Mielta TA-2304-01 User manual

Transmitter amplifier
TA-2304-01
Passport
User manual
Tambov 2013

The device is designed to pair of car navigation tracker with
headset for voice calls functionality. Contains a low frequency amplifier
and the control module of half-duplex communication.
Parameters:
Voltage
11 - 35 V
Current consumption
50 –300 mА
Power
2 W
Speaker impedance
4 –16 Ω
Input impedance
20 кΩ
Amplification
31 –33 DB
Operating temperature
-40 - +80 °С
Degree of protection
IP40
The amplifier has two connectors of type 3.5 and 2.5 Jack to
connect the headset, the indicator of power supply availability, volume
knob. Terminal block for mounting is located inside the housing.
Headset
connector
Led
Volume
knob
Holes for
cable
mounting
1 2 3 4 5 Terminal block
Fig.1 Appearance of the amplifier with removed cover.

Clamps designation:
1
GND
Weight, audio cable screen
2
Out
The output of the microphone
3
In
The input of the amplifier
4
GND
Ground supply
5
V+
Power supply voltage +11 –35 V
The amplifier is mounted in the area of direct driver access, in a
place protected against water and technical fluids. Connects to car's
lighter socket so that the supply voltage is automatically switched off.
For audio signal transfer shielded wire should be used. The power
supply circuit of the amplifier requires the presence of the fuse.
Tangent
Speaker
Fig. 2 scheme of the headset
Microphone
When you connect the audio source with
bipolar output, use one of the two outputs to
ground. The second output is not used.

Fig. 3 Example of the connection of unipolar and bipolar signal source.
After installation, you should sound and adjust the volume level
to an acceptable that does not cause distortion. The amplifier operates
in half-duplex mode. To activate the microphone you must press the
tangent, it will disable built-in loudspeaker.
[phone]
E-mail: [e-mail]
Site: www.mielta.ru