Rolls RP583 User Manual
RP583
Studio Tube Compressor/Limiter
CHANNEL
CHANNEL
120 VAC
50/60 Hz 15 VA
MADE IN U.S.A.
ACTIVE
ONE
ACTIVE
TWO
OUTPUT LEVEL THRESHOLD RATIO ATTACK
0
- OO dB +22
0
- OO dB +22
-20 dB +20 .5 ms 100
-20 dB +20 .5 ms 100
MODEL RP583
CAUTION
RISK OF ELECTRIC SHOCK
WARNING:
OR MOISTURE.
CAUTION:
NOT REMOVE BACK. NO USER SERVICABLE PARTS INSIDE. REFER
SERVICING TO QUALIFIED SERVICE PERSONNEL.
RISQUE DE CHOC - NE PAS ENLEVER
DO NOT OPEN
DO NOT EXPOSE THIS EQUIPMENT TO RAIN
TO REDUCE THE RISK OF ELECTRIC SHOCK DO NOT
4:1 5:1
2:1 OO :1
4:1 5:1
2:1 OO :1
SERIAL NUMBER
583-
OUTPUT
BAL
The RP583 is a clean, delightfully warm sounding
compressor/limiter designed for a variety of uses. It
can lightly compress a vocal track, or an overall
program mix, or it can act as a ceiling for the audio
allowing only a designated level of signal pass. All
this is accomplished via optical isolated gain reduction and tube circuits to maintain a pristine fullbodied sound. The RP583 has all the necessary
features like analog metering, variable threshold,
ratio, attack and release times, and a stereo link
switch which combines the channels and makes
Channel Two the master.
FEATURES:
• All tube gain circuitry with proper high-voltage plate
voltages
• Solid state input and output buffering only
• 1/4” and XLR inputs and outputs
• Calibrated, accurate meters
• Smooth, lively tube sound
• Side Chain for direct access to detector circuits
RELEASE
.1 Sec 2
.1 Sec 2
UNBAL INPUT
CHANNEL TWO
S tu d io D u a l T u be C o m p r esso r/L im ite r
SIDE CHAIN
OUTPUT
STEREO
LINK
METER
METER
UNBAL
+4 REF
OUTPUT
GAIN
REDUCTION
CHANNEL ONE CHANNEL TWO
31
0
VU
INPUT
BAL
OUTPUT
BAL
UNBAL
31
0
VU
RP583
SIDE CHAIN
INPUT
OUTPUT
CHANNEL ONE
UNBAL
harshness and brittle sound created by the recording
medium. Tube based compressors have the added benefit
of a natural, even harmonic compression which adds a
smooth and warm characteristic to the sound.
The Bellari RP583 provides all the compression parameters necessary for complete control over the dynamic
process, and it does it all with new and innovative tube
circuit technology.
SPECIFICATIONS
Frequency Response 20 Hz - 40 kHz
Input Impedance 10KΩ balanced
THD + Noise <0.1% typical
S/N Ratio 90 dB
Indicators 2: Active LEDs
Input/Output jacks XLR balanced
Side Chain: 1/4" unbalanced
Dimensions 3.5" x 6" x 19"
Weight 7.5 lbs. (3.4 Kg)
Power 120VAC (230VAC) 15VA
1MΩ unbalanced
2: Analog Meters
1/4" unbalanced
(89mm X 162mm X 482mm)
INPUT
BAL
WHY A TUBE COMPRESSOR / LIMITER?
With the recent explosion of the digital recording
world, tube based preamps and signal processors
have become popular to overcome the inherent
Bellari is a division of
ROLLS Corporation
5143 South Main Street
Salt Lake City, UT 84107
INPUT
250V250V
Output
Buffer
OUTPUT
LEVEL
2
Input
Buffer
Photocell
3
5
10
20
dB
+250
+12
Power Supply
-12
THRESHOLD
RATIO
ATTACK
RELEASE
METER
GAIN RED.
OUTPUT
LEVEL
0
3
6
ACTIVE
SWITCH
SIDE CHAIN
OUT
SIDE CHAIN
IN
2
OUTPUT
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