Musical Fidelity A3.2 CR Manual de usuario

A3.2 CR Pre Instructions for Use Page 1of 9

Issue 1: April 2002

A3.2 CR

DUAL MONO PREAMPLIFIER

MUSICAL FIDELITY A3.2 CR DUAL MONO PREAMPLIFIER

POWER

PHONO TUNER

AUX 2

MONITOR

CD AUX 1 TAPE

I.R.R.

INSTRUZIONI PER L 'USO

Grazie per aver scelto il Musical Fidelity

l' A3.2 CR

, preamplificatore con telecomando.

Usato appropriatamente e con attenzione, vi darà molti anni di

eccellente riproduzione musicale

Esteticamente l' A3.2 CR

Preamplifier si abbina perfettamente

all' A3.2 CR

Power amplifier, all' A3.2 CD player ed all' A3.2 Tuner.

Insieme, formano uno dei migliori sistemi hifi che pensiamo siano disponibili

Spolverare regolarmente con panno soffice o con soffiec spazzola

e ponete attenzione massimo nell'uso di agenti lucidanti /detergenti

perchè potrebbero danneggiare la suprficie nelle finiture

Se avete domande da farse circa il vostro sistema audio

Vi preghiamo di consultare il vostro rivenditore che provvederà a darvi risposte.

A3.2 CR Pre Instructions for Use Page 2of 9

Issue 1: April 2002

INFORMAZIONI

SICUREZZA

IMPORTANT! (U.K. only)

This unit is supplied in the U.K. with a mains lead fitted with a moulded 13 amp plug.

If, for any reason, you need to cut off this plug, please remove the fuse holder and dispose of

the plug safely, out of reach of children. It must not be plugged into a mains outlet.

The wires in the mains lead supplied with this appliance are coloured in accordance

with the following code:

Green and yellow..............Earth

Blue...............................Neutral

Brown................................Live

WARNING - This appliance must be earthed

As the colours of the wires of the mains lead of this appliance may not correspond with the

coloured markings identifying the terminals in your plug, proceed as follows:

The wire which is coloured green-and-yellow must be connected to the terminal in the plug

which is marked with the letter E or coloured green or green-and-yellow, or by the earth

symbol:

The wire which is coloured brown must be connected to the terminal which is marked with the

letter L or coloured red.

The wire which is coloured blue must be connected to the terminal which is marked with the

letter N or coloured black.

If connecting to a BS1363 plug, a 13 amp fuse must be used.

AVVERTENZA:

Ogni modifica a questo prodotto non espressamente approvata da Musical Fidelity che è

la party responsibile per la conformità agli standards potrebbe annullare l'autorità dell'utilizzatore

di operare/usare questa unità.

A3.2 CR Pre Instructions for Use Page 3of 9

Issue 1: April 2002

CONSIGLI GENERALI

PRECAUZIONI ALL'INSTALLAZIONE ED INFORMAZIONI ALL'UTILIZZATORE

Il vostro nuovo A3.2 CR

pre-amplifier è progettato e costruito per dare performances senza problemi, ma

come per tutte le unità elettroniche è necessario osservare alcune precauzioni:

Badate as tutte le avvertenza indicate e riportate dietro all'unità.

Collefare l'A3.2 CR

pre-amplifier solamente a prese di rete che hanno la stessa tensione d'uso

riportata sul retro dell'unità.

Assicurarsi sempre che quando si collegana o scollegana i vostri apparecchi audio l'alimentazione

sia spenta e la spina staccata dalla presa.

Porre il cavo di alimentazione ed i cavi di inter / connessione dove non vengano schiacciati comminando

e/o intrappolati/schiacciati da oggetti posti loro sopra.

Non usare vicino ad acqua, o non porre contenitori d'acqua sull'unità, come per esempio,vasi di fiori

o vasi di piante e sottovasi. Se acqua dovesse entrare, immediatamente staccare l'interuttore generale

e la spina dalla presa a muro ed informate il vostro rivenditore, che dovrà controllare l'unità prima

di usarla nuovamente L'entrata di liquido all'interno è pericoloso, e può causare elettrico shock o

rischi di incendio.

Non porre l'unità vicino a sorgenti di calore qyuali ad es. caloriferi, raggi solari o altri apparecchi.

L'involucro di questo preamp e dei finali potrebbediventare/diventa caldo . Porre l'unità in un'area ben

ventilata e non toccar la porzioni coinvolte dal calore (quali ad es. alette di raffreddamento) .

Non rimuovere i coperchio o tentare di accedere all'interno. All'intenro non vi sono parti che debbono

essere raggiunte dall'utilizzatore. Se necessitate di assistenza rivolgetevi solo a centri pecializzati.

NOTA: L'apertura non autorizzata del prodotto invalida ogni richiesta di garanzia.

All'interno dell' A3.2 CR

pre-amplifier vi sono fusibili. Se dovessere rendersi necessaria la sostituzione

portate l'unità al rivenditore. NON tentate di sostituire da soli il/i fusibile/i perchè questo fa decadere

la garanzia.

Pulire regolarmente cn un panno/spazzola morbidi, ma siate estremamente attenti nell'uso di agenti

di pulizia - questi potrebbero danneggiare la superficie.

L'elettronica in moderni equipaggiamenti hi-fi è complessa e può essere afflitta negativamente o dan-

neggiata dai fulmini . Per proteggere il vostro sistema audio durante temporali con fulmini, rimuovere

la spina di rete e scollegare ogni cavo aeriale.

Se viene richiesta assistenza dopo-vendita, fornite al rivenditore il numero di matricola, lo scontrino

fiscale ed una descrizione del difetto.

RADIO FREQUENCY INTERFERENCE (R.F.I)

Questo prodotto è stato testato per assicurare che le sue operazioni non siano influenzate da normali

livelli di fondo di R.F.I., e che esso stesso non generei eccessivi ammontari di interferenza.

Se dovesse esistere e persistere un problema contattare il vsotro agente Musical Fidelity .

A3.2 CR Pre Instructions for Use Page 4of 9

Issue 1: April 2002

CONNESSIONI E

C FACILITIES

PHONO CD

TUNER

AUX 1

AUX 2

TAPE TAPE REC

RIGHT

OUTPUT LEFT

OUTPUT

MUSICAL FIDELITY

A3.2 DUAL MONO PREAMPLIFIER

C R

MANUFACTURED IN ENGLAND BY MUSICAL FIDELITY

THIS APPLIANCE

MUST BE

EARTHED

IMPORTANT

50/60Hz

CAUTION

MOUNT UNIT ON SOLID SURFACE. DO NOT REMOVE SCREWS OR

COVERS UNDER ANY CIRCUMSTANCES. NO USER SERVICEABLE

COMPONENTS INSIDE. REFER SERVICING TO QUALIFIED ENGINEER.

SEE OWNERS MANUAL FER FURTHER INFORMATION.

POWER

CONSUMPTION

20W

MM MC

13 14 15 16 17 18 19 20 21 22 23 24

Disegno pannello frontale

1Indicatore accensione LED (red)

2Tasto acceso(spento

3Indicatore di mute LED (blue)

4Volume controllo

5Infra Rosso Ricevitore

6Tasto selezione ingres. PHONO e LED

7Tasto selezione ngresso CD e LED

8Tasto selezione TUNER e LED

9Tasto selezione AUX 1 e LED

10 Tasto selezione AUX 2 input e LED

11 Tasto selezione ingresso TAPE e LED

12 TAPE MONITOR tasto e LED

Disegno pannello posteriore

13 Uscita destra RIGHT

14 Selettore MM/MC

15 Collegamento della terra Phono

16 Ingresso PHONO

17 Ingresso CD

18 Ingresso TUNER

19 Ingresso AUXILLIARY 1

20 Ingresso AUXILLIARY 2

21 Ingresso TAPE

22 Uscita TAPE RECORD

23 Uscita sinistra LEFT

24 Vaschetta cavo rete - IEC

MUSICAL FIDELITY A3.2 CR DUAL MONO PREAMPLIFIER

POWER

PHONO TUNER

AUX 2

MONITOR

CD AUX 1 TAPE

I.R.R.

1 2 3 4 5 6 7 8 9 10 11 12

A3.2 CR Pre Instructions for Use Page 5of 9

TELECOMANDO

The blue buttons on the remote control enable main functions of the preamplifier to be operated

from a convenient distance. Remaining buttons on this universal handset are for use with other

Musical Fidelity products, and have no effect on the A3.2 CR Pre-amplifier.

Equivalent buttons on the remote handset have the same functions as the those on the front

panel of the unit. Some operations are only available via the handset.

As the remote control uses an invisible infra-red light beam, the transmitter must be pointed

directly towards the receiver window on the front of the pre-amplifier, without visual obstruc-

tion between them.

Pressing the volume-up or -down buttons on the remote handset will advance the motorised

volume control in the required direction.

Pressing the MUTE button mutes audio output from the LINE-OUT sockets, but has no effect

on the TAPE OUT sockets for recording. To show that the line output is muted, the blue LED

in the volume control knob goes out. Press the MUTE button again to cancel mute function,

and the blue knob LED will light again.

If the range of the remote control greatly decreases, replace the batteries with new ones.

Do not mix old and new batteries - two are required, type SUM-4, AAA or LR03.

Issue 1: April 2002

VOLUME (UP)

VOLUME (DOWN)

MUTE button

TUNER input select

PHONOpickup

input select

AUXILLIARY 1

input select

CD input select

TAPE input select

AUXILLIARY 2

input select

A3.2 CR Pre Instructions for Use Page 6of 9

Issue 1: April 2002

CONNECTIONS

All input and output connections should be

made with the mains power switched OFF.

INPUT CONNECTIONS

The A3.2 CR pre-amplifier has one pair of

phono inputs, which can be used either for

moving magnet (MM) or moving coil

(MC) pickups.

The phono input sensitivity requirement

can be changed from MM to MC by press-

ing the push-button switch located on the

rear panel.

Important - Do not operate the MM/MC

switch with the volume control turned up.

Some turntable/pickup arm combinations

are fitted with an extra wire for chassis

earthing. This should be connected to the

earth terminal on the back panel.

The A3.2 CR Pre also has five “line level”

inputs which are electrically identical, and

therefore suitable for use with any source

component having an output of at least

300mV. Input sockets on the rear panel are

marked CD, TUNER, AUXILLIARY 1,

AUXILLIARY 2, and TAPE, to corre-

spond with function buttons on the front

panel.

Connect the left and right outputs from

your CD player, tuner, tape deck or phono/

record deck to the appropriate RCA input

sockets on the back panel.

For the best results we recommend using

either Musical Fidelity X-LINX "no-non-

sense" cables for this connection or the

highly rated Nu-Vista leads with integral

RFI suppression. Various lengths are

available in the Nu-Vista interconnect

range. Please contact your local dealer for

more information.

PRE-AMPLIFIER OUTPUT

Left and right audio outputs are provided

from RCA sockets on the back panel,

which are controlled by the volume adjust-

ment.

TAPE RECORDER CONNECTION

The pre-amplifier has a single tape circuit

with facilities for off-tape monitoring with

suitable 3-head tape decks (see page 7).

Connection of your tape recorder to the

A3.2 CR Pre should be as follows:

The tape deck's left and right line outputs

are routed to the pre-amplifier's TAPE

(input) sockets, and the tape deck's line

inputs are connected to the A3.2 CR's

TAPE RECORD (output) sockets.

BEFORE SWITCHING ON . . . . .

Plug the accessory IEC mains lead into the

rear panel socket, then the other end into a

convenient wall outlet.

Turn the volume control on the front panel

to minimum (anticlockwise).

STARTING . . . .

Press the power button on the A3.2 CR pre-

amplifier. The red power LED on the front

panel will light confirming that the unit is

ready for use. However, for the first five

seconds, sound from your speakers will be

muted, and the blue LED in the volume

control will not be lit. During this initial

period, the seven blue function LEDs will

flash in sequence.

Unless using your pre-amplifier for off-tape

monitoring (see paragraph opposite )

ensure that the TAPE MONITORbutton

has not been pressed accidently, as other-

wise no sound will be heard through the

speakers.

Select the required audio input source by

pressing an appropriate function button on

the front panel or remote control, and adjust

the volume control to obtain the preferred

sound level.

TAPE RECORDING

To record, simply select the required source

with the input selector button on the front

panel. This source will now be routed to

the A3.2 Pre’s TAPE RECORD output

sockets for recording by the external tape

deck.

You will also be able to hear the selected

source through the loudspeakers.

Note - adjustment of the volume control has

no effect on the recording level.

A3.2 CR Pre Instructions for Use Page 7of 9

Issue 1: April 2002

OPERATION

OFF TAPE MONITORING

In conjunction with a 3-head cassette deck,

off-tape monitoring allows the user to com-

pare the recorded sound with the original

whilst a recording is being made. To do

this, first select the required source in the

normal way and start recording. The

TAPE MONITOR button on the front

panel can now be used to switch between

the source sound and its recorded version.

The blue LED just above the tape monitor

button indicates that the tape monitor func-

tion is operating.

Note that the recorded sound is selected

when this LED is lit. On some 3-head tape

decks there is an additional 'tape/source'

switch which must be in the 'tape' position

for the above arrangement to work.

If in doubt, please refer to your tape deck

operating manual.

A3.2 CR Pre Instructions for Use Page 8of 9

Issue 1: April 2002

TROUBLESHOOTING

Basic problem solving with a pre-amplifier is similar to troubleshooting any other electrical or

electronic equipment. Always check the most obvious possible causes first. To give you a few

ideas of what to look for, check the following:

If none of these actions effect a cure, please contact your dealer, or an authorised Musical

Fidelity service agent. Remember, never open the case of the A3.2 CR Pre-amplifier yourself,

as this will invalidate the guarantee.

Problem Possible Cause Remedy

No power when MAINS Mains plug not inserted Plug in securely

POWER switch is operated fully into the rear socket

No sound Tape monitor function has Cancel tape monitor

been selected (see page 7) function by pressing the

MONITOR button again

Mute function is selected Press mute button on the

remote control

Wrong connections between Check audio lead inter-

the A3.2 CR Pre and ampli- connections between the

fier pre-amplifier and amplifier

Remote control unit does POWER switch is set to OFF Press POWER button

not operate Batteries not inserted in remote Insert batteries

control unit

Batteries are flat Replace batteries - do not

mix old and new ones

Range of remote control has Batteries are running out Replace batteries - do not

greatly reduced mix old and new ones

A3.2 CR Pre Instructions for Use Page 9of 9

Issue 1: April 2002

Musical Fidelity reserves the right to make improvements which may result in specification or feature changes without notice.

SPECIFICATIONS

A3.2 CR

DUAL MONO PREAMPLIFIER

Inputs 5 pairs line level,

1 pair phono, moving magnet (MM), or

moving coil (MC) - switchable

Total harmonic distortion < 0.005% 20Hz to 20kHz

Frequency response 10Hz to 100kHz ±1dB (line inputs)

Input sensitivity (for 1Volt RMS output Line level 240mV, 200k ohms

at maximum volume) Phono MM 2.5mV, 47k ohms

MC 400µV, 47k ohms

Signal / noise ratio (ref 1Volt RMS output) Line > 90dB ‘A’-weighted

Phono, MM > 80dB ‘A’-weighted

Phono, MC > 65dB ‘A’-weighted

Power requirements 100 / 115 / 230V AC 50 / 60Hz

(factory preset)

Power consumption 20 Watts

Dimensions 440mm wide

100mm high including feet

390mm deep including volume knob

and rear panel terminals

Weight 12.5 kg unit only, un-boxed

14.5 kg in shipping carton

Standard accessories IEC type mains lead

Remote control handset (universal)

2 x batteries (AAA, MN2400, LR03)

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