d&b audiotechnik V-GSUB, Manual

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2.3 Operation
NOTICE!
Only operate d&b loudspeakers with a correctly configured d&b
amplifier, otherwise there is a risk of damaging the loudspeaker
components.
Applicable d&b amplifiers:
D80/D20/D12/30D.
Application Setup Cabinets per
channel
V-GSUB
V-SUB 2
Within applicable d&b amplifiers, the controller setup is available
in Dual Channel or Mix TOP/SUB mode.
2.3.1 Controller settings
For acoustic adjustment the 100 Hz mode can be selected.
100 Hz mode
With the 100 Hz mode selected, the upper operating frequency of
the system is reduced from 115 Hz to 95 Hz.
It can be used when actively driven V-GSUBs are used to
supplement V-Point cabinets operated in full range mode. The
100 Hz mode can also be used to compensate for the effect of
close coupling between the V-GSUB and V-Point cabinets operated
in CUT mode.
d&b V-GSUB Manual 1.2 en 7