Rolls RA53 User Manual

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 Corporation, TRANSPORTA TION 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, obligations or
liabilities. ANY IMPLIED WARRANTIES, OBLIGATIONS, OR LIABILITIES,

RA53

Stereo Headphone Amplifier

CHANNEL ONE

OUT

LEVEL

CHANNEL TWO

OUT

LEVEL

CHANNEL THREE

0 100 100 10

LEVEL

OUT

CHANNEL FOUR

0 10

LEVEL

OUT

CHANNEL FIVE

0 10

OUT

LEVEL

POWER

RA53

INCLUDING BUT NOT LIMITED TO THE IMPLIED WARRANTIES OF MER­CHANT ABILITY AND FITNESS FOR A PARTICULAR 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 limitation 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, WHATSOEVER. Some states do not allow
the exclusion or limitation of special, incidental 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.

ROLLS CORPORATION

SAL T LAKE CITY, UT AH

3/00

OWNERS MANUAL

INTRODUCTION

SPECIFICATIONS

Thank you for your purchase of the Rolls RA53 Stereo Headphone Amplifier. This
unit was designed to provide years of dependab le service. Please read this
manual carefully to ensure proper operation.
The RA53 is a five-channel headphone amplifier with a variety of input options. In
addition to the four master mix inputs, three separate mix es ma y be monitored
using the main inputs and the two Insert jacks on Channels 1 and 2.
A 1/4” Link Input/Output jack is pro vided f or connecting two RA53 units together,
providing up to ten channels of headphone monitoring.
Finally - the RA53 is loud. It has plenty of gain f or operation in noisy environ­ments, and works with most any headphone impedance.

INSPECTION

1. Unpac k and inspect the RA53 bo x and pac kage .
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.

TABLE OF CONTENTS

Introduction 1
Inspection 1
Table of Contents 1
Description

Front P anel 2

Rear Panel 2
Connection 3
Operation 4
Schematic 5
Specifications 6
Warranty Back Cover

Input Impedance: 10 KΩ
Max Input Level: +18 dBV
Max Gain: 26 dB per channel
Maximum Output P ow er: 300 mW per channel
Output Impedance: 10 Ω
S/N Ratio: >90 dB
THD: <.08%
IMD (SMPTE): <.08%
Po wer: 12 V AC

(Adapter Provided)

Size: 8.4” x 1.7” x 5”

(21.3 x 4.3 x 13 cm)

Weight: 2.5 lbs (1.14 kg)

1

6