Subwoofer Reviews

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Revel Ultima Sub 30 powered subwoofer

It didn't seem like such a big deal. After all, when designer Kevin Voecks added a passive radiator to the bottom of Revel Loudspeakers' powerful Ultima">http://www.stereophile.com/loudspeakerreviews/90">Ultima Sub 15 subwoofer, no one expected that the resulting 6dB increase in bass output below 35Hz would be so audible. However, Revel's sophisticated double-blind listening tests (described in my review of their flagship Ultima">http://www.stereophile.com/loudspeakerreviews/96">Ultima Salon full-range loudspeaker in the March 1999 Stereophile, revealed that a big change had occurred. With now twice the radiating surface, the modified Sub 15 produced significantly deeper, more powerful bass.


MartinLogan Depth powered subwoofer

"You certainly love weird music!" my wife yelled from the kitchen. This just reconfirmed my suspicion that reviewing subwoofers is a lonely job that brings no respect. What's so weird about the droning of Tibetan temple horns accompanied by the chants of Tibetan Gyuto monks, all framed by a powerful synthesizer in Philip Glass's soundtrack to Kundun (CD, Nonesuch 79460-2)? What's so strange about the karate-like cries of the drummers in the Kromata Percussion ensemble as they smash away at their timpani and gongs in Yoshihisa Taira's Hierophonie V (CD, BIS CD-232)? What's so odd about the shuddering majesty of 25Hz notes played by Harry Partch's one-of-a-kind Eroica Marimba, heard on his Delusion of the Fury (LP, Columbia M2 30576)? Why would any spouse object to the primitive, driving synthesizer growls and screams from Morton Subotnick's The Wild Bull (LP, Nonesuch H-71208)?


Velodyne Digital Drive DD-18 powered subwoofer

It's common to read ads for new audio hardware that crow about "revolutionary" breakthroughs in sound performance, and that's how Velodyne crowed about their new Digital Drive DD-18, servo-controlled, powered 18" subwoofer. The ads suggested that the DD-18 can be digitally equalized to one's room with a resultant in-room frequency response of 20-200Hz, ±3dB.


Genelec Studio Monitor 1031A loudspeaker & Studio Monitor 1092A powered subwoofer

Which loudspeakers do audio professionals listen to? And why should we care? After all, it's not as if recording engineers are the kind of refined, sensitive, music-loving types who read Stereophile. As much as they may love music, many audio pros appear only to view the original sounds of musical instruments as raw materials to be creatively reshaped and manipulated. (Okay, there are exceptions. But recordists who care about the sounds of real instruments usually record them in real acoustic spaces rather than in studios, and use as little signal processing as they can get away with.)

REL Acoustics Studio II powered subwoofer

From The Audio Catechism:
Q: What is a subwoofer?
A: A large, ugly device that must be placed in the most inconvenient location in the listening room—for instance, in front of the only door.
Q: What is the purpose of the subwoofer?
A: To produce prodigious amounts of low-frequency sound and to glorify its owner, who can rest safe in the knowledge that his is the biggest.


NHT SuperZero loudspeaker & SW2 subwoofer

What makes someone a good hi-fi reviewer? A fine critical sensibility? A good technical background? Ears? Eyes? Nose? Throat? So many different people are reviewing audio gear these days that it's downright impossible to characterize a good reviewer. But I do know that Beavis and Butt-head would make killer hi-fi reviewers!


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