I have NO idea what your talking about. Just kind of hunted “line level amplification”, these are prob products used for entirely different applications, but:

http://www.tecnec.com/products/pages/las2.html

http://www.markertek.com/MTStore/product.CFM?BaseItem=STA%2D1M
audio line amplifier?

http://www.markertek.com/MTStore/product.CFM?BaseItem=STA1
Transformer & Line Amp

http://www.markertek.com/MTStore/product.CFM?BaseItem=STA2
High Output Audio Line Amplifier