Bryston 6BSST - Manual (Page 13)

Typical THD+N Sweep
4 ohm 600w
8 ohm 300w
6BSST THREE CHANNEL POWER AMPLIFIER
11
Typical IMD Sweep
8 ohm 300w
4 ohm 600w
Graph shows that distortion is
essentially unaffected by load.
4v balanced input shown.