Test Bench: The BMS 1” 5530ND High-Efficiency Compression Driver
This Test Bench characterizes a new BMS compression driver, the 1” 5530ND, introduced at Prolight+Sound 2019, as a new generation offering a compact physical package that is only 72 mm in diameter, ultra-low intermodulation distortion ring diaphragm, and very high efficiency. This article was originally published in Voice Coil, December 2019.