paging microphone

A- 1
The A-1 is a high performance desktop microphone for
professional Public Address installations. It has lighting
indicators in order to show active state, line busy or permissionto-speak granted.
Thanks to its internal microcontroller, it is able to work under
different systems and with different operational modes: on/off
button, push to talk button, RS-485 communication or TTL
through 2 wires, advise-tone to initiate/cut communication and
TTL control level selection.
It is an ideal paging microphone to be placed at any point of
the installation due to its small dimensions, its elegant design
and its high resistance material.
A1 Features:
High performances dynamic capsule
Local power supply.
Audio gain setting.
Configurable contact relay for auxiliary system.
Busy line and conceded-word indicators.
Lighting indicator placed in the goose-neck.
Suitable for EN 60849 PA/VA systems like SONORA.
Technical Specifications:
Power supply
5V DC , 200mA.
Frequency response
200- 15000 Hz (+/-2dB).
Audio output
750mV 600 balanced
S/N ratio
100 dB (A weighting)
-43 dB. at 1KHz
Axial polar hypercardioid diagram
Transducer type
Dynamic with mobile coil.
125 x 45 x 125 mm (width x height x depth)
Length of gooseneck
Power consumption
Rear view:
LDA Audio Tech - Severo Ochoa Nº 31- 29590 MÁLAGA, SPAIN. Tlf: +34 952028805.
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