NAD M23 Скачать руководство пользователя страница 8

ENGLISH

8

WARNING

 

The front panel 

(Standby) button is disabled as long as the male 

plug of the mono cable (with or w12V DC) is connected to M23’s 
+12V TRIGGER IN. Unplug the mono cable for the M23 to be powered up 
from standby mode to operating mode and vice-versa using the front 
panel 

(Standby) button.

6  GAIN LEVEL (LOW/MID/HIGH)

• 

Gain level adjustment allows the source to be played back at the 
same volume level so you don’t need to adjust the volume every 
time you change to a new source.

• 

The Gain Level of the M23 can be set to any of the following - LOW 
(19dB), MEDIUM (24dB) and HIGH (29dB).  

7  BRIDGE MODE

M23 can be configured to be MONO (ON/BRIDGE), more than doubling its 
output power. This way, M23 can be used as part of a high power stereo or 
home-theatre system, by connecting additional power amplifiers.

• 

In BRIDGED MODE (switch at ON/BRIDGE setting), M23 will produce 
approximately 700W into an 8 ohm loudspeaker. In this mode, the 
amplifier sections will react as though the speaker impedance has 
been halved. Low impedance speakers (under 8 ohms) are not 
recommended when using Bridge Mode as these may cause the 
amplifier’s thermal cut-out to operate if played at high levels.

• 

Set the BRIDGE MODE switch to ON/BRIDGE position and connect 
the speaker to the terminals marked “L +” and “R-” ensuring that the 
“L+” is connected to the “+” terminal of your speaker and the “R-” is 
connected to the speaker’s “ - ” terminal.

• 

Connect the 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 to standby mode as 
shown by the amber status condition of the Power indicator. Press 

o

 

(Standby) button to power up M23 from standby mode.

• 

If you intend not to use the M23 for long periods of time (such as 
when on vacation), switch off the POWER switch.

• 

The 

o

 (Standby) button cannot activate M23 with the rear panel 

POWER switched off.

10  AC MAINS INPUT

• 

M23 comes supplied with a detachable power cord. 

• 

Ensure that the supplied power cord’s female connector end is 
firmly secured to M23’s AC Mains input socket and the male plug 
connected to the mains power source.

• 

Always unplug first the power cord from the mains power source 
before disconnecting the female connector end from M23’s AC 
Mains input socket.

11  FUSE HOLDER

• 

Only qualified NAD service technicians can have access to this fuse 
holder.  Opening this fuse holder may cause damage thus voiding 
the warranty of your M23.

12  GROUND TERMINAL

• 

Ensure M23 is plugged-in to a grounded AC wall outlet.

• 

If a separate earth ground is necessary, use this terminal to ground 
your M23. 

• 

M23 can be connected to ground by connecting a ground lead 
wire or similar to this terminal. After insertion, tighten the terminal 
to secure the lead.

IDENTIFICATION OF CONTROLS

REAR PANEL

Содержание M23

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

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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 ...

Страница 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...

Страница 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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