I am offering a ready to use/assembled BUF03 line stage module. Used for example in Stereophile's Aunt Corey high-end active unit-gain line stage or in the light-controlled active volume control the Truth. Practically INFINITE input impedance combined with near ZERO output impedance. With this one can build a state-of-the art line stage with unitary gain at a ridiculous price.

Many thanks for looking!