LA-402

Order No.: 0179160

Active loop amplifier,
with dynamic compressor for setting up an audio induction loop system in large rooms up to 750 m2.
Inductive transmission of audio signals allows users of hearing aids with a T-coil or induction loop receivers, e.g. the LR-202, to receive audio signals. Wireless transmiss…

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Productinfos
LA-402
Active loop amplifier,
with dynamic compressor for setting up an audio induction loop system in large rooms up to 750 m2.
Inductive transmission of audio signals allows users of hearing aids with a T-coil or induction loop receivers, e.g. the LR-202, to receive audio signals. Wireless transmission is an advantage of audio induction loop systems which makes it possible for the user to move freely within the loop.
Audio induction loop systems are used for various applications, e.g. as a hearing aid for the hearing impaired in houses of worship, theatres, cinemas, waiting rooms and lounges, as interpreting systems, for lectures in museums, exhibitions, etc.
With audio induction loop systems, an induction loop made of a wire winding is laid on the floor, the wall or along the ceiling and is controlled by a constant current amplifier. Thus, a magnetic field is created within the loop which induces a voltage into the T-coil of the hearing aid or into the induction loop receiver. In the receivers, this voltage is then converted again into an audio signal.
  • Dynamic compressor
  • Automatic talkover
  • Metal loss correction 0-3 dB/oct.
  • 3 mic/line inputs with 40 V phantom power, to be switched on additionally
  • 6.3 mm input for inserting external devices
  • Integrated SD card reader for reproduction of stored alarm messages
  • 2-way tone control
  • LED level meter
  • 482 mm (19") rack installation with supplied mounting brackets
Supplies Technical specifications

Technical specifications LA-402

LA-402
Loop current 14 A (peak)
Loop resistance 0.2-2 Ω
Room size up to 750 m2
Inputs mic 1.5 mV/6.8 kΩ, XLR, bal.

switchable to

line 630 mV/10 kΩ, XLR, bal.

line 630 mV/4.7 kΩ, RCA, unbal.

alarm: 2 screw contacts

for connecting a switch

Outputs loop: 2 screw contacts
Equalizer bass ±10 dB, 100 Hz
Equalizer treble ±10 dB, 10 kHz
Frequency range 50-8,000 Hz
THD < 1%
Admiss. ambient temp. 0-40 °C
Power supply ˜ 230 V/50 Hz/230 VA
Dimensions 482 x 88 x 280 mm, 2 RS
Weight 6.97 kg
Downloads
Product data sheet
Catalogue page
Declaration of conformity
Instruction manual
A179160Z
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