Ohms are one of the specs that both speaker and receiver manufacturers use to give you an idea about their performance. Speakers and amplifiers alike are usually rated around 8 ohms, but that's not ...

Impedance is complicated and frequently misunderstood. A speaker designer doesn't "choose" speaker impedance. The overall impedance is dictated by the number of drivers and crossovers. It is an ...

Ex-movie theater projectionist Steve Guttenberg has also worked as a high-end audio salesman, and as a record producer. Steve reviewed audio products for CNET and worked as a freelance writer for ...

You’ve seen references to “impedance” and “ohms” in various loudspeaker specifications or in your owner’s manual for an AV receiver. But what is it? Do you have to “match” speaker impedance to your AV ...

I've got a cheap little Onkyo 509 hooked up to a pair of Polk Monitor 50s and a powered subwoofer. After running this setup for a year and a half, my cheap little Onkyo started going into protection ...

Loudspeaker manufacturers sometimes exaggerate the specifications of their products to make them look better than they really are. Some are more honest than others in this regard. The focus of this ...

Have you ever wondered what makes a loudspeaker “difficult to drive”? Do you wonder what’s so special about an amplifier that is stable into a 4 ohm load? If these are the kinds of questions that ...

I have a digital clock radio with a 2" 0.5 watt, 8 ohm speaker. The issue is the digital radio volume at the lowest setting is too loud. I am considering replacing the speaker with a lower wattage ...