BG Radia's BGX-4850 in-wall subwoofer produces THX Ultra2-certified shock and awe

by Steven Kim posted Sep 4th 2008 at 1:49PM

The ribbon drivers BG Radia uses across its speaker lineup safely puts the company in "high end" territory, but getting big bass out of ribbons is seriously challenging. The company has used conventional drivers in a THX Balanced Bass-line arrangement to solve this problem with its BGX-4850 in-wall subwoofer. The speaker uses balanced pairs of modules, each with 12 micro-woofers, to generate a thumping surface area equivalent to two 18-inch drivers. Add in a healthy 2,000-Watts of oomph, and you've got vibration-free bass coming out of your walls at "lifelike playback" levels, courtesy the first in-wall sub to earn THX Ultra2 certification. Everybody will know where that $7,000 went, so warn the neighbors.

Filed under: Speakers, Others

Tags: bg radia, BgRadia, bgx-4850, in-wall, in-wall speaker, In-wallSpeaker, subwoofer, thx ultra2, ThxUltra2

Reader Comments (Page 1 of 1)

Neutral

glenn s @ Sep 4th 2008 3:46PM

Vibration free bass = oxymoron

vibration free sound at any frequency = silent

Highly Ranked

mark @ Sep 9th 2008 1:59PM

Wrong, what we hear is not vibration, but changes in pressure... i.e. you have a SPL meter not a vibration meter.
This sub is fantastic, little or no vibration from the cabinet, lots of SPL. I've installed and listened to lots of in-wall subs, they all tend to get muddy sounding. No one seems to have damped a sub well enough to stop the wall from vibrating....

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