Bogen NQ-PA120 Quick start guide
Publication Number 740-00112B
NQ-PA120,
NQ-PA240,
NQ-PA600 Public Address
Ampliers Installation and Use
The Nyquist Public Address Ampliers are DSP-
based integrated mixer and power ampliers de-
signed for paging and public address applications.
They enable microphone and line-level source
inputs to be integrated into a Nyquist system. The
NQ-PA120 and
NQ-PA240 public
address ampliers
are each a half-rack
1RU high enclosure.
The NQ-PA-600
public address amplier is a half-rack 2RU high en-
closure.
Each enclosure contains a Class D audio power
amplier, a universal switched-mode power supply,
an RJ45 network jack, a USB port, and pluggable
Phoenix style terminals for Mic/line inputs, and
loudspeaker and Line-Out connections.
1200 MacArthur Blvd. Suite 304,
Mahwah, NJ 07430 • 1-800-999-2809
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WARNING: To reduce the risk of re or electric
shock, do not expose this apparatus to rain or mois-
ture.
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’ob-
jet.
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 ob-
1200 MacArthur Blvd. Suite 304,
Mahwah, NJ 07430 • 1-800-999-2809
© Copyright 2019, Bogen Communications, Inc.
3
struée ou doit être facilement accessible pendant son
utilisation. Pour être complètement déconnecté de
l’alimentation d’entrée, la prise doit être débranchée
du secteur.
Minimum distances 10cm around the apparatus for
sufcient ventilation.
- 10cm distance minimale autour de l’appareil pour
une aération sufsante
The ventilation should not be impeded by covering
the ventilation openings with items, such as news-
papers, table-cloths, curtains, etc.
- il convient que l’aération ne soit pas gênée par l’ob-
struction 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 sourc-
es 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.
1200 MacArthur Blvd. Suite 304,
Mahwah, NJ 07430 • 1-800-999-2809
© Copyright 2019, Bogen Communications, Inc.
4
Notice
Every effort was made to ensure that the
information in this manual was complete and
accurate at the time of printing; however, all
information is subject to change.
Important Safety Information
WARNING: To reduce the risk of re or electric shock,
do not expose this apparatus to rain or moisture.
1200 MacArthur Blvd. Suite 304,
Mahwah, NJ 07430 • 1-800-999-2809
© Copyright 2019, Bogen Communications, Inc.
5
Always comply with the following basic safety pre-
cautions 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.
6. DO NOT install near any heat sources such as
radiators, heat registers, stoves, or other appa-
ratus (including ampliers) that produce heat.
7. DO NOT defeat the safety purpose of the polar-
ized 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.
1200 MacArthur Blvd. Suite 304,
Mahwah, NJ 07430 • 1-800-999-2809
© Copyright 2019, Bogen Communications, Inc.
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8. Protect the power cord from being walked on
and/or pinched, particularly at plugs, conve-
nience receptacles, and the point where they
exit from the apparatus.
9. Only use attachments/accessories which are
specied by the manufacturer.
10. Unplug this apparatus during lightning storms
or when unused for long periods of time.
11. Refer all servicing to qualied service person-
nel. Servicing is required when the apparatus
has been damaged in any way, such as pow-
er-supply cord or plug is damaged, liquid has
been spilled or objects have fallen into the
1200 MacArthur Blvd. Suite 304,
Mahwah, NJ 07430 • 1-800-999-2809
© Copyright 2019, Bogen Communications, Inc.
7
apparatus, the apparatus has been exposed to
rain or moisture, does not operate normally, or
has been dropped.
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.
Installation
To install the Nyquist Public Address 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.
1200 MacArthur Blvd. Suite 304,
Mahwah, NJ 07430 • 1-800-999-2809
© Copyright 2019, Bogen Communications, Inc.
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4. Connect the loudspeaker wires to the Amplier
Output Terminals, which are labeled + and -.
This amplier is congured for single-channel
operation for 70V/8Ω applications.
1200 MacArthur Blvd. Suite 304,
Mahwah, NJ 07430 • 1-800-999-2809
© Copyright 2019, Bogen Communications, Inc.
9
Notice
The minimum impedance of this 70V/8Ω
High Impedance system should not be less
than 8Ω.
The combined total power of each speaker
tap must not exceed 80% of the rated
amplier power.
Failure to observe minimum speaker
impedance will cause the amplier to self
protect until the speaker conguration is
corrected.
5. If using Mic/Line Input, route the input.
This amplier uses a balanced analog audio
input. You can use either XLR or Phoenix (but
not both) as the input.
6. Plug the power line cord into the power
source.
7. Toggle the Power switch to the On position.
1200 MacArthur Blvd. Suite 304,
Mahwah, NJ 07430 • 1-800-999-2809
© Copyright 2019, Bogen Communications, Inc.
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8. For information about conguring the amplier
for the Nyquist system, refer to the Nyquist Pub-
lic Address Ampliers Conguration Manual.
Power Ratings
The NQ-PA120 can provide 120 Watts into 70V or
8Ω load congurations.
The NQ-PA240 can provide 240 Watts into 70V or 8Ω
load congurations.
The NQ-PA600 can provide 600 Watts into 70Vor 8Ω
load congurations.
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.
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