musikelectronic geithain RL944K1 Manual de usuario
musikelectronic geithain
RL 944K
RL 944K1
Instructions for installation and use
TABLE OF CONTENTS 2
musikelectronic geithain GmbH RL944K / RL944K1
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 RL944K 10
5.2 Set-up the RL944K1 10
5.3 Cable connection 11
5.4 Status indication 11
5.5 Adjustment controller 11
6 Specications 12
7 Acoustic measurements 14
8 Notes 15
INTRODUCTION 3
musikelectronic geithain GmbH RL944K / RL944K1
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.
Theusualburn-inperiodisnotrequired,becausethespeakersarearticiallyagedin-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 RL944K / RL944K1
2 System description
The RL944K is a specialist for small rooms and short listening distances. So it is designed for both
theprofessionaluserintheoutsidebroadcastingvan,smallaudio,videoandlmstudiosandforthe
discerning music enthusiast, who is not willing to make a compromise in a small living room.
By the cardioid radiation characteristics within the frequency range from 35 through 250 Hz
the reections on the back walls behind the speaker 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-upsituationbyanintegratedroommatchinglter.
The total directivity index of the monitor was optimised for listening distances between 1 and 2.60 m
(3.3 and 8.6 ft). As the bass system a very linear 200mm (8’’) long throw driver in a cardioid cabinet
isemployed,deliveringexcellentimpulsedelity.Duetothespecialconstructionalowfrequency
reproduction is possible that is not expected from such a small cabinet. Therefore the RL944K
is a real full-range speaker and in an outside broadcasting van an additional subwoofer can be
spared. The 100mm (4’’) cone is mounted together with the 19 mm (3/4’’) 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 consequent optimisation for short
listening distances the RL944K allows realistic depth arrangement even in outside broadcasting vans
and facilitates correct miking. Therefore the RL944K is a precision studio tool allowing fatigue free
working for hours.
Thethree-channelMOSFETpoweramplierwithelectroniccrossoverisintegratedwithintheback
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 RL944K1 is a more compact cabinet variant of the RL944K, 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
providedMOSFETamplierinanuprightstandingenclosurethe19’’compatibleClassDamplier
RL-Amplierisalsoavailable.
Avarietyofspecialstandsandracksisavailableasaccessories.Accordingxingelementshavebeen
integrated into the loudspeaker cabinet.
BASIC INFORMATION 5
musikelectronic geithain GmbH RL944K / RL944K1
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.
;Ensuresufcientairventilationwheninstallingthedeviceinashelforwall.
;Do not try to insert anything into device openings.
;Thedeviceshallnotbeexposedtodrippingorsplashingandnoobjectslledwithliquidsshall
be placed on the device.
;There is risk of electric shock when the device is open.
;Referallservicingtoqualiedservicepersonnel.
;Clean only with dry or slightly moistened cloth.
BASIC INFORMATION 6
musikelectronic geithain GmbH RL944K / RL944K1
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
;Amplierenclosure(onlyRL944K1)
;Speakon cable (only RL944K1)
;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
destructionbyoverload,misuseoroutsideinuencestherearenoclaimsunderguarantee.
POSITIONING 7
musikelectronic geithain GmbH RL944K / RL944K1
4 Positioning
Our speakers do not impose special requirements neither in stereo nor in multichannel set-ups.
Nonetheless speaker positioning has inuence 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
withoutanyconstructionalmeasures.Backwallreectionsareunavoidable.
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.
b
b
;Minimumdistancetowall b≥20cm(7.9”)
POSITIONING 8
musikelectronic geithain GmbH RL944K / RL944K1
4.2 Stereo operation
The optimum position of the speakers in your listening environment is the so-called stereo triangle
(seegure).Thebasedistancebetweenthespeakersandthedistancetothehearingzoneform
an equilateral triangle (stereo triangle). A distance less than 1 m (3.3 ft) or more than 2.6 m (8.6 ft)
should be avoided. For precise, spacial reproduction turn the speakers inside, directed to the hearing
zone.
a
a a
hearing zone
60°
;Distance between speakers and your listening position a = 1 … 2.6 m (3.3 … 8.6ft)
;Adjust the speaker horizontally to the height of the ear at the listening position
POSITIONING 9
musikelectronic geithain GmbH RL944K / RL944K1
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°
a
a
a
aa
hearing zone
;Distance between speakers and your listening position a = 1 … 2.6 m (3.3 … 8.6ft)
CONNECTING THE SPEAKERS 10
musikelectronic geithain GmbH RL944K / RL944K1
5 Connecting the speakers
In this chapter we inform you how to connect your speakers to mains and your signal source. Ensure
thatthemainsswitchonthebacksideisinposition“OFF”.Onlywhenyourspeakeriscompletely
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 RL944K
Check the mains voltage stated on the backside of the device. If your local mains voltage does not
matchthespecicationofthespeaker,pleaserefertoyourretailerordirectdistribution.Whenthe
stated and your local mains voltage comply connect the mains connector of the speaker to the socket
withtheincludedmainscable.ConnectyoursignalsourcewiththeamplierthroughtheXLRsocket.
5.2 Set-up the RL944K1
TheamplieroftheRL944K1ishousedinaseparateenclosure.Everyamplierispairedtoexactly
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 specication 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.
NowconnecttheSpeakertotheamplierwiththeshieldedSpeakoncablethatispartofthedelivery
contents.Ensurethatthelatchsnapsinplaceinthesocketsofthespeakerandtheamplierby
turningtheplugclockwise.ConnectyoursignalsourcewiththeamplierthroughtheXLRsocket.
Este manual sirve para los siguientes modelos
1
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