LONG-RANGE STEREO MICROPHONES

摘要

Areadily available Velleman "Super Stereo Ear" Mini Kit, or manufactured "for the hard of hearing," microphone/amplifier assemblies, plus some PVC tubing, foam inserts, a few pieces of wood, and a handful of nuts, bolts, and volts is all that is needed to build a stereo microphone system that lets you pick up distant acoustic signals with clarity and accuracy.