omni-directional speakers

Forty years ago, the Ohm F speaker was a game-changer; it still is

Lincoln Walsh died a year before his radically innovative speaker technology made its commercial debut in the Ohm Acoustics F in 1972. The speaker featured an omnidirectional Walsh driver that projected a massive stereo soundstage. At the time of its introduction the $900 per pair Ohm F was hailed as one of the greatest speakers of all time by the international press. It sounded like nothing else, and the single 12-inch, truncated cone driver produced bass, midrange and treble frequencies (37Hz to 17kHz). The driver had a titanium top section, aluminum midband and paper bottom, with a single voice-coil at … Read more

Sountina NSA-PF1: Sony's high-end speaker?

Sony's making high-end speakers?

It's kind of like hearing master chef Mario Batali is concocting a $25 Quarter Pounder for McDonalds. It's just that I associate Sony speakers with the sort I hear in home-theater-in-a-box systems. You know, little plastic boxes with low-tech drivers. Those speakers can be decent enough, but they're light years away from bona-fide high-end audio devices.

Well, the Sountina NSA-PF1 doesn't look like anything I've seen from Sony, or any other speaker manufacturer. Exact design details are sketchy, other than to claim the speaker uses "Four columns linking these … Read more