Sounding tube preamp for Sub woofer


Active crossovers, as an integral part of the preamp, ideal for the drive amplifier for the subwoofer or active system!
IMG_20150609_031152

IMG_20150607_192150

Filter177IMG_20150612_001245IMG_20150612_001418

 

Leave a comment

Your email address will not be published. Required fields are marked *