Audio Press Box APB-112 OW-D Manuale utente
APB-112 OW-D
Press Conference Audio Distribution Amplifier
Owner’s manual
English
Always follow the basic precautions listed below to avoid the possibility of serious injury or even death from electrical shock, short-circuiting, damages,
re or other hazards. These precautions include, but are not limited to, the following:
Always follow the basic precautions listed below to avoid the possibility of physical injury to you or others, or damage to the device or other property.
These precautions include, but are not limited to, the following:
Do not open
• Do not open the device or attempt to disassemble the internal parts or modify them in any
way. The device contains no user-serviceable parts. If it should appear to be malfunctioning,
discontinue use immediately and have it inspected by qualied AudioPressBox service
personnel.
Water warning
• Do not expose the device to rain, use it near water or in damp or wet conditions, or place
containers on it containing liquids which might spill into any openings.
• Never insert or remove an electric plug with wet hands.
WARNING
CAUTION
If you notice any abnormality
• If the power cord or plug becomes frayed or damaged, or if there is a sudden loss of
sound during use of the device, or if any unusual smells or smoke should appear to be
caused by it, immediately turn o the power switch, disconnect the electric plug from
the outlet, and have the device inspected by qualied AudioPressBox service personnel.
• If this device or the AC power adaptor should be dropped or damaged, immediately turn
o the power switch, disconnect the electric plug from the outlet, and have the device
inspected by qualied AudioPressBox service personnel.
Power supply/Power cord
• Remove the electric plug from the outlet when the device is not to be used for extended
periods of time, or during electrical storms.
• When removing the electric plug from the device or an outlet, always hold the plug itself
and not the cord. Pulling by the cord can damage it.
• To avoid generating unwanted noise, make sure there is 50cm or more between the AC
power adaptor and the device.
• Do not cover or wrap the AC power adaptor with a cloth or blanket.
2
• Do not expose the device to excessive dust or vibrations, or extreme cold or heat (such
as in direct sunlight, near a heater, or in a car during the day) to prevent the possibility of
panel disguration or damage to the internal components.
• Do not place the device in an unstable position where it might accidentally fall over.
Connections
• Before connecting the device to other devices, turn o the power for all devices. Before
turning the power on or o for all devices, set all volume levels to minimum.
Handling caution
• When turning on the AC power in your audio system, always turn on the power amplier
LAST, to avoid speaker damage. When turning the power o, the power amplier should
be turned o FIRST for the same reason.
• Do not insert your ngers or hands in any gaps or openings on the device.
• Avoid inserting or dropping foreign objects (paper, plastic, metal, etc.) into any gaps or
openings on the device If this happens, turn o the power immediately and unplug the
power cord from the AC outlet. Then have the device inspected by qualied AudioPressBox
service personnel.
• Do not use the device or headphones for a long period of time at a high or uncomfortable
volume level, since this can cause permanent hearing loss. If you experience any hearing
loss or ringing in the ears, consult a physician.
• Do not rest your weight on the device or place heavy objects on it, and avoid use excessive
force on the buttons, switches or connectors.
XLR-type connectors are wired as follows (IEC60268 standard): pin 1: ground, pin 2: hot (+), and pin 3: cold (-).
AudioPressBox cannot be held responsible for damage caused by improper use or modications to the device, or data that is lost or destroyed.
The performance of components with moving contacts, such as switches, volume controls, and connectors, deteriorates over time. Consult qualied AudioPressBox service personnel about replacing defective
components.
Illustrations herein are for explanatory purposes only, and may not match actual appearance during operation.
Company names and product names herein are trademarks or registered trademarks of their respective companies.
Specications and descriptions in this owner’s manual are for information purposes only. AudioPressBox reserves the right to change or modify products or specications at any time without prior
notice. Since specications, equipment or options may not be the same in every locale, please check with your AudioPressBox dealer.
Dear customer,
Thank you for purchasing the AudioPressBox APB-112 OW-D.
APB-112 OW-D is an active AudioPressBox unit with one channel DANTE input, 12 transformer isolated outputs with switchable Mic/Line output level.
OW suffix means that the unit is designed for wall mounting. The unit is powered directly from Dante network via PoE. It is a PoE Class 3 device
The package contains:
1. APB-112 OW-D unit
2. Test report
Transformer
Individually transformer isolated outputs.
PoE powered (Class 3 device)
Features:
APB-112 OW-D
4
TRANSFORMER
12 x
Switchable Mic/Line output Level
for each output
1-channel Dante interface
APB-112 OW-D
1.) Mic/Line switch
Output level switch. You can individually
select nominal output level for each output.
Mic = -26dBu, Line = +6dBu
2.) Mic/Line outputs
Twelve Individually transformer isolated
balanced outputs with switchable output
level: MIC -26dBu, Line +6dBu. Standard
Neutrik 3-pin XLR connector
3.) Power LED
Indicates that the device receives PoE power
and is ready for use
4.) Output level indicator
Indicates the analog output level in dB. 0dB
is nominal output level which corresponds
to +6dBu (Line) or -26dBu (Mic) on outputs
5.) Dante connector
Standard RJ45 connector for connecting to
PoE and Dante network
5
3
245
1
6
Usage
APB-112 OW-D is designed for use as a distribution audio amplifier for press conferences. It features one
digital input from Dante network and twelve analog audio outputs with individual output level switch – MIC/LINE.
There is no signal processing inside. All desired processing should be done in other devices (e.g. mixing console or
DSP). So, the APB-112 OW-D is suitable for fixed installations with integrated Dante network.
For proper operation and to maintain declared parameters, it is necessary to drive the APB with the correct
signal level from Dante network. The nominal analog output level of APB is +6dBu which corresponds to -20dBFS
(FS = Full Scale) of digital signal on Dante network. So, we recommend to drive the APB with digital signals
somewhere between -30dBFS and -18dBFS. Also, it is very useful to drive the APB with a processed signal e.g. with
applied compressor and limiter to reduce the dynamics of the signal especially for speech.
7
Operations
For more information about Dante controller set up click on the following link:
www.audiopressbox.com/manuals/APB-112-OW-D
1.
Connect the APB to Dante network
with PoE capability
APB-112 OW-D is a PoE Class 3 device, so it
can be powered from a basic PoE
2.
Make the Dante signal routing
APB is set by default to obtain IP
address from DHCP server.
In Dante network you will see the APB as:
APB112OW-D-serialnumber. You can change it
in Dante controller software. In this software
you can also route the signal to APB
3.
Set up the levels
Set up the output level on your source device
to reach the nominal output on APB – 0dB LED
on Output Level indicator. You can also set the
output level switch for each output as desired
– Mic or Line
4.
APB is ready to use!
Installation
APB-112 OW-D is designed for “On Wall” installation.
8
1.) Unscrew 4 screws on top panel
2.) Release the back panel
3.) Screw it to the wall, the wall may be
from concrete, stud, wood… Please use
suitable mounting method for your type
of wall material
4.) Connect the RJ-45 cable to APB
5.) Screw the APB to the back plate
9
Specications
Audio Press Box APB-112 OW-D
Type 1in 12out
Groups 1
Input section
Inputs 1
Input type digital, Dante
Input connector RJ-45
Output section
Outputs 12
Output type analog
Output Level switchable – Mic: -26dBu, Line: +6dBu
Maximum Output Level +20dBu (no load)
+14dBu (600Ohm)
Output impedance MIC: 220 Ohm LINE: 600 Ohm
Output connector Neutrik 3-pin XLR, male
Output isolation Transfomer for each output
SNR >70dB (nominal output)
THD+N < 0,05% 1kHz < 0,1% 100Hz
Frequency response 20Hz to 20kHz /-3dB
Indicators Power, Output level
Power supply PoE, Class 3
Dimensions (WxHxD) 280x138x50 mm
Weight 2750 g
10
Block diagram
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