Bogen Nyquist NQ-A2060-G2 User manual
2-Channel Audio Power Amplifier
Configuration Guide
NQ-A2060-G2, NQ-A2120-G2, NQ-A2300-G2
© 2021 Bogen Communications, Inc.
All rights reserved.
740-00159
210811
ii
Contents
Contents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ii
List of Figures . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . iii
List of Tables . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . iv
Configuring the Two-Channel Audio Power Amplifiers . . . . . . . . . . . . . . . . . . . . . . . 1
Using the Dashboard . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2
Standalone Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3
Updating Firmware . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4
Network Settings Tab Parameters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6
Configuration Settings Tab Parameters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .9
Standalone Operation Configuration Settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .11
Accessing Log Files . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .15
Setting DSP Parameters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .17
Setting the Channel Level. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .21
Signal LEDs, Clip LED, and VU Meters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .21
Muting a Channel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .21
Adjusting Volume Levels . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .22
Knob Adjustments . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .22
Amplifier Mute . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .22
Compressor. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .24
Delay . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .26
Graphic EQ . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .28
High/Low Pass . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .29
Limiter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .31
Noise Gate . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .33
Parametric EQ. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .35
Peak Limiter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .36
Presets . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .38
RMS Limiter. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .41
Router . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .43
Settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .44
Signal Present. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .46
Standby . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .47
Status . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .49
iii
List of Figures
Figure 1. Nyquist Appliance Login. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1
Figure 2. 2-Channel Power Amplifier Dashboard . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2
Figure 3. Firmware Update Page . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4
Figure 4, Network Settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6
Figure 5. Appliance Configuration Settings (Standalone disabled) . . . . . . . . . . . . . . . . . .9
Figure 6. Appliance Configuration Settings (Standalone enabled) . . . . . . . . . . . . . . . . .11
Figure 7, Logs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .16
Figure 8. DSP Page . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .18
Figure 9. Amplifier Mute Settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .23
Figure 10. Compressor Settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .24
Figure 11. Delay Settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .27
Figure 12. Graphic EQ Settings. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .28
Figure 13. High/Low Pass Parameters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .29
Figure 14. Limiter Settings. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .32
Figure 15. Noise Gate Settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .34
Figure 16. Parametric Equalizer Settings. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .35
Figure 17. Peak Limiter Settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .37
Figure 18. Presets Settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .39
Figure 19. RMS Limiter Settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .41
Figure 20. Router. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .43
Figure 21. Settings Parameters for 2 Channel Mono . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .45
Figure 22. Signal Present Parameters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .46
Figure 23. Standby Settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .48
Figure 24. Status for 2-Channel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .50
Figure 25. Status for Bridged Channel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .50
iv
List of Tables
Table 1. Appliance Dashboard Fields. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2
Table 2. Appliance Dashboard Buttons . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3
Table 3. Firmware Update settings. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5
Table 4, Network Settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7
Table 5. Configuration Settings (Standalone disabled) . . . . . . . . . . . . . . . . . . . . . . . . . .10
Table 6. Configuration Settings (Standalone enabled). . . . . . . . . . . . . . . . . . . . . . . . . . .12
Table 7, Logs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .16
Table 8. DSP Page . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .19
Table 9, DSP Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .20
Table 10. Amplifier Mute Settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .23
Table 11. Compressor Settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .25
Table 12. Delay Settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .27
Table 13. High/Low Pass Parameters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .30
Table 14. Limiter Settings. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .33
Table 15. Noise Gate Settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .34
Table 16. Peak Limiter Settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .38
Table 17. Preset Settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .40
Table 18. RMS Limiter Settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .42
Table 19. Signal Present Parameters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .47
Table 20. Standby Settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .49
Table 21. Status . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .51
1
Configuring the Two-Channel Audio
Power Amplifiers
Bogen’s Nyquist-based networked two-channel audio power amplifiers (NQ-A2060-G2,
NQ-A2120-G2, NQ-A2300-G2) support small, medium, and large Nyquist intercom solu-
tions in schools and in commercial paging and public address solutions.
Available in 120-, 240-, and 600-watt models, the audio power amplifiers provide flexibil-
ity and versatility without the need for add-on modules. Each model offers state-of-the-
art, built-in Digital Signal Processing (DSP) software—including factory loudspeaker pre-
sets—that turns the amplifier into a complete audio solution.
A short press of the appliance’s Reset button reboots the device. If you press the Reset
button for 10 seconds, the appliance returns to the factory default configuration settings.
Returning to the default configuration settings does not change the appliance’s firmware.
The following sections describe settings and configurations that can be applied to this
device which are not controlled by the Nyquist server. For information about using
Nyquist’s automatic configuration process, refer to the appropriate Nyquist System
Administrator Guide.
To access the appliance’s user interface (UI):
1Access the appliance’s web UI by doing one of the following:
a) On your web browser, enter the IP address for the appliance as the URL.
b) From the Nyquist web UI navigation bar, select Stations, select Stations Status,
navigate to the device that you want to configure, and then select the Link icon.
Note: Do not use third-party Chrome browser extensions with the Nyquist user inter-
face.
Figure 1. Nyquist Appliance Login
2
2At the Nyquist Appliance Login page, enter username and password, and then select
Login.
The default username is admin; the default password is bogen.
The dashboard for the selected appliance appears.
Using the Dashboard
The dashboard displays the following fields:
The following buttons are available at the top of all pages in the application.
Figure 2. 2-Channel Power Amplifier Dashboard
Table 1. Appliance Dashboard Fields
Device Type Identifies the model of this device.
Serial Number Identifies the serial number for the device.
MAC Address Specifies the Media Access Control (MAC) address,
which is a unique identifier assigned to network inter-
faces for communications on the physical network seg-
ment.
Firmware Version Provides the firmware version installed on the station.
Standalone Operation Enables or disables Standalone mode.
3
Standalone Operation
This device can run in Standalone Operation mode, where it will not interact with a
Nyquist server (e.g., E7000 or C4000). This means the device will not:
• Fetch device configuration from Nyquist server
• Register with Nyquist server (via SIP)
• Store backup information to Nyquist server
• Allow access to Nyquist server-based NTP
Standalone Operation mode is ideal for scenarios that do not require the full functionality
provided by an integrated system, such as the Bogen C4000 or E7000 Series, but has the
ability to provide paging, multi-channel audio processing, and a SIP endpoint for a PBX/
VoIP phone system. It can be used to play music, audio, paging, and related functions.
Table 2. Appliance Dashboard Buttons
Dashboard Displays the dashboard.
Configuration Settings Accesses the Configuration Settings page, where you
can view and set various options.If Standalone Opera-
tion is not enabled, you can also receive configuration
settings from a Nyquist server.
Network Settings Accesses the Network Settings page where you can view
and set network settings, such as the static IP address.
Firmware Update Accesses the Firmware Update page where you can view
the current Nyquist version, update firmware to a new
version, restore the configuration to factory defaults,
and reboot the appliance.
Logs Accesses log files, which record either events or mes-
sages that occur when software runs and are used when
troubleshooting the appliance.
DSP Accesses the DSP page where you can view and set
parameters for Digital Signal Processing (DSP).
Help Accesses the appliance’s online help.
Manual Displays the appliance’s configuration manual.
Logout Logs out of the appliance’s dashboard.
4
Updating Firmware
When you select Firmware Update from the appliance’s web UI, the Firmware Update
page appears. From this page you can determine which Nyquist firmware version the
appliance is using and if an update is available. You can also load a firmware release,
install the loaded firmware, restore the configuration to factory defaults, and reboot the
appliance.
To use the Firmware Update page:
1On the appliance web UI’s main page, select Firmware Update to view or update the
firmware version.
2If the device is in Standalone mode, selecting the Check for Updates button checks
the Bogen website for the latest firmware version available. If a version newer than
the one currently installed is found, it is downloaded to the appliance.
3Alternatively, if you already have a firmware file you would like to install to the appli-
ance, select Upload Firmware to upload the firmware file from your computer to the
Note: A Nyquist appliance connected to the Nyquist network receives a configuration
file from the Nyquist server that includes the latest firmware available from the server.
If the firmware is different from the one installed on the appliance, an automatic firm-
ware update occurs unless the Firmware parameter for the station is left blank. Refer to
the Nyquist System Administrator Guide for more information.
Figure 3. Firmware Update Page
5
appliance. A popup screen appears that allows you to select the file that you want to
upload. You can navigate to the file’s location. After you select the file, select Upload.
4The page displays the uploaded firmware version (“New Nyquist Version”) and an
Update Firmware button appears. Select this button if you want to update the appli-
ance’s firmware to the uploaded version.
5If you want to return your appliance to its original factory configuration, select
Restore Factory Settings.
6Select Reboot Appliance to restart your appliance.
Table 3. Firmware Update settings
Current Nyquist Version Shows the version of the appliance’s currently
installed firmware.
New Nyquist Version Shows the version of the firmware that has been
loaded, though not installed, onto the appliance.
Update Firmware Available only when a new firmware version has
been loaded onto the appliance (as specified in
New Nyquist Version).
Installs the loaded firmware. A reboot may be
required after installation.
Upload Firmware Prompts the user to specify a firmware file, which
will then be loaded (though not installed) onto the
appliance.
Note: To obtain the firmware file for a specific ver-
sion, please contact Bogen Customer Service.
Check for Updates Available only when the appliance is configured
for Standalone mode.
Checks the Bogen website for the latest firmware
version available. and if it finds a version newer
than what is currently installed, downloads it to
the appliance.
Restore Factory Settings Returns the appliance to its original factory con-
figuration.
Note: This does not install the original appliance
firmware. The firmware will not be changed.
Reboot Appliance Restarts the appliance.
6
Network Settings Tab Parameters
Network settings can be configured dynamically by the Nyquist server or manually by
using the appliance’s web UI.
To manually configure network settings:
1On the appliance web UI’s main page, select Network Settings.
2Select your desired network settings.
3Select Save.
Network settings are described in the following table:
Figure 4, Network Settings
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