ETS SM1-PA Microphone Pre-amplifier

The SM1-PA from ETS is a highest performance, omni-directional, pre-amplified microphone designed for fixed-location security applications. Its outstanding features include low-noise circuitry, adjustable filters, and a versatile power input, making it an ideal choice for capturing clear audio in diverse environments.

ETS SM1-PA Microphone Features

• Omni-directional Pickup Pattern: 25’ radius coverage ensures 360-degree audio capture, perfect for monitoring larger areas without blind spots.
• Low Noise MOSFET Pre-amplifier: Provides high-quality audio with minimal background noise, delivering clear recordings even in noisy environments.
• Wide Frequency Response: 500Hz-16KHz range captures a broad spectrum of sound, suitable for various applications from speech to ambient noise.
• Adjustable Lo-Cut Filter: Filters out unwanted low-frequency noise (500Hz to 1KHz), enhancing clarity in recordings and improving intelligibility.
• Adjustable Hi-Cut Filter: Allows customization (5KHz to 16KHz) to eliminate high-frequency interference, ensuring optimal audio quality.
• Adjustable Automatic Gain Control: Compression range from 1:1 to 10:1 prevents audio clipping while maintaining balanced sound levels.
• Adjustable Output Level: Post AGC output level control ensures ease of integration with various audio systems.
• 100 Ohm Unbalanced Output: Compatible with a wide range of equipment while providing reliable signal transmission.
• Treble Boost Pre-emphasis: Enhances high frequencies for improved clarity, especially useful in environments with background noise.
• 3-Position Euro-Style Connector: Streamlined cable termination for quick and clean installations, reducing setup time.
• Flexible Power Options: Operates on 12-60VDC or 9-42VAC @15mA, accommodating different electrical configurations.
• On-Board Voltage Regulator and RFI Filtering: Ensures stable performance and minimizes interference from radio frequencies.
• Versatile Mounting Options: Flexible plastic plate allows for flush mounting or installation on a single gang electrical box.
• Industrial Temperature Range: Designed to operate in extreme environments with a range of –40 to 105C, ensuring reliability.

Detailed ETS SM1-PA Specifications