คำอธิบาย
| Microphones | |
|---|---|
| Element | Fixed-charge back plate, permanently polarized condenser |
| Polar Pattern | Omnidirectional (O) / Bidirectional (figure-of-eight) (L/R/Z) |
| Frequency Response | 20 – 16,000 Hz |
| Open Circuit Sensitivity | O/L/R: -36 dB (15.85mV) (0 dB=1V/Pa,1 kHz); Z: -38.5 dB (11.9 mV) (0 dB=1 V/Pa,1 kHz) |
| Impedance | 100 ohms |
| Maximum Input Sound Level | O/L/R: 132.5 dB SPL (1 kHz THD1%) Z: 135 dB SPL (1 kHz THD1%) |
| Signal-to-Noise Ratio | O/L/R: 66.5 dB (1 kHz at 1 Pa, A-weighted) Z: 64 dB (1 kHz at 1 Pa, A-weighted) |
| Phantom Power Requirements | 11 – 52 V DC, 23.2 mA (all channels total) |
| Weight | Weight Mic: 160 g (5.6 oz); Ceiling Mount (AT8554): 420 g (16.2 oz) |
| Dimensions | Dimensions Mic: Max. body dia.: 61.6 mm (2.43″); Height: 111.8 mm (4.4″) Ceiling Mount (AT8554): 106 mm (4.2”) × 106 mm (4.2”) × 45.6 mm (1.8”) (W × D × H) |
| Output Connector | Euroblock connector |
| Accessories Included | ・Ceiling mount (AT8554) ・RJ45 breakout cable × 2 ・Retaining nut ・Seismic cable ・Isolator ・Cable tie |
| Notes | For product improvement, the product is subject to modification without notice. |
Features
- Cost-effective microphone system ideal for conference rooms and meeting spaces of all sizes
- Quad-capsule microphone array designed for use with the ATDM Series Digital SmartMixer® and other compatible mixers
- Limitless coverage with control of hypercardioid and cardioid directionality in 30-degree increments when used with a compatible mixer
- Proprietary audio matrixing technique (patent pending) for 360-degree capture of every voice in the room
- Mixer-controlled tilt function for vertical operation to accommodate different ceiling heights
- Two RJ45 connectors and push-type wire terminals for use with the AT8554 Ceiling Mount
- Logic-controlled LED provides a visual indication of mute status to the end user
- High-output design that can suppress noise from air conditioners and other sources for natural-sounding voices in online meetings, remote lectures, and other applications
- Low-reflective white finish to match most ceiling tile designs
- Includes two 46 cm (18″) breakout cables: RJ45 (female) to three 3-pin Euroblock connectors (female); RJ45 (female) to 3-pin Euroblock connector (female) and unterminated LED conductors
- Includes a 3.0 m (9.8′) microphone cable secured at the ceiling tile with a locking grommet for quick microphone height adjustment
- Proprietary shielding technology that protects the audio signals from radio frequency interference (RFI)
- Compatible with 11 to 52 VDC phantom power supplies
- Includes seismic cable for safe installation
- Plenum-rated (UL 2043) Ceiling Mount (AT8554) for ceiling installation
- Partner certification for use with system devices from other companies
