PB12-Plus Subwoofer
Ed Mullen of Secrets of Home Theater and High Fidelity has reviewed SVS’s latest box subwoofer, the PB12-Plus. The SVS PB-12 Plus features a recently upgraded 12in woofer (dB12.2), a 525 watt Indigo BASH amplifier, variable tuning (20hz, 16hz, 12hz), and a single band parametric equalizer on the premium finish models. The review includes a number of objective measurements including frequency response, output compression, total harmonic distortion vs frequency at a max of 10% THD, group delay, impulse response, and spectral decay. Each objective measurement was performed at two tuning frequencies (20hz and 16hz). The objective tests are accompanied by subjective listening impressions including both movies and music. Based on this thorough battery of tests Ed Mullen concludes,

Since the PB12-Plus performed very well in the objective tests, its strong performance in home theater applications was no surprise. In my mid-size room, the 20 Hz tune provided impressive dynamics and authority, with useable extension to 17 Hz. Maximum output in the 16 Hz tune was somewhat more sedate, but extension improved to a subterranean 13 Hz.
For music, I found the PB12-Plus exhibited good detail, excellent deep extension, and well-preserved pitch. I preferred the 16 Hz tune over the 20 Hz tune for music applications, likely due to its flatter in-room FR and marginally better phase and decay behavior.
If you have the space for a large subwoofer, the PB12-Plus offers class-leading performance value at the $1,000 price point.

View Secrets SVS PB12-Plus Subwoofer Review