Rolls RA63b Manual

Rolls Modtager RA63b

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Side 1/2

RA63b

DISTRIBUTION AMPLIFIER

Quick Start Guide

ROLLS CORPORATION

SALT LAKE CITY, UTAH

10/19

12345

1 2 3 4 1

MONO

STEREO

LEFT

1X8

2X4

STEREO:

MONO:

CONFIGURATION

www.rolls.com

pwr

GAIN

0 dB

+20 dB

8 Channel Mono

4 Channel Stereo

DISTRIBUTION

AMPLIFIER

678

2 3 4

RIGHT

RA63b

FEATURES

• Stereo 4 channel, Mono 8 channel audio distribution

• Screw driver adjustable front panel volume controls

• Balanced inputs and outputs

Input Impedance: 100 KΩ balanced

Max Input Level: +22 dBV

I/O Connectors: 5 pin Pluggable Phoenix screw

terminals; + -, and ground

Output Impedance: 50 Ω balanced

Max Output Level: +24 dB

Max Gain: 20 dB

S/N Ratio: >90 dB

Frequency Response: 10 Hz - 40 kHz, +/- 1 dB

THD: <.008%

Power: 120 VAC 50-60 Hz, 15VA

Size: 19” x 1.75” x 6.5”

(48 x 4.5 x 17 cm)

Weight: 7 lbs. (3 kg)

SPECIFICATIONS

FRONT PANEL

Mono 1 - 8 / Stereo 1 - 4: These screwdriver-adjustable controls vary the level of

signal for each indicated output.

+20dB/0dB Gain switch: Pressing this switch in provides 20 dB of gain to the

input signal.

pwr: LED indicating the unit’s power status.

STEREO/MONO CONFIGURATION

To change the stereo/mono conguration of the RA63b, use the switch on the front

panel to select the desired conguration.

Install the RA63b in a standard 19” rack. The unit is intended for installations where a high level balanced signal is required to drive multiple input lines.

REAR PANEL

120 VAC 50/60 HZ 15 VA: Power Cord. Connect to a properly grounded AC source.

INPUTS Right/Mono and Left: These ve terminals, labeled + for the positive or “hot”

connection, - for the negative connection, and the ground symbol for earth ground

connection are for connection to the balanced or unbalanced input signal(s) to be

distributed.

MONO 1 - 8, STEREO 1 - 4: For each channel; the two terminals labeled + for the posi-

tive or “hot” portion of the output signal, and the - for negative or neutral portion. The

ground signal indicates the terminal to be connected to ground.

pwr

GAIN

0 dB