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AUDIOropa ProLoop Los Plus Loop Amplifier

Product Code: HT A-4254-0

Key Features
  • Homogeneous signal supply to rooms up 1,000 m²
  • No signal fluctuation when the hearing aid wearer moves the head
  • Reduced sensitivity towards architecture-related steel reinforcements
  • High efficiency, low power consumption
  • 19" model
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  • Features
  • Overview
  • Technical Specs
  • Documents

AUDIOropa ProLoop Los Plus Loop Amplifier

As a ready-for use system for operating low-overspill systems in large rooms of up to 1,000 m², the induction loop amplifier PROLOOP LOSplus has all the required electronic equipment in one single casing.

The high-performance amplifier has an Automatic Gain Control (AGC) that also guarantees steady sound with excellent speech reproduction even in challenging acoustic conditions. For sound quality control on the induction loop outputs A and B, the PROLOOP LOSplus has a monitoring output for headphones.

Exempt from GST under exemption code R11

Warranty

We offer a 5 year warranty on this product from its date of purchase. For more information regarding our support, repair and warranty, please download our Warranty Guide here.

Main connection 230 V AC, 45-60 Hz, 150 Watt
Passive protection Fuse 1,5 A
Surface coverage 1,000 sqm acc. to IEC 60118-4

Induction Loops Output

Max. current 2x 12 A RMS / 2x 33,9 A from peak to peak, 1-5 ms, 1 kHz
Max. voltage 2x 31,1 V RMS / 2x 88 V peak to peak
Output AGC Sets the voltage and current for continuous signals such as oscillation and sinus curves to -10 dB after 0.6-1 seconds. Short pulses and normal program signals are not limited.
Frequency range 100 – 5.000 Hz (±3 dB)
Distortion < 1 %
Cable connection 2 screw terminals on the reverse of the device

Outputs

Slave LINE OUT 6.3 mm jack plug
Induction loop monitoring 1 headphone output (left audio channel for induction loop output A and right audio channel for induction loop output B)

Inputs

IN 1 XLR(F) socket, Microphone input MIC sensitivity 2.5 mV – 10 V RMS
IN 2 XLR(F) socket, can be switched as a microphone or line input
IN 3 6.3 mm jack plug
Special 100-V priority input for connection to PA systems

AGC

Dynamics > 36dB

Control and display

Loop setting Rotary knob for channel A and B
Input level IN 1, IN 2 und IN3 can be set separately
Display Main connection: 1 green LED
Input level: 6 different coloured LEDs
Current: 6 red LEDs per loop channel

Housing

Dimensions 90 x 430 x 270 mm (H x W x D), 19-inch rack (2 height units)
Attachment 4 attachment points on the front plate for installation in 19-inch rack
Colour black
Weight 9,3 kg

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