Classic British Diode-bridge Compression with Cutting-edge Features The Successor stereo bus compressor continues Heritage Audio's tradition of manufacturing acclaimed pro audio equipment inspired by holy-grail vintage English gear. The Successor features true stereo operation on single controls with matched gain cells for extremely tight left/right tracking and near-zero offset between channels. Compression tracking works in "Oxford mode," where, as opposed to summing left and right channels, the loudest signal control compression. Carnhill I/O transformers and balanced and Class A output stages bring the coveted sound of classic British diode-bridge compression to your drum or mix buses.Impressive specs yield superior sonic results Rocking an all-discrete, Class A signal path, the Heritage Audio Successor is well spec'd with stepped controls for easy recall, flexible sidechain filter options, and ultra-fast attack and release times not typically found in vintage designs. The faster attack and release options permit more flexible settings, including FET-like behavior