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The Path To Whole House Audio: Part 3 – The Logic Behind Powered Monitors

Speakers + Amps = Powered Monitors

Powered monitors make sense for a lot of reasons. Except for very small models they are generally bi-amped, with an active line level crossover filter dividing the high & low frequencies before the amplifier stage. Then a separate amplifier is provided for each driver. In the case of Behringer’s B2031A, there is 150 watts for the woofer and 75 watts for the tweeter.

This approach allows the designer to tailor each amplifier design to suit the specific driver in question. Amplifier/driver interaction is one of the more complicated things in audio reproduction and optimization here can bring big performance improvements. With the amps right in the cabinets there’s effectively no speaker leads to further complicate the amp/driver relationship.

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The Path To Whole House Audio: Parts 1 & 2

Part 1 – Death By Canine Misadventure

Perhaps I should title this series as “A Geeky, Mildly Unorthodox Approach To Whole House Audio.” I’m not kidding. That bit about the dog really happened…more or less.

This is Shadow our five-year-old purebred Labrador Retriever. He is responsible for very little around la maison du Espinosa-Graves, being the lesser quadruped of the group. Yet in January of 2006 he brought about the expiry of my older, much loved Carver stereo system. This set in motion a series of events that has me rethinking my understanding of whole house audio, home theater, networking and media.

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Updating Firmware On The snom m3

This afternoon I finally took some time to update the firmware in the snom m3 phone system. The phones arrived early in January loaded with v1.01, but in the eight weeks since then snom has released v1.07.

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