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SVS PB12-NSD Subwoofer Review

by February 05, 2012
  • Product Name: PB12-NSD Subwoofer
  • Manufacturer: SV Sound
  • Performance Rating: StarStarStarStarhalf-star
  • Value Rating: StarStarStarStarhalf-star
  • Review Date: February 05, 2012 20:05
  • MSRP: $ 769 (Free Shipping Included)
  • Buy Now
  • 12” forward firing long throw “NSD” woofer
  • Forward firing 4” flared port
  • 1” MDF window braced enclosure
  • Non-resonant steel mesh grill
  • Amplifier: 400 watts rms into 4ohms nominal (STA-400D Sledge/Class D)
  • Frequency Response: 18-150Hz +/-3dB
  • Finishes: Black textured vinyl
  • Dimensions (H/W/D): 20.9” x 17.3” x 22”
  • Weight: 66 lbs.
  • Warranty: 5 years (Bumper to bumper)

Driver features

  • FEA optimized
  • Rubber long throw surround
  • Nomex linear roll spider
  • Aluminum cone with composite dust cap
  • Powder coated die-cast aluminum frame
  • Integrated tinsel leads
  • Dual shorting rings and pole extenders
  • Double stacked ferrite magnets
  • 2” diameter voice coil with GSV former
  • Vented pole piece

Additional Features

  • Gain control
  • Variable phase
  • Fully adjustable low pass filter with Disable setting
  • Unfiltered (for daisy-chain) and 80 Hz HPF line level RCA outputs
  • Detachable power cord with main power switch and fuse
  • RoHS compliant, lead-free construction and world-wide safety certifications        
  • Auto-On / On switch with "green" standby mode
  • Stereo line-level RCA I/O connections
  • Customized EQ and DSP limiter settings specifically for the PB12-NSD
  • Limiter LED

Inputs/Outputs

  • Unbalanced (RCA) LFE input and output
  • Stereo unbalanced (RCA) inputs and outputs L/R

 

Pros

  • Impressive all around performance
  • Unflappable operation at the limit
  • Extremely linear response
  • True 20Hz extension on the cheap

Cons

  • Only one finish available
  • Large
  • Basic connections and controls only

Introduction

SVS has long been known for high performance subwoofers and the PB12-NSD while the most cost effective vented subwoofer in the current line up, still musters up a hefty amount of room filling bass. (Also offered is the PC12-NSD cylinder version which is said to have nearly identical performance.) Tipping the scales at 66lbs the heart of the PB12-NSD is a quality 12" long throw, aluminum cone driver vented through a 4" diameter flared port, all housed in a large, well braced, black vinyl wrapped enclosure, which happens to be the only finish option available. The brains of the operation come from a 400 watt version of SVS's Sledge amplifier platform. This combination available shipped to your home for $769, provides extension with authority to 20Hz and perhaps a bit lower in some rooms. Build, performance and parts quality for this price range were all found to be exceptional. While the PB12-NSD is short on finish options and may not have some of the extra bells and whistles offered by other subwoofers on the market, what it does do very well is the task of producing accurate and powerful bass with depth and finese that most other subs in this price range cannot match, as evidenced by the PB12-NSD achieving the Audioholics Large Room rating. At the end of the day that is what a subwoofer is supposed to do and the PB12-NSD does not disappoint.

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Attached Files

Recent Forum Posts:

NebTheWeb posts on July 10, 2013 11:12
Thank you for pointing that out Steve. I just wanted to make sure I was reading the review correctly.

Ben
Steve81 posts on July 10, 2013 08:38
NebTheWeb, post: 976708
Please excuse my ignorance here, but does the above statement in the review mean that the subwoofer was placed with the driver facing the corner? Does facing the driver towards the wall boundaries instead of toward the listening position make a difference in in how the subwoofer will perform for better or worse?

Josh actually made a note about this in the Funk 18.0 review:
Funk Audio FW18.0 Sound Quality Tests | Audioholics

Note: I often get asked why I fire the drivers into the wall or the corner and the reason is because it often flattens out one or two response notches that can appear from cancellation due to the reflection from the wall. Not in the deep bass where the sub does its heavy lifting and the wavelengths are too long to be affected much, but up higher in frequency around or above the crossover to the other speakers. Depending on the placement or size of the sub this does not always amount to much but it can help in the crossover region or mid-bass sometimes. Of course aesthetically most people would not make this choice.

The phenomenon in question is also referred to as the Allison effect.
NebTheWeb posts on July 10, 2013 08:28
PB12-NSD was placed in the front right corner of the room firing into the corner about 8 inches from the walls.

Please excuse my ignorance here, but does the above statement in the review mean that the subwoofer was placed with the driver facing the corner? Does facing the driver towards the wall boundaries instead of toward the listening position make a difference in in how the subwoofer will perform for better or worse? Thanks in advance,

Ben
DangeRuss posts on June 02, 2012 17:49
Excellent Review

I just wished you did an in-depth review on it's now discontinued little brother …. the PB10-NSD. I would have loved to see it compares to this new 12" model.
Marshall_Guthrie posts on February 28, 2012 12:38
Yes, the outlaw hit higher max SPL at the expense of accuracy. I had considered the outlaw, considering the aesthetics and especially when priced on sale, but I chose the SVS because of SVS's reputation and care for their customers, and because the quality of my dBs was more important that the quantity

Now, that's not to say that I didn't leave a corner free for a 2nd PB-12, I just need to get the projection done first.
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