OWNERS MANUAL
RP533
Studio Tube
Multi-Processor
Salt Lake City, UT
1/97
BOTTOM
DEFINITION
METER
0 10
0 10
O
MP EXCIT
S tu d io T u be M u lti-P rocessor
+4 REF
OUT.
GAIN
RED.
EXCITER
VU
31
0
PHAN
PWR
GAIN
THRESHOLD
RATIO
ATTACK
RELEASE
OUTPUT
LEVEL
+20 dB +40
RP533
-17 dB +14
.5 ms 100
.1 Sec 2
2:1 OO :1
- OO +14
C
PREAMP
COMPRESSOR/LIMITER
dB
0
Congratulations and thank you for choosing the Bellari RP533 Studio
Tube Multi-Processor. The RP533 is a powerful unit designed for all the
signal preamplification and processing required before digital recording.
Or, for live applications, the RP533 is ideal for enriching a vocal, fattening
up a horn, or giving depth and presence to a piano or guitar. Any applica-
tion requiring a warm, full-bodied sound can be realized with the RP533.
INSPECTION
1. Unpack and Inspect the RP533 package
Your RP533 was carefully packed at the factory in a protective carton.
Nonetheless, be sure to examine the unit and the carton for any signs of
damage that may have occurred during shipping. If obvious physical
damage is noticed, contact the carrier immediately to make a damage
claim. We suggest saving the shipping carton and packing materials for
safely transporting the unit in the future.
2. Please complete the Warranty Registration Card and return it to the
factory.
14
BLOCK DIAGRAM
THRESHOLD
RATIO
ATTACK
RELEASE
OUTPUT
LEVEL
INPUT
OUTPUT
METER
SIDE CHAIN
IN
SIDE CHAIN
OUT
250V250V
GAIN RED.
OUTPUT
LEVEL
2
2
20
10
5
3
0
3
6
dB
+48 VOLT
PHANTOM POWER
PHASE
REVERSE
250V
GAIN
Photocell
COMPRESSOR
ACTIVE
250V
SONIC EXCIT.
ACTIVE
Phase
Correction
Power Supply
+12
-12
+250
+48
Output
Buffer
30dB PAD
120 VAC
50/60 Hz 15 VA
30dB
PAD
INPUT
OUT
IN
SIDE CHAIN
OUTPUT
CAUTION
WARNING:
DO NOT EXPOSE THIS EQUIPMENT TO RAIN
OR MOISTURE.
CAUTION:
TO REDUCE THE RISK OF ELECTRIC SHOCK DO NOT
NOT REMOVE BACK. NO USER SERVICABLE PARTS INSIDE. REFER
SERVICING TO QUALIFIED SERVICE PERSONNEL.
RISQUE DE CHOC - NE PAS ENLEVER
RISK OF ELECTRIC SHOCK
DO NOT OPEN
MADE IN U.S.A.
MODEL RP533
SERIAL NUMBER
533-
NORM
PAD
NRTL /C
PHASE
REVERSE
NORM
REVERSE
12345678
REWIND
FAST FWD STOP PLAY RECORD
EJECT
NRTL /C
CONNECTION
Connect a microphone or signal to be processed to the RP533 Input.
Press in the Phantom Power switch if your microphone is a condenser or
other type that requires phantom power.
OPERATION
• Apply power to the RP533 and bypass both the Compressor and the
Exciter by setting the Comp. Active and Excit. Active switches out.
• Set the Output Level control to 0 dB (about 1 O'Clock).
• Begin checking the microphone or input signal, and adjust the Preamp
Gain control until the meter reads approximately 0. If the Gain setting is
very low, such as 9 O'Clock or lower, you may wish to press in the 30 dB
Pad switch located on the rear panel, then adjust the Gain control for a 0
reading.
• You may now engage and adjust the Compressor and the Sonic Exciter
to suit your needs. Please note that the meter will read the gain reduction
of the Compressor circuits, or the RP533 overall output level only.
REAR PANEL DESCRIPTION
Outputs: XLR balanced and 1/4" unbalanced connectors for connecting
the RP533 to a mixer or other line level input.
Side Chain Input: 1/4" unbalanced jack for receiving incoming signals to
directly access the detector circuit of the compressor section.
Side Chain Output: 1/4" unbalanced jack for sending out the signal
from the RP533 compressor section. This jack may also be used as a
pre-Output Level output.
Note: The Side Chain Input and Output is not an effects loop, it breaks
the signal path of the RP533 compressor control circuits.
Input: XLR balanced and 1/4" unbalanced connectors for connecting
signals to the RP533.
SPECIFICATIONS
Frequency Response 20Hz - 40kHz +/-3dB
Input Impedance 600 Ω balanced
1M Ω unbalanced
THD + Noise <0.1% typical
Noise Floor -90 dB
Indicators Phantom Power LED
Analog Meter
Input/Output jacks XLR balanced
1/4" unbalanced
1/4" unbal. Side Chain
Dimensions 3" x 6" x 19"
(180mm X 162mm X 482mm)
Weight 10 lbs. (6 Kg)
Power 120VAC (230VAC) 15VA
FRONT PANEL DESCRIPTION
Phntm Pwr: When in, applies +48 volts of phantom powering, to the
XLR input, for condenser type microphones.
Gain: Adjusts the amount of gain in the tube microphone preamp
section. Varies from +13 dB to +33 dB.
Threshold: Sets the level at which the income signal must overcome in
order for the RP533 Compressor to begin compressing.
Ratio: The signal to compression ratio - sets the amount of increase in
input signal required to raise the output signal 1 dB.
Attack: Varies the amount of time taken for the RP533 to begin com-
pressing once the Threshold level has been reached.
Release: Varies the amount of time taken for the RP533 Compressor to
return to normal gain once the signal has dropped below the Threshold
level.
Output Level: Varies the overall signal level from the RP533.
Comp. Active Switch: When in, the signal is routed through the Com-
pressor/Limiter section of the RP533.
Excit. Active Switch: When in, the signal is routed through the Sonic
Exciter section of the RP533.
Bottom: Adjusts the amount of low frequency process is applied to the
signal.
Definition: Adjusts the amount of high frequency process is applied to
the signal.
Meter Switch: Switches the signal metering from indicating the output
jack level (+4 db Ref.), to indicating the amount of gain reduction of the
compressor.
VU Meter: Indicates either the output signal level, or the amount of gain
reduction, depending on the position of the Meter Switch.
Power Switch: Turns the RP533 main power on and off.
2 3
120 VAC
50/60 Hz 15 VA
30dB
PAD
INPUT
OUT
IN
SIDE CHAIN
OUTPUT
CAUTION
WARNING:
DO NOT EXPOSE THIS EQUIPMENT TO RAIN
OR MOISTURE.
CAUTION:
TO REDUCE THE RISK OF ELECTRIC SHOCK DO NOT
NOT REMOVE BACK. NO USER SERVICABLE PARTS INSIDE. REFER
SERVICING TO QUALIFIED SERVICE PERSONNEL.
RISQUE DE CHOC - NE PAS ENLEVER
RISK OF ELECTRIC SHOCK
DO NOT OPEN
MADE IN U.S.A.
MODEL RP533
SERIAL NUMBER
533-
NORM
PAD
NRTL /C
PHASE
REVERSE
NORM
REVERSE
PHAN
PWR
GAIN
THRESHOLD
RATIO
ATTACK
RELEASE
OUTPUT
LEVEL
BOTTOM
DEFINITION
METER
+20 dB +40
RP533
-17 dB +14
.5 ms 100
.1 Sec 2
2:1 OO :1
0 10
0 10
- OO +14
COMP EXCIT
S tu d io T u be M u lti-P rocessor
+4 REF
OUT.
GAIN
RED.
PREAMP
COMPRESSOR/LIMITER
EXCITER
dB
0
VU
31
0
LIMITED WARRANTY
This product is warranted to the original consumer purchaser to be
free from defects in materials and workmanship under normal installation, use
and service for a period of one (1) year from the date of purchase as shown on
the purchaser’s receipt.
The obligation of Rolls Corporation under this warranty shall be
limited to repair or replacement (at our option), during the warranty period of
any part which proves defective in material or workmanship under normal
installation, use and service, provided the product is returned to Rolls Corpora-
tion, TRANSPORTATION CHARGES PREPAID. Products returned to us or to
an authorized Service Center must be accompanied by a copy of the purchase
receipt. In the absence of such purchase receipt, the warranty period shall be
one (1) year from the date of manufacture.
This warranty shall be invalid if the product is damaged as a result of
defacement, misuse, abuse, neglect, accident, destruction or alteration of the
serial number, improper electrical voltages or currents, repair, alteration or
maintenance by any person or party other than our own service facility or an
authorized Service Center, or any use violative of instructions furnished by us.
This one-year warranty is in lieu of all expressed warranties, obliga-
tions or liabilities. ANY IMPLIED WARRANTIES, OBLIGATIONS, OR
LIABILITIES, INCLUDING BUT NOT LIMITED TO THE IMPLIED
WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICU-
LAR PURPOSE, SHALL BE LIMITED IN DURATION TO THE ONE YEAR
DURATION OF THIS WRITTEN LIMITED WARRANTY. Some states do not
allow limitations on how long an implied warranty lasts, so the above limita-
tion may not apply to you.
IN NO EVENT SHALL WE BE LIABLE FOR ANY SPECIAL,
INCIDENTAL OR CONSEQUENTIAL DAMAGES FOR BREACH OF THIS
OR ANY OTHER WARRANTY, EXPRESSED OR IMPLIED, WHATSO-
EVER. Some states do not allow the exclusion or limitation of special, inciden-
tal or consequential damages so the above limitation or exclusion may not
apply to you. This warranty gives you specific legal rights, and you may also
have other rights which vary from state to state.
TABLE OF CONTENTS
Introduction 1
Inspection 1
Block Diagram 1
Front Panel Description 2
Rear Panel Description 3
Specifications 3
Connection 4
Operation 4
Warranty 5
5
Check out the complete line of Bellari equipment:
• ADB3 Stereo Tube Direct Box
• MP110 DIRECT DRIVE Mic Preamp
• RP220 Dual Tube Mic Preamp
• RP282a Dual Tube Compressor Limiter
• RP520 Studio Tube Mic Preamp
• RP562 Stereo Tube Sonic Exciter
• RP533 Studio Tube Multi-Processor
• RP583 Studio Tube Compressor/Limiter
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