Rolls RP503 User Manual

OUTPUT

INPUT

SIDE CHAIN

CAUTION

RISQUE DE CHOC - NE PAS ENLEVER

RISK OF ELECTRIC SHOCK

DO NOT OPEN

SERIAL NUMBER

WARNING:

DO NOT EXPOSE THIS EQUIPMENT TO RAIN

OR MOISTURE. TO REDUCE THE RISK OF ELECTRIC SHOC

K

DO NOT NOT REMOVE B

ACK. NO USER SERVICABLE PARTS INSIDE.

REFER

SERVICING TO QUALIFIED SERVICE PERSONNEL

C US

RP503

TUBE CHANNEL

• Tube Mic Preamp

• Optical Compressor

• Equalizer

The Bellari RP503 is a single rack space mic preamp, compressor/limiter, and
three band equalizer designed for the professional audio and home recording
market. The unit is ideal for any recording situation, but proves most effective in
natural, pleasant signal conditioning for the digital recording medium.

FEATURES

• Warm, silky tube preamplification

• +48 Volt Phantom Power

• Smooth, natural optical compression

• Side Chain for direct access to the compressor's detector circuits

• Calibrated VU metering

• Three band EQ with sweepable mid section

• All tube gain circuitry with high-voltage plate voltages

• 1/4” and XLR inputs and outputs

SPECIFICATIONS

Input Impedance: 60
50
Output Impedance: 5
Max Input Level: -15 dBV XLR 600 Ohms
+18 dBV 1/4"
Max Gain: +65 dB
Max Output Level: +22 dB
Frequency Response 20Hz - 25kHz +/-3dB
THD + Noise <0.1% typical
Noise Floor - 75 dB

0 Ohms balanced
K Ohms unbalanced (1/4")

0 OhmsTRS Balanced

Equalizer Boost/Cut: +/- 15 dB
Equalizer settings:
Low shelf: 150 Hz
High shelf: 10 kHz
Mid freqencies: 300 Hz - 5 kHz, Q = 1

Compressor settings:
Threshold: -30 dB to +20 dB
Ratio: 2:1 to 8:1

Indicators Phantom Power LED, Clip LED, Power LED
Analog VU Meter
Input/Output jacks XLR balanced
1/4" unbalanced
1/4" TRS unbal. Side Chain

Dimensions 1.75" x 6" x 19"
(90mm X 162mm X 482mm)
Weight 3.5 lbs. (1.75 Kg)

Bellari is a division of

ROLLS Corporation

5968 South 350 West

Salt Lake City, UT 84107

Power 120VAC (230VAC) 15VA