Speaker Sense
If treated properly, speakers will work for decades although there can be some wear and tear issues because they do have moving parts. We get many perplexed customers with damaged speakers. How did it happen? Common problems: 1- Over or under powering. You can have a 1000 watt speaker, but if you use a 50 watt amp with the volume... Read More »
Category : Speaker Sense &Technically Speaking
I saw an article "How long should your hi-fi last?" It says: "So it makes sense to put the bulk of your hi-fi dollars into speakers, amps, and turntables. There's almost no chance a technological innovation will come along to render obsolete any of those three items." I've got to agree! There have been technological changes to speakers but they... Read More »
Category : Speaker Sense &Technically Speaking
One Hertz (Hz) is one vibration per second. Higher Hertz values equate to higher pitched sounds. Most people hear between 20 to 20,000 Hertz, but different people can have different hearing ranges. Some people can hear at 22,000 Hz and higher. Genetic inheritance can affect hearing ability just like it affects so many other traits, but there can be... Read More »
Category : Speaker Sense
In a study of 350 newborn baby girls and boys, Professor Jane Cassidy at Louisiana State University found that girls hearing is more sensitive than boys; especially in the 1000- to 4000-Hz range which is the range most important for speech discrimination. Subsequent studies confirmed that girls hear better at higher frequencies and have determined that... Read More »
Category : Speaker Sense
Any speaker can be damaged with too much power. Low Power Can Damage all speakers, but especially High Frequency Units. A loudspeaker system capable of handling 100 watts should have a high frequency unit capable of handling 10 watts. If the high frequency unit is rated at 20 watts there should be a 100% safety factor. Using an lower powered amp can... Read More »
Category : Speaker Sense &Technically Speaking
JBL is getting ready to launch the new Everest DD66000. It is well named because of its size. This speaker’s size compares to most speakers as Mt. Everest does to hills. The projected price range is $60-70,000.00. The DD66000 has two 15-inch Aquaplas coated woofers. JBL first used Aquaplas in the 1980’s as a laminate on woofers and midranges that were... Read More »
Category : Speaker Sense
Consumer electronics advice from Don Lindich: Q: In preparing our living room for the new additions, I was moving some 1978 vintage Advent Bookshelf speakers. To show my 5-year-old son what a speaker looked like, I removed the front grill and found that much of the "foam" that surrounded the woofer had disintegrated. Because of its age I assumed that... Read More »
Category : Speaker Repair Info &Speaker Sense
When the woofer surrounds of my stacked Cello Amati speakers disintegrated, Cathy at Speakerex saved this classic system by finding identical, newly manufactured AR speakers to replace the original drivers. This took some research and a lot of her time, but she persevered. Once ordered, the speakers were quickly shipped and installed cleanly. Even... Read More »
Category : News &Speaker Sense


