NAIM NAP 500 Reference Manual

Also see for NA-P 200 - AMPLIFIER: Owner's manual Manual Manual Reference manual

Contents

NAIM NAP 500 Reference Manual Manual pdf 9 page image

E7NAP 2508. NAP 250 Installation and OperationThe NAP 250 should be installed on a dedicated equipment stand intended for the purpose and should be in its final locationbefore connecting cables or switching on. Switch on the source and preamplifier components, with the volume turned down,before switching on the NAP 250. The NAP 250 power button is located on the front panel.The NAP 250 is heavy and care should be taken when lifting or moving it. Make sure that the surface it is to be placed on cansupport the full weight.8.1 General Connections NotesThe negative input and output connections are all common.The mains earth should always be connected regardless ofwhat other equipment is used. This only grounds the caseand the electrostatic screen within the transformer, and isnot connected to the signal negative. In order to avoid humloops, the signal negative of the whole system should beconnected to the mains earth (ground) in one place.8.2 Protection NotesIf the amplifier’s external case reaches 70°C due toprolonged running at high power, the mains supply will beinterrupted and the illuminated logo will switch off untilthe amplifier has cooled down. This may take up to thirtyminutes.OPERATION OF THE AMPLIFIER’S THERMAL PROTECTIONSUGGESTS PROLONGED USE AT TOO HIGH A VOLUMELEVEL. YOUR LOUDSPEAKERS MAY BE AT RISK IF THIS ISTHE CASE. THE VOLUME SHOULD BE REDUCED.8.3 Loudspeaker Cable and ConnectorsOnly Naim Audio speaker cable should be used to connecta loudspeaker to the output of the NAP 250. Custom NaimAudio loudspeaker connectors are supplied to make theconnection and in order to comply with current Europeansafety regulations these should always be used.DAMAGE TO THE AMPLIFIER MAY RESULT IF “HIGHDEFINITION” CABLE OR ANY OTHER SPECIAL CABLE ISUSED TO CONNECT THE LOUDSPEAKERS.Ensure when connecting speakers that they are “in phase”.That is, the positive and negative connection orientation atboth the speaker and amplifier ends of the cable is the samefor both channels.ch1 left+ +WARNING:DO NOT REPLACE SUPPLIED LOUDSPEAKERPLUGS WITH INDIVIDUAL 4mm PLUGSLoudspeaker Inputch2 rightWARNING:DO NOT REPLACE SUPPLIED LOUDSPEAKERPLUGS WITH INDIVIDUAL 4mm PLUGS- -LoudspeakerFUSE RATING: ANTISURGE100V TO 120V: T6.3AL.200V TO 240V: T3.15AL/250V.AC ONLYFREQUENCY: 50/60HzINPUT POWER: 220VAPower-vech2ch1WARNING:DISCONNECT SUPPLY CORDBEFORE OPENINGATTENTION:DEBRANCHER AVANT D’OUVRIRWARNING:THIS APPARATUS MUSTBE EARTHEDDESIGNED AND MADE IN ENGLAND BY NAIM AUDIO LTD.SOUTHAMPTON ROAD, SALISBURYNAP 250PLEASE READ THE MANUAL BEFORE USECONFORMSTO EN 60065S/No.E2378DRSNE 501ch2-vech1InputCh1 & Ch29. NAP 250 Connections9.1 NAP 250 Rear