DC 24
DYNAMIC CONTROLLER
Data Sheet-3
Block Diagram
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-
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.
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2
FILTER
RFI
RFI
FILTER
2
HIGH PASS
LOW PASS
FREQ
CROSSOVER
CROSSOVER
NORMAL
CHAIN
COMPRESSOR
CONTROL
CONTROL
GATE
CONTROL
VCA
IN
OUT
SIDE
OUTPUT LEVEL
-12 TO +12 dB
OUT
IN
VCA
SIDE
GATE
CONTROL
CONTROL
COMPRESSOR
CHAIN
CONTROL
DUAL
SLAVE
COMBINE
SEPARATE
MODE
OUTPUTS
2
2
CH 2 /
HIGH OUT
CH 1 /
LOW OUT
CH 1 /
CROSSOVER
IN
CH2 IN
LIMITER
CONTROL
CONTROL
LIMITER
BYPASS
TRIM
GAIN
-10 dBV
+4 dBu
+
+
+
+
+4 dBu
-10 dBV
TRIM
GAIN
OUTPUT LEVEL
-12 TO +12 dB
BYPASS
