Rane DC 24 User Manual
DATA SHEET
DC 24
THRESHOLD THRESHOLDRATIO THRESHOLD RATIO SIG LEVEL OL
BYPASS
MODE
FREQUENCY
POWER
COMPRESSOR CH 1 OUTPUTLIMITER CROSSOVER
GAIN
REDUCTION
THRESHOLD THRESHOLDRATIO THRESHOLD RATIO SIG LEVEL OL
BYPASS
GATE / EXPANDERGATE / EXPANDER COMPRESSOR CH 2 OUTPUTLIMITER
GAIN
REDUCTION
LOW
(:1) (:1)
SLAVE
DUAL
DYNAMIC
CONTROLLER
-50 10
-40
2
-30
-20
3
-10
1 1
01 10
8
64
7
5
1.1
4
1.2
1.4
1.6
2
3
-6
24
12
+6
0
6
3
-40
-30
-20
10
0
+12-12
+6-6
0
HIGH
(:1) (:1)
24
12
6
3
0
7k
200
70
100
75
90
150
125
400
2k
800
1.2k
+20-20
-6 +6
0
+20-20
-6 +6
0
+12-12
-10
20-48
2
3
1 1
0
8
64
7
5
-50 10
-40
-30
-20
0
-10
(:1)
1 1
0
1.1
4
1.2
1.4
1.6
2
3
-40
-30
-20
0
10
-10
20-48
6k
4k
0
0
General Description
e Rane Model DC 24 Dynamic Controller is a two channel Compressor, Limiter, Expander Gate system with very unusual attributes. e DC 24 offers unprecedented control of its
operating parameters as well as a built-in 24 dB/octave LinkwitzRiley Crossover which gives it very impressive capabilities.
Total freedom from control interaction highlight the DC 24
as well as the availability of separate Compressor and Limiter
controls. e Compressor offers control over both Ratio and
reshold, while the Limiter allows setting a separate reshold.
In doing this, the DC 24 allows the operator to create a smooth
transition between subtle compression over a wide dynamic
range and peak-stop limiting at the sound system’s highest allowable level. If that’s not enough, the DC 24 also offers independent Expander/Gate Ratio and reshold controls. is third
level of signal manipulation makes the DC 24 a most useful and
revolutionary device.
DC 24
DYNAMIC CONTROLLER
Attack and release times are automatic and program depen
dent. is simplifies use of the DC 24, as these subtle controls
can confuse most users. History has proven that experienced
compressor users rarely miss these controls after using a DC 24.
e internal Crossover allows the DC 24 to operate as a
two-way speaker dividing network along with all of the dynamic characteristics of a fully featured Compressor Limiter. In
addition to this application, the DC 24 supplies the necessary
circuitry to allow the unit to divide a single channel of audio
information in two separate frequency ranges and to then recombine the program material into one Channel. Using the DC
24 in this way eliminates the pumping and breathing associated
with compression and limiting when only one Channel is used to
cover the entire audio spectrum.
Refer to “e DC 24 User’s Guide,” on the Rane website, for
an easy-to-understand guide of operation and applications.
-
Features
• Ratio & Threshold Controls for Compressor and Gate/Expander
• Limiter Threshold Controls
• Program Dependent Attack & Release
• Linkwitz-Riley Crossover with 24 dB per Octave Slopes
• Low-High Crossover Mode (1 In/2 Out)
• Bandsplit Combine Mode (1 In/1 Out)
• Stereo/Dual Modes (2 In/2 Out)
• Side Chain Insert Jacks
• Balanced XLR & ¼" TRS Connectors
• -10 dBV / +4 dBu Gain Switch
• UL/CSA Remote Power Supply (120 VAC)
• CE (Low Voltage & EMC) Remote Power Supply (230 VAC)
Data Sheet-1
DC 24
DYNAMIC CONTROLLER
Parameter Specification Limit Units Conditions/Comments
Compressor
..........reshold Range -50 to +20
..........Ratio Range 1:1 to 10:1 10
Expander / Gate
..........reshold Range -50 to +10 5 dB
..........Ratio Range 1:1 to 20:1 10
Limiter
..........reshold Range -20 to +20
Crossover
..........Type Linkwitz-Riley 4th-order 24 dB per octave slopes
..........Range 70 Hz to 7 kHz
Inputs: Type Active Balanced / Unbalanced
..........Connectors XLR & + ¼" TRS
..........Impedance 20k 1%
..........Maximum Level +20 1 dBu
Outputs: Type Active Balanced
..........Connectors XLR & + ¼" TRS
..........Impedance 100 1%
..........Maximum Level +26
+20 1 dBu 600 Ω or greater
Overall Gain Range -12 to +12 ±1 dB Center detent unity gain
RFI Filters Yes
Passive Bypass Switch Yes
LED resholds: Overload +22
..........Signal Present -40
Frequency Response 20 Hz to 20 kHz +0/-.5 dB
THD+Noise 0.05 .01 % +4 dBu, 1 kHz
IM Distortion (SMPTE) 0.1 .01
Signal-to-Noise Ratio 108 2 dB Unity Gain re +20 dBu, 20 kHz BW
92
Unit: Agency Listing
..........120 VAC model Class 2 Equipment National Electrical Code
UL & CSA Exempt Class 2 equipment
..........230 VAC model CE-EMC EMC directive 89/336/EEC
CE-Safety Exempt per art. 1, LVD 73/23/EEC
Power Supply: Agency Listing Rane model RS 1 Class 2 Equipment
..........120 VAC model UL File no. E88261
CSA File no. LR58948
..........230 VAC model CE-EMC EMC directive 89/336/EEC
CE-Safety LV directive 73/23/EEC
..........100 VAC model Built to JIS Japan only
Power Supply Requirement 18 VAC w/center tap 0.1 Vrms
Maximum Current 600 mA RMS current from remote supply
Unit: Construction All Steel
..........Size 1.75"H x 19"W x 5.3"D (1U) (4.4 cm x 48.3 cm x 13.5 cm)
..........Weight 5 lb (2.3 kg)
Shipping: Size 4.5" x 20.3" x 13.75" (11.5 cm x 52 cm x 35 cm)
..........Weight 9 lb (4.1 kg)
Note 1: 0 dBu=0.775 Vrms
Note 2: Unless otherwise stated, all measurements made with resholds set at maximum, Ratios set at minimum.
Data Sheet-2
5 dB
%
%
2 dB
5 % 41-detent continuously variable pot
Ω
Ω Each output
1 dBu 2 kΩ or greater
1 dBu Output or any internal level
3 dBu Input Level
% 60 Hz / 7 kHz, 4:1, +4 dBu
2 dB Unity Gain re +4 dBu, 20 kHz BW
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