NAIM PREAMPLIFIERS Manual

Preamplifiers, integrated amplifiers, power amplifiers

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

P r e a m P L I F I e r s

I n T e G r a T e D a m P L I F I e r s , P o w e r a m P L I F I e r 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

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Page 1 o w n e r s m a n u a L P r e a m P L I F I e r s I n T e G r a T e D a m P L I F I e r s , P o w e r a m P L I F I e r s e n G L I s H D e u T s C H F r a n Ç...
Page 2: Safety Instructions
552 Controls and Connections Do not under any circumstances allow anyone to modify naC 552 specification your naim equipment without first checking with the factory, your retailer, or your distributor. unauthorised modifications naC 252 Introduction and Installation will invalidate your guarantee.
Page 3: Mains Power
I ntrodu ction 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 preamplifiers, integrated amplifiers and power amplifiers. It begins with some general installation notes and statutory safety warnings.
Page 4 It is essential that repairs and updates are only carried amplifiers are switched on. This is normal, will not cause out by an authorised Naim retailer or at the factory by any loudspeaker damage and does not point to any fault Naim itself.
Page 5 These transit screws common to all must not be used in any other naim product. Do not invert the naC 552 once the transit preamplifiers and screws are removed.
Page 6 N AC 552 P rea mpli f i er To exit from program mode press and hold the prog key on the handset until the record select indicators are restored and the volume indicator stops flashing. Table 4.3 illustrates the NAC 552 default input assignment. 4.
Page 7 (all inputs all audio frequencies). main output Level: 0.775V, <50Ω Tape output Level: 75mV, 600Ω auxiliary Power outputs: For Naim phono stage Dimensions (H x w x D): Both 87 x 432 x 314mm weight: NAC 552 - 12.9kg NAC 552PS - 13.9kg...
Page 8 The following section 7 paragraphs describe installation features and functions specific to the naC 252. operational features common to all preamplifiers and integrated amplifiers are described in section 28.
Page 9 Inputs 1, 2 & 6 Inputs 3, 4 & 5 (alternative) sockets. The lower socket, fitted on delivery with a blanking cover, is intended for use with a Naim Audio RCA (out) Phono stage and incorporates an appropriate DC power (out) supply.
Page 10 Diagrams 11.3 and 11.4 illustrate two naC 282 power supply options.
Page 11 The RS232/comms interface is an optional upgrade. It can be specified at time of order or fitted retrospectively. Contact your local representative or Naim Audio directly for further information. 11 .3 naC 2 8 2 Co nn e c te d t o su p e r ca p a n d n a P s C...
Page 12 Alternative upgrade schemes and product combinations may be feasible. Contact your local representative or Naim Audio directly for further information. 12 naC 28 2 sp ecifica ti o n Input sensitivities: 75mV, 47kΩ overload margins:...
Page 13 Diagram 14.3 illustrates the naC 202 connected to a Hi-Cap power supply.
Page 14 The RS232/comms interface is an optional upgrade. It can be specified at time of order or fitted retrospectively. Contact your local representative or Naim Audio directly for further information. 14 . 3 naC 2 0 2 C onn e ct e d to H i- C a p a n d n a Ps C...
Page 15 The naC 152 Xs preamplifier does not incorporate an internal power supply but must be used in conjunction with either a naim power amplifier incorporating a preamplifier power output, or with an appropriate naim power supply. Diagram 17.3 illustrates the naC 152 Xs connected to a FlatCap Xs power supply.
Page 16 Some movement of the upgrade. It can be specified at time of order or fitted board and sockets when connecting and disconnecting retrospectively. Contact your local representative or Naim cables is normal. Audio directly for further information.
Page 17 NAC 152 XS P re a mpl i f i e r 17 . 3 n a C 1 5 2 Xs C o n n e c t ed t o F la t C a p X s P o w e r s u p p ly ( s ta g e 1 u p g r a d e ) to power amplifier with internal power supply mains input...
Page 18 130mV, 47kΩ overload margins: 35dB (all inputs all audio frequencies) main output Level: 0.775V, <50Ω Line output Level: 130mV, 600Ω auxiliary Power outputs: For Naim phono stage. Dimensions (H x w x D): 70 x 432 x 301mm weight: 3.9kg...
Page 19 The following section 19 paragraphs describe installation features and functions specific section 28 to the supernait. operational features common to all preamplifiers and integrated amplifiers are described in section 28. 19.1 source Input selection and assignment 19.1.2 Digital Inputs...
Page 20: Digital Input Assignment
European safety regulations these should always be used. Naim Audio speaker cable Input assignment setup is accessed through the Supernait will provide the best results; however, a wide range of program mode.
Page 21 (out) (out) note: The RS232 interface is an optional upgrade. It can be specified at time of order or fitted retrospectively. Contact your local representative or Naim Audio directly for further information. pre-amp out for bi-amp note: The link plug should be removed only if a power supply upgrade is to be used or an alternative preamplifier is to use the Supernait power amplifier section.
Page 22 SU PER NAIT Inte gr a te d Am pl if ier 2 0. 3 s uP e rn aI T C o n n e ct e d t o H i- C a p P ow er s u p p ly power mains input...
Page 23 0.775V, <50Ω Tape output Level: 75mV, 600Ω Power output: Continuous 80 Watts per channel into 8 Ohms auxiliary Power outputs: For Naim phono stage Quiescent Consumption: 10VA Dimensions (H x w x D): 87 x 432 x 314mm weight: 12.8kg...
Page 24 Speaker and/or amplifier damage may occur if a signal is inadvertently connected to the NAIT XS av input while the AV Bypass switch is “On”. operational features common to all preamplifiers and integrated amplifiers are described in section 28. 22 . 1 m ains P ower C o n n e ct io n 2 2 .
Page 25 N AIT XS Inte gr a ted Am pl i f i e r note: The AV Bypass feature must be used with care. It The NAIT XS provides an unfiltered analogue stereo bypasses the NAIT XS volume control leaving any signal subwoofer output via a pair of RCA phono sockets.
Page 26 2 input Inputs Inputs/outputs specified at time of order or fitted retrospectively. Contact your local representative or Naim directly for further (out) information. (out) note: The link plug should be removed only if a...
Page 27 0.775V, <50Ω Line output Level: 130mV, 600Ω Power output: Continuous 60 Watts per channel into 8 Ohms auxiliary Power outputs: For Naim phono stage Quiescent Consumption: 20VA Dimensions (H x w x D): 70 x 432 x 301mm weight: 8.6kg...
Page 28 The following section 25 paragraphs describe installation features and functions specific section 28 to the nait 5i. operational features common to all preamplifiers and integrated amplifiers are described in section 28. 2 5 . 2 o u tp u t s 25 .
Page 29 N AIT 5i Integr a ted Am pl i f i er 26 .2 naIT 5i rear tuner input (RCA Phono) tuner input (DIN) hdd in CD input (DIN) power mains left right av in hdd out CD input (RCA input Phono) speaker...
Page 30 NAC 552 Unity Gain may be selected on DIN input sockets and 5. On all other preamplifiers it may be selected on only the handset, the preamplifier will automatically switch to the cd input.
Page 31: Handset Volume And Balance Control
On some alternative control characteristics. A quick press and preamplifiers equipped with separate source and record release of a key will adjust by a preset “nudge”. A quick sections, only the source side will un-mute automatically press and release of a key followed by press and hold will leaving the record side muted.
Page 32 Preampl ifier a nd I nteg r at ed Am pli fier O perat ion 28 . 9 F au lt Conditio n s Some amplifiers will indicate problems by flashing front panel button indicators. The following diagram tabulates the fault indication for each product. amplifier Power supply or over Current...
Page 33 The r-com remote handset is supplied with the naC 552 and CD555 and can be purchased as an accessory. It offers quick and intuitive control of the most often used functions of CD players, preamplifiers, integrated amplifiers and tuners. To fit batteries, remove the bottom end cover using the tool provided and insert the batteries into the body taking care with their orientation.
Page 34 The narCom 4 remote handset is supplied with the naC 552, naC 252, naC 282, naC 202, naC 152 Xs, supernait, nait Xs and nait 5i. It is a multi-functional remote control handset designed to be used with naim audio CD players, integrated amplifiers, preamplifiers, preset tuners and subwoofers.
Page 35 Naim power amplifiers. This only current European safety regulations these should always grounds the case and the electrostatic screen within the be used.
Page 36: Nap 500 Connections
N AP 500 P ower Amp li f i e r 32 naP 500 Connections 3 2. 1 n aP 5 0 0 C o nn e ct e d t o naP 50 0 P s signal signal left right input ch1 speaker...
Page 37 Custom Naim Audio loudspeaker connectors are supplied is used in conjunction with Naim power amplifiers. This only to make the connection and in order to comply with grounds the case and the electrostatic screen within the current European safety regulations these should always transformer, and is not connected to the signal negative.
Page 38: Nap 300 Connections
N AP 300 P ower Amp li f i e r 35 naP 300 Connections 3 5. 1 n aP 3 0 0 C o nn e ct e d t o naP 30 0 P s signal left right signal input ch1(L) speaker...
Page 39: Nap 250 Connections
Only Naim Audio speaker cable should be used to In order to avoid hum loops, the signal negative of the connect a loudspeaker to the output of the NAP 250.
Page 40 Only Naim Audio speaker cable should be used to In order to avoid hum loops, the signal negative of the connect a loudspeaker to the output of the NAPV 145.
Page 41: Nap 200 Connections
200. The naP 200 power button is located on the front panel. The naP 200 can provide power for an appropriate naim audio preamplifier. The power supply output is carried on the DIn input socket.
Page 42 155 Xs. The naP 155 Xs power switch is located on the rear panel. The naP 155 Xs can provide power for an appropriate naim audio preamplifier. The power supply output is carried on the DIn input socket.
Page 43 “ground” regardless of any other equipment used. In order to avoid hum-loops the signal Only Naim Audio speaker cable should be used to negative of the whole system should be connected to the connect a loudspeaker to the output of the NAPV 175.
Page 44 Naim Audio Limited, Southampton Road, Salisbury, England, SP1 2LN Products Preamplifiers - naC 552, naC 252, naC 282, naC 202, naC 152 Xs Integrated amplifiers - supernait, naIT Xs, naIT 5i Power Amplifiers - NAP 500/NAP 500PS, NAP 300/NAP 300PS, NAP 250,...

This manual is also suitable for:

Na-p 200 - amplifier Na-p 300 - amplifier Na-p 500 - amplifier Supernait Nait xs Nait 5i ... Show all