Target SPL and Required Amplifier Size

In a previous article (Loudspeaker Sensitivity: What’s a Watt Anyway? April 2010 Voice Coil), I examined the topic of loudspeaker sensitivity and how it may or may not relate to the overall sound pressure level (SPL) produced by a loudspeaker. The output capability of the amplifier driving the loudspeaker is of equal importance to achieving the target SPL from the direct field of a loudspeaker. This can also be related to the driving signal or the intended program material. This article was originally published in Voice Coil, May 2010.

Measurement microphones are a special class of microphones, ranging from laboratory precision instruments to products used for fine tuning sound systems in commercial or residential settings. Measurement microphone pricing varies greatly from $10 to 4,000. The quality differs immensely and there are many choices in between. This article was published originally in Voice Coil October 2012.

German audio specialist Sennheiser has led the professional audio market for more than two decades with its HD 25 headphones used by the world’s leading music producers and DJs. Sennheiser recently introduced at the CES 2014 in Las Vegas its …

New President Heads MartinLogan, Paradigm, and Anthem Rocco Melchione recently accepted the position of president/CEO for the Paradigm, MartinLogan, and Anthem brands. He replaces Tim Valters, who held that title for the last four years. Melchione has more than 20 …