Bogen NYQUIST NQ-A4060 Quick start guide
Publication Number 740-00055A
1807
This equipment is not suitable for use in locations
where children are likely to be present.
Equipment is intended for use
only in a restricted access area.
NQ-A4060,
NQ-A4120,
NQ-A4300
Audio Power
Ampliers
Installation
and Use
The Nyquist Power
Ampliers decode audio content distributed by the Nyquist
application and levels for loudspeaker drive. The ampliers act
as paging and public address endpoints for any source on the
network.
Each networked audio power amplier is a 2RU high enclosure
containing four Class D audio power amplier channels,
a universal switched-mode power supply, a USB port, one
RJ45 network jack, and pluggable Phoenix style terminals
for both low and high impedance loudspeakers and Line-Out
connections. Optionally, the Line-Out can be connected using
the available XLR connector.
WARNING: To reduce the risk of re or electric shock, do not
expose this apparatus to rain or moisture.
Avertissement: pour réduire le risque d’incendie ou de choc
électrique, ne pas exposer cet appareil sous la pluie et
l’humidité.
The apparatus shall not be exposed to dripping or splashing
and that no objects lled with liquids, such as vases, shall be
placed on apparatus.
L’appareil ne doit pas être exposé aux écoulements ou aux
éclaboussures et aucun objet ne contenant de liquide, tel
qu’un vase, ne doit être placé sur l’objet.
The mains plug is used as disconnect device. The mains plug
of apparatus should not be obstructed OR should be easily
accessed during intended use. To be completely disconnect
the power input, the mains plug of apparatus shall be
disconnected from the mains.
La prise du secteur est utilisé pour déconnecter le système.
La prise du secteur ne doit pas être obstruée ou doit être
facilement accessible pendant son utilisation. Pour être
complètement déconnecté de l’alimentation d’entrée, la prise
doit être débranchée du secteur.
1200 MacArthur Blvd. Suite 304, Mahwah, NJ 07430
1-800-999-2809
© Copyright 2018, Bogen Communications, Inc.
2
1200 MacArthur Blvd. Suite 304, Mahwah, NJ 07430
1-800-999-2809
© Copyright 2018, Bogen Communications, Inc.
When rack-mounted, allow 1RU spacing (1.75 inches) between
units for proper ventilation.
- Lorsqu’il est monté en rack, permettez l’espace de 1RU (1.75
pouces) entre les unités pour une ventilation adéquate.
The ventilation should not be impeded by covering the venti-
lation openings with items, such as newspapers, table-cloths,
curtains, etc.
- il convient que l'aération ne soit pas gênée par l'obstruction
des ouvertures d'aéra
No naked ame sources, such as lighted candles, should be
placed on the apparatus.
- il convient de ne pas placer sur l'appareil de sources de
ammes nues, telles que des bougies allumées
The use of apparatus in moderate climates.
- si l'appareil est destiné à être utilisé sous un climat tempéré.
Important Safety Information
WARNING: To reduce the risk of re or electric shock, do not
expose this apparatus to rain or moisture.
Always comply with the following basic safety precautions
when installing and using the unit:
1. Read these instructions.
2. Keep these instructions.
3. Heed all warnings.
4. Follow all instructions.
5. Clean only with dry cloth.
3
6. DO NOT install near any heat sources such as radiators, heat
registers, stoves, or other apparatus (including ampliers)
that produce heat.
7. DO NOT defeat the safety purpose of the polarized or
grounding-type plug. A polarized plug has two blades with
one wider than the other. A grounding-type plug has two
blades and a third grounding prong. The wide blade, or the
third prong, are provided for your safety. If the provided
plug does not t into your outlet, consult an electrician for
replacement of the obsolete outlet.
8. Protect the power cord from being walked on and/or
pinched, particularly at plugs, convenience receptacles, and
the point where they exit from the apparatus.
9. Only use attachments/accessories that are specied by the
ampliers) that produce heat.
10. Unplug this apparatus during lightning storms or when
unused for long periods of time.
11. Refer all servicing to qualied service personnel. Servicing is
required when the apparatus has been damaged in any way,
such as power-supply cord or plug is damaged, liquid has
been spilled or objects have fallen into the apparatus, the
apparatus has been exposed to rain or moisture, does not
operate normally, or has been dropped.
WARNING:
The apparatus shall be connected to a mains
socket outlet witha protective earthing connection.
To reduce the risk of re or electric shock, do not
expose this apparatus to rain or moisture.
The apparatus shall not be exposed to dripping or
splashing and no objects lled with liquids, such as
vases, shall be placed on the apparatus.
Where the mains plug or an appliance coupler is
used as the disconnect device, the disconnect
device shall remain readily operable.
1200 MacArthur Blvd. Suite 304, Mahwah, NJ 07430
1-800-999-2809
© Copyright 2018, Bogen Communications, Inc.
4
Installation
To install the Power Amplier:
1. Ensure the POWER switch is in the off position.
2. Connect the universal mains power line cord into the amplier.
3. Connect a Cat5 type cable into the amplier’s Ethernet port
and ensure the other end of the cable is correctly connected
to your network.
4. Set the Amplier Mode switch to either 70/25V 8Ω (Bridged),
or 25V, 8Ω or 4Ω (2 Channel mode). The default is 2 Channel
mode.
Bridged mode is typically used when higher power, single
channel operation with a high impedance loudspeaker
load is desired. A typical use-case would be for 70V or 25V
loudspeaker runs, where the total load is no less than 8Ω.
2 Channel mode is typically used for 8Ω or 4Ω loudspeakers
or 25V loudspeaker runs. This mode allows the two amplier
channels to run independently.
5. Connect the loudspeaker wires to the Amplier Output
Terminals, which are labeled A +/-, B +/-, C+/-, and D+/-, as
appropriate for the desire mode of operation (see Figures 1
& 2.).
Bridged mode operation requires the speaker wires to
be connected across a single, different terminal on each
channel (A+ and B- and/or C+ and D-). (See Figure 1.) If two
channel mode is used, then Channel A is connected to A+ and
A- terminals, Channel B is connected to B+ and B- terminals,
Channel C is connected to C+ and C- terminals, and Channel D
is connected to D+ and D- terminals. (See Figure 2.)
1200 MacArthur Blvd. Suite 304, Mahwah, NJ 07430
1-800-999-2809
© Copyright 2018, Bogen Communications, Inc.
5
Figure 1. Bridged Wiring
1200 MacArthur Blvd. Suite 304, Mahwah, NJ 07430
1-800-999-2809
© Copyright 2018, Bogen Communications, Inc.
6
1200 MacArthur Blvd. Suite 304, Mahwah, NJ 07430
1-800-999-2809
© Copyright 2018, Bogen Communications, Inc.
7
Figure 2. Two-Channel Wiring
Notice
Failure to observe minimum speaker impedance will cause
the amplier to self protect until the speaker conguration
is corrected.
6. If using the Line Input, you can route the signal to any paging
zone or station.
This balanced line level input can accept analog inputs up to
2V RMS. You can use either XLR or Phoenix (but not both)
as the input.
7. Plug the power line cord into the power source.
8. Toggle the Power switch to the On position.
For information about conguring the amplier for the Nyquist
system, refer to the Nyquist Power Ampliers Conguration
Manual.
Power Ratings
The NQ-A4300 can provide 300 Watts by four channels (A, B,
C, and D) into 25V, 8Ω, or 4Ω loads, or 600 Watts Bridged (two
channels – A+B Bridged and/or C+D Bridged) into 70V, 25V, or
8Ω load congurations.
The NQ-A4120 can provide 120 Watts by four channels (A, B,
C, and D) into 25V, 8Ω, or 4Ω loads, or 120 Watts Bridged (two
channels – A+B Bridged and/or C+D Bridged) into 70V, 25V, or
8Ω load congurations.
The NQ-A4060 can provide 60 Watts by four channels (A, B,
C, and D) into 25V, 8Ω, or 4Ω loads, or 120 Watts Bridged (two
channels – A+B Bridged and/or C+D Bridged) into 70V, 25V, or
8Ω load congurations.
1200 MacArthur Blvd. Suite 304, Mahwah, NJ 07430
1-800-999-2809
© Copyright 2018, Bogen Communications, Inc.
8
Viewing and
Understanding LEDs
Two LEDs appear on the front of the
amplier. One is labeled POWER
and appears as solid red during initial
power up, ashes green during a boot
sequence, and appears solid green
when fully booted.
The STATUS LED uses the following
indicators to provide information
about the appliance:
• Flashing red – No network con-
nection found.
• Solid blue – The ampli-
er is in an uninitialized
state and is not associated
to a server. (The server may be
in a discovery mode.)
• Solid green – The amplier is registered to a Nyquist server
and is in normal operation.
• Flashing green – The amplier has an IP address but is not
registered with the Nyquist server.
• Solid red – The amplier needs to be rebooted or reset so
that the Nyquist application can resume.
• Flashing blue – The amplier is updating.
1200 MacArthur Blvd. Suite 304, Mahwah, NJ 07430
1-800-999-2809
© Copyright 2018, Bogen Communications, Inc.
9
Clipping, Protection, and Temperature Indicators
In addition to the LEDs that appear on the actual appliance,
separate amplier module signal clipping, protection mode,
and temperature status indicators appear in the Nyquist
amplier’s web-based user interface. For more information
about these status indicators, refer to the Nyquist Audio Power
Ampliers Conguration Manual.
Using the Reset Button
The Reset button allows you to
restart the appliance or to reset
the appliance’s conguration
settings to the factory default
settings. For more information
about resetting conguration
settings, refer to the Nyquist
Audio Power Ampliers
Conguration Manual.
Notice
Every effort was made to ensure that the information in this
manual was complete and accurate at the time of printing; how-
ever, all information is subject to change.
1200 MacArthur Blvd. Suite 304, Mahwah, NJ 07430
1-800-999-2809
© Copyright 2018, Bogen Communications, Inc.
10
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