Your Shopping Cart Cart is empty
Start Here!
"Just wanted to let you know that the MP3s you sent made my day! That record was the only record my brothers and I listened to when we came to this country about 60 years ago. Maybe it helped us learn English - I can't say. One thing for certain is that to this day we use some of the expressions from the story in our casual conversations with ..."

Resonant peak

The increase in amplitude that occurs at the resonant frequency.