IRMTX750 - Modulator & Radiator, The IRMTX750 is a compact combined modulator and radiator for infrared assistive listening systems,and forms the main transmitter in the Infra~Hear ™ range of products.Using high frequency modulation at 2.3MHz the Infra~Hear ™ products are immune to interference from energy saving lighting and plasma displays.

Features

• 750mW Power covers up-to 100 square metres
• High frequency modulation,free from lighting interference.
• Simple installation with included bracket
• Uses standard connectors
• Switchable Mic,Line and Mic with Phantom on XLR
• Switchable VOX operation for power saving
• Slave available for larger area coverage

Specification

• Modulation wideband FM
• Nominal deviation ± 50 kHz
• Carrier frequency 2.3 MHz
• AF input 3 pin XLR
• AF input Range -60dBV to +4dBV
• AGC Range 20dB
• AF frequency response 30-18,000 Hz
• THD (1 kHz,nom.dev.)<1%
• Signal-to-noise ratio >60 dB(A)rms
• RF output 3.5mm mono jack
• Output impedance approx.75
• IR diodes 10 @875nM
• Max.coverage area approx.100 m2
• Radiating power approx.750mW
• Operating voltage 12-15 V DC
• Power connector 2.1mm DC Jack
• Current consumption approx.250 mA
• Dimensions: Height 38mm,Width 132mm, Depth 70mm (115mm with bracket)
• Weight approx.700g