The Opus Technologies LD2.0 is the next-generation perimeter magnetic loop amplifier.  The 7-arms continuous output and all necessary functions (AGC, MLC, etc.) provide installation in spaces of up to 450m².

The amplifier incorporates a fault synthesis that continuously controls the loop and amplifier. The information is displayed on the front panel and can be deported with a dry touch.

The LD2.0 can also be used in a low diaphonic phased loop system or an ultra-high coverage system with a built-in 90° or 0° phase shift module (2 amplifiers). The solution is used for the equipment in large rooms or adjoining spaces (hairpin systems).

The LD1.0 proven technology and manufacturing quality provide 5 years of warranty.

Advantages

  • Class D amplifier
  • Ultra compact design
  • Total efficiency up to 92%
  • Fanless convection
  • Hight output voltage up to 48 Vpk
  • Automatic gain control
  • Metal loss correction
  • Wall-rounding attachment
  • Continuous loop monitoring with NO-NC relay
  • 5 years warranty

Technical specifications

Slave output
Coverage 450 m² (15*30 m²)
Operating temperature 0 do +45°C
Storage temperature -30 do +70°C
INPUT
Audio inputs 3 inputs: x2 line/microphone, x1 100 V
Connector type Phoenix and/or Combo Neutrik
Phantom supply 12V 2mA
Sensitivity -50 dB microphone, +40 dB 100 V, -10 dB line
Priority 100V input, INPUT 1
POWER SUPPLY
Type Integrated
Voltage 115/230 V (automatic)
50/60 Hz
Nominal power consumption at 1 Ohm 50 W
Maximum input power <300VA
Consumption at rest on connected loop 9W at 230V AC, 1 loop of 1 Ohm connected, at ambient temperature after 30 minutes of stabilization
AUDIO CHARACTERISTICS
THD <0.5% @1 ohm / 1 KHz / nominal currentk
Automatic gain control AGC optimized for speech
Dynamic> 36dB
Bandwidth 80 Hz to 9.5 kHz at -3 dB
OUTPUT
Loop impedance 0,5Ω à 3Ω
Output voltage 34V rms(48V pK)
Peak current 11A pK
RMS current 7A rms
0°or 90°phase shift
ADDITIONAL FUNCTIONS
LED display “Power”, “Protect”, “Clip”, “Loop”
Metal loss correction 0 to 3 dB per octave
Relay NO/NC fault relay
0,5A/125Vac, 1A/24VDC
DIMENSIONS (MM)
HxLxD 42 x 200 x 215 mm
Weight 1,48 kg

Downloads

Slovenščina Angleščina Hrvaščina
Data sheet x x
Handbook x x

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