In this review, we will be comparing Gravis VI and Gravis V, two Powered Subwoofer speakers by Sonus faber. Being Powered subwoofers, they both have built-in amplifiers so you don't need an external power amp or an integrated amp to power them. Let's have a brief look at the main features of Sonus faber Gravis VI and Sonus faber Gravis V first before getting into our more detailed comparison.
In the following sections, we will get into details in order to better understand how the Sonus faber Gravis VI and Sonus faber Gravis V compare and hopefully end up with enough arguments to decide which one of these subwoofers is the better choice for you.
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Drivers
The efficiency of a subwoofer is directly proportional to the total radiating are squared hence the woofer quantity and diameter.Sonus faber Gravis VI and Sonus faber Gravis V have a totally different setup: the Sonus faber Gravis VI features 2 x 12.5-inch drivers whereas the Gravis V features 1 x 12.5-inch drivers.
Frequency Response
Gravis VI has a frequency range of 18-120 Hz whereas Gravis V has a frequency range of 20-120 Hz. With a minimum frequency of 18Hz, the Gravis VI can go slightly deeper then the Gravis V's min frequency of 20Hz.
Below graphs depict how these two speakers compare with the max, min and average values of the Min and Max Frequencies of other speakers in the Subwoofer class in our database.
Low Frequency
Subwoofer Speakers
High Frequency
Subwoofer Speakers
Cabinet Type
Both Sonus faber Gravis VI and Sonus faber Gravis V have Acoustic Suspension type cabinets. Acoustic Suspension aka Sealed type subwoofers have enclosures that are sealed hence no ports or holes exists on the cabinet. Sealed designs helps to provide more accurate and tight bass responses compared to ported designs.
Physical Specs
Size of a speaker can sometimes become an important decision factor due to space constraints or in some cases purely for esthetic reasons. In this section, we are going to compare Sonus faber Gravis VI's and Sonus faber Gravis V's external dimensions. Sonus faber Gravis VI has external dimensions of 616.0 x 448.0 x 585.0mm ( 24-1/4 x 17-5/8 x 23-1/16inch) whereas Sonus faber Gravis V has external dimensions of 455.0 x 448.0 x 448.0mm ( 17-15/16 x 17-5/8 x 17-5/8inch) .
Base Surface Area Comparison
Base surface area of a loudspeaker may become a determining factor when the space in your room or desk is limited.
The base surface area of the Sonus faber Gravis VI is approximately 2620.8cm2 / 406.2inch2 and base area of the Sonus faber Gravis V is approximately 2007.0cm2 / 311.1inch2. The Gravis VI requires 31% more surface area than the Gravis V which gives it a small disadvantage on placement in tight spaces.
Weight Comparison The weight of a subwoofer may become an important factor if you need to move and reposition the unit often to find the optimal positioning, also known as 'Subwoofer Crawling'. The Sonus faber Gravis VI weighs 52.00kg / 114.4lbs and the Sonus faber Gravis V weighs 32.00kg / 70.4lbs. This makes the Gravis VI 63% heavier than the Gravis V.
Here is a comparison of how Gravis VI and Gravis V's weights compare with the average, max and min weights in Powered Subwoofer class.
Weight
All Subwoofer Speakers
 Number of Woofers |
2
vs
1
|
More woofers |
| Low Frequency Response |
18 Hz
vs
20 Hz
|
Generates deeper bass |
 Height |
455mm
vs
616mm
|
Easier to fit in smaller spaces |
 Base Surface Area |
2007cm2
vs
2620cm2
|
Takes less floor space |
| General |
Sonus faber Gravis VI |
Sonus faber Gravis V |
| Brand |
Sonus faber |
Sonus faber |
| Speaker Type |
Powered Subwoofer |
Powered Subwoofer |
| Max Amplifier Output |
1700 watts |
850 watts |
| Frequency Response |
18-120 Hz |
20-120 Hz |
Amplifier |
|
|
| Watts RMS (Continuous) |
1700-watt RMS |
850-watt RMS |
| Watts Peak (Max) |
2400-watt RMS |
1200-watt RMS |
Drivers |
|
|
| Woofer Quantity |
2 |
1 |
| Woofer Size |
12.5" |
12.5" |
| Woofer Composition |
Honeycomb sandwich |
Honeycomb sandwich |
| Tweeter Size |
- |
- |
| Aimable Tweeter |
No |
No |
| Midrange Driver |
No |
No |
| Crossover Frequency |
Continuously adjustable |
Continuously adjustable |
Physical Specs |
|
|
| Height |
616.0mm (24.3") |
455.0mm (17.9") |
| Width |
448.0mm (17.6") |
448.0mm (17.6") |
| Depth |
585.0mm (23") |
448.0mm (17.6") |
| Weight |
52.00kg (114.4lbs) |
32.00kg (70.4lbs) |
| Enclosure |
Acoustic Suspension |
Acoustic Suspension |
| Grille |
Yes |
Yes |
| Moisture Resistancy |
No |
No |
Connections |
|
|
Other |
|
|
| Parts Warranty |
|
|
| Labor Warranty |
|
|