Your Shopping Cart Cart is empty
Start Here!
"I was completely blown away by the quality of the work you performed on these very old (70+ years), home-made 78rpm records. I had not tried to even play the records for decades because the last time I tried it was impossible to hear much of anything but the scratches. I realize that a couple of them were not able to be fully restored - that ..."

Beat

A successive rising and falling of a wave envelope due to alternate reinforcements and cancellations of two or more component frequencies.