Instrukcja obsługi Rane DC225

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OPERATORS MANUAL DC 22S
STEREO COMPRESSOR
INPUT GATE COMPRESSOR OUTPUT INPUT GATE COMPRESSOR OUTPUT
3 3
-50 -10 2 0 -50 -10 2 0
1 6 2 6
-60 -40 -20 0 1.7 3 -6 6 -60 -40 -20 0 1.7 3 -6 6 DC 22S
12 LINK 12 DYNAMIC
-70 -30 -30 10 1.2 10 -12 12 -70 -30 -30 10 1.2 10 -12 12
CONTROLLER
24 24
+4 OL +4 OL
-80 -20 -40 20 1 -15 15 -80 -20 -40 20 1 -15 15
dBu dBu :1 GAIN dB dBu dBu :1 GAIN dB
LEVEL THRESHOLD THRESHOLD RATIO REDUCTION BYPASS LEVEL � MASTER SLAVE � LEVEL THRESHOLD THRESHOLD RATIO REDUCTION

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Front Panel Description INPUT GATE COMPRESSOR OUTPUT INPUT GATE COMPRESSOR OUTPUT INPUT LEVEL indicators: With signal applied, the +4 dBu 3 3 -50 -10 2 0 -50 -10 2 0 LED may light occasionally. If the OL (overload) LED flashes, 1 6 2 6 -60 -40 -20 0 1.7 3 -6 6 -60 -40 -20 0 1.7 3 -6 6 DC 22S turn the output level down on the previous device. LINK 12 12 DYNAMIC -70 -30 -30 10 1.2 10 -12 12 -70 -30 -30 10 1.2 10 -12 12 CONTROLLER 24 24 +4 OL +4 OL GATE THRESHOLD control sets the point at which

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Rear Panel Description WIRING OUTPUT INPUT OUTPUT INPUT DC 22S 3-PIN XLR: MADE IN U.S.A. COMMERCIAL AUDIO This device complies with Part • PIN 2 = (+), • PIN 3 = (–), 2 2 1 1 EQUIPMENT 24TJ RANE CORP. 15 of the FCC Rules. Operation • PIN 1 = CHASSIS (SHIELD) is subject to the following two conditions: (1) this device may 1/4" PHONE, BALANCED: -10 dBV -10 dBV R not cause harmful interference, • TIP = (+), • RING = (–), +4 dBu +4 dBu and (2) this device must accept • SLEEVE = CHASSIS (SHIEL

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COMPRESSOR THRESHOLD OPERATING INSTRUCTIONS The threshold is the point at which gain adjustment begins. When A PRIMER the input signal is below the threshold, the Compressor section Let’s start with what a compressor actually does. No matter how acts like a straight wire. When the signal is loud enough to cross you cut it, this is an automatic volume control. It is a hand on the Compressor Threshold, the compressor is active and turns a knob, turning the volume down and turning it up again

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LIMITING RATIO relatively high, just enough to limit the peaks. Set the A limiter is a special form of compressor set up especially to GATE THRESHOLD very low, though you might want to raise reduce peaks for overload protection. In other words, it’s a com- it just above the noise floor to get rid of tape hiss or processor pressor with a maximum ratio. A compressor is used to change noise. the dynamics for purposes of aesthetics, intelligibility, record- Of special interest are instruments whi

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DRIVER PROTECTION FINE TUNING 1. Determine the driver’s maximum continuous average power rating in watts (W) (specified by the manufacturer). 2. Determine the driver impedance “z” in ohms (specified by the manufacturer). 3. Using the data in steps (1) and (2) above, calculate the maximum signal level in dBu that the driver can handle. Max dBu = 20*log(√ (w*z)/.775). 4. Determine the gain of the amplifier in dB (if the amplifier has a level control , you may wish to measure the gain). If, i.e.,