d&b D80 - Manual (Page 40)

Mixed configurations
As the output mode is assigned to a pair of amplifier channels
(AMP A/B, AMP C/D) mixed configurations such as ...:
–
AMP A/B Þ Dual Channel, AMP C/D Þ 2-Way Active
– AMP A/B Þ Dual Channel, AMP C/D Þ Mix TOP/SUB
– AMP A/B Þ Mix TOP/SUB, AMP C/D Þ 2-Way Active
... as well as all other combinations are also possible.
Mixed configuration example
AMP A/B Þ Dual Channel, AMP C/D Þ 2-Way Active
d&b D80 Manual 1.9 en 40