In 1976, Carl Marchisotto joined the company, designing support products for the DQ-10 including a subwoofer, variable low-pass filter, and a passive crossover. Jon Dahlquist is no longer actively involved with the company; Carl has now assumed the engineering responsibilities at Dahlquist and is the designer of the latest group of Phased Array loudspeakers (footnote 1). This new line, introduced at the Winter 1990 CES in Las Vegas, encompasses three models: the $850/pair DQ-8, the DQ-12 reviewed here, and the $2000/pair flagship, the DQ-20i.

Were it not for the fact that I'm about to tell you so, there's nothing that would clue you in: The Beyerdynamic DTX 350 m ($59) looks about like any cheap plastic headphone you might run across at WalMart...but beauty runs deep with this one. Check it out.