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  Products & Solutions     NVH     Products     Front Ends     BEQ II - Overview
  BEQ II.1 - Product Description
BEQ II.1 (Code 1347) - 2-Channel Front End
  Current Note regarding the essential firmware update for HMS III, HMS IV and BEQ II
When running a recording with an HMS III, HMS IV or a BEQ II while synchronously online monitoring the recording, there might occur strong overloads during a range shift (reduction of the recording range).
The occurring overloads injure the sense of hearing seriously.
Using the current firmware for the afore-mentioned recording devices prevents overloads during the range shift by means of a delayed fading.
We strongly recommend all our customers to keep all existing HMS III, HMS IV and BEQ II recording systems updated to the latest firmware and thus to protect yourself from a possible danger and to benefit from the continuing improvements of the products.
The firmware can be downloaded from the download area of our website:
  https://www.head-acoustics.de/eng/essential_firmware_update.php
If you do not have the access data to this website available, please apply to your HEAD acoustics contact.
Binaural, digital equalizer with 24 bit technology and USB interface
The digital equalizer BEQ II.1 combines the characteristics of an equalizer, a two-channel front end and an A/D converter into one mobile and very versatile measurement tool.
Binaural, aurally-accurate recordings can be conducted easily with BEQ II. The AES/EBU interface allows a quick and easy expansion into a four-channel system, e.g. with the HMS III or
  HMS IV. Via the ADAT interface, up to four BEQ II units can be connected, allowing for eight-channel recordings.
Integrated signal conditioning allows common measurement sensors (Microphone, Line, ICP®) to be directly connected to the front end. In addition, separate pulse inputs are available e.g. for RPM data acquisition.
Thanks to the high-performance built-in battery - external DC power supply is also possible - and its low weight, BEQ II.1 is the ideal tool for either mobile or stationary operation.
 
Front and rear view BEQ II.1
Applications
Sound and vibration analysis
Acoustic environment protection
Troubleshooting
Sound Engineering
Quality control
   
 
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