Bi70mk2 is recommended for systems that are plagued by excessive
vocal sibilance or "bright" highs. It resolves these
issues by adopting a novel approach in amplifier design.
Unlike most conventional designs, the Mk2 combines a mosfet
driver with a bipolar output stage. During listening tests,
it was apparent that the Mk2 "cures" the abrasiveness
in the mid and high regions, resulting in superior vocal clarity
The Bi70mk2 Kit includes the power heatsink as shown on the