Naim POWER SUPPLIES owners manual

o w n e r s m a n u a L

P O W E R	S U P P L I E S
E N G L I S H D E U T S C H	F R A N Ç A I S I T A L I A N 0

SAFETY INSTRUCTIONS

In order to comply with current European safety regulations it is essential that the Naim loudspeaker connectors supplied with amplifiers and loudspeakers are used.

Do not under any circumstances allow anyone to modify your Naim equipment without first checking with the factory, your retailer, or your distributor. Unauthorised modifications will invalidate your guarantee.

Equipment must not be exposed to dripping or splashing and no objects filled with liquid, such as vases, should be placed on the equipment.

For your own safety do not under any circumstances open Naim equipment without first disconnecting it from the mains.

Warning: an apparatus with CLASS I construction shall be connected to a mains socket outlet with a protective earthing connection.

Where the mains plug or an appliance coupler is used as the disconnect device, the disconnect device shall remain readily operable. To disconnect the equipment from the mains remove the mains plug from the mains outlet.

The following label is attached to all mains powered equipment:

w a r n i n g

This apparatus must be earthed

note

This equipment has been tested and found to comply with the relevant EMC and Safety Standards, and, where

applicable, also complies with the limits for a class B digital device, pursuant to Part 15 of the FCC Rules.

These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates, uses and can radiate radio frequency and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning off and on, the user is encouraged to try to correct the interference by one or more of the following measures:

•Reorient or relocate the receiving antenna.

•Increase the separation between the equipment and the receiver.

•Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.

•Consult your Naim retailer or an experienced radio/TV technician for help.

Contents

Page	Section
E1	1	Connections
E1	2	Mains Power
E2	3	General Installation
E3	4	CD555PS, Supercap and XPS
E4	5	Hi-Cap, FlatCap XS, NAPSA and NAPSC
E5	6	Power Supply Specifications
E5	7	Declarations of Conformity

Introduction

Naim Audio products are conceived with performance as the top priority. Careful installation will help ensure that their full potential is achieved. This manual covers all power supplies. It begins with some general installation notes and statutory safety warnings. Product specific information begins in Section 4.

1 Connections

It is important for both safety and performance that the standard cables supplied are not modified.

1.1 Interconnect Cables

If options are available with your equipment and installation, DIN interconnect sockets should be used in preference to RCA Phono sockets. One end of each Naim interconnect cable is marked with a band to establish

its correct orientation. The band denotes the end that connects to the signal source.

Interconnect plugs and sockets should be kept clean and free from corrosion. The easiest way to clean them is to switch off the equipment, pull the plugs out of their sockets, and push them back in again. Contact cleaners and “enhancers” should not be used as the film they deposit may degrade the sound.

1.2 Loudspeaker Cables

Loudspeaker cables are vitally important. They should each be at least 3.5 metres long and of equal length. The recommended maximum is normally 20 metres although longer cables may be viable with some Naim amplifiers.

Some Naim amplifiers are designed only to work with Naim loudspeaker cable and using alternatives may degrade the performance or even damage the amplifier. Other Naim amplifiers can be used with any high quality loudspeaker cable although we recommend that Naim loudspeaker cable is used. Naim loudspeaker cable is directional and should be oriented so that the printed arrow points towards the speakers. The Naim loudspeaker connectors supplied are designed to comply with European safety legislation and must be used.

Contact your local retailer or distributor for further advice on loudspeaker cables and connectors.

2 Mains Power

Where fused plugs are used 13 amp fuses should be fitted. Fuses of a lower rating will fail after a period of use. Do not wire voltage dependent resistors or noise suppressors into mains plugs. They degrade the mains supply and the sound.

2.1 Mains Plug Wiring

In some territories a mains plug may need to be fitted to the supplied mains lead. As the colours of the wires in

the mains lead may not correspond with the coloured markings identifying the terminals in the plug proceed as follows:

The wire coloured GREEN-AND-YELLOW must be connected to the terminal in the plug marked by the letter E or by the safety earth symbol or coloured GREEN or

GREEN and YELLOW.

The wire coloured BLUE must be connected to the terminal in the plug marked with the letter N or coloured BLACK.

The wire coloured BROWN must be connected to the terminal in the plug marked with the letter L or coloured

RED.

2.2 Equipment Fuses

Mains powered Naim Audio equipment is fitted with a mains fuse on the rear panel adjacent to the mains input socket. Replace it if necessary only with the spare fuse supplied or with an identical fuse. Repeated failure of the fuse points to a fault that should be investigated by your retailer or Naim itself.

2.3 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-off plug is inserted into a mains outlet.

2.4 Mains Circuits and Cables

A hi-fi system usually shares a mains circuit with other household equipment some of which can cause distortion of the mains waveform. This distortion can in turn lead to mechanical hum from mains transformers. Some Naim transformers are large in size, making them relatively sensitive to such distortion, and it may be necessary

to take account of transformer hum when siting your equipment.

Transformer hum is not transmitted through the speakers and has no effect on the performance of the system; however, a separate mains circuit may reduce it. Such a circuit (ideally with a 30 or 45 Amp rating) will also generally improve system performance. Advice on the installation of a separate mains circuit should be sought from a qualified electrician.

Do not substitute alternative mains leads and plugs to those supplied. They are selected to offer the best possible performance.

E1

Introduction

3 General Installation

Naim equipment is designed to offer the finest performance possible avoiding compromise wherever practical. This can lead to circumstances that may be unfamiliar. The notes that follow contain advice specifically related to Naim equipment

as well as more general warnings about the use of domestic audio products. Please read them carefully.

3.1 Siting The Equipment

In order to reduce the risk of hum audible from the loudspeakers, power supplies and power amplifiers should be located a reasonable distance away from other equipment. The maximum separation distance for connected equipment is that allowed by the standard interconnect lead.

Some Naim equipment is extremely heavy. Check the weight of the equipment prior to lifting and if necessary use more than one person so that it can be moved safely. Ensure that your equipment rack or table can easily support the weight and is stable.

Some speakers and stands are intended to be used with floor spikes fitted. Care should be taken when siting and moving them to avoid personal injury or damage to cables and surfaces. Floor protectors are available from your local dealer or distributor to protect non carpeted floors.

3.2 Switching On

Source components and power supplies should be switched on before the power amplifiers. Always switch amplifiers off and wait a minute before connecting or disconnecting any leads. Always use the power switch on the product rather than a mains outlet switch.

A “thump” may be heard from the loudspeakers as power amplifiers are switched on. This is normal, will not cause any loudspeaker damage and does not point to any fault or problem. A mild “pop” may also be heard shortly after equipment is switched off.

3.3 Running In

Naim equipment takes a considerable time to run in before it performs at its best. The duration varies, but under some conditions the sound may continue to improve for over a month. Better and more consistent performance will be achieved if the system is left switched on for long periods. It is worth remembering however that equipment left connected to the mains can be damaged by lightning.

3.4 Radio Interference

In some circumstances, depending on where you live and the earthing arrangements in your home, you may experience radio frequency interference. Controls on broadcasting in some territories allow very high levels of radio frequency radiation and both the choice and exact siting of equipment may be critical. Susceptibility to radio frequency interference is related to the wide internal bandwidth necessary for high sound quality. A radio frequency filter kit is available for some Naim equipment but sound quality will be progressively compromised as more elements of the kit are fitted. In situations of extreme radio interference Naim equipment may be unsuitable.

3.5 Lightning Precautions

Your Naim hi-fi system can be damaged by lightning and should be turned off and disconnected from the mains when there is risk of a lightning strike. For complete

protection all mains plugs and any aerial cables should be disconnected when not in use.

3.6 Problems?

Consumer protection varies from country to country. In most territories a retailer must be prepared to take back any equipment he has sold if it cannot be made to work satisfactorily. 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. Please contact your local distributor, or Naim Audio directly, if any difficulties cannot be resolved.

Some Naim equipment is made in special versions for different territories and this makes it impracticable to arrange international guarantees. Please establish the local guarantee arrangements with your retailer. Contact Naim Audio directly for help and advice if necessary.

3.7 Service and Updates

It is essential that repairs and updates are only carried out by an authorised Naim retailer or at the factory by Naim itself. Many components are custom made, tested or matched and appropriate replacements are often unobtainable from other sources.

Direct contact to Naim for service or update information should be made initially through Customer Services:

Tel: [phone]

Email: [e-mail]

Please quote the product serial number (found on its rear panel) in all correspondence.

E2

CD555PS, Supercap and XPS Power Supplies

4 Power Supply Installation

Power supplies should be installed on an equipment rack intended for the purpose in their final location before connecting cables or switching on. Ensure that power amplifiers are switched off and the preamplifier volume is turned down before power supplies are switched on. The power buttons are located on the front panel. Connection diagrams will be found in the appropriate preamplifier or CD player owners manual.

Some power supplies are heavy and care should be taken when lifting or moving them. Make sure that the surface on which they are to be placed can support their weight.

4.1 CD555PS Rear

mains input and fuse

4.2 Supercap Rear

Note: The CD555PS can be used to power the CD555, CDS3 and CDX2 CD players. In the case of the CDS3 and CDX2 only Output 1 is used,

NAC 252 only

	socket		socket	socket	NAC 252,
	2		3	5
mains input			socket	socket	SuperLine
					or SNAXO
and fuse			1	4
					only
	Socket 1		Socket 2	Socket 3, 4 & 5
	+ve		+ve		ch1
+ve	ch1	+ve	nc
				ch2	nc
ch2		nc
	-ve		-ve		-ve

4.3 XPS Rear

	Note: The XPS can be used to power the CDS3 and CDX2
mains input and fuse	CD players. It can not be used to power the CD555.	multiple power output

E3

Hi-Cap, FlatCap XS, NAPSA, and NAPSC Power Supplies

5 Power Supply Installation

Power supplies should be installed on an equipment rack intended for the purpose in their final location before connecting cables or switching on. Ensure that power amplifiers are switched off and the preamplifier volume is turned down before power supplies are switched on. Connection diagrams will be found in the appropriate preamplifier, tuner or CD player owners manual.

Many power supplies are heavy and care should be taken when lifting or moving them.

Make sure that the surface on which they are to be placed can support their weight.

5.1 Hi-Cap Rear

Socket 1, 2 & 3			Socket 4
	ch1		+ve
		+ve	ch1
ch2	nc
		ch2
	-ve		-ve

mains input	socket 1	socket 4
and fuse	socket 2	socket 3

5.2 FlatCap XS Rear

			signal	signal
		power	out A	out C
power	mains input		signal		power	signal
switch	and fuse	out A	out B		out B	out D
			Power Out			Signal Out
			A & B			A, B, C & D
			+ve	+ve	ch2	ch1
			ch2	ch1	-ve	nc
			-ve
5.3 NAPSA Rear		5.4 NAPSC Rear

mains input and fuse	power output			mains input and fuse	outputleadtopreamplifier
					or Headline

E4

Power Supplies

6 Power Supply Specifications

Product	CD555PS	Supercap	XPS	Hi-Cap	FlatCap XS	NAPSA	NAPSC
Outputs:	±22V	13 x 24V	±22V	2 x 24V	4 x 24V	116Vac	18.5V
	±10V	2 x 12V	±10V
	2 x 15V, 12V		2 x 15V
Dimensions:	87 x 432 x 314	87 x 432 x 314	87 x 432 x 314	87 x 207 x 314	70 x 432 x 304	87 x 207 x 314	57 x 121 x 187
(H x W x D, mm)
Weight:	15.7kg	11.6kg	12.4kg	7.35kg	5.4kg	6.75kg	2.1kg
Mains Supply:			100-120V or 220-240V, 50/60Hz

7 Declaration of conformity to appropriate standards

Manufacturer	Naim Audio Limited, Southampton Road, Salisbury, England, SP1 2LN
Products	CD555PS, Supercap, XPS, Hi-Cap, FlatCap XS, NAPSA, NAPSC
Safety	EN 60065
EMC	EN55013 - Sound and television broadcast receivers and associated equipment.
	EN55020 - Electromagnetic immunity of broadcast receivers and associated equipment.
	EN61000-3-2	- Limits for harmonic current emissions.
	EN61000-4-2	- Testing and measurement. Electrostatic discharge immunity.

E5

B E D I E N U N G S A N L E I T U N G

N E T Z T E I L E

E N G L I S H D E U T S C H F R A N Ç A I S I T A L I A N 0

SICHERHEITSHINWEISE

Für die Einhaltung der europäischen Sicherheitsnormen ist es unabdingbar, dass die mit Verstärkern und Lautsprechern gelieferten Naim-Stecker verwendet werden.

Lassen Sie unter keinen Umständen zu, dass Ihre Naim-Produkte ohne Rücksprache mit Naim Audio, der zuständigen Vertriebsgesellschaft oder Ihrem

Händler modifiziert werden. Ihre Garantie erlischt, wenn unauthorisierte Modifikationen an den Produkten vorgenommen werden.

Sorgen Sie dafür, dass keine Flüssigkeiten auf elektrische Geräte tropfen oder spritzen können und keine mit Flüssigkeit gefüllten Behälter wie etwa Blumenvasen auf den Geräten stehen.

Zu Ihrer eigenen Sicherheit sollten Sie Naim-Produkte niemals öffnen, ohne sie zuerst vom Netz zu trennen.

Achtung: Geräte der Schutzklasse I dürfen nur an einer Netzsteckdose mit geerdetem Schutzleiter angeschlossen werden.

Wenn der Netzoder ein Gerätestecker als Trennvorrichtung verwendet wird, muss der Stecker stets leicht erreichbar sein. Ziehen Sie den Netzstecker aus der Steckdose, um das Gerät sicher vom Netz zu trennen.

Alle netzbetriebenen Geräte tragen folgende Aufschrift:

A c h t u n g

Dieses Gerät muss geerdet werden.

Hinweis:

Dieses Gerät wurde getestet und entspricht den entsprechenden EMVund Sicherheitsnormen sowie, sofern anwendbar, den Grenzwerten für ein digitales Gerät der Klasse B gemäß Teil 15 der FCC-Regeln.

Diese Grenzwerte sind dafür vorgesehen, angemessenen Schutz gegen schädliche Interferenzen in einem Wohngebiet zu bieten. Dieses Gerät erzeugt, nutzt und strahlt Energie

in Form von Funkfrequenzen ab und kann, wenn es nicht in Übereinstimmung mit der Anleitung installiert wird, zu

störenden Interferenzen in der Funkkommunikation führen. Es gibt jedoch keinerlei Garantie, dass es bei einer bestimmten

Installation nicht zu Interferenzen kommen wird. Verursacht dieses Gerät störende Interferenzen für den Radiooder Fernsehempfang, die durch das Ausund Wiedereinschalten erkannt werden können, empfehlen wir dem Anwender, eine bzw. mehrere der folgenden Maßnahmen zu ergreifen, um die Interferenz zu korrigieren:

•Richten Sie die Empfangsantenne neu aus oder versetzen

Sie diese.

•Vergrößern Sie den Abstand zwischen dem Gerät und dem Empfänger.

•Schließen Sie das Gerät an einen Ausgang eines anderen

Stromkreises, an den der Empfänger nicht angeschlossen ist.

•Bitten Sie Ihren Naim-Händler oder einen erfahrenen Radio/TV-Techniker um Hilfe.

Inhalt

Seite	Abschnitt
D1	1	Anschlüsse
D1	2	Netzanschluss
D2	3	Allgemeine Installation
D3	4	CD555PS, Supercap und XPS
D4	5	Hi-Cap, FlatCap XS, NAPSA und NAPSC
D5	6	Netzteilspezifikationen
D5	7	Konformitätserklärung