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BLACK
BOX
BBR
64
MADI
&
BBR
64
DANTE
RECORDER
- User Manual v3.0
In certain circumstances, you may want to supplement the digital inputs with up to 8
analogue inputs. This is primarily aimed at capturing the ambience of the venue or
the audience itself. These additional 8 analogue inputs are balanced line level inputs
and will normally be fed from separate microphone pre amps or spare channels on
the console.
On a BBR64MADI, these additional 8 analogue inputs are primarily intended to
supplement the recording when receiving 56-channel (legacy) MADI signals.
On a BBR64DANTE system these additional 8 analogue channels will also be available
and you can decide whether to insert them into the outgoing Dante data stream or
not. If you do want to access these channels elsewhere on the Dante network, insert
them as channels 1-8, bumping all the other channels up.
The additional analogue inputs can be monitored on the internal PFL bus, two
channels at a time
These balanced analogue inputs can be switched between
Low
and
Pro
levels in the
Setup Menu (page 25).
Setting
LOW
PRO
Nominal level
-10dBu
+4dBu
Headroom above nominal level
14dB
18dB
0dBFS (when digital clipping will occur)
+4dBu
+22dBu
Pay special attention to the clocking signals to ensure that the BlackBox Recorder is
being clocked correctly. There is more on this subject later, in the clocking section
(page 23).
Deciding on a disk drive
Both the BlackBox BBR64MADI Recorder and the BBR64DANTE Recorder require
modern fast USB2 drives. We cannot guarantee that every drive in the world will
work but the ones we’ve tried so far have done. The only criteria that you need to
follow are:
Up to 2TB with USB2 interface
7200rpm recommended
Formatted with FAT32 Filing System