Archive for category Subs

JL Audio Fathom f113v2 Subwoofer and CR-1 Active Crossover

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As I mentioned previously, the CR-1 confers a big advantage by splitting the frequency band with a true high-pass and a low-pass crossover. There’s very little overlap between the subwoofer and main speakers around the crossover point, eliminating the unpredictable result of having two different sources reproducing the same frequency band—the range of frequencies below the crossover point but above the lowest frequency the main speakers will reproduce. The combination of the high-pass and low-pass filter lets you decide, by listening, how much of the bass range is reproduced by the subwoofer and how much by the main speakers. If your main speakers have marginal bass quality below 100Hz, use a higher crossover frequency so that the main speakers never operate below 100Hz. Usually, a higher crossover frequency results in a more audible discontinuity at the crossover point. But the CR-1’s extensive controls provide seamless integration even at higher crossover frequencies.”

 

 

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SVS SB16 inch | 55KGS | 1500Watt Ultra Subwoofer

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Monoprice Monolith 12″ and 15″ THX Ultra Subwoofers Review

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“Unboxing either subwoofer is a two-person job: The 12” weighs just under 100 pounds (98.5, to be exact), and the 15” weighs 128.5 pounds. Then there’s the added weight of the double-boxed shipping container. There are no instructions for unpacking the beast, but it’s best to open the top of the outer box, slowly flip the whole thing over, and lift the outer box off the inner one. Repeat the process to remove the sub from the inner enclosure; your back will thank you. Each sub has spiked rubber feet, so it’s best to use some sliding furniture movers (available at your local hardware store) to position it. Monoprice includes a pair of white gloves in case you want to provide your own white-glove service and keep oily fingerprints off the satinfinish, black ash vinyl.”

 

 

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SVS PB-4000 Subwoofer Review

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You can turn the low pass filter on or off depending on whether you’re using the sub with a Low Frequency Effect (LFE) channel. If the low pass filter is on then you can set the frequency at which the sub crosses over with the main speakers and you can adjust the slope at which the low pass filter rolls off (the default is 12dB). There’s also a Phase control, which allows you to shift the timing of the subwoofer output to align with the main speakers or additional subwoofers, and a Polarity control that allows you to reverse the electrical polarity from positive (default) to negative if necessary. The Room Gain Compensation control allows you to adjust for excessive sound wave density in smaller rooms by reducing the bass at either -6 or -12 dB per an octave, below a frequency that is adjustable from 25 to 40 Hz. You do this by turning the room gain compensation on or off and adjusting the high pass frequency and the adjustment slope (12dB is the default setting).”

 

 

 

 

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SVS PC-4000 Subwoofer Review

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I performed all of my testing in the sub’s Standard mode, but SVS provides port plugs that let you adjust the tuning to your liking. Plugging one port—and changing a parameter in the SVS app—places the sub in Extended mode. This means it will have greater output below 20 Hz but less maximum output versus Standard mode. If you seal all three ports, the response below 35 Hz is reduced in level, but the bass is a bit tighter and more controlled. If I were using this sub for music only, sealed would be my preference. For movies, however, it would be a toss-up between Standard (more output) and Extended (deeper bass extension). Bear in mind that every mode works well with all types of content, so which you choose is a matter of your environment, preferred listening levels, and how you like your bass to sound.”

 

 

 

 

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SVS SB-16 Ultra Subwoofer – Hands On Review – Video

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Episode Landscape Series Burial Subwoofer – video

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