JL Audio Fathom 113: 103 points

Velodyne DD-18: 100 points

ACI Maestro: 97 points

JL Audio Fathom 112: 95 points

Hsu VTF-3 HO + Turbo: 94 points

Hsu VTF-3 HO w/o Turbo: 92 points

Hsu VTF-3 Mark III + Turbo: 92 points

Hsu VTF-3 Mark III w/o Turbo: 91 points

SVS PB12-Ultra: 90 points

Axiom EP-500: 90 points

Hsu VTF-2 Mark III + Turbo: 88 points

SVS PB12-Plus/2: 87 points

SVS PB12-NSD: 86 points

Hsu VTF-2 Mark III w/o Turbo: 86 points

Rocket UFW-12: 85 points (provisional)

SVS PB10-NSD: 83 points

Rocket X-Sub: 78 points

Rocket Tyke: 60 points

As you can see, the "least performing" subwoofer still delivers 60 points. The Tyke really cannot deliver subwoofer performance. It still will add foundation to bookshelf speakers, and is a pretty good barometer for the entry level sub.

The Axiom EP-500 and the PB12-Ultra are virtual ties. The Axiom is a little more articulate, while the Ultra yields an extra 1/2 octave deeper.

The UFW-12 is the original version, and is only limited due to the fact it only manages 25 Hz. MLS mentioned getting me the upgraded driver/amp package. So, as with the Hsu, the rating is a provisional one.

For the scale, I consider 75 to be about the point in which a subwoofer is having a major beneficial impact on the overall system ... and the X-sub qualifies for that distinction.

Also ... Later the Hsu VTF-3 HO and the MBM-12 will be tested as a $1500 subwoofer, which will be the price for both, including the Turbo.

When evaluating these subs, I wanted to develop a system which would be easy to follow ... yet allow for a HUGE difference in the performance between, say, a TYKE and a Fathom 113.

In a direct linear fashion, the Tyke might look like it is 58.25% the sub the 113 is. Of course, it is not.

How the scaling works is this: each 3 points represents a 15% higher level of overall performance. It is also cumulative.

For example, The Fathom 113 is 43 points higher than the TYKE. Grab a calculator, and you will see you have 14.33 consecutive 15% improvements.

Take 1.15 x 1, and do it 14 times, and you get 7.08. Next, multiply 7.075 x 1.05, and you get 7.43.

In other words, the Fathom has 743% higher performance than does the Tyke.

The Hsu VTF-3 HO W/Turbo has 38.9% higher performance than does the SVS PB12-Plus/2 (in this case, the overall musicality added to extension wins the day).

The Fathom 113 has 46.5% higher performance than does the 112.

As an aside, to keep this from being overcomplicated, each single point outside the 3 point criteria is scored at 1.05, not according to a true scale, which would be 1.0477.

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