NAD M23 Owner'S Manual Download Page 2

ENGLISH

2

SAVE THESE INSTRUCTIONS FOR LATER USE.
FOLLOW ALL WARNINGS AND INSTRUCTIONS MARKED ON THE AUDIO 
EQUIPMENT.

1  Read instructions 

- All the safety and operating instructions should be 

read before the product is operated.

2  Retain instructions 

- The safety and operating instructions should be 

retained for future reference.

3  Heed Warnings 

- All warnings on the product and in the operating 

instructions should be adhered to.

4  Follow Instructions 

- All operating and use instructions should be 

followed.

5 Cleaning 

- Unplug this product from the wall outlet before cleaning. 

Do not use liquid cleaners or aerosol cleaners. Use a damp cloth for 
cleaning.

6 Attachments 

- Do not use attachments not recommended by the 

product manufacturer as they may cause hazards.

7  Water and Moisture 

- Do not use this product near water-for example, 

near a bath tub, wash bowl, kitchen sink, or laundry tub; in a wet 
basement; or near a swimming pool; and the like.

8 Accessories 

- Do not place this product on an unstable cart, stand, 

tripod, bracket, or table. The product may fall, causing serious injury to 
a child or adult, and serious damage to the product. Use only with a 
cart, stand, tripod, bracket, or table recommended by the manufacturer, 
or sold with the product. Any mounting of the product should follow 
the manufacturer’s instructions, and should use a mounting accessory 
recommended by the manufacturer.

A product and cart combination should be moved with care. 
Quick stops, excessive force, and uneven surfaces may cause 
the product and cart combination to overturn.

10 Ventilation 

- Slots and openings in the cabinet are provided for 

ventilation and to ensure reliable operation of the product and to 
protect it from overheating, and these openings must not be blocked 
or covered. The openings should never be blocked by placing the 
product on a bed, sofa, rug, or other similar surface. This product should 
not be placed in a built-in installation such as a bookcase or rack unless 
proper ventilation is provided or the manufacturer’s instructions have 
been adhered to.

11  Power Sources 

- This product should be operated only from the type 

of power source indicated on the marking label. If you are not sure of 
the type of power supply to your home, consult your product dealer or 
local power company.  
The primary method of isolating the amplifier from the mains supply 
is to disconnect the mains plug. Ensure that the mains plug remains 
accessible at all times. Unplug the AC power cord from the AC outlet if 
the unit will not be used for several months or more.

12  Grounding or Polarization 

- This product may be equipped with a 

polarized alternating-current line plug (a plug having one blade wider 
than the other). This plug will fit into the power outlet only one way. 
This is a safety feature. If you are unable to insert the plug fully into the 
outlet, try reversing the plug. If the plug should still fail to fit, contact 
your electrician to replace your obsolete outlet. Do not defeat the safety 
purpose of the polarized plug.

13 Power 

- Cord Protection - Power-supply cords should be routed so that 

they are not likely to be walked on or pinched by items placed upon or 
against them, paying particular attention to cords at plugs, convenience 
receptacles, and the point where they exit from the product.

14  Outdoor Antenna Grounding 

- If an outside antenna or cable system 

is connected to the product, be sure the antenna or cable system is 
grounded so as to provide some protection against voltage surges 
and built-up static charges. Article 810 of the National Electrical Code, 
ANSI/NFPA 70, provides information with regard to proper grounding 
of the mast and supporting structure, grounding of the lead-in wire 
to an antenna discharge unit, size of grounding conductors, location 
of antenna discharge unit, connection to grounding electrodes, and 
requirements for the grounding electrode.

NOTE TO CATV SYSTEM INSTALLER

This reminder is provided to call the CATV system installer’s attention to Section 
820-40 of the NEC which provides guidelines for proper grounding and, in 
particular, specifies that the cable ground shall be connected to the grounding 
system of the building, as close to the point of cable entry as practical.

15 Lightning 

- For added protection for this product during a lightning 

storm, or when it is left unattended and unused for long periods of 
time, unplug it from the wall outlet and disconnect the antenna or 
cable system. This will prevent damage to the product due to lightning 
and power-line surges.

16  Power Lines 

- An outside antenna system should not be located in the 

vicinity of overhead power lines or other electric light or power circuits, 
or where it can fall into such power lines or circuits. When installing an 
outside antenna system, extreme care should be taken to keep from 
touching such power lines or circuits as contact with them might be 
fatal.

17 Overloading 

- Do not overload wall outlets, extension cords, or 

integral convenience receptacles as this can result in a risk of fire or 
electric shock.

18  Object and Liquid Entry 

- Never push objects of any kind into this 

product through openings as they may touch dangerous voltage points 
or short-out parts that could result in a fire or electric shock. Never spill 
liquid of any kind on the product.

WARNING: THE APPARATUS SHOULD NOT BE EXPOSED TO DRIPPING 
OR SPLASHING, AND OBJECTS FILLED WITH LIQUIDS, SUCH AS VASES, 
SHOULD NOT BE PLACED ON THE APPARATUS. AS WITH ANY ELECTRONIC 
PRODUCTS, USE CARE NOT TO SPILL LIQUIDS INTO ANY PART OF THE 
SYSTEM. LIQUIDS CAN CAUSE A FAILURE AND/OR A FIRE HAZARD.

IMPORTANT SAFETY INSTRUCTIONS

Summary of Contents for M23

Page 1: ...Owner s Manual ENGLISH Stereo Power Amplifier NAD M23 M23...

Page 2: ...plug will fit into the power outlet only one way This is a safety feature If you are unable to insert the plug fully into the outlet try reversing the plug If the plug should still fail to fit contac...

Page 3: ...be mounted to a wall or ceiling only as recommended by the manufacturer 23 Heat The product should be situated away from heat sources such as radiators heat registers stoves or other products includin...

Page 4: ...reated as separate collection and not as municipal waste It is encouraged that necessary measures are implemented to maximize the separate collection of waste batteries and to minimize the disposal of...

Page 5: ...g level SAVE THE PACKAGING Please save the box and all of the packaging in which your M23 arrived Should you move or otherwise need to transport your M23 this is by far the safest container in which t...

Page 6: ...hite Normal operating mode Amber Standby mode Red Protect mode PROTECT MODE If the POWER INDICATOR turns red this indicates that the protection circuitry of the M23 had been engaged Immediately press...

Page 7: ...that thevolumecontroloftheexternalsourceissettominimumlevelposition This preventsinadvertentlybeginningasessionatexcessivevolume 3 SINGLE ENDED Use SINGLE ENDED audio input for sources preamplifiers o...

Page 8: ...source to Left Audio Input ports only Do not connect anything to Right Audio Input ports when Bridge Mode is selected Set BRIDGE MODE switch to OFF STEREO for normal operation 8 LED LEVEL DIMMER Pres...

Page 9: ...e is no active source input within 30 minutes Press o Standby to switch M23 from operating mode to standby mode AUTO SENSE Auto Sense feature instantaneously turns the M23 to operating mode from stand...

Page 10: ...ohms 0 1 THD 700W IHF dynamic power Stereo mode at 1 kHz 1 THD 8 ohms 260W 4 ohms 520W Damping factor 800 ref 8 ohms Frequency response 0 3 dB 20 Hz 20 kHz Input sensitivity for 200W in 8 ohms 1 42V H...

Page 11: ...ENGLISH 11...

Page 12: ...onal a division of Lenbrook Industries Limited No part of this publication may be reproduced stored or transmitted in any form without the written permission of NAD Electronics International While eve...

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