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Audio-Technica to Hold Seminars at NAB Booth

Sennheiser Launches Installed Sound Academy

OLD LYME, CT — Sennheiser’s Installed Sound Academy is a new addition to the company’s Sound Academy seminar series, which began in 2006. The seminar series began with courses focusing on RF wireless techniques and studio recording tips and tricks, and is being re-launched with additional courses, more instructors and a new price.

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Mirage Volcano: The Sound of Fire

Those seeking subtlety should drive right through the 702 area code and head east another 1,200 miles or so until the Topeka town limits are in sight. Then again, those looking to be dazzled should pull right up in front of The Mirage and wait for the newly reworked volcano feature to fire.

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Powered Subwoofers

For a PDF of the March 2009 Buyers Guide, CLICK HERE 

Concert quality subs with drivers of at least 18 inches are already beasts. So, what the hell, we might as well put the power in the box, too. Truth is, we decided to do a Buyers Guide on powered subs and realized that unless we were prepared to publish it in book form we would need a way to further limit submissions.

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Furman PL-PRO DMC

Furman continues to be a leader in power conditioning units, due its features and ruggedness. Hardly an outboard rack can be seen without an ubiquitous Furman PL-Plus Power Conditioner or two providing both the power distribution and rack-face illumination from its light tubes.

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EV Tour X Speakers

The Electro-Voice Tour X series of loudspeakers sits in that middle ground of live sound reinforcement speaker—higher-end than most MI boxes, but not something you are going to find on tour riders either. In other words, great for clubs and bands in a van as well as local soundcos.

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Is Your Impedance Matched?

In the early days of audio, the “power matching” technique of creating 600-ohm source impedances to drive 600-ohm load impedances was a standard design practice. The topic of impedance matching used to be a prime teaching topic in decades past. The reason for learning impedance matching was that many sound sources, signal processors, consoles, and amplifiers were borrowed from fields other than sound reinforcement, and the necessity of knowing the input and output impedances was critical to get the system to play nicely together.

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