PCB Piezotronics PRM2103 Outdoor Microphone Preamplifier Reference Manual

About this manual

The PRM2103 is an outdoor microphone preamplifier designed for use with Larson Davis environmental protection shrouds and sound level meters. It supports free-field, random, or 90-degree response with a single microphone and includes automatic calibration checks and humidity control. The manual covers installation, wiring, operation, and firmware upgrades.

Technical specifications include frequency response, electrical parameters, and compliance with IEC 61672 Class 1 standards. Accessories such as the 377B02 microphone, power supply, and cables are listed, along with software utilities for calibration and monitoring.

What's inside

• Overview
• Getting Started
• Operation
• Technical Specifications
• Legacy Operation
• Calibration Checks
• Firmware Upgrade

Specifications

Frequently asked questions

What environmental protection systems is the PRM2103 compatible with?

It is designed for use with EPS2116, EPS2106-3, and EPS2108-3 environmental protection shrouds.

What sound level meters can be used with the PRM2103?

It is compatible with Model 831 and SoundAdvisor Model 831C sound level meters.

What is the microphone sensitivity of the PRM2103?

It has a 50mV/Pa sensitivity with a typical range of 16 dB to 140 dB.