Block Diagram - Rane DC 24 Datasheet

Block Diagram

CH 1 /
CROSSOVER
+
IN
2
RFI
FILTER
+4 dBu
+
GAIN
TRIM
FREQ
LOW PASS
CROSSOVER
HIGH PASS
GAIN
TRIM
+4 dBu
CH2 IN
+
2
RFI
FILTER
+
Architectural Specifications
The dynamic processor shall be a two (2) channel unit, each
channel of which provides independent control over its gating,
compression and limiting functions. The gating function shall
provide a means for setting the gate threshold as well as the ratio
of the function thus providing a means for gentler slopes to oc-
cur such as one would expect to find in an expander.
The compressor shall also provide a means for setting thresh-
old and ratio independently. The limiter shall also provide a
means for setting its operational threshold, but shall differ from
the other two functions in that limit ratio shall be a function of
limit level.
All attack and release characteristics provided by the dynam-
ic controller shall be a function of the current program material,
thus providing a high level of transparency to the listener.
The dynamic processor shall provide an active crossover
circuit for the purpose of using the unit to drive amplifiers con-
nected to two-way loudspeaker systems as well as for dividing a
single channel audio source into two frequency bands for ulti-
-10 dBV
NORMAL
CROSSOVER
-10 dBV
IN OUT
VCA
CONTROL
SIDE
+
CHAIN CONTROL
COMPRESSOR
CONTROL
+
GATE
CONTROL
MODE
COMPRESSOR
SIDE
CONTROL
CHAIN
+
GATE
CONTROL
LIMITER
+
CONTROL
CONTROL
VCA OUTPUTS
IN OUT
mate recombination at the outupts of the device. The crossover
shall be a fourth-order Linkwitz-Riley type configuration.
Passive bypass switches shall be provided to ensure total
bypass of the unit's active circuitry in the event of power failure.
The inputs and outputs shall be active balanced/unbalanced
designs terminated with XLR & ¼" TRS connectors. The side-
chain send and receive connectors shall be ¼" unbalanced types,
wired tip=send, ring=return.
RFI filters shall be provided at the processor's inputs. LEDs
shall be provided to indicate the presence of an input signal as
well as high level overload conditions.
The unit shall be exempt from agency safety requirements
and powered from a UL listed / CSA certified remote power sup-
ply (120 VAC), or CE approved (230 VAC) via a rear panel input
modular plug.The unit shall be entirely constructed from cold-
rolled steel, and mount into a standard EIA relay rack occupying
1 rack space.
The unit shall be a Rane Corporation Model DC 24.
DYNAMIC CONTROLLER
OUTPUT LEVEL
-12 TO +12 dB
LIMITER
SLAVE
DUAL
+
OUTPUT LEVEL
-12 TO +12 dB
COMBINE
SEPARATE
DC 24
BYPASS
2
CH 1 /
LOW OUT
CH 2 /
HIGH OUT
2
BYPASS
Data Sheet-3