Rane DC 24 Handleiding
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DC 24
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Manual-1
DC 24
DYNAMIC CONTROLLER
OPERATORS MANUAL
DC 24 CONNECTION
Placing the DC 24 within the chain of events in your system
varies slightly depending on application. If you are assembling
a sound reinforcement system, the DC 24 would typically be
placed between the equalizer (you do use one, don’t you?) and
the active crossover, or the power amplifier if passive crossovers
(or the DC 24 crossover) are used.
In recording applications, the DC 24 may be used in con-
junction with insert loops on the mixing console or in series
with the outputs en route to the recorder. Most consoles allow
headphone monitoring of the processed signal if the device is
connected to the inserts. A most useful feature. If the DC 24 is
used on mixdown, it may be connected to the output of the mul
-
tichannel recorder or again on inserts of the mixdown console.
Many recording situations require that the DC 24 be con-
nected to the patch bay in the system so it may be easily moved
from one signal location to another. is call should be made
based upon the requirements of the application.
Wiring of this and all components should follow the Sound
System Interconnection RaneNote included in this manual. is
note details standard wiring conventions which should be used
to prevent noise and distortion. Also see the Chassis ground
point on page Manual-3.
QUICK START
Shredded, this document makes excellent packing material. In its present form, it makes interesting and useful reading. If you
run out of patience quickly, at least read this part to make sure you don’t exterminate everything in a two mile radius by doing some-
thing wrong.
In a nutshell, to use the DC 24 as a conventional dual channel compressor/limiter, ensure that the CROSSOVER ENGAGE
switch on the rear is in its position. Attach one or two channels of inputs and outputs to the respective connectors on the rear. out
With all , all the way and the controls in you have an expensive RATIOS down LIMITER THRESHOLD up LEVEL center-detent
patch cord. Make sure the BYPASS GATE COMPRESSOR switches are and set the out and for the desired ratios and thresholds.
Turning the down decreases the level at which limiting occurs. e LIMITER THRESHOLD GATES COMPRESSORS and may
both be activated by the source material applied to Channel 1 if the DUAL/SLAVE switch is pressed . is is a normal condition in
for true stereo program material.
To use the DC 24 's crossover bandsplit mode, be sure the rear panel switch is . Connect the input to CROSSOVER ENGAGE in
CH 1/CROSSOVER IN OUTPUTS SEPARATE. With the rear panel switch set to , split outputs are available at the CH 1/LOW
OUT CH 2/HIGH/COMBINE OUT OUTPUTS COMBINE CH 2/HIGH/COM- and jacks. With the switch at , use only the
BINE OUT jack for a mono sum of high and low channels.
NEVER CONNECT ANYTHING EXCEPT AN RS 1 OR OTHER APPROVED RANE AC POWER SUPPLY TO THE
THING THAT LOOKS LIKE A TELEPHONE JACK ON THE REAR OF THE DC 24. is is an AC input and requires some
special attention if you do not have an operational power supply like the one that was originally packed with your unit.EXACTLY
WEAR PARTS: is product contains no wear parts.
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
Manual-2
FRONT PANEL DESCRIPTION
1 POWER switch: It has been a tradition at Rane Corporation to say something clever about the POWER switch on all its prod-
ucts. Certain government restrictions now eliminate our option of continuing this tradition. Pity.
2 POWER indicator LED: is solid-state yellow illumination device lights up to let the operator know Item 1 (above) is working
and the thing is plugged in.
3 GATE / EXPANDER THRESHOLD control: allows the operator to set the input level below which the Gate/Expander oper-
ates. e LED illuminates yellow any time the input signal falls below the threshold level set by this control.
4 GATE / EXPANDER RATIO control: determines the Ratio to be applied to the Gate/Expander function. Increased clockwise
rotation increases the circuit slope. e full counter-clockwise position disables the Gate/Expander.
5 COMPRESSOR THRESHOLD control: determines above what input level the Compressor functions. Full clockwise rotation
disables the Compressor entirely. e LED illuminates yellow any time the input signal exceeds the threshold level set by this
control.
6 COMPRESSIOR RATIO control: determines the slope of the Compressor once it has exceeded the indicated threshold. Full
counter-clockwise rotation of the RATIO control disables all Compressor activity.
7 LIMITER THRESHOLD control: determines above what level the Servo Locked Limiter™ functions. Full clockwise rotation
of this knob disables all Limiter activity. e LED illuminates red any time the input exceeds the LIMITER THRESHOLD set-
ting.
8 GAIN REDUCTION meter: indicates the amount of reduction, below unity, being applied to the audio signal by the VCA.
9 BYPASS switch: When pressed , this channel in the DC 24 is is hard-wire Bypassed. Each channel may be individually By-in
passed for comparison and alignment purposes. See OPERATING INSTRUCTIONS on page Manual-4.
0 OUTPUT LEVEL control: increases or decreases the output gain of each channel by 12 dB. In the center detent, gain will be
unity. (NOTE: Channel 2 OUTPUT LEVEL controls overall output in COMBINE mode.)
q SIGnal present LED: illuminates any time the input signal exceeds approximately -40 dBu.
e illuminates any time the output exceeds a level equal to -4 dB below the clipping level. OverLoad LED:
w DUAL / SLAVE mode switch: In the (SLAVE) position, this switch causes both channels’ Gate, Compressor and Limiters to in
act together, i.e., they are “slaved.” All controls for both channels remain active, so independent settings are still possible; how-
ever, whenever a signal in one channel exceeds its settings, then channels change by the same amount. In the (DUAL) both out
position, both channels operate independently.
e CROSSOVER FREQUENCY control: is rotary control selects the crossover frequency. What did you think?
3
4
5
6
7
9 11
2
1
8
10
12
3
4
5
6
7
9 11
8
10
13
DC 24
THRESHOLD THRESHOLDRATIO THRESHOLD RATIO SIG LEVEL OL
BYPASS
MODE
FREQUENC
Y
POWER
GATE COMPRESSOR CH 1 OUTPUTLIMITER CROSSOVER
GAIN
REDUCTION
THRESHOLD THRESHOLDRATIO THRESHOLD RATIO SIG LEVEL OL
BYPASS
GATE COMPRESSOR CH 2 OUTPUTLIMITER
GAIN
REDUCTION
LOW
EXPANDER
(:1) (:1)
SLAV
E
DUA
L
DYNAMI
C
CONTROLLE
R
-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
EXPANDER
(: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 1
0
-4
0
-3
0
-20
0
-1
0
(:1)
1 10
1.
1
4
1.
2
1.
4
1.
6
2
3
-4
0
-3
0
-2
0
0
10
-1
0
20-48
6k
4k
0
0
Manual-3
REAR PANEL DESCRIPTION
1 CHANNEL 1 INPUT connectors: deliver signal to both channel 1 of the processor and to the crossover circuit. Choose either
the XLR or the ¼" TRS jack, do not use both, they do not sum.
2 CHANNEL 1 / LOW OUTPUT connectors: deliver signal from channel 1’s processing circuitry and represents the low-pass
portion of the signal when the CROSSOVER ENGAGE switch is in the position. Both the XLR and the ¼" TRS jack may 7in
be used at the same time if desired.
3 CHANNEL 2 INPUT connectors: only deliver signal to channel 2’s processor. It is disconnected when the CROSSOVER EN-
GAGE switch is in its position. Choose either the XLR or the ¼" TRS jack, do not use both, they do not sum.7in
4 CHANNEL 2 / HIGH / COMBINE OUTPUT connectors: make the signal from channel 2 available to the outside world and
is the high-pass portion of the audio when the CROSSOVER ENGAGE switch is in its position. If the OUTPUTS switch 7in
8 is in the COMBINE position, this output produces the sum of channels 1 & 2 and its overall level is controlled by CH 2
OUTPUT LEVEL. Both the XLR and the ¼" TRS jack may be used at the same time if desired.
5 SIDE CHAIN: Inserting a ¼" TRS plug into this jack breaks the input signal path to both the Compressor and Gate control
circuit. Inserting an equalizer in this loop enables greater compression of boosted equalizer frequencies. e standard convention
is used of Tip=Send & Ring=Return.
6 INPUT GAIN TRIM switches: In its +4 dBu position, the input gain of the respective channel is unity. In the -10 dBV position,
the input gain is increased by 12 dB (although mathematically suspicious, it really is 12 dB, not 14 dB) to compensate for certain
recording devices. is switch must be in the +4 dBu position for front panel calibration accuracy.
7 CROSSOVER ENGAGE switch: In its position, this switch places the low pass portion of the audio signal on CH 1 /LOW in
OUT, and the high pass portion on CH 2 / HIGH / COMBINE OUT.
8 SEPARATE / COMBINE OUTPUT switch: In the COMBINE mode, the outputs of channel 1 and channel 2 are added
together and delivered to the CH 2/HIGH/COMBINE OUT connector. is feature is supplied to allow an input to be split
by the crossover, high pass and low pass delivered to separate processor channels, and recombined at the output of the unit. e
COMBINE mode has no effect on the output of channel 1.
9 Remote POWER supply input: e DC 24 is supplied from the factory with a Model RS 1 Remote Power Supply suitable for
connection to this input jack. e power requirements of the DC 24 call for an 18-24 volt AC center-tapped transformer only.
is is not a telephone jack. Never use a power supply with your DC 24 other than the one supplied or an exact replacement obtained
from Rane Corporation. Using any other type of supply may damage the unit and void the warranty.
0 Chassis ground point: A #6-32 screw is used for chassis grounding purposes. If, after hooking up your system, it exhibits exces-
sive hum or buzzing, there is an incompatibility in the grounding configuration between units somewhere. Your mission is to
discover how your particular system wants to be grounded. Here are some things to try:
1. Try combinations of lifting grounds on units that are supplied with ground lift switches or links.
2. If your equipment is in a rack, verify that all chassis are tied to a good earth ground, either through the line cord grounding pin or
the rack screws to another grounded chassis.
3. Units with outboard power supplies, such as the DC 24, do not ground the chassis through the line cord. Make sure that these
units are grounded either to another chassis which is earth grounded, or directly to the grounding screw on an AC outlet cover by
means of a wire connected to a screw on the chassis with a star washer to guarantee proper contact. If you are connecting the DC
24 outputs directly to a power amplifier, be sure to connect a ground wire to the amplifier chassis.
Refer to the “Sound System Interconnection” RaneNote (supplied with this manual) for further grounding information.
8
6
3
5
6
5
9
10
7
4
1
2
OUTPUTS CH 2 TRIM
CH 2 HIGH /
COMBINE OUT
CH 2
IN
CROSSOVER
ENGAGE
CLASS 2 EQUIPMENT
CH 1 /
CROSSOVER IN
CH 1 /
LOW OUT
DC 24
+4 dBu
COMBINESEPARATE
-10 dBV
TIP=SEND
R
ING=RETURN
TIP=SEND
RING=RETURN
INPUTS AND OUTPUTS
TIP=#2=POSITIVE
RING=#3=NEGATIVE
S
LEEVE=#1=SIGNAL GROUND
CH 1
SIDE CHAIN
CH 2
SIDE CHAIN
R
ANE CORP.
N108
+4 dBu-10 dBV
CH 1 TRIM
600mA
POWER
Product specificaties
| Merk: | Rane |
| Categorie: | Niet gecategoriseerd |
| Model: | DC 24 |
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