Bogen NYQUIST NQ-A2300 Quick start guide

Publication Number 740-00057A
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-A2300
Audio Power Amplier
Installation and Use
The networked Audio Power
Amplier is designed to
support a full range of
commercial paging and
public address applications
- regardless of the venue
size. The NQ-A2300 can
operate in 2-channel mono
or single channel bridged
mode, depending on the
application need.
This networked audio
power amplier is a 2RU
high enclosure containing
a Class D audio power amplier, a universal switched-
mode power supply, an RJ45 network jack, a USB port, and
Phoenix style terminals for both loudspeakers and Line-Out
connections. Optionally, the Line-Out can be connected using
the available XLR connector.

1200 MacArthur Blvd. Suite 304, Mahwah, NJ 07430
1-800-999-2809
© Copyright 2018, Bogen Communications, Inc.
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.
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
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ventilation openings with items, such as newspapers,
tablecloths, 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 util-
isé 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.
1200 MacArthur Blvd. Suite 304, Mahwah, NJ 07430
1-800-999-2809
© Copyright 2018, Bogen Communications, Inc.
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4. Follow all instructions.
5. Clean only with dry cloth.
6. DO NOT install near any heat sources such as
radiators, heat registers, stoves, or other apparatus
(including ampliers) 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 specied by
the manufacturer.
10. Unplug this apparatus during lightning storms or when
unused for long periods of time.
11. Refer all servicing to qualied 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.
1200 MacArthur Blvd. Suite 304, Mahwah, NJ 07430
1-800-999-2809
© Copyright 2018, Bogen Communications, Inc.
4

Installation
To install the Audio Power Amplier:
1. Ensure the POWER switch is in the off position.
2. Connect the universal mains power line cord into the
amplier.
3. Connect a Cat5 type cable into the amplier’s Ethernet port
and ensure the other end of the cable is correctly connected
to your network.
4. Set the Amplier Mode switch to the desired setting.
This amplier can be congured for single-channel bridged
mode (aka bridged-tied load) operation for 70V/25V/8Ω
applications, or 2-channel (mono) operation for 25V/8Ω/4Ω
applications. The Amplier Mode switch is used in
conjunction with the Bridged Signal routing setting in the
system console.
1200 MacArthur Blvd. Suite 304, Mahwah, NJ 07430
1-800-999-2809
© Copyright 2018, Bogen Communications, Inc.
5
WARNING:
The apparatus shall be connected to a mains socket
outlet with
a protective earthing connection.
To reduce the risk of re or electric shock, do not ex-
pose 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.

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 separate amplier channels to operate
independently.
5. Connect the loudspeaker wires to the Amplier
Output Terminals, which are labeled A +/- and B +/-.
Figure 1. Bridged Wiring Diagram
Bridged mode operation requires the speaker wires to
be connected across a single, different terminal on each
channel (A+ and B-). (See Figure 1.)
1200 MacArthur Blvd. Suite 304, Mahwah, NJ 07430
1-800-999-2809
© Copyright 2018, Bogen Communications, Inc.
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If two channel mode is used, then Channel A is connected to the
A+ and A- terminals and B channel is connected to B+ and B-
terminals. (See Figure 2.)
Figure 2. Two-Channel Wiring
Notice
The minimum impedance of a Bridged 70V/25V/8Ω High
Impedance system should not be less than 8Ω.
The minimum impedance of a 2CH 25V/8/4Ω system
should not be less than 4Ω per channel.
The combined total power of each speaker tap must not
exceed 80 % of the rated amplier power in either Bridged
70V/25V/8Ω mode or 2CH 25V/8/4Ω mode.
1200 MacArthur Blvd. Suite 304, Mahwah, NJ 07430
1-800-999-2809
© Copyright 2018, Bogen Communications, Inc.
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Failure to observe minimum speaker impedance will cause
the amplier to self protect until the speaker conguration
is corrected.
6. If using Line Input, route the input.
The amplier uses a balanced line level (up to 2V RMS) ana-
log audio input. You can use either XLR or Phoenix (but not
both) as the input.
This input can be routed to either or both amplier channels,
depending on the setting of the Amplier Mode switch.
7. Plug the power line cord into the power source.
8. Toggle the Power switch to the On position.
9. For information about conguring the amplier for the
Nyquist system, refer to the Nyquist Audio Power Ampliers
Conguration Manual.
Power Ratings
The NQ-A2300 can provide 300 Watts into two separate chan-
nels into 25V, 8Ω, or 4Ω, or 600 Watts Bridged (one channel) into
70V, 25V, or 8Ω load congurations.
1200 MacArthur Blvd. Suite 304, Mahwah, NJ 07430
1-800-999-2809
© Copyright 2018, Bogen Communications, Inc.
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Viewing and Understanding LEDs
Two LEDs appear on the front of the
amplier. 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 connection 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 amplier is registered to a Nyquist server
and is in normal operation.
• Flashing green – The amplier has an IP address but is not
registered with the Nyquist server.
• Solid red – The amplier needs to be rebooted or reset so
that the Nyquist application can resume.
• Flashing blue – The amplier is updating.
1200 MacArthur Blvd. Suite 304, Mahwah, NJ 07430
1-800-999-2809
© Copyright 2018, Bogen Communications, Inc.
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Clipping, Protection, and Temperature Indicators
In addition to the LEDs that appear on the actual appliance,
separate amplier module signal clipping, protection mode,
and temperature status indicators appear in the Nyquist
amplier’s web-based user interface. For more information
about these status indicators, refer to the Nyquist NQ-A2300
Audio Power Ampliers Conguration Manual.
Using the Reset Button
The Reset button allows you to restart
the appliance or to reset the appliance’s
conguration settings to the factory default
settings. For more information about resetting conguration
settings, refer to the Nyquist Audio Power Ampliers
Conguration 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.
Compliance
NOTE: This equipment has been tested and found to comply with
the limits for a Class A digital device, pursuant to Part 15 of the FCC
rules. These limits are designed to provide reasonable protection
against harmful interference when the equipment is operated in a
commercial environment. This equipment generates, uses and can
radiate radio frequency energy and, if not installed and used in accor-
dance with the instruction manual, may cause harmful interference
1200 MacArthur Blvd. Suite 304, Mahwah, NJ 07430
1-800-999-2809
© Copyright 2018, Bogen Communications, Inc.
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