If memory serves me that line of amps came out around the late 80's early 90's, they had long heat sinks that ran the length of the amp, were gray in color and WAY over rated in power....that's a company that I didn't think were even still in business......//content.invisioncic.com/y282845/emoticons/biggrin.gif.d71a5d36fcbab170f2364c9f2e3946cb.gif //content.invisioncic.com/y282845/emoticons/biggrin.gif.d71a5d36fcbab170f2364c9f2e3946cb.gif