The SM1-PA from ETS is a highest performance, omni-directional, pre-amplified microphone designed for fixed location security applications, providing exceptional audio clarity and reliability. Its advanced features and durable construction ensure optimal performance in a variety of environments.
ETS SM1-PA Microphone Features
- Omni-directional Pickup: 25’ pickup pattern captures sound from all directions, making it ideal for comprehensive audio monitoring.
- Low Noise Pre-amplifier: MOSFET technology ensures minimal noise interference, enhancing audio quality for clear recordings.
- Wide Frequency Response: 500Hz-16KHz range caters to various audio needs, ensuring accurate sound reproduction.
- Adjustable Lo-Cut Filter: Customizable filter (500Hz to 1KHz) eliminates unwanted low-frequency noise, improving clarity.
- Adjustable Hi-Cut Filter: Tailored filter (5KHz to 16KHz) reduces high-frequency noise, providing a balanced audio output.
- Automatic Gain Control: Adjustable compression range (1:1-10:1) maintains consistent audio levels, preventing distortion.
- Output Level Adjustment: Post AGC control allows for fine-tuning of output, ensuring compatibility with various systems.
- Unbalanced Output: 100 Ohm output facilitates easy integration with existing audio equipment.
- Treble Boost Pre-emphasis: Enhances higher frequencies for brighter sound, ideal for voice clarity in security applications.
- Easy Cable Termination: 3 position Euro-style connector simplifies installation, saving time and effort.
- Versatile Power Options: Supports 12-60VDC or 9-42VAC @15mA, providing flexibility in power supply choices.
- On-board Voltage Regulator: Ensures stable operation and RFI filtering, enhancing overall reliability.
- Flexible Mounting Options: Plastic plate can be mounted flush or on a single gang electrical box for versatile installation.
- Industrial Temperature Range: Operates effectively from –40 to 105C, making it suitable for harsh environments.
ETS SM1-PA Microphone Specifications
| Feature | Details |
| Type | Omni-directional Pre-amplified 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 | Adjustable Automatic (Compression range 1:1 – 10:1) |
| Output Level | Adjustable (post AGC) |
| Output Impedance | 100 Ohm Unbalanced |
| Power Supply | 12-60VDC or 9-42VAC @15mA |
| Temperature Range | –40 to 105C |
| Mounting Options | Flush or single gang electrical box |
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