Roland DS-50A Owner's Manual
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Roland DS-50A Owner's Manual

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OWNER'S MANUAL
Thank you for purchasing the Roland Bi-Amp Monitor DS-50A.
Before using this unit, carefully read the sections entitled: "IMPORTANT
SAFETY INSTRUCTIONS" (p. 2), "USING THE UNIT SAFELY" (p. 3), and
"IMPORTANT NOTES" (p. 5). These sections provide important information
concerning the proper operation of the unit. Additionally, in order to feel
assured that you have gained a good grasp of every feature provided by your
new unit, this manual should be read in its entirety. The manual should be
saved and kept on hand as a convenient reference.

Main Features

In Pursuit of High Sound Quality
The DS-50A powered monitor uses a two-way, bi-amplifier design to
achieve high sound quality.
The monitor features a 120-mm LF Driver and a 19-mm soft-dome HF
Driver as speakers. The amplification includes 30-watt and 20-watt
amplifiers designed to achieve high sound quality.
Digital Input
In addition to XLR and TRS phone analog input, the DS-50A is provided with digital input connectors
(coaxial and optical) that support 96 kHz sample rate and 24-bit digital audio.
Digitally input signals are reproduced faithfully through 24-bit D/A conversion, thus preventing noise
or a drop in sound quality.
You can use the monitors with a wide variety of equipment and applications through selective use of
the analog and digital settings.
Reproduction of a Variety of Speaker Sounds
(combination with the VS or VM)
By connecting the Roland V-Studio (VS series) or V-Mixer (VM series) to the DS-50A and using
Speaker Modeling Function of VS or VM, the DS-50A can reproduce the
sounds from a wide range of speakers, ranging from the professional
monitors from other manufacturers to the speaker in a small household
television set.
You can use the DS-50A in combination with the V-Studio or V-Mixer to
simulate the sound checks at mixdown, which conventionally have required
switching between multiple pairs of monitors set up to compare the sound.
* Please be aware that not all VS/VM series units are capable of providing
speaker modeling. Before making your purchase, you should confirm that
the unit you are considering does indeed provide the features you desire.
Copyright © 2000 ROLAND CORPORATION
All rights reserved. No part of this publication may be reproduced in any form without
the written permission of ROLAND CORPORATION.
Amplifier
20W
Amplifier
30W

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Summary of Contents for Roland DS-50A

  • Page 1: Main Features

    Digital Input In addition to XLR and TRS phone analog input, the DS-50A is provided with digital input connectors (coaxial and optical) that support 96 kHz sample rate and 24-bit digital audio. Digitally input signals are reproduced faithfully through 24-bit D/A conversion, thus preventing noise or a drop in sound quality.

  • Page 2: Important Safety Instructions

    CAUTION RISK OF ELECTRIC SHOCK DO NOT OPEN ATTENTION : RISQUE DE CHOC ELECTRIQUE NE PAS OUVRIR CAUTION: TO REDUCE THE RISK OF ELECTRIC SHOCK, DO NOT REMOVE COVER (OR BACK). NO USER-SERVICEABLE PARTS INSIDE. REFER SERVICING TO QUALIFIED SERVICE PERSONNEL. INSTRUCTIONS PERTAINING TO A RISK OF FIRE, ELECTRIC SHOCK, OR INJURY TO PERSONS.

  • Page 3: Using The Unit Safely

    • Do not attempt to repair the unit, or replace parts within it (except when this manual provides specific instructions directing you to do so). Refer all servicing to your retailer, the nearest Roland Service Center, or an authorized Roland distributor, as listed on the "Information" page.

  • Page 4: Table Of Contents

    Names of Things and What They Do ...6 Connection Examples ...8 Important Notes on Placement ...8 Precautions When Connecting and Turning on the Power ...8 Using Two DS-50A Monitors for Stereo Sound...8 Using As a Reference Monitor for the V-Studio or V-Mixer ...9 Reference ...10 Troubleshooting ...10 Specifications ...10...

  • Page 5: Important Notes

    (including padding) that it came in, if possible. Otherwise, you will need to use equivalent packaging materials. • Use a cable from Roland to make the connection. If using some other make of connection cable, please note the following precautions.

  • Page 6: Names Of Things And What They Do

    Names of Things and What They Do HF Driver * Do not touch the diaphragm. LF Driver * Do not touch the speaker cone. Bass-reflex Ducts These are conduits for rich, bass-range reproduction. Power Indicator Lights when power is on.

  • Page 7: Level Control

    (with digital signals). Choose the setting appropriate for your setup. MEMO With the DS-50A, there is no difference between L and R. When using the digital input connectors of two DS-50A monitors for stereo sound, the digital signal can be input to either L or R.

  • Page 8: Connection Examples

    Take care not to touch them with your hands. * Please also refer to “Placement” in IMPORTANT NOTES (p. 5). Using Two DS-50A Monitors for Stereo Sound Example for Using Analog Input Connectors Mixer,etc.

  • Page 9: Using As A Reference Monitor For The V-Studio Or V-Mixer

    Connection Examples Using As a Reference Monitor for the V-Studio or V-Mixer The DS-50A supports the "Speaker Modeling" function that is included in the Roland V-studio (VS series) and V-mixer (VM series). NOTE • Please be aware that not all VS/VM series units are capable of providing speaker modeling.

  • Page 10: Reference

    If there is no sound or if the unit does not operate as you expect, please check the following points first. If this does not resolve the problem, contact the nearest Roland service center or authorized Roland distributor. There’s No Sound Make sure the Input Level control has not been turned fully counterclockwise.

  • Page 11: Frequency Response

    Reference Frequency Response (dB) This product complies with the requirements of European Directives EMC 89/336/EEC and LVD 73/23/EEC. FEDERAL COMMUNICATIONS COMMISSION RADIO FREQUENCY INTERFERENCE STATEMENT This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to Part 15 of the FCC Rules.
  • Page 12 Information When you need repair service, call your nearest Roland Service Center or authorized Roland distributor in your country as shown below. TAIWAN AFRICA AFRICA ROLAND TAIWAN ENTERPRISE CO., LTD. EGYPT Room 5, 9fl. No. 112 Chung Shan Al Fanny Trading Office N.Road Sec.2, Taipei, TAIWAN,...

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