Atlona AT-GAIN-M50-LZ Käyttöohje
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1
Installation Guide
AT-GAIN-M50-LZ
50 Watt Mixer Amplier
AT-GAIN-M50-LZ
The Atlona AT-GAIN-M50-LZ is a two-input mixer amplier designed for low impedance
education and commercial applications. The amplier delivers either two channels of 25
watts each into 4 or 8 ohms, or a single channel of 50 watts. The GAIN-M50-LZ features two
unbalanced stereo audio inputs on RCA and 3.5 mm connections with independent level control
for each. An unbalanced 3.5 mm output allows the mixed signal to be passed to an assistive
listening system or separate amplier.
The GAIN-M50-LZ includes unique capabilities intended for education applications. Ducking
automatically lowers the program audio level on input 1 when a teacher speaks into a
microphone system connected to the unbalanced input 2. PA sense mutes the output of the
amplier whenever it detects activity on the school public address system. Both features ensure
important lesson material and announcements are heard clearly.
The compact, plenum rated enclosure allows the amplier to be mounted in a variety of locations
such as under a desk or table, on the wall behind a display, or in the ceiling.
The amplier includes an RS-232 port for automated operation from Velocity™ or third-party
control systems. It also supports remote volume control from the optional AT-GAIN-VOL
wallplate.
1 x AT-GAIN-M50-LZ
2 x 2-pin captive screw connectors
2 x 3-pin captive screw connectors
1 x 4-pin captive screw connector
4 x Machine screws
4 x Rubber feet
1 x 24 V / 3 A power supply
1 x AC power cord
1 x Insert w/ QR code
Package Contents
IMPORTANT: Visit https://www.atlona.com/product/at-gain-m50-lz for
the latest rmware updates and User Manual.
2
Installation Guide
AT-GAIN-M50-LZ
1 FW
Connect a USB-C cable to this port to
perform rmware updates. Refer to
Updating the Firmware (page 12) for
more information.
2 PWR
LED will be green when the AT-GAIN-
M50-LZ is powered.
3 IN 1, IN 2, OUT
LED will be green when set to the selected
input or output.
4 PORT button
Press this button to select the desired
port. Once the port is selected, the port
volume can be adjusted.
5 LEVEL
Press these buttons to increase (+) or
decrease (-) the audio output volume.
6 MUTE
Press this button to mute the audio
output.
7 DUCKING
Press this button to activate the audio
ducking feature.
Front Panel Descriptions
1 2 3 4 6 75
PWR
IN 1
IN 2
OUT
FW PORT LEVEL MUTE DUCKING
AT-GAIN-M50-LZ
GAINT M
-
+
3
Installation Guide
AT-GAIN-M50-LZ
INPUT OUTPUT 3ADC 24V
RX TX
CTRL / RS-232
V C
L R
1 2
-
+
TRIGGER MODE
STEREO
MONO
PA SENSE
CLASS 2 WIRING
L R
- -
+ +
LOOP
4Ω8Ω
SPEAKER
+
-
25V-100V
+
-
Rear Panel Descriptions
1 INPUT
Connect stereo RCA cables to INPUT 1
and/or connect a 3.5 mm stereo cable to
INPUT 2.
2 CTRL / RS-232
Connect the included 3-pin captive
screw connectors to these ports. The
top port is used for volume control, and
the bottom port is used to connect to a
control system. Both ports can be used
simultaneously.
3 TRIGGER
Connect one of the included 2-pin captive
screw connector to this port. Supports
audio mute with contact closure or PA
sense so announcements can be heard
clearly.
4 LOOP
Connect a 3.5 mm stereo cable from this
port to an assistive Listening System.
This port can also be used to daisy-chain
another amplier to the AT-GAIN-M50-LZ.
5 OUTPUT
Connect the included 4-pin captive screw
connector from this port to a pair of
program / stereo speakers. Supports 2 x
25 watts @ 4/8 ohms amplier (stereo or
dual mono) or 1 x 50 watts @ 4/8 ohms
(bridged).
6 MODE
Set this toggle switch to either STEREO
or MONO, based on the speaker
conguration of the port, above.OUTPUT
7 SPEAKER
Set this toggle switch to the correct
speaker impedance.
8 PA SENSE LED
This LED will be green when PA Sense is
active.
9 25V-100V (PA SENSE)
Connect one of the included 2-pin captive
screw connector from this port to a PA
speaker system.
10 Potentiometer (PA SENSE)
Adjusts the trigger voltage sensitivity.
11 DC 24V / 3A
Connect the included 24 V / 3 A power
supply from this port to an available AC
electrical outlet.
2 3 4 5 6 7 98 10 111
Tuotetiedot
| Merkki: | Atlona |
| Kategoria: | Kytkin |
| Malli: | AT-GAIN-M50-LZ |
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