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SIGNET AFILS LOOP AMPLIFIER SYSTEMS - Accessories - Outreach Plates

These are a range of audio 'input plates' which fit in a UK standard (BS1363/BS4662), 25mm deep, single or dual-gang, electrical back-box. Designed to increase the audio input capability of an induction loop system, they cover most common variants of audio connector as well as inbuilt microphone. When installed at the most convenient point of an installation. mounted on wall, ceiling and desk, they overcome the need for long and potentially hazardous microphone and audio leads.

Each plate has a built-in mixer, pre-amplifier, input level control and a balanced output. They work by mixing the signals from various audio input sources into one balanced line level signal which can then be fed into the line input, of a compatible amplifier. Typically, 'up to ten 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.'

Two further plates are available, a 'Balanced Line Output Plate' to feed third-party audio equipment and the The 'Afils Active' indicator plate.

Each Outreach plate requires four wires; two balanced line (A +, A –), one ground (0V) and one power connection. Power source: 12 to 37V DC, regulated, 6 to 11mA. Many Signet AFILS loop amplifiers are fitted with an Outreach socket, but if the Outreach system is to be used with third party equipment which does not have a suitable DC power an external supply may be used, such as the APV Outreach plate, which is mounted in a dual-gang plate to fit UK standard back boxes, and requiring AC mains wiring, so should be installed by a suitably competent technician.

Specifications for the Outreach chain connections:

Line inputs: Balanced/unbalanced, 0.775Vrms (0dBu), 10kohms. Line outputs: Balanced, 0.775Vrms (0dBu) + 6dB (overload), less than 100 ohms. Response: 90Hz to 20kHz. Insertion loss/gain: Less than +/- 0.05dB. 'Insertion signal to noise ratio': '79dB THD + noise: 0.07%'.

Microphone Plates

APJ 3.5mm Microphone Jack Plate

Accepts 'unbalanced electret microphones with 3.5mm mono jack plugs. Includes an onboard mic to line level converter, high gain pre-amplifier and 8V phantom power'.

APQM 6.35mm (1/4 inch) Microphone Jack Plate

APXM XLR 3 Pin Microphone Plate

Accepts 'balanced or unbalanced microphones with standard 3 pin XLR connectors. Includes an on-board mic to line level converter, high gain pre-amplifier and 8V phantom power'.

APM Omni-Directional Plated Microphone

Accepts 'balanced or unbalanced electret microphones with 6.35mm (1/4 ") jack plugs. Includes an on-board mic to line level converter, high gain pre-amplifier and 8V phantom power'.
A 'self-contained omni-directional electret microphone complete with onboard mic to line level converter. Typical coverage up to 25m2 (ambient) or 2.5m (direct speech) when located at a ceiling height of 2.5-3m'.

Common specifications for microphone plates
Input signal level: -40dBu to -30dBu. Input gain control: 8 to 0dB. Input impedance: 500ohms. Phantom volts: 11V/0V (link selectable). Signal to noise ratio: better than 60dB. Distortion: Better than 0.07% THD + noise.

Line-Level Input Plates

APL Dual Phono Line Level Plate

Accepts 'stereo phono line-level signals (usually from a stereo source such as a TV). Includes an on-board stereo phono to mono converter'. This has two RCA (phono) inlet sockets.

APQL 6.35mm Line Level Plate

Accepts '6.35mm (1/4'') jack feeds from audio equipment such as stage or church mixing desks, etc.'

APXL XLR 3 Pin Line Level Plate

Accepts 'standard 3 pin XLR feeds from audio equipment such as stage or church mixing desks, etc.'

Common specifications for line input plates
Input signal level: -10dBu to +6dBu. Input gain control: 8 to 10dB. Input impedance: More than 1 kohm. Signal to noise ratio: Better than 71dB. Distortion: Better than 0.03%THD + noise.

Output plates

APXO XLR 3 Pin Balanced Line Output Plate

Provides 'an adjustable balanced line output (+12B max.) on a standard 3 pin male XLR connector. Typically used to connect an Outreach chain to third-party audio equipment such as conventional amplifiers.' Maximum XLR output signal level: +12dBu, balanced. Noise: -95dB. Output level control: 8to +12dB. Distortion: Better than 0.01%THD + noise.

API 'AFILS ACTIVE' 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.'

  Description Price (£) Add to basket
SIGNET APJ OUTREACH PLATE Input, single gang, 3.5mm jack socket, microphone level   Stock code:
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£23.06
SIGNET APQM OUTREACH PLATE Input, single gang, 6.35mm jack socket, microphone level   Stock code:
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£23.06
SIGNET APXM OUTREACH PLATE Input, single gang, 3-pin female XLR, microphone level   Stock code:
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£25.00
SIGNET APM OUTREACH PLATE Microphone, single gang, omni-directional, electret, with preamplifier   Stock code:
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£23.06
SIGNET APL OUTREACH PLATE Input, single gang, dual RCA (phono) connectors, line level   Stock code:
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£23.06
SIGNET APQL OUTREACH PLATE Input, single gang, 6.35mm jack socket, line level   Stock code:
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£23.06
SIGNET APXL OUTREACH PLATE Input, single gang, 3-pin female XLR, line level   Stock code:
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£25.00
SIGNET APXO OUTREACH PLATE Output, single gang, 3-pin male XLR, line level   Stock code:
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£38.23
SIGNET API OUTREACH PLATE Indicator, single gang, AFILS Active   Stock code:
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£23.06
SIGNET APV OUTREACH PLATE Power supply, dual gang 12V 250mA   Stock code:
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£51.46