Bogen NYQUIST NQ-A2300 Kurzanleitung

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

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

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

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

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

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

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

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

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

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

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