ELECTROCOMPANIET EC 4.7 Manuel utilisateur

USA

EC 4.7

Issue 2

Unpacking the EC 4.7

Immediately upon receipt of the EC 4.7, inspect the carton for possible damage during shipment.

The carton and packaging have been designed to provide the safest possible protection

for transport of your preamplifier.

Unpack the unit carefully. Save all packaging materials for future shipment.

The contents of the carton

1 pcs Electrocompaniet EC 4.7 (preamplifier)

1 pcs AC mains cord.

1 pcs inspection card.

1 pcs remote control.

2 pcs batteries.

Set up procedure

Before connecting the EC 4.7 to the mains, check that the main voltage indicated on the

rear panel corresponds to the line voltage in the territory where you intend to use the unit.

How to avoid damages

Do not under any circumstances connect or disconnect equipment when power is turned on.

The design of the RCA plug generates a huge transient when inserted.

Connecting or disconnecting equipment with the power on can result in severe damage to

both speakers and amplifier.

How to avoid noise problems

The EC 4.7 contains delicate circuits that are sensitive to magnetic strayfields.

The unit should not be placed near main transformers, TV sets, etc. Care should also be

taken regarding placement of the interconnect cables. Do not run interconnect cables in

parallel with main cords or speaker cables. Keep interconnect cables as short as possible.

How to avoid possible antenna problems

In some set-ups hum may occur when you connect the radio, VCR or TV to your system.

The problem is caused by DC voltage coming from your antenna.

Please contact your cable network operator.

GBUSA

How to connect your system

Please read this page carefully and follow diagram 1.

On the rear panel you will find a switch to adjust the gain in the amplifier.

Use this switch to accommodate the signal source to the amplifier. This switch will also

affect the HT input.

Inputs

Single- ended operation:

The left channel is the top row on the rear marked black.

All inputs are similar regarding sonic performance.

Unused inputs may be shorted to ground, using a RCA shorting plug.

To use the balanced input single ended, connect the ECP5XLR in the XLR

Outputs

REC:

Tape outputs are used for recording.

The source you listen to will be monitored through this output.

The record function is not influenced by the volume control setting, but will be shut off by

the MUTE function.

Never use shorting plugs in outputs.

LINE OUT:

The line out is a variable output, dependent on the volume control setting and MUTE function.

These outputs (balanced and single- ended) control the power amplifier.

If more than one amplifier is used, and these amplifiers are DC coupled on the input side,

they will influence on each other when the amplifiers are switched on/off.

To avoid any problem, these amplifiers must be turned on/off simultaneously.

Never use shorting plugs on the outputs.

GAIN SWITCH

On the rear panel you will find a switch to adjust the gain in the amplifier.

Use this switch to accommodate the signal source to the amplifier.

How to power up your system

You should always power up your system in the following way:

Signal sources (CD player, tuner, etc.) first, then the EC 4.7.

Allow a 30 seconds warm-up before you turn on the amplifier.

When switching off your system:

Start with the amplifier, then the EC 4.7, then the signal sources.

GBUSA

Remote control Diagram 2

1. Input selector CD, TUNER, TAPE, DVD, VCR, AUX.

2. Mute on / off

3. Volume up

4. Volume down

Front panel Diagram 3

The main switch is located in the center of the lower part of the front panel.

In daily operation, switch off the EC 4.7 by using the MUTE button on the remote control.

If the EC 4.7 has been switched off, allow two hours of warm-up for optimal sonic

performance.

When the EC 4.7 is not to be used for a long period of time, use the main switch to turn the unit off.

Then disconnect the AC main cord for maximum safety.

Navigator window Diagram 3

The six icons shown on the left-hand side of the front panel have the following functions:

GBUSA

Compact disc

Single ended RCA or

balanced XLR

TUN

Tuner

Radio

Receiver

TAP

Reel to reel

Music cassette

Digital audio tape

DVD

Digital versatile disc

VCR

Video cassette

Recorder

Satellite tuner

Television

AUX

Riaa

Auxiliary

Mini disc

Personal computer

Television

Replacing remote control batteries Diagram 5

Replace used batteries by gently inserting your fingernail or small screwdriver in the

groove on the left side of the battery compartment cover.

Lift the cover off and insert a fresh set of batteries.

Be careful to follow the + and – polarity indications at the bottom of the battery compartment.

Battery: 2 x LR03 / AAA: 1.5Volts

Input configurations Diagram 6

XLR input: 1 = ground 2 = positive 3 = negative

RCA: Circle = ground Center = positive

Output configurations Diagram 6 and 1

XLR output: 1 = ground 2 = positive 3 = negative

Speaker: Red = positive Black or White = ground

RCA to XLR adopter: ECP5XLR: 1 & 3; ground and negative = shorted, 2 = positive

GBUSA

Technical specifications EC 4.7

The following technical data were measured on randomized test objects and are typical data.

All measurements are made at 120V / 240V // 50Hz / 60Hz

Clipping point of the preamplifier is set to a level where total harmonic distortion (THD) is 0.2 %.

Measurements Parameters Single ended Balanced

Input impedance (Fixed) 330 Kohm 165 Kohm

Input level (RMS) > 10 V > 20 V

Equivalent input noise < 3 mV

Signal to noise (400 - 30 KHz) > 100 dB

Channel separation (20 - 20KHz) > 90 dB

Frequency response (DC-65 KHz) - 0.4 dB

Gain (Maximum volume) 0 dB 6 dB

Attenuation (Minimum volume) - 75 dB

Output Impedance (Fixed) 100 ohm

Output level (RMS) > 8 V > 16 V

THD (1Vin, 1Vout, 1 KHz) < 0,001 % < 0.0005 %

Output noise (400 – 30 KHz) < 5 mV < 10 mV

Rated output level

10 % change in line voltage will give approximately 10 % change in output level.

Power consumption (no load or signal) 15 W

The EC 4.7 is DC coupled from input to output.

Dimensions

Width: 483 mm - 19“

Depth: 410 mm - 16.1”

Height: 115 mm - 4.5”

Weight: 8 Kg - 17.6 lbs.

Specifications subject to change without notice.

GBUSA

Important Notice

For optimal sonic performance, the EC 4.7 should be burned in for a minimum time of 72

hours.

The easiest way to burn in your EC 4.7 is to put a signal at any input, without the speakers

connected.

In daily operation, switch off the EC 4.7 by using the MUTE button on the remote control.

If the EC 4.7 has been switched off, allow two hours of warm-up for optimal sonic

performance.

Due to high class A operation in all Electrocompaniet designs, it is normal for the EC 4.7 to

feel warm.

Proper ventilation is important.

Never cover the ventilation area.

A good rule of thumb is to allow at least 3 - 5 cm (1 - 2 inches) of air sidewise, and 5 - 8 cm

(2 - 3 inches) above the EC 4.7.

If service is needed

Your dealer will have all relevant information regarding the service center in your area and

will ensure that your unit is serviced with minimum delay.

It is our general policy to have your unit returned to you within five working days.

This is an average time and can vary locally, depending on the workload at that particular

service center.

If, for some reason, there are no service facilities available in your country, please ship the

unit to the following address:

ELECTROCOMPANIET AS,

SOLHEIMVEIEN 36,

BOX 92, N-1473 SKÅRER (SKAARER),

NORWAY

Switchboard: +47 67911750 Fax: +47 67911760 Service: +47 67911766

E-mail: [email protected]

Web: www.electrocompaniet.no

Service department: [email protected]

The end-user is responsible for all shipping charges, insurance, and re-importation and

duty charges.

When shipping a product to the factory for service, always include the following:

1. A sales slip or other proof of purchase if repair is claimed under warranty.

2. A proforma invoice with value of goods, stating that the amplifier is being returned

to Norway for repair.

3. An accompanying letter describing faults, symptoms, or problems with the unit.

4. Always ship the unit in its original carton and packaging material to prevent dam-

age in transit. Electrocompaniet will not cover damages incurred in transit.

If you require further information concerning the operation of the unit or if you have any

questions related to service, please do not hesitate to contact your dealer or national

distributor.

GBUSA

Desempaquetado del EC 4.7

Inmediatamente después de la recepción del EC 4.7, inspeccione el embalaje, buscando

posibles daños ocurridos durante el transporte. La caja y el embalaje han sido diseñados

para proporcionar la protección más segura durante el transporte de la unidad.

Desempaquete el EC 4.7 con cuidado. Guarde todo el material de embalaje para futuros

transportes.

Contenido de la caja

1 EC 4.7 preamplificador Electrocompaniet

1 cable de CA

1 manual de usuario

1 tarjeta de inspección

1 control remoto

2 pilas

Conectando el EC 4.7:

Antes de conectarlo, asegúrese de que el voltaje de red señalado en el panel trasero

corresponda con el voltaje del territorio donde usted desee instalar la unidad.

Cómo evitar daños

Una buena manera de actuar es apagar todo el equipo antes de realizar cualquier

conexión o desconexión. Bajo ninguna circunstancia conecte o desconecte algo estando

el equipo encendido. Si insiste en conectarlo o desconectarlo cuando el equipo está

encendido, deberá tener en cuenta que el diseño de la clavija RCA genera una gran

corriente cuando éste es insertado. Esto podría causar serios daños tanto a los altavoces

como al amplificador.

Como evitar problemas de ruido

El EC 4.7 contiene delicados circuitos, sensibles a los campos magnéticos. Esta unidad

no deberá ser situada cerca de transformadores, aparatos de televisión, etc. También se

deberá tener cuidado con la colocación de los cables interconectados. No sitúe cables

interconectados de forma paralela a otros cables principales o de los altavoces. Mantenga

los cables interconectados todo lo cortos que le sea posible.

Cómo evitar posibles problemas de antena

Es posible que a veces se oiga un zumbido cuando conecte una radio, un vídeo o una

televisión a su sistema. El problema es decido al voltaje CC de su antena. Contacte con

su operador de cable.

Cómo conectar el sistema

Por favor, lea esta página atentamente y siga el diagrama 1.

Operación RCA:

El canal izquierdo es la fila superior en el panel trasero, marcada en negro. Todas las

entradas proporcionan un resultado sonoro similar.

Las entradas que no estén en uso pueden ser cortocircuitadas usando una clavija RCA

cortocircuitada.

Salidas

REC:

La salida de pletina se usa para grabaciones.

La fuente que está siendo escuchada se dirigirá a esta salida.

La grabación es independiente del control de volumen, pero será cancelada por la

función MUTE.

No use NUNCA clavijas cortocircuitadas en las salidas.

SALIDA DE PREVIO:

La salida de previo depende del control de volumen y de MUTE.

Esta salida (balanceada y RCA) controla el amplificador. Si se usa más de un

amplificador, y estos amplificadores están acopladas a CC en la entrada, influirán el uno

en el otro cuando los amplificadores se enciendan o se apaguen.

Para evitar cualquier problema, estos amplificadores tendrán que ser encendidos y

apagados al mismo tiempo.

No use NUNCA clavijas cortocircuitadas en las salidas.

Cómo encender su sistema

Siempre deberá encenderlo de este modo: primero las fuentes de señales (reproductor de

CD, radio, etc.), después el EC 4.7 Permita que transcurran 30 segundos de

calentamiento antes de encender el amplificador

Cuando apague el sistema:

Empiece con el amplificador, después el EC 4.7 y, por último, las fuentes de señales.

Funciones del control remoto

1. Selector de entradas: CD, TUNER, TAPE, DVD, VCR, AUX

2. MUTE on / off

3. VOLUMEN UP

4. VOLUMEN DOWN

Panel frontal Diagrama 3

El interruptor principal está situado en el centro de la parte inferior del panel frontal.

En el uso diario, apague el EC 4.7 con el botón MUTE del control remoto. Si anteriormente

ha apagado la unidad con el botón MAINS, permita que transcurran dos horas de

calentamiento para obtener un resultado de sonido óptimo.

Cuando la unidad no vaya a ser utilizada durante un largo periodo de tiempo, use el

botón principal para apagarla. A continuación, desconecte el cable de CA para mayor

Compact Disc

RCA o XLR

TUN

sintonizador

radio

receptor

TAP

bobina

cassette

cinta digital de audio

DVD

disco digital versátil

VCR

reproductor de

vídeo

sintonizador vía

satélite

televisión

AUX

RIIA

auxiliar

ordenador personal

televisión

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