Choosing Between SVS's Entry-Level and Flagship Sealed Subwoofers

When it comes to adding deep, impactful bass to your home audio system, few brands command as much respect as SVS. Today we're comparing two of their sealed subwoofers that sit at opposite ends of the lineup: the entry-level SVS SB-1000 Pro ($664.99) and the flagship SVS SB17-Ultra R|Evolution ($2,499).

Understanding Sealed Subwoofers

Before diving into the specifics, let's talk about sealed subwoofers. Unlike ported designs that use a tube to enhance bass output, sealed subwoofers (also called "acoustic suspension") operate in a completely enclosed cabinet. This typically results in tighter, more accurate bass with better transient response - meaning how quickly the subwoofer can start and stop moving. The tradeoff is they usually can't play quite as loud as ported designs of the same size.

The Evolution of SVS's Technology

The SB-1000 Pro was released in early 2021 as an update to the original SB-1000, adding smartphone app control and more sophisticated digital signal processing (DSP). This was a significant upgrade that brought features previously reserved for higher-end models to the entry level.

The SB17-Ultra R|Evolution launched in 2024 represents SVS's latest technological achievements. It introduces several innovations including a massive 17-inch driver (unusual in home audio) and dual mono-block amplifiers - meaning each of the two voice coils gets its own dedicated amplifier for maximum control and power handling.

Core Performance Differences

Bass Extension and Output

The SB-1000 Pro can reproduce frequencies down to 20Hz, which covers virtually all musical content and most movie effects. Its 325-watt RMS amplifier (RMS refers to continuous power output rather than brief peaks) provides enough power for small to medium-sized rooms up to about 2,000 cubic feet.

The SB17-Ultra takes things to another level entirely, reaching down to 15Hz with authority. While this might not seem like a huge difference, those extra few Hertz represent some of the most challenging frequencies to reproduce - think massive explosions and earthquake effects in movies. Its dual 1400-watt amplifiers (2800W total) can pressurize much larger spaces and deliver reference-level output (the volume standard used in commercial theaters).

Sound Quality and Character

Both subwoofers share SVS's house sound, which prioritizes accuracy and control over artificial bass boost. The SB-1000 Pro is remarkably composed for its price point, delivering clean, musical bass that works equally well for music and movies. Its 12-inch driver uses a sophisticated motor design that helps control unwanted movement, resulting in clearer sound.

The SB17-Ultra builds on this foundation with its exotic dual voice coil design and more sophisticated DSP processing. The larger driver moves more air, which creates a more visceral feeling of bass you can feel in your chest. Its massive power reserves mean it maintains composure even at extremely high volumes where lesser subwoofers might start to compress or distort.

Real-World Applications

Home Theater Use

For home theater, both subwoofers can handle the basics admirably. The SB-1000 Pro will give you satisfying impact with action movies and handle music duties with aplomb in typical living rooms. It's particularly good at dialogue-heavy content where subtle bass reinforcement adds warmth without calling attention to itself.

The SB17-Ultra is simply in another league for home theater use. Its ability to reproduce the lowest frequencies with authority creates a more cinematic experience. When a helicopter flies overhead or a spaceship rumbles past, you don't just hear it - you feel it in a way that's much closer to the theatrical experience.

Music Listening

For music, the choice becomes more interesting. The SB-1000 Pro's smaller driver can actually be an advantage, offering quick, articulate bass that follows complex musical passages with ease. It's particularly good with acoustic music, jazz, and other genres where accuracy trumps sheer output.

The SB17-Ultra brings additional capabilities to music playback. Its massive reserves of power and sophisticated processing mean it can handle the most demanding electronic music while maintaining the same speed and accuracy as its smaller sibling. The dual voice coils help it maintain control even during the most complex passages.

Feature Comparison

Both subwoofers feature SVS's excellent smartphone app control, which provides extensive adjustment options including:

• Three-band parametric EQ (lets you adjust specific frequency ranges)
• Multiple user presets
• Room gain compensation (reduces boomy bass that can occur in small rooms)
• Low pass filter adjustments (helps blend with your main speakers)

The SB17-Ultra adds more sophisticated room correction capabilities and an even more powerful DSP processor (295MHz vs 50MHz in the SB-1000 Pro), allowing for more precise control over the subwoofer's behavior.

Making the Choice

The decision between these subwoofers ultimately comes down to four main factors:

1. Room Size
   • SB-1000 Pro: Ideal for rooms up to 2,000 cubic feet
   • SB17-Ultra: Suitable for large spaces and dedicated theaters
2. Budget
   • Consider whether the SB17-Ultra's additional capabilities justify its premium price
   • Factor in the possibility of adding a second subwoofer later
3. Primary Use
   • Movies: Both work well, but the SB17-Ultra creates a more theatrical experience
   • Music: Both excel, with the choice depending more on room size and volume requirements
4. Space Constraints
   • SB-1000 Pro: Compact and easier to place
   • SB17-Ultra: Requires more careful placement due to its size and weight

Recommendations

Choose the SB-1000 Pro if:

• You have a small to medium-sized room
• Budget is a primary concern
• Space is limited
• You primarily listen at moderate volumes

Choose the SB17-Ultra R|Evolution if:

• You have a large room or dedicated theater
• You want reference-level home theater performance
• Budget allows for a premium solution
• You need maximum output and extension

Both subwoofers represent excellent values within their respective price points, and either one will provide years of satisfying performance when properly matched to your space and needs.

SVS SB-1000 Pro Subwoofer Deals and Prices

SVS SB17-Ultra R|Evolution Subwoofer Deals and Prices