JL Audio Fathom f112 and f113 Powered Subwoofers

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JL Audio Fathom f112 and f113 Powered Subwoofers

The f112 in Action


I sometimes advise TPV readers that modest woofers are “not the last word in low-frequency extension.” Well, let me begin by saying that the Fathom f112 pretty much is the last word in low-frequency extension, offering substantial output down to 20Hz. I tried the woofer with a variety of low-frequency test discs, and found the f112 went lower, with greater output and control, than any other subwoofer I have used. On “Regular Pleasures” from Patricia Barber’s Verse [Blue Note], for example, there is a strong, recurrent concert bass drum theme, which the f112 reproduced with floor-shaking power and surprising textural subtlety. Many woofers produce a big, bloated, indistinct kerboom on this track, but in contrast the f112 caught the almost seismic pressure wave generated when the drum is struck, then the taut skin  sound of the drum head resonating, and finally the shuddering, modulated rumble heard as each note decays. Through the f112, lowfrequency instruments of all kinds—bass guitars, low winds and brass, low percussion, bass synthesizers, and especially pipe organs—had the majestic power and clarity that they do in real life. The only catch, and I am not raising this point facetiously, is that that the f112 is so powerful that it can expose anything in the room that’s prone to buzzing or vibration—including (gulp!) sheetrock panels not properly fastened to wall studs. Film buffs sometimes ask if having true low-bass capabilities adds much to movie watching experiences, and the answer is that it does in both large and small ways. In the famous “Under Attack” scene from Master and Commander, for example, the f112 gave the cannons distinct “voices” with downright subterranean underpinnings. As a result, the cannon fire not only sounded deeper, but much more frightening and ominous. Yet not all of the benefits of the f112 involved big, spectacular scenes. Early on in , for instance, the sound designer uses subtle low frequency effects to underscore the sound of V’s boot heels echoing in passageways as he walks at night after curfew. Through most woofers the boots make an empty “click,” but the f112 reveals an extra layer of low bass that makes V’s footfalls sound more purposeful—and threatening.

The bottom line is that JL Audio’s Fathom f112 offers benchmark performance in terms of bass extension, power, transient speed, and clarity. It is beautifully made, easy to use, and gives surefire results on music and movies. The only limiting factor involves output, where—depending on your room and listening tastes—you might need to use two or more f112s, or to step up to the larger Fathom f113 or Gotham g213. But setting aside questions of absolute output, the f112 is about as good as subwoofers get. TPV

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