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Owner’s Manual

ENGLISH

Stereo Power Amplifier

®

© NAD  M23

M23

Summary of Contents for M23

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

Page 2: ...s 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 b...

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 including amplifiers that produce heat WARNING TO REDUCETHE RISK OF FIRE OR ELECTRIC SHOCK DO NOT EXPOSETHIS PRODUCTTO RAIN OR MOISTURE CAUTION TO PREVENT ELECTRIC SHOCK MATCHWIDE BLADE OF PLUGTOWIDE SLOT FU...

Page 4: ...treated 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 batteries as mixed municipal waste End users are exhorted not to dispose waste batteries as unsorted municipal waste In order to achieve a high level of recycling waste batteries discard waste batte...

Page 5: ...ng 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 to do so We ve seen too many otherwise perfect components damaged in transit for lack of a proper shipping carton so please Save that box NOTES ON INSTALLATION Your unit should be placed on a firm lev...

Page 6: ...white 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 the Standby button turn off Power switch and then unplug the power cord from the mains power source Undertake the following a Check if all speaker wires are connected correctly and that none of the w...

Page 7: ...ethat thevolumecontroloftheexternalsourceissettominimumlevelposition This preventsinadvertentlybeginningasessionatexcessivevolume 3 SINGLE ENDED Use SINGLE ENDED audio input for sources preamplifiers or processors that are not equipped with BALANCED analog audio output If SINGLE ENDED is the selected audio input ensure that the SELECT switches for both L Left and R Right channels of AUDIO INPUT ar...

Page 8: ...e 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 Press repeatedly to turn off or adjust the brightness level of the Power indicator 9 POWER The AC mains power to M23 is regulated by the POWER switch When the POWER switch is set to ON position M23 goes ...

Page 9: ...re 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 standby mode if it senses input signal minimum 20mV RMS input applied to either the BALANCED or SINGLE ENDED sockets Enable Auto Standby mode At operating mode press and hold o Standby button for 10 to 15...

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 High Gain level 2 53V Mid Gain level 4 50V Low Gain level Gain level Low 19 dB Medium 24 dB High 29 dB Minimum input level for AutoTrigger 3 mV at 1 kHz Standby power 0 5W DIMENSION AND WEIGHT Gross d...

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