Alan Lofft

If One Sub is Good, Are Two Better?

If your room has typical dimensions–20 x 14 x 8 ft., about 2,100 cu. ft.–one well-designed subwoofer with an internal amplifier equal in size to the full output of your receiver (full power for 1 channel + 1/8 power x the number of other channels) and a...

Soundproofing Your Home Theater – Part Two

Specialty Materials One reader sent along a link to www.quietsolution.com which markets a popular specialty soundproofing drywall called QuietRock, comprised of three layers of viscoelastic, ceramic and gypsum material. QuietRock’s QR-525, which incorporates...

Soundproofing Your Home Theater – Part One

As much as we all love home theater movie soundtracks and music at realistic playback levels (“realistic” does not necessarily mean extremely loud), most of us have to deal with other people in our lives—family, roommates, companions, younger children and/or...

Audio Oddities: Solving Subwoofer Troubles

Don’t get frustrated if you initially don’t hear anything from the subwoofer. You can easily test it. Disconnect the AV receiver subwoofer cable from the sub input jack and make sure the sub is connected to AC power and set to “On” or Auto-ON. You...