Naim NAC 332 Manuale del proprietario

User Guide

PREAMPLIFIER - NAC 332

Contents

Section Page

Introduction 1

1. What’s in the box 1

2. Getting to know your NAC 332 2

3. NAC 332 setup essentials 3

4. NAC 332 detailed setup 6

5. Tips on installing and using your NAC 332 8

6. Mains power, earthing and more 10

7. Further tips and advice 11

8. Support 11

9. Service and updates 11

10. Specications 12

11. Product recycling 12

11

EN

Welcome to your new Naim preamplier. Like all Naim Audio products, the NAC 332

puts musical performance rst. To help realise its full potential, it is important to follow

the simple installation and usage guidelines covered in this manual. We start with some

product and setup essentials, before moving onto more detailed information in Section 5.

Introduction

1. What’s in the box

Please Note: Full safety

warnings can be found in

the Statutory Safety Manual.

1x NAC 332

1x Document pack

1x Remote control 2x Link plugs

1x Cleaning cloth 1x Power-Line Lite

stream

phono

cd

tuner av aux

22

EN

WARNING: Disconnect power before opening

AC ONLY

FUSE RATING: ANTISURGE

1 0-120 V:1 T4AL

2 0-240 V:2 T2AL

FREQUENCY: 0 60Hz5 /

I 70VANPUT POWER:

Power

300 SERIES

PREAMPLIFIER

NAC 332

DESIGNED AND MADE IN THE UK

BY NAIM AUDIO, SALISBURY, SP1 2LN

/ .oNS

Ground

Power Supply Upgrade

Preamp Output s

Analogue Inputs

Ground

Default

R L

RL

RCA

XLR

Refer to User Manual

Type 3

Type 4

Remote

in

Remote

out

Auto

standby

Instant

on

1

2

Control

USB

update

Brightness

Reset/

On

RCA

output

O

3

4

6

Analogue Inputs

R

L

5

8

7

1

2

RL

Contains FCC ID: 2ACURZIGEE IC ID: 12217A-ZIGEE

Refer to User Manual

Standby/

instant on switch

USB upgrade

socket

Signal ground

switch

RCA output

on/off switch

RCA unbalanced

output

Power supply

upgrade sockets

Standby button

XLR inputs

Remote in

(3.5mm jack electrical and

Mini-TOSLINK optical)

RCA inputs DIN inputs

DIN input for

NVC TT phono stage

XLR balanced

output

Headphone 6.35mm

jack output

Mute button

Volume control

Input selection

buttons

2. Getting to know your NAC 332

Remote out

(3.5mm jack electrical and

Mini-TOSLINK optical)

Mains input

& fuse

Backlit, dimmable

logo

33

EN

3. NAC 332 setup essentials

Your NAC 332 needs to be connected to one or more sources and to a power amplier

(such as the matching NSS 333 streamer and a pair of NAP 350 Power Ampliers), but

before you do, please ensure all components are in their nal positions and disconnected

from mains power.

For optimum performance, use a dedicated hi- support – ideally Naim Fraim – with the

preamplier sited above the power ampliers, as shown.

You will also need speakers with cables.

44

EN

3.1 Connecting your NAC 332 to the NAP 350 power ampliers

Connect two XLR cables (supplied with the NAP 350) from the XLR outputs of the

NAC 332 to the XLR inputs of each NAP 350. Ensure the cables are channel-matched: the

pre-amplier left output is connected to the power amplier driving the left speaker and

the same for the right. Please ensure that the XLR plugs are inserted correctly, which is

achieved with the Naim logo on the plug facing upwards.

Connect the system automation cables (supplied with the NAP 350) between the

NAC 332 Remote Out terminals and the Remote In terminals on the NAP 350.

3.2 Connect your source components

Connect your source components to the NAC 332 inputs as required. The front panel

buttons may be assigned to select any input, see section 4.2

The factory default assignments are:

Tuner Input 3 RCA

Stream Input 7 5 pin DIN

AV Input 4 RCA

Phono Input 6 8 pin DIN

AUX Input 1 XLR

CD Input 8 5 pin DIN

3.3 Powering up

Once you have connected your sources and the NAC 332 to the power ampliers, there

are just a few more simple steps to take before you can power up your NAC 332 and start

playing music.

Connect the two supplied link plugs to the NAC 332 power supply upgrade sockets.

WARNING:

Disconnect power before opening

AC ONLY

FUSE RATING: ANTISURGE

1 0-120 V:1 T4AL

2 0-240 V:2 T2AL

FREQUENCY: 0 60Hz5 /

I 70VANPUT POWER:

Power

300 SERIES

PREAMPLIFIER

NAC 332

DESIGNED AND MADE IN THE UK

BY NAIM AUDIO, SALISBURY, SP1 2LN

/ .oNS

Ground

Power Supply Upgrade

Preamp Output s

Analogue Inputs

Ground

Default

R L

RL

RCA

XLR

Refer to User Manual

Type 3

Type 4

Remote

in

Remote

out

Auto

standby

Instant

on

1

2

Control

USB

update

Brightness

Reset/

On

RCA

output

O

3

4

6

Analogue Inputs

R

L

5

8

7

1

2

RL

Contains FCC ID: 2ACURZIGEE IC ID: 12217A-ZIGEE

Refer to User Manual

55

EN

Connect the power cable to the NAC 332’s power socket and then to mains power.

Switch on your NAC 332 by pressing the standby button on the top right side of the front

panel.

3.4 Pairing the remote control

Once your NAC 332 is switched on, you will need to pair the remote control.

Insert the provided batteries into the remote control handset.

Pressing any of the front panel input buttons (except standby) will enable remote pairing

mode for 30 seconds.

WARNING: Disconnect power before opening

AC ONLY

FUSE RATING: ANTISURGE

1 0-120 V:1 T4AL

2 0-240 V:2 T2AL

FREQUENCY: 0 60Hz5 /

I 70VANPUT POWER:

Power

300 SERIES

PREAMPLIFIER

NAC 332

DESIGNED AND MADE IN THE UK

BY NAIM AUDIO, SALISBURY, SP1 2LN

/ .oNS

Ground

Power Supply Upgrade

Preamp Output s

Analogue Inputs

Ground

Default

R L

RL

RCA

XLR

Refer to User Manual

Type 3

Type 4

Remote

in

Remote

out

Auto

standby

Instant

on

1

2

Control

USB

update

Brightness

Reset/

On

RCA

output

O

3

4

6

Analogue Inputs

R

L

5

8

7

1

2

RL

Contains FCC ID: 2ACURZIGEE IC ID: 12217A-ZIGEE

Refer to User Manual

Press and hold the brightness button on the remote control handset for 3 seconds.

66

EN

The volume ring on the remote will chase when in pairing mode and then stop at the

current volume setting when paired.

The remote is now paired to the unit and ready to use.

stream

phono

cd

tuner av aux

4. NAC 332 detailed setup

4.1 Using Naim power ampilers without balanced inputs

If an older Naim power amplier is being used a set of appropriately wired cables will be

required.

If the RCA unbalanced outputs are to be used (for example to connect a sub woofer) the

rear panel “RCA output” switch should be set to the “On” position.

4.2 Input re-assignment

Any combination of six of the eight physical inputs can be directly selected from the front

panel or remote control buttons. A setup mode is used to change the assignment of the

physical inputs to the buttons.

To enter setup mode press the front panel button of the rst input to be adjusted until the

button starts to ash.

The volume knob leds show segments indicating the possible input assignment, with the

currently selected input shown by brighter LEDs.

While in setup mode the selected source shown by the volume knob LEDs will be heard

playing.

Turning the volume knob changes the input assigned to the ashing input.

While in setup mode press any other source button to adjust the assignment for that input.

To exit setup mode press the ashing input button until it stops ashing.

The mute button continues to work as normal while in setup mode.

4.3 Input trim adjustment

The relative level of each input can be adjusted over a range of -10dB to +10dB to equalise

the volume level between sources.

This is adjusted while in setup mode, so rst press the input button to be adjusted until the

button ashes.

A second press of the button will change to trim setting mode. The LEDs on the volume

control will indicate the current trim setting.

77

EN

Turning the volume knob will change the trim setting; the source being adjusted will be

playing so you can decide on the level required.

When satised with the setting, a press of the button will return to the input mapping

display, or a long press will exit setup mode.

4.4 AV xed gain (unity gain)

This mode is only applicable to the AV input. The input trim, headroom and balance

settings will be ignored while AV xed gain mode is active.

Volume control changes cannot be made using the remote or the volume dial of the NAC

332 when in this mode. The output signal will be at the same volume as the input signal.

Fixed gain is set while in setup mode, so rst press and hold the front panel AV input

button until the button ashes.

A second press of the button will change to trim setting mode. The LEDs on the volume

control will indicate the current trim setting.

Then, using the volume control turn the dial to maximum (far right) until a solid LED block

is present.

To exit setup mode press the AV input button until it stops ashing.

4.5 Maximum volume function

This mode allows the user to set the overall maximum volume level to prevent accidental

selection of high-volume levels.

This is adjusted while in maximum volume setup mode, so rst press and hold the front

panel mute button. The mute button will ash and the volume dial LED will change when

activated.

Then, turn the volume control dial either left or right to edit the Maximum Volume value.

To set the maximum volume for headphones, insert the headphone jack, the volume

dial will change to show the headphone maximum allowed volume, then use the volume

control to select the desired maximum volume.

Removing the headphone jack will revert the volume dial to showing the main maximum

volume.

When satised with the setting, exit setup mode by pressing the mute button until it stops

ashing.

88

EN

4.6 Extra DIN input functions

Input 6 (8 pin DIN) is compatible with 5 pin DIN leads and can also directly power a Naim

NVC TT phono stage.

Input 8 (5 pin DIN) has line level outputs mirroring the currently selected source. Note that

when this input is selected the source connected will be mirrored, so beware of feedback

loops if using a recording source.

4.7 Using headphones

The headphone output is capable of driving most headphones to very high volume levels.

While the headphone’s plug is inserted the preamp’s main outputs will be muted.

The headphone output has a separate volume setting. When headphones are inserted the

volume will be set to the level last used with headphones. When they are removed the

volume will be set back to the level last used with speakers.

5. Tips on installing and using your NAC 332

We know you are eager to enjoy your new NAC 332, but we promise it will sound even

better once you have followed these guidelines, all designed to help you experience your

preamplier without compromise.

5.1 Unboxing and positioning

Your NAC 332 uses high-quality components, including a substantial power transformer

and durable aluminium casing. That means the NAC 332 weighs in at 11kg, so please take

care when lifting or moving it, and ensure the surface you plan to place it on is stable and

can support its weight.

For optimum performance, use your Naim products on a dedicated hi- equipment rack

– ideally the Naim Fraim or Fraim Lite – to minimise vibrations that can aect sound. No

room for a rack? Consider placing your NAC 332 on a Fraim glass shelf on a suitable piece

of furniture, to provide solid but discreet support.

Never stack Naim products on top of each other, and if you are placing them side-by- side,

please leave some distance between the units.

To reduce the risk of audible hum from the loudspeakers do not place power supplies or

power ampliers close to source or preamplier components.

5.2 Input connection details

The NAC 332 features several source connection options. For the best sound quality, we

recommend you use the DIN inputs.

+18V 300mA

-18V 300mA

Ground

Type 1: 8 pin DIN

99

EN

5.3 System automation

When using the NAC 332 with a compatible streamer and power amplier – such as the

NSS 333 and NAP 350 – you can synchronise power on/o and logo brightness across your

system by connecting the NAC 332 with the optical system automation cables supplied

with the NAP 350.

The NSS 333 and NAC 332 use the Zigbee system to synchronise their functions. Press

any button (except standby) on the front panel of the NSS 333 and NAC 332 to pair them

together.

Use the ‘Remote Out’ terminals on the NAC 332 to link the ‘Remote in’ terminals on the

NAP 350. It is possible to link further power ampliers using the ‘Remote out’ terminals of

the NAP 350.

If you require a longer distance between your NAC 332 and the NAP 350 than the supplied

cable allows for, you can use a replacement 3.5mm to 3.5mm optical cable to the required

length. It is also possible to use standard analogue cables with 3.5mm connectors, but an

optical cable oers the best performance.

5.4 Powering up/down

Once all your input and output connections are made, connect the supplied mains lead to

your NAC 332 and to mains power.

You can now power up the NAC 332 by pressing the standby button.

If the NSS 333, NAC 332 and a pair of NAP 350 units is connected via System Automation

they will switch on in sequence.

It is the same procedure to switch o your NAC 332: turn o your NSS 333, NAC 332 and

NAP 350 connected via System Automation, by simply pressing the standby button on the

front panel of the NSS 333 or NAC 332, which will put your complete system into standby.

Avoid using a mains outlet switch to turn your ampliers o.

5.5 Standby power settings

The NAC 332 has three power levels: standby, standby with instant on and powered for

normal use.

‘Standby’ mode has an overall power consumption of less than 0.5W. The NAC 332 can be

woken up by pressing the standby button or from the remote control.

‘Standby with instant on’ leaves the NAC 332 fully powered, but with the logo turned o.

‘Powered for normal use’ In this mode the NAC 332 uses about 20W.

By default, the NAC 332 rear panel switch is set to ‘auto standby’ - it automatically enters

standby mode after a period not exceeding 20 minutes of inactivity. For the optimum

sound quality set the switch to the “instant on” position. This will keep the NAC 332

permanently powered up. With the switch in this position, if the standby button is pressed,

the NAC 332 will remain powered up, but the logo will turn o.

5.6 Naim logo brightness settings

You can choose the brightness level of the LED indicators and Naim logo on your NAC 332

using the brightness buttons on the rear panel and the remote control. If you are using

Naim NAC 332 and NAP 350 ampliers connected via System Automation the brightness

of all logos will be synchronised.

1010

EN

5.7 Using the NPX 300 power supply

The NPX 300 power supply is an optional system upgrade. If adding the NPX 300 power

supply to the NAC 332, rst turn the whole system o. Remove the mains cable from the

NAC 332 – it is not required when the unit is powered by the NPX 300.

Add the NPX 300 to the equipment stand and remove the two link plugs from the NAC 332

rear panel.

Connect the un-banded end of the two Burndy cables to the NPX 300. Connect the two

banded ends to the NAC 332. Ensure all the locking rings are tightened fully. Try to “dress”

the cables so they hang as loosely as possible and without touching the stands or the wall

– this will be easier if they are formed to roughly the required shape before connecting

either end.

Connect the power lead to the NPX 300’s power socket and then to mains power. Turn the

rest of the system back on.

Turn the NAC 332 back on by pressing the standby button.

6. Mains power, earthing and more

Use only the mains leads and plugs supplied with your NAC 332, or the upgrade Naim

Power-Line mains cable. Where fused plugs are used, 13-Amp fuses should be tted. Do

not wire voltage dependent resistors or noise suppressors into mains plugs; they degrade

the mains supply and the sound.

6.1 Earthing

In order to avoid hum loops, the signal ground of the whole system should be connected

to the mains earth in one place. Typically, this is at the primary source. The NAC 332

preamplifer has a ground lift switch. Set this to “Default” if the primary source connects

mains earth to signal ground. If no source connects mains earth to signal ground set it to

the “Ground” position.

6.2 Non-rewirable mains plugs

If a non-rewirable plug is cut from a mains lead (for whatever purpose) the plug MUST be

disposed of in a way to render it totally useless. Considerable shock hazard exists if the

cut-o plug is inserted into a mains outlet.

6.3 Mains circuits and interference

A hi- system usually shares a mains power circuit with other household equipment,

some of which can cause distortion that may manifest as mechanical hum from mains

transformers, including the large transformer in your NAC 332.

Transformer hum is not transmitted through the speakers and has no eect on the

performance of the system; however, careful positioning of your Naim system may

reduce it, as may a separate, dedicated mains circuit. Such a circuit (ideally with a 30 or

45-Amp rating) will also generally improve system performance. Only seek advice on the

installation of a separate mains circuit from a qualied electrician.

6.4 Lightning precautions

Your Naim system should be turned o and fully disconnected from mains power when

there is a risk of a lightning strike, to protect from potential damage.

1111

EN

7. Further tips and advice

Now you have all the essentials sorted, let us move onto a few more things that you can do

to optimise the performance of your new NAC 332.

7.1 Running in

Naim products are hand-crafted from a carefully selected range of high-quality

components. Your NAC 332 will sound superb out of the box, but its performance may

improve further still as all these various components power up and interact in their rst

few weeks of use. Keeping your system powered up will assist this process.

7.2 Cleaning your product and connections

Naim recommends using only the supplied cleaning cloth to lightly dust any product

surfaces. Cleaning products may contain ingredients that can adversely aect cosmetic

surface treatments and coatings.

Keep interconnect plugs and sockets clean and free from corrosion. The easiest way to

achieve this is to fully power o your Naim product (and any connected equipment),

unplug all connections from their sockets and rmly push them in again. Contact cleaners

and so-called ‘enhancers’ should not be used, as they can leave deposits that can degrade

the sound of your system.

7.3 Resetting your NAC 332

To reset your NAC 332 to the factory default settings press and hold the “Brightness/

Reset” button on the rear panel for at least 3 seconds. The NAC 332 with return to a

standby state and all settings will be returned to the factory defaults. Note that this will

include unpairing the remote control and Zigbee System Automation device.

8. Support

Consumer protection varies from country to country. In most territories, the retailer you

bought your Naim product from should be your primary contact if you are experiencing

problems with your unit. A problem may be due to a fault in the system or its installation,

so it is essential to make full use of your dealer’s diagnostic skills.

You can nd a range of support articles for each Naim product online at Naimaudio.com

If you are still experiencing an issue with your Naim product, contact us directly for help

and advice, at support@naimaudio.com

9. Service and updates

Any repairs or hardware updates should only be made by an authorised Naim service

centre or at the Naim HQ itself. Many components are custom made, tested or matched

and appropriate replacements are often unobtainable from other sources. Please contact

your local Naim retailer with any service or repair queries.

1212

EN

300 Series Preamplifier - NAC 332

Audio inputs:

3 x DIN

2 x XLR pair

3 x RCA pair

Audio outputs:

1 x XLR pair

1 x RCA pair

1 × 6.35mm headphone jack

1 x Line level output on Input 8 (5 pin DIN)

Update: Micro USB

Remote In: 1 × 3.5mm jack – electrical and Mini-TOSLINK optical

Remote Out: 2 × 3.5mm jack – electrical and Mini-TOSLINK optical

Power consumption: Typical use: 20W

Standby: <0.5W

Dimensions (H x W x D): 91.5 × 432 × 317.5 mm (including feet)

Weight: 11kg

Mains supply: 115V or 230V, 50/60Hz

10. Specications

11. Product recycling

Products that display the crossed-out wheeled bin logo cannot be disposed of

as domestic waste. These products must be disposed of at facilities capable of

recycling them and appropriately handling any waste by-products.

Contact your local authority for details of the nearest such facility.

Appropriate recycling and waste disposal helps conserve resources and protects the

environment from contamination.

Section Page

Introduction

1. Liste des éléments fournis

2. Découverte du NAC 332

3. Informations de base sur l’installation du NAC332

4. Conguration détaillée du NAC 332

5. Conseils pour l’installation et l’utilisation de

votre NAC 332

6. Alimentation secteur, mise à la terre et plus

7. Autres astuces et conseils

8. Support

9. Réparation et mises à jour

10. Spécications techniques

11. Consignes de recyclage du produit

Table des matières

1

2

3

6

8

10

11

12

11

FR

Bienvenue et félicitations pour l’achat de votre nouveau préamplicateur Naim. Comme

tous les produits Naim Audio, le NAC 332 donne la priorité absolue à la performance

musicale. Pour l’aider à déployer tout son potentiel, il est important de suivre les consignes

simples pour l’installation et l’utilisation qui sont fournies dans ce manuel. Nous allons

commencer par quelques informations de base concernant le produit et la mise en place,

avant de passer à des informations plus détaillées à la section 5.

Introduction

1. Liste des éléments fournis

À noter : tous les avertissements

de sécurité se trouvent dans le

manuel de sécurité

1x NAC 332

1x Documentation

1x Télécommande 2x Fiches cavalier

1x Chion nettoyant 1x Power-Line Lite

stream

phono

cd

tuner av aux

22

FR

WARNING: Disconnect power before opening

AC ONLY

FUSE RATING: ANTISURGE

1 0-120 V:1 T4AL

2 0-240 V:2 T2AL

FREQUENCY: 0 60Hz5 /

I 70VANPUT POWER:

Power

300 SERIES

PREAMPLIFIER

NAC 332

DESIGNED AND MADE IN THE UK

BY NAIM AUDIO, SALISBURY, SP1 2LN

/ .oNS

Ground

Power Supply Upgrade

Preamp Output s

Analogue Inputs

Ground

Default

R L

RL

RCA

XLR

Refer to User Manual

Type 3

Type 4

Remote

in

Remote

out

Auto

standby

Instant

on

1

2

Control

USB

update

Brightness

Reset/

On

RCA

output

O

3

4

6

Analogue Inputs

R

L

5

8

7

1

2

RL

Contains FCC ID: 2ACURZIGEE IC ID: 12217A-ZIGEE

Refer to User Manual

Interrupteur Standby

(mise en veille) / Instant

on (démarrage immédiat)

Entrée de mise à

niveau USB

Interrupteur

masse signal

Interrupteur On/

Off (marche/

arrêt) RCA

Sortie non

symétrique RCA

Entrées de

mise à niveau

d’alimentation

Bouton de veille

Entrées XLR

Entrée à distance (port jack

3,5 mm en électrique et

Mini-TOSLINK en optique)

Entrées RCA Entrées DIN

Entrée DIN pour étage

phono NVC TT

Sortie XLR

symétrique

Sortie casque jack

6,35 mm

Bouton Mute

(muet)

Contrôle du

volume

Boutons de

sélection des

entrées

2. Découverte du NAC 332

Sortie à distance (port jack

3,5 mm en électrique et

Mini-TOSLINK en optique)

Entrée secteur

et fusible

Logo à variation

d’intensité,

rétroéclairé

33

FR

3. Informations de base sur l’installation du NAC332

Votre NAC 332 doit être raccordé à une ou plusieurs sources et à un amplicateur de

puissance (comme le NSS 333 et les NAP 350 correspondants) mais, avant de le faire, vous

devez vous assurer que tous les composants se trouvent à leur emplacement dénitif et

sont débranchés du secteur.

Pour des performances optimales, utilisez un support hi- dédié (idéalement Naim Fraim)

et placez le préamplicateur au-dessus des amplicateurs de puissance, comme illustré.

Vous aurez également besoin d’enceintes avec des câbles.

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Naim NAC 332 Manuale del proprietario

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