SigNET - APM
Omni-directional Microphone on a Plate
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Product Description
The Signet APM is an Omni-Directional Microphone fitted onto a standard UK single-gang plate.
Ideal for use as part of an installed Audio Induction Loop System where fixed-position microphones are required, the APM can be installed on walls or desktops.
Featuring a self-contained omni-directional electret microphone with built-in mic-to-line level converter, this wallplate microphone offers excellent coverage (typically up to 25m² when located at a ceiling height of 2.3 ~ 3 metres.
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Signet Outreach Plate Range:
A range of wall, ceiling and desk mounting single gang input plates, 'Outreach' Plates are specifically designed to increase the audio input capability of any audio system.
Up to ten plates of any mix can be daisy-chained to one balanced line level input with lengths in excess of 100 metres easily achievable using standard two-pair audio cable.
All plates are surface mountable on 25mm single-gang back-boxes and can be installed at the most convenient point of an installation, thus overcoming the need for long and potentially hazardous microphone/audio leads.
Ideal for use as part of an installed Audio Induction Loop System where fixed-position microphones are required, the APM can be installed on walls or desktops.
Featuring a self-contained omni-directional electret microphone with built-in mic-to-line level converter, this wallplate microphone offers excellent coverage (typically up to 25m² when located at a ceiling height of 2.3 ~ 3 metres.
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Signet Outreach Plate Range:
A range of wall, ceiling and desk mounting single gang input plates, 'Outreach' Plates are specifically designed to increase the audio input capability of any audio system.
Up to ten plates of any mix can be daisy-chained to one balanced line level input with lengths in excess of 100 metres easily achievable using standard two-pair audio cable.
All plates are surface mountable on 25mm single-gang back-boxes and can be installed at the most convenient point of an installation, thus overcoming the need for long and potentially hazardous microphone/audio leads.
Specification Sheet
- Click to download: outreachplates_spec.pdf
Manual
- Click to download: apm_manl.pdf
- 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 cable is idealfor most applications
- Network lengths of 100 metres easily achievable with no degredation of sound quality
- Built-in pre-amp, mixer and level controls included on most variants
- Overcome the need for excessively long micorphone and audio leads
- Surface-mountable on 25mm UK single gang back boxes
- Effectively acts as a muliti-point distributed mixer with individual level controls
| Description | APM |
|---|---|
| Module | 1 Gang Plate |
| Gain | 55db |
| Level Control | 0 ~ 46dB |
| Signal to noise ratio | >75dB |
| THD + noise | |
| Supply Volts | 12 ~ 32v |
| Supply Current | 12 ~ 15mA |
| Input - balanced.unbalanced Line | 1v (0dBv) |
| Output - balanced line | 1v (0dBv) + 6dB (overload) |
| Frequency Response | 40Hz ~ 20kHz |
| Input impedance | >10kΩ |
| Output Impedance | |
| Insertion Signal to Noise Ratio | >95dB |
| Weight (Gross) | 0.01kg |
