Roland KC-350 Owner's Manual
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Roland KC-350 Owner's Manual

Stereo mixing keyboard amplifier
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OWNER'S MANUAL
Thank you, and congratulations on your choice of the Roland Keyboard Amplifier KC-550/
KC-350.
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, Owner's manual should be read in its entirety. The manual
should be saved and kept on hand as a convenient reference.
Before using this unit, carefully read the sections entitled:
• IMPORTANT SAFETY INSTRUCTIONS (p. 2)
• USING THE UNIT SAFELY (p. 3–p. 4)
• IMPORTANT NOTES (p. 5)

Main Features

• This monitor-speaker amplifier is designed to provide high-quality sound for a variety of
sources, including digital keyboards and sound modules.
• The amps' two-way speaker systems consist of a 38 cm (15-inch) speaker (in the KC-550;
the KC-350 includes a 30 cm [12-inch] speaker) and horn/tweeter. These amps feature
high-power output as well, with the KC-550 outputting 180 watts and the KC-350 120
watts.
• The input section features a four-channel stereo mixer. CH 1 is provided with an XLR
connector in addition to supporting mic input.
• CH 4 includes a select switch that lets you choose the destination for output. This feature
rounds out the monitor functions.
• The KC-550/KC-350 is equipped with a three-band equalizer. Moreover, when combined
with the SHAPE switch, even more tonal variations are possible.
• Features a SUBWOOFER OUT jack, allowing connection of a powered subwoofer for
playback of even more impressive bass.
• Provided with an RCA phono type AUX IN jack, making it easy to connect devices such
as CD and MD players.
• Equipped with line outs, making it convenient to connect to an external mixer or recorder.
• Equipped with STEREO LINK function. Stereo playback is enabled simply by connecting
two KC-550 or KC-350 units with a single audio cable (phone type).
Copyright © 2003 ROLAND CORPORATION
All rights reserved. No part of this publication may be reproduced in any form without the
written permission of ROLAND CORPORATION.

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  • Page 1: Main Features

    • The amps’ two-way speaker systems consist of a 38 cm (15-inch) speaker (in the KC-550; the KC-350 includes a 30 cm [12-inch] speaker) and horn/tweeter. These amps feature high-power output as well, with the KC-550 outputting 180 watts and the KC-350 120 watts.

  • Page 2: Important Safety Instructions

    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 • 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 012a: • Immediately turn the power off, remove the power cord from the outlet, and request servicing by your retailer, the nearest Roland Service Center, or an authorized Roland distributor, as listed on the “Information” page when: • The power-supply cord, or the plug has been damaged;...

  • 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: Panel Descriptions

    This is effective in preventing the loop noise that may occur at times such as when the CH 4 input and Line Out on the KC-550/KC-350 are both connected to a mixer. : Use CH 4 equally with CH 1 through CH 3.

  • Page 7: Power Indicator

    2. MASTER CONTROL EQUALIZER The KC-550/KC-350 comes with a three-band equalizer. LOW Knob This adjusts the tone of the bass range. MIDDLE Knob This adjusts the tone of the middle range. HIGH Knob This adjusts the tone of the treble range.

  • Page 8: Jack Panel

    Panel Descriptions Jack Panel fig.21 KC-550 only CHANNEL INPUT 5. CH 1 Input Jacks In addition to a standard jack, this channel is equipped with a balanced XLR connector, useful for connecting mics. Use this for connecting mics, keyboards, sound modules, and other devices.

  • Page 9: Stereo Link

    9. STEREO LINK Stereo playback is enabled simply by connecting two KC-550 or KC-350 units with a single audio cable (phone type). * For details on the Stereo Link function, refer to “Stereo Link” (p. 12). STEREO LINK OUT Jack Connect this jack to the STEREO LINK IN jack on a sub (L) KC-550/KC-350 when using a Stereo Link configuration.
  • Page 10 Connect your KC-550/KC-350 Refer to the following diagram and connect the KC-550/KC-350 to the external equipment you are using. fig.30-1 Jack Panel INPUT KC-550 only Rhythm Machine Mixer Here is an example of a setup that makes full use of the KC- 550/KC-350’s mixer and monitor functions.

  • Page 11: Switching The Power On And Off

    Connect your KC-550/KC-350 About the Volume-level Settings In order to get optimum sound from the KC-550/KC-350 when performing, set the volume as described below. 1. Operate the CH 1 through CH 4 volume knobs to adjust the volume level for CH 1 through CH 4.

  • Page 12: Switching The Power On Or Off

    Stereo Link Stereo playback is enabled simply by connecting two KC-550 or KC-350 units with a single audio cable (phone type). This function is called “Stereo Link.” As the channel control section is designed to accept stereo signals, connection of sound sources is needed only at the main unit, thus enabling channel volumes to be centrally controlled on the main unit.

  • Page 13: Proper Use Of The Casters

    Be sure to remove all the casters when accidental movement may be dangerous, such as when setting up the KC-550/ KC-350 on stage, or when transporting it in a vehicle. This is a heavy piece of equipment. To prevent injury caused by the unit overturning or being dropped, two or more people should work together when carrying the unit.

  • Page 14: Main Specifications

    Main Specifications KC-550: STEREO MIXING KEYBOARD AMPLIFIER SPECIFICATIONS Rated Power Output 180 W Nominal Input Level (1 kHz) Channel 1 (MIC/LINE): -50 – -20 dBu Channel 2–4 (LINE): -20 dBu STEREO LINK INPUT: 0 dBu AUX IN: -10 dBu Nominal Output Level (1 kHz) LINE OUT (XLR type, Phone type): STEREO LINK OUTPUT: SUBWOOFER OUT:...
  • Page 15 KC-350: STEREO MIXING KEYBOARD AMPLIFIER SPECIFICATIONS Rated Power Output 120 W Nominal Input Level (1 kHz) Channel 1 (MIC/LINE): -50– -20 dBu Channel 2--4 (LINE): -20 dBu STEREO LINK INPUT: 0 dBu AUX IN: -10 dBu Nominal Output Level (1 kHz)
  • Page 16 For EU Countries This product complies with the requirements of European Directives EMC 89/336/EEC and LVD 73/23/EEC. xxxxxxxx ’00-xx-xx-xxx...

This manual is also suitable for:

Kc-550

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