The SM1-PE from ETS is a highest performance, omni-directional, pre-amplified microphone designed for fixed location security applications, ensuring exceptional audio quality and reliability in various environments.
ETS SM1-PE Microphone Features
- Omni-directional Pickup: 25′ pickup pattern ensures comprehensive audio capture from all directions, ideal for security monitoring.
- Low Noise Pre-amplifier: Features a MOSFET pre-amplifier that minimizes background noise, enhancing clarity in recordings.
- Wide Frequency Response: 500Hz-16KHz frequency response with hi-cut and lo-cut options provides versatile audio performance tailored to your needs.
- Adjustable Lo-cut Filter: Adjustable from 500Hz to 1KHz, it eliminates unwanted low-frequency sounds, improving audio quality.
- Adjustable Hi-cut Filter: Ranges from 5KHz to 16KHz, allowing users to filter out high-frequency noise for clearer sound.
- Automatic Gain Control: Adjustable compression range (1:1-10:1) maintains consistent audio levels, preventing distortion.
- Volume Range Selection: Switch selectable between “Line level” (0db) and “Microphone level” (-30db) for flexible integration with different systems.
- Adjustable Output Level: Post AGC output level adjustment ensures optimal signal strength for various applications.
- Output Impedance: 100 Ohm unbalanced output facilitates compatibility with a wide range of audio equipment.
- Treble Boost Pre-emphasis: Enhances high frequencies for improved audio clarity, making it suitable for detailed monitoring.
- Connector Design: 3 position Euro-style connector allows for fast and clean cable termination, simplifying installation.
- Power Supply: Operates on 12-60VDC or 9-42VAC at 15mA, providing flexibility in power sourcing.
- Built-in RFI Filtering: On-board voltage regulators and RFI filtering protect audio quality from electromagnetic interference.
- Flexible Mounting Options: Can be mounted flush or on a single gang electrical box, offering versatility in installation.
Detailed Specifications for ETS SM1-PE
| Feature | Details |
| Type | Omni-directional Microphone |
| Pickup Pattern | 25 feet |
| Frequency Response | 500Hz – 16KHz |
| Lo-cut Filter | Adjustable 500Hz to 1KHz |
| Hi-cut Filter | Adjustable 5KHz to 16KHz |
| Gain Control | Automatic, 1:1 to 10:1 |
| Output Level | Adjustable Post AGC |
| Output Impedance | 100 Ohm unbalanced |
| Power Supply | 12-60VDC or 9-42VAC @ 15mA |
| Connector Type | 3 position Euro-style |
| Mounting Options | Flush or single gang electrical box |
| RFI Filtering | Built-in voltage regulators and filtering |



















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