Musikelectronic geithain RL 922K1 Manual de usuario

musikelectronic geithain

RL 922K

RL 922K1

Instructions for installation and use

TABLE OF CONTENTS 2

musikelectronic geithain GmbH RL922K / RL922K1

Table of contents

1 Introduction 3

2 System description 4

3 Basic information 5

3.1 Guidelines 5

3.2 Safety instructions 5

3.3 Unboxing 6

3.4 Delivery contents 6

3.5 Cleaning 6

3.6 Environmental conditions 6

3.7 Guarantee acknowledgements 6

4 Positioning 7

4.1 Positioning near walls 7

4.2 Stereo operation 8

4.3 Surround operation 9

5 Connecting the speakers 10

5.1 Set-up the RL922K 10

5.2 Set-up the RL922K1 10

5.3 Cable connection 11

5.4 Status indication 11

5.5 Adjustment controller 11

6 Specications 12

7 Acoustic measurements 14

8 Notes 15

INTRODUCTION 3

musikelectronic geithain GmbH RL922K / RL922K1

1 Introduction

Dear customer,

Thank you for your trust you have put in us by buying these speakers. You decided upon a quality

product that in regard to tonal and technical characteristics complies to the utmost expectations.

Theusualburn-inperiodisnotrequired,becausethespeakersarearticiallyagedin-house.

Please read the technical description and manual to take advantage of the capabilities

of these speakers and ensure safe operation.

SYSTEM DESCRIPTION 4

musikelectronic geithain GmbH RL922K / RL922K1

2 System description

The RL922K has been designed for both the professional user at medium-size to large audio, video

andlmstudiosandforthediscerningmusicenthusiast.

By the cardioid radiation characteristics within the frequency range from 30 through 250 Hz

the reections on the back walls of listening rooms can be minimised. In addition the transfer

characteristic can be matched to the acoustical conditions of the reproduction room as well as to the

set-upsituationbyanintegratedroommatchinglter.

The total directivity index of the monitor was optimised for middle through larger listening distances

between two and three metres. As the bass system a very linear 300mm (12’’) long throw driver

in a cardioid cabinet is employed, delivering excellent impulse delity. The 125mm (5’’) cone is

mounted together with the 25 mm (1’’) dome tweeter coaxially in front of the bass system allowing a

precise steering of the focal perspective. As a result a realistic and steady spatial performance of the

sound image around the listening position is achieved, with high homogeneity and smallest possible

colouration. By the great membrane area the RL922K is in the highest degree level proof while at

the same time it has the lowest distortions. Therefore the RL922K is a precision studio tool allowing

fatigue free working for hours.

Thethree-channelMOSFETpoweramplierwithelectroniccrossoverisintegratedwithintheback

wall of the cabinet and is hinged for service purposes. An intermittent LED lighting signals when the

overload limit is reached. After crossing of the maximum level the output level will be reduced by

20 dB to avoid any overloading of the components.

The RL922K1 is a more compact cabinet variant of the RL922K, that is employed when not enough

room is available. Be it a video wall or an outside broadcasting van. As an alternative to the standardly

providedMOSFETamplierinanuprightstandingenclosurethe19’’compatibleClassDamplier

RL-Amplierisalsoavailable.

Avarietyofspecialstandsandracksisavailableasaccessories.Accordingxingelementshavebeen

integrated into the loudspeaker cabinet.

BASIC INFORMATION 5

musikelectronic geithain GmbH RL922K / RL922K1

3 Basic information

3.1 Guidelines

This product complies to requirements of current European and national guidelines (Elektro-

magnetische Verträglichkeit 89/336/EWG). The conformity is ascertained, corresponding declarations

and records are deposited with the manufacturer.

Products built by us belong to B2C-class of the WEEE guidelines and must not

be disposed with domestic waste.

3.2 Safety instructions

Like using any other electrical device you should observe the following operation guidelines, safety

instructions and warning signs to ensure optimum functionality and safety of operation!

;Read these instructions carefully.

;Keep these instructions.

;Do not attempt to service this product yourself as opening or removing cover may expose you

to dangerous voltage or other hazards.

;Electrical devices are not intended for use by kids.

;Operate this device only with the mains voltage stated on the backside.

;Do not install the device near any heat sources.

;Do not expose the device to direct sun radiation.

;Do not install the device in rooms with high humidity.

;Ensuresufcientairventilationwheninstallingthedeviceinashelforwall.

;Do not try to insert anything into device openings.

;Thedeviceshallnotbeexposedtodrippingorsplashingandnoobjectslledwithliquidsshall

be placed on the device.

;There is risk of electric shock when the device is open.

;Referallservicingtoqualiedservicepersonnel.

;Clean only with dry or slightly moistened cloth.

BASIC INFORMATION 6

musikelectronic geithain GmbH RL922K / RL922K1

3.3 Unboxing

Unpack the speaker carefully and check for visible damages by inappropriate transport. In case of

damages report them to your retailer. Keep the packaging, in case the speaker has to be transported

in the future.

3.4 Delivery contents

;Speaker

;Amplierenclosure(onlyRL922K1)

;Speakon cable (only RL922K1)

;Mains cable

;Technical description and user manual

3.5 Cleaning

The speaker is made of real wood veneer and should be nurtured in the same way as furnishings.

We advice quality wax polish to ensure durability of the veneer. Surfaces can also be cleaned with

tidy, slightly damped, fuzz-free, smooth cloth.

3.6 Environmental conditions

Ensure the following environmental conditions:

Operating temperature + 15°C ... +35°C

Storage temperature range - 25°C ... + 45°C

Relative humidity 45 % ... 75 %

3.7 Guarantee acknowledgements

Opening the device by unauthorised personnel leads to all claims under guarantee expire. In case of

destructionbyoverload,misuseoroutsideinuencestherearenoclaimsunderguarantee.

POSITIONING 7

musikelectronic geithain GmbH RL922K / RL922K1

4 Positioning

Our speakers do not impose special requirements neither in stereo nor in multichannel set-ups.

Nonetheless speaker positioning has inuence on listening impression because every room is

individually designed and furnished. The following advices are just guidelines that ease proper

positioning. In addition we offer a measurement service to take advantage of the capabilities of your

listening environment.

4.1 Positioning near walls

When speakers are installed near walls sound quality is physically affected. Every customary speaker

behaves as a punctual sonic source in the low frequency range, with sonic waves spherical radiated

withoutanyconstructionalmeasures.Backwallreectionsareunavoidable.

The speakers however utilise cardioid radiation characteristics with rearward attenuation greater than

10 dB. Because of this structural measurement installation near walls is considerably less critical. For

optimum listening experience a minimum distance of 20cm (7.9’’) to walls and furniture should be

ensured. Avoid corner installations because unwanted bass accentuation could arise.

;Minimumdistancetowall  b≥20cm(7.9”)

POSITIONING 8

musikelectronic geithain GmbH RL922K / RL922K1

4.2 Stereo operation

The optimum position of the speakers in your listening environment is the so-called stereo triangle

(seegure).Thebasedistancebetweenthespeakersandthedistancetothehearingzoneforman

equilateral triangle (stereo triangle). A distance less than 2m (6.6 ft) or more than 3 m (9.9 ft) should

be avoided. For precise, spacial reproduction turn the speakers inside, directed to the hearing zone.

a a

hearing zone

60°

;Distance between speakers and your listening position a = 2 … 3 m (6.6 … 9.9 ft)

;Adjust the speaker horizontally to the height of the ear at the listening position

POSITIONING 9

musikelectronic geithain GmbH RL922K / RL922K1

4.3 Surround operation

In surround operation the stereo triangle (see Stereo operation) is extended to a circle. The hearing

zone is the center of this circle. Position all speakers in the same distance to the hearing zone. The

center speaker is positioned in the middle between both front speakers. Pay attention to positioning

the front and rear speakers horizontally along one plane. The angle between center and rear

speakers should be about 110° - 120°

60°

110° ... 120°

hearing zone

;Distance between speakers and your listening position a = 2 … 3 m (6.6 … 9.9 ft)

CONNECTING THE SPEAKERS 10

musikelectronic geithain GmbH RL922K / RL922K1

5 Connecting the speakers

In this chapter we inform you how to connect your speakers to mains and your signal source. Ensure

thatthemainsswitchonthebacksideisinposition“OFF”.Onlywhenyourspeakeriscompletely

connected (see chapters 5.1, 5.2 and 5.3) you can take the device into operation by use of the mains

switch.

5.1 Set-up the RL922K

Check the mains voltage stated on the backside of the device. If your local mains voltage does not

matchthespecicationofthespeaker,pleaserefertoyourretailerordirectdistribution.Whenthe

stated and your local mains voltage comply connect the mains connector of the speaker to the socket

withtheincludedmainscable.ConnectyoursignalsourcewiththeamplierthroughtheXLRsocket.

5.2 Set-up the RL922K1

TheamplieroftheRL922K1ishousedinaseparateenclosure.Everyamplierispairedtoexactly

one speaker by the same serial number. Ensure installation in pairs.

Before start-up check the mains voltage stated on the backside of the device. If your local mains

voltage does not match the specication of the speaker, please refer to your retailer or direct

distribution. When the stated and your local mains voltage comply connect the mains connector of

the speaker to the socket with the included mains cable.

NowconnecttheSpeakertotheamplierwiththeshieldedSpeakoncablethatispartofthedelivery

contents.Ensurethatthelatchsnapsinplaceinthesocketsofthespeakerandtheamplierby

turningtheplugclockwise.ConnectyoursignalsourcewiththeamplierthroughtheXLRsocket.

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