in
permanent damage to the audio system.

+12V CONNECTION

FUSION ampliers should be connected
directly to the +12V battery terminal via a
4 gauge cable with an inline fuse or circuit
breaker as close to the battery as possible.

GROUND CONNECTION

Connect directly to the vessel’s earth system
via a 4 gauge cable. NOTE: This is the rst wire
to connect up during the installation.

REMOTE TURN-ON CONNECTION

This connection turns the amplier on & should
be connected to the remote turn on wire from
the Head Unit. If one is not available a switched
12v source must be used.

3

CROSSOVER TABLE

Crossover Type Crossover Frequency Bass Boost

Zone 1 Selectable - LPF, HPF, or

FULL

LPF or HPF Tunable -

32Hz - 320Hz

Zone 2 Selectable - LPF, HPF, or

FULL

LPF or HPF Tunable -

32Hz - 320Hz

Sub Fixed LPF and Fixed

Subsonic

LPF Tunable - 32Hz -

320Hz

HPF Tunable - 10Hz -

80Hz

Tunable - 0dB­12dB

TROUBLE SHOOTING

Problem Possible

Reason

Solution

Amplier not
switching on.
Power LED not ‘on’.

No +12v to power
wire
No power to remote
wire
Fuse broken
Fuse on amplier
blown

Check fuses and connections to battery
Check remote on connections to head unit
Replace fuse with correct type and
amperage
Replace fuse with correct type and
amperage

Amplier not
working, but Power
LED is ‘on’

Amplier too hot

Speaker wires
shorted

Move amplier to vented area
Turn head unit down
Check that there are no speaker wires
shorted to other wires

No Sound No RCA Signal

Gain control not
set up
Head Unit off or low
vol
Amplier
Speakers

Check RCA connection to head unit
Ensure you have set up the amplier gain
level control
Check head unit volume level
Check all power, remote on and ground
Check connections
Check speaker connections

1. Turn the amplier level to zero

2. Turn the volume of the head unit to 3/4

and the tone settings to zero

RCA INPUTS

Choose the correct length RCA cable & run them to the RCA outputs of the source/head unit,
avoiding running beside other looms & or power cable.

LEVEL CONTROL

This control is used to match the input level of the amplier to the output level of the head unit.
We recommend the following method. NOTE: Remove screws and the top cover of amplier to

access controls.

3. Adjust the level control until the desired
maximum volume is achieved without
distortion.

4. Failure to follow these steps may cause
permanent damage to the audio system.

4

AMPLIFIER DIMENSIONS

All dimensions provided are in millimeters (mm) unless indicated

CONTROL DESCRIPTIONS

Z2R

Z2L

Z1RZ1LZ2RZ2L

Z1R

Z1L

1 2 3 4 5 6 7 8 9 10

300

11-13/16"

268

10-9/16"

210

8-9/32"

160

6-5/16"

6.5

1/4"

300

11-13/16"

268

10-9/16"

210

8-9/32"

160

6-5/16"

6.5

1/4"

50

1-31/32"

12

15/32"

1. SPEAKER OUTPUT:

Connect your speakers to these terminals.

2. ZONE 1 RCA INPUT:

Connect these RCA connectors to a head unit with a
zone 1 low level output connection.

3. ZONE 2 RCA INPUT:

Connect these RCA connectors to a head unit with a
zone 2 low level output connection.

4. SUBWOOFER RCA INPUT:

Connect these RCA connectors to a head unit with a
subwoofer low level output connection.

5

11

12

13

20

18

1616

19

17

15

14

ZONE 2

ZONE 2

ZONE 1

ZONE 1

15. SUBWOOFER AUDIO SOURCE:

This switch selects the audio source for the subwoofer
channel. Audio can be sourced from the SUB input RCA
connectors or from the Zone 1 & Zone 2 input RCA
connectors.

16. SUBWOOFER LEVEL:

This allows level adjustment of the subwoofer input
signal. Use this control to directly match the head unit
to the amplier. To set this control correctly, turn the
amplier level to MIN & the head unit to 3/4 volume,
with the tone settings on zero, then slowly turn up the
level control towards the MAX end of the control. NOTE:
If the sound becomes distorted, turn this control down.

17. ZONE 2 FILTER FREQUENCY:

This sets the crossover frequency point for the zone
2 lter between 32Hz and 320Hz. NOTE: Failure to
correctly set could result in speaker damage.

18. ZONE 2 FILTER SELECTION:

This switch selects the type of lter used for the zone 2
audio signal. Either Low Pass, High Pass or Full Range can
be selected. The Low Pass lter is designed to lter out
all mid to high frequencies that only full range speakers
should produce. The High Pass lter is designed to lter
out all low frequencies that only subwoofers should
produce. Full Range allows all frquencies.

19. ZONE 1 FILTER SELECTION:

This switch selects the type of lter used for the zone 1
audio signal. Either Low Pass, High Pass or Full Range can
be selected. The Low Pass lter is designed to lter out
all mid to high frequencies that only full range speakers
should produce. The High Pass lter is designed to lter
out all low frequencies that only subwoofers should
produce. Full Range allows all frquencies.

20. ZONE 1 FILTER FREQUENCY:

This sets the crossover frequency point for the zone
1 lter between 32Hz and 320Hz. NOTE: Failure to
correctly set could result in speaker damage.

5. REMOTE SUBWOOFER LEVEL CONTROL
CONNECTION:

Connect the optional (supplied) Remote Level Controller
to this socket.

6. POWER AND STATUS LED’S:

This displays “green” if the amplier has been correctly
powered up and ‘red’ if any faults are present.

7. FUSES:

Please ensure the correct type of fuse is tted. For SG­DA51600 2 x 40A fuses.

8. +12V CONNECTION:

Connect directly to the vessel battery positive (+)
terminal via a 4 gauge cable, with an inline fuse or circuit
breaker at the battery end. NOTE: This is the last wire
to connect up during installation. Damage could result
if this is not done.

9. REMOTE TURN-ON CONNECTION:

This terminal is for turning the amplier on & off. The
remote input requires a switched positive (+12V) to
power ‘ON’ the amplier. This can usually be found on
the rear of the head unit in the form of a remote output.

10. GROUND CONNECTION:

Connect directly to the vessel’s earth system via a 4
gauge cable. NOTE: This is the rst wire to connect up
during the installation.

11. SUBWOOFER LP FILTER FREQUENCY:

This sets the crossover frequency point for the subwoofer
channels’ low pass lter between 32Hz and 320Hz.

12. ZONE 2 LEVEL:

This allows level adjustment of the zone 2 input signal.
Use this control to directly match the head unit to the
amplier. To set this control correctly, turn the amplier
level to MIN and the head unit to 3/4 volume, with
the tone settings on zero, then slowly turn up the level
control towards the MAX end of the control. NOTE: If the
sound becomes distorted, turn this control down.

13. ZONE 1 LEVEL:

This allows level adjustment of the zone 1 input signal.
Use this control to directly match the head unit to the
amplier. To set this control correctly, turn the amplier
level to MIN and the head unit to 3/4 volume, with the
tone settingson zero, then slowly turn up the level control
towards the MAX end of the control. NOTE: If the sound
becomes distorted, turn this control down.

14. FUSION LOW FREQUENCY CONTROL:

The FUSION Low Frequency Control (F.L.F.C.) is a dual
stage control interface. The combination of a Subsonic
lter & a Bass Boost control allows precise shaping of
the audio signal for your subwoofer(s). The Subsonic
lter is essentially a high-pass crossover which blocks
the frequency signal from 10Hz - 80Hz. This signal often
contains no music & its removal will improve subwoofer
control. The Bass Boost is a variable control to increase
the level at 45Hz from 0 - +12dB of gain. Adjust these
controls with extreme care.

6

Z2R

Z2L

Z1RZ1LZ2RZ2L

Z1R

Z1L

3 CHANNEL INSTALLATION

INSTALLATION INSTRUCTIONS

(2-8 Ohm)

(2-8 Ohm) (2-8 Ohm)

Z2L Z2R

7

Z2R

Z2L

Z1RZ1LZ2RZ2L

Z1R

Z1L

5 CHANNEL INSTALLATION

(2-8 Ohm) (2-8 Ohm)

Z1L

Z2L Z2R

Z1R

(2-8 Ohm)

(2-8 Ohm)

(2-8 Ohm)

8

TECH TIPS

BASIC TOOLS

In any installation these basic tools may be required. For custom type installations, additional
tools may be neccesary.

• Electric drill • Flat blade screwdriver

• Crimping tool • Electrical tape

• Allen key set • Phillips screwdriver

• Wire strippers • Silicon sealant

• Utility knife, sabre saw, jigsaw, nibbler

OHMS LAW SIMPLIFIED

IR

E

voltage

watts

amperage

current

resistance

R

IW

E

I

E

2

W

W
I

2

E

2

R

I

2

R

W

E

E
R

WR

W

I

W/REI

9

SERIES AND PARALLEL SUBWOOFER WIRING FOR
DUAL VOICE COIL SUBWOOFERS

PARALLEL VOICE COIL WIRING (2 OHM OPERATION)

To wire a 4 Ohm DVC subwoofer in parallel to get 2 Ohm, use two short pieces of speaker wire
and link the positive from one coil to the positive of the second coil, and do the same for the
negative as shown below. Then wire the amplier to opposite sides of the subwoofer in order
to equalise any connection resistance.

SERIES VOICE COIL WIRING (8 OHM OPERATION)

To wire a 4 Ohm DVC subwoofer in series to get 8 Ohms, use one short piece of speaker wire
and link the positive from one voice coil to the negative of the second coil as shown below.
Then wire the amplier to opposite sides of the subwoofer.

2 Ohm operation

8 Ohm operation

+

-

+

-

-

AMP

+

AM

P

10

4 Ohm

4 Ohm

2 Ohms

8 Ohms

4 Ohm

4 Ohm

PARALLEL WIRING FORMULA FOR 2 SPEAKERS

R1 x R2

= LOAD IMPEDANCE

R1 + R2 = LOAD IMPEDANCE

= 2 Ohms=

4 Ohms x 4 Ohms

16

R1 + R2 4 Ohms + 4 Ohms

8

SERIES WIRING FORMULA FOR 2 SPEAKERS

11

WARNING: Audio Systems can produce sound levels over 135dB. Continuous exposure to sound pressure levels over 100dB may cause
permanent hearing loss! USE COMMON SENSE!

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Australia 1300 736 012
Europe [phone]
USA 623 580 9000

Pacic  +6493692900

190-02019-00 Rev A
OCTOBER 2015

Printed in China

FUSIONENTERTAINMENT.COM

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FUSION is a trademarks of Garmin Ltd. or its subsidiaries.
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