5.1.8.1. Dual channel mode
OUT A
SenseDrive
when SUB
selected
OUT B
SenseDrive
when SUB
selected
AMP B
AMP A
INPUT A
INPUT B
Fig. 15: D12 Input/Output routing Dual
channel mode with standard input routing
The "Dual channel mode" is dedicated to all d&b passive systems and
MAX/MAX12 in passive mode. Both channels could be configured for
TOP or SUB cabinets independently.
In "Dual channel mode" the D12 acts as an two channel amplifier –
stereo amplifier - the amplifier channels are connected to their
respective output connectors (AMP Ch A to OUT A and AMP Ch B to
OUT B). Each output connector is wired in parallel using pins 1/2/3/4
and pin 5 of the EP5 connector (1+/1–/2+/2– of the NL4 connector).
In "Dual channel mode" the D12 SenseDrive function is available for
applicable cabinets on Channel A and B in conjunction with EP5
connectors and 5 wire cables (d&b MC5).
CAUTION!
Please ensure that the connected type of loudspeaker is
corresponding with actual configuration of the controller.
In "Dual channel mode" all four pins (TOP and SUB) are driven. This
could cause damage to TOPs when a SUB configuration is selected on
the respective channel.
The D12 will monitor the current through the different output pins and
will detect if a wrong cabinet type is connected.
The error massage "Top/Sub-Mismatch" will be given out on the
LCD and the respective channel will be muted.
5.1.8.2. Mix TOP/SUB mode
OUT A
TOP / SUB
OUT B
TOP / SUB
SenseDrive
AMP B
AMP A
INPUT A
INPUT B
TOP
SUB
Fig. 16: D12 Input/Output routing Mix
TOP/SUB mode with standard input routing
The "Mix TOP/SUB mode" is dedicated to all d&b fullrange systems and
MAX/MAX12 in passive mode together with active driven d&b
subwoofers.
Both amplifier channels are connected to both output connectors (AMP
Ch A and Ch B to OUT A and B) while TOP cabinets (set ups) are
selectable on Channel A and SUB cabinets (set ups) on Channel B.
The output connectors are wired in parallel using the following pin
assignment:
- TOP configurations: pins 1/2 of the EP5 connector (1+/1– of the
NL4 connector).
- SUB configurations: pins 3/4 and 5 of the EP5 connector (2+/2–
of the NL4 connector).
In "Mix TOP/SUB mode" the D12 SenseDrive function is available for
applicable cabinets on Channel B in conjunction with EP5 connectors and
5 wire cables (d&b MC5).
5.1.8.3. 2-Way Active mode - Single input
INPUT A
OUT A
2-Way
SenseDrive
OUT B
2-Way
AMP B
AMP A
Fig. 17: D12 Input/Output routing 2-Way
Active mode with standard input routing
The "2-Way Active mode" is dedicated to the d&b active systems
F1222, M2 and C3 as well as for MAX/MAX12 when driven actively.
Both amplifier channels are connected to both output connectors (AMP
Ch A and B to OUT A and B) while The loudspeaker cabinets (set ups)
are selectable on Channel A. All settings of channel A and the input
signal are linked channel B. Channel B and can not be configured
indiviallay.
In "2-Way Active mode" the D12 SenseDrive function is available for
applicable cabinets on Channel A in conjunction with EP5 connectors
and 5 wire cables (d&b MC5).
D12 Amplifier, Hardware manual (2.0E) Page 20 of 32
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