Signet PDA Loop active indicator

Signet PDA Loop active indicator

The API Outreach Output Plate includes two ultra-bright LEDs in a translucent diffuser overprinted with the AFILS 'ear' symbol. The LEDs illuminate when the Outreach network is powered to indicate that an AFILS system is installed.

SigNET's Outreach Plate audio input extension system comprises a range of wall, ceiling and desk mountable single gang audio input plates specifically designed to increase the audio input capability of an induction loop system. Covering the most common variants of audio connector, they work by mixing the signals from various audio input sources into one balanced line level input which can be fed into the line input of a compatible amplifier.

Mountable on 25mm back boxes, each plate features a built-in mixer, pre-amp, input level control and balanced output. The fact they can be installed at the most convenient point on an installation overcomes the need for long and potentially hazardous microphone/audio leads.

Typically, up to 10 Outreach plates (any mix) can be daisy-chained to one balanced line level input with cable lengths of up to 100m easily achievable using standard two-pair audio cable with no recognisable degradation of audio signal quality.

Each outreach plate requires four wires, two balanced line (A +, A –), one ground (0V) and one power connection (12-32 V DC regulated).

Product Features

• Includes two ultra-bright LEDs in a translucent diffuser overprinted with the AFILS 'ear' symbol
• The LEDs illuminate when the Outreach network is powered to indicate that an AFILS system is installed
• Can be connected to the balanced line level input of any audio system
• Fully cascadable – up to ten outreach plates can be daisy-chained to one balanced line level input
• Plates can be located at any convenient point on an installation
• Standard two-pair audio cable is ideal for most applications
• Network lengths of 100m easily achievable with no degradation of sound quality
• Built-in pre-amp, mixer and level controls included on all variants
• Overcomes the need for excessively long microphone and audio leads
• 12-32V dc operation
• +6dB overload capability
• Surface mountable on 25mm UK single gang back boxes
• Effectively acts as a multi-point distributed mixer with individual level controls
• Optional wall-mounting ‘AFILS ACTIVE’ and magnetic field strength indicators available for use with audio-frequency induction loop systems

Product Specifications

Power Requirements

• Supply volts: 12 to 37V regulated d.c.
• Supply current: 6 to 11mA 

Balanced Line I/O

• Input – balanced/unbalanced line: 0.775Vrms (0dBu)
• Input impedance: >10KΩ
• Output – balanced line: 0.775Vrms (0dBu) + 6dB (overload)
• Output impedance: <100Ω
• Frequency response: 90Hz to 20kHz
• Insertion loss/gain: <±0.05dB 
• Insertion signal to noise ratio: >79dB 
• THD + noise: <0.07%