Musikelectronic geithain ME802K Manuale utente

musikelectronic geithain

ME 802K

Instructions for installation and use

TABLE OF CONTENTS II

musikelectronic geithain GmbH ME 802K

Table of contents

1 Introduction 1

2 Disclaimer 2

3 System description 3

4 Basic information 4

4.1 Guidelines 4

4.2 Safety instructions 4

4.3 Unboxing 6

4.4 Delivery contents 6

4.5 Cleaning 6

4.6 Environmental conditions 6

4.7 Guarantee acknowledgements 6

5 Positioning 7

5.1 Positioning near walls 7

5.2 Stereo operation 8

5.3 Surround operation 9

6 Set-up the speakers 10

6.1 Mains connection 10

6.2 Cable connection 10

6.3 Adjustment controller 11

6.4 Status indication 11

6.5 LFE input 11

7 Specications 12

8 Acoustic measurements 13

9 Notes 14

INTRODUCTION 1

musikelectronic geithain GmbH ME 802K

1 Introduction

Dear customer,

Thank you for the 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.

DISCLAIMER 2

musikelectronic geithain GmbH ME 802K

2 Disclaimer

Technical data and appearances are subject to changes without notice. Errors and omissions

excepted. Musikelectronic Geithain GmbH assumes no liability for any loss which may be suffered

by any person who relies either wholly or in part upon any description, photograph or statement

contained herein. Musikelectronic Geithain GmbH products are sold through authorized fulllers

and resellers only. Fulllers and resellers are not agents of Musikelectronic Geithain GmbH and

have absolutely no authority to bind Musikelectronic Geithain GmbH by any express or implied

undertaking or representation. This manual is copyrighted. No part of this manual may be reproduced

or transmitted in any form or by any means, electronic or mechanical, including photocopying and

recording, or by any information storage or retrieval system without the prior written permission of

Musikelectronic Geithain GmbH.

SYSTEM DESCRIPTION 3

musikelectronic geithain GmbH ME 802K

3 System description

The 4-way concept of the ME 802K comprises three 10-inch woofer systems, a 6.5-inch high-

performance midrange system and a tweeter array with three vertically arranged 1-inch dome

tweeters. The directivity of the system has been optimized for listening distances of between three

and eight metres, rendering a natural sound pattern in stereo and multichannel operation. Two 1000 W

and two 500 W amplier modules supply the bass, mid and treble channels with sufcient power. The

resulting overload safety ensures that even signals with highest peak levels are not limited. Also,

sound pressure levels of up to 125dB can be performed without audible distortions throughout the

effective frequency range. A room compensation network, integrated into the amplier electronics,

allows control of the room-dependent frequency response.

The vertical arrangement of the 10-inch woofers provides a directivity index that ensures realistic

bass presence even at listening distances of up to eight metres. Our reliable K Technology minimizes

rearward-directed room reections in the bass range and simplies the positioning of the ME 802K

in the listening room. If required, the three 10-inch bass units can be operated as subwoofers via

the LFE input.

The low coloration and low distortion of the 6.5-inch high-performance midrange system result from

the intelligent combination of several construction details. The cone loudspeaker, for example, runs

without contact to the enclosure, thus avoiding the problem of cabinet resonances. Instead, the

midrange system is operated with a rearward-directed acoustic ow resistor in order to achieve the

desired directivity.

Frequently used wave guides in front of tweeter systems make directivity control easy. However,

they tend to produce unavoidable coloration due to short-time reections on the inner horn surface.

We take a different approach by using a tweeter array and doing without horn loudspeaker systems

for sound level enhancement. The tweeter unit that is arranged coaxially in front of the midrange

system guarantees the trademark low coloration reproduction of sound events in our loudspeakers.

All these features make the ME802K so unique on the loudspeaker market. It is ideal for large

listening distances and for acoustically less attenuated rooms.

BASIC INFORMATION 4

musikelectronic geithain GmbH ME 802K

4 Basic information

4.1 Guidelines

This product complies to requirements of current European and national guidelines (2004/108/EG

Electromagnetical Compatiblity). 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.

4.2 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 during the life cycle at a safe place. The instructions are an important

part of the product.

;Heed all warnings. Follow all instructions.

;The product may only be used in accordance with the information provided in the user manual.

Before and during the usage of the amplier please ensure that all recommendations, especially

the safety recommendations in the user manual, are adhered to.

;Do not place this product on an unstable cart, stand, tripod, bracket, or table. The product may

fall, causing serious injury, and damage to the product.

;The heat sink must not be blocked or covered. This product should not be installed unless

proper ventilation is provided or manufacturer‘s instructions have been adhered to.

;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.

;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.

;Clean only with dry or slightly moistened cloth.

;Protect the power cord from being walked on,pinched or damaged in any other way. Pay

particular attention to plugs and the point where they exit the device.

BASIC INFORMATION 5

musikelectronic geithain GmbH ME 802K

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

to dangerous voltage or other hazards.

;Refer all servicing to qualied service personnel.

BASIC INFORMATION 6

musikelectronic geithain GmbH ME 802K

4.3 Unboxing

The speakers are shipped in proper condition. Unpack the speaker carefully and check for visible

damages. In case of damages report them to your retailer. Keep the packaging, in case the speaker

has to be transported in the future.

4.4 Delivery contents

;Speaker ME 802K

;Mains cable

;Technical description and user manual

4.5 Cleaning

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

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

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

4.6 Environmental conditions

Ensure the following environmental conditions in your listening room:

;Operating temperature +15 °C ... +35°C (+59°F ... +95°F)

;Storage temperature range −25 °C ... +45 °C (−13 °F ... +113 °F)

;Relative humidity 45 % ... 75 %

4.7 Guarantee acknowledgements

Opening the device by unauthorized 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 ME 802K

5 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.

5.1 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 ME802K however utilize cardioid radiation characteristics with rearward attenuation

greater than 10dB. Because of this structural measurement installation near walls is considerably

less critical. For optimum listening experience a minimum distance of 20 cm (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 ME 802K

5.2 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 3 m (9′10″) or more than 8 m (26′3″)

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 = 3 m … 8 m (9′10″ … 26′3″)

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

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