Jim Austin

Bob Katz on Loudspeaker Isolation

(Photo by Mary Kent)

Of late, Stereophile has written a lot about vibration-isolating footers under loudspeakers. The idea of isolating loudspeaker vibrations from floors is controversial. Many (perhaps most) designers believe that dynamic loudspeakers in particular—those with significant moving mass in their cones—should be rigidly connected to the floor as is typically done with spikes. A rigid connection of the speaker to the floor reduces the Newton-1 reactive motion of the cabinet in response to the motion of the cones, heavy woofers in particular. Cabinet motion could be expected to smear the loudspeaker's sound.

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Stereophile's Products of 2020

This is Stereophile's 29th Product of the Year issue; the first appeared in 1992. That was the year I finished grad school. It seems like a long time ago.

That year, the Loudspeaker of the Year was the $14,000/pair Sonus Faber Extrema. The winning digital source was the legendary Mark Levinson No.30 DAC—also approximately $14,000. JA later bought one, upgraded to 30.5, then to 30.6 status. He still has it.

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An argument for measurements

In my early years of writing about audio (footnote 1), I was known—to the extent that I was known at all—as something of an objectivist. I was, after all, working as an editor at a leading science journal at the time, just a few years out from a brief career as an actual scientist, still in recovery from the physics PhD I'd earned a decade or so before.
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Revinylization #11: James Booker, Louis Armstrong, Oscar Peterson, Joan Armatrading

Last month, I received so few vinyl reissues that I had to invite a guest writer—jazz critic and political commentator Fred Kaplan—to fill in. Fred had managed to grab an early copy of the excellent Analogue Productions 45rpm reissue of Bill Evans at the Montreux Jazz Festival. I didn't get mine until a week or so after his review was submitted.

This month, I have a tall stack to choose from, so I'll mention several.

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Revinylization #9: Sonny Rollins's Way Out West on ERC

Used copies of Sonny Rollins's classic 1957 record Way Out West are easy enough to find. The album has been reissued some 30 times on vinyl, most recently in 2018 on Craft Recordings (but read Michael Fremer's take on that reissue before buying). You can still buy Original Jazz Classics reissues from 1988—sealed —for about $20.

If you want an early pressing, though, your opportunities are limited. If you want an early pressing in collectable condition, expect to pay real money. And if you want that early pressing in pristine condition, good luck with that.

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In My Room

Listening rooms are real, imperfect places. Their character arises from their defects. I like real, imperfect things (footnote 1).

Not that there's such a thing as a perfect listening room. Every domestic listening room shares the same basic problem: Its most fundamental nature—its size and shape, the amount of space it carves out—results in resonances that can profoundly alter the sound of reproduced music, especially in the bass.

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Revinylization #8: Charles Mingus: Mingus Ah Um

I consider Charles Mingus one of the great American composers, at least on par with the most celebrated American classical dudes. With apologies to fans of that music, I'd much rather listen to this record, or any of several other Mingus recordings, than, say, Billy the Kid or Rhapsody in Blue. What makes Mingus great is precisely that, in contrast to Copland and Gershwin, when he explored the vernacular, it wasn't some pale imitation.
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