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NJA1000

Stereo Amplifier

            

Features of the NJA1000

• 500 Watts RMS output per channel

• DC Fan for quiet, cool running

• Over temperature monitoring

• Open & Short Circuit Protected

• Loudspeaker DC protection

 Clip

 and 

Signal

 indicators for each channel

• Individual gain controls

 Page 1

Summary of Contents for NJA1000

Page 1: ...of the NJA1000 500 Watts RMS output per channel DC Fan for quiet cool running Over temperature monitoring Open Short Circuit Protected Loudspeaker DC protection Clip and Signal indicators for each channel Individual gain controls Page 1 ...

Page 2: ...own wire to the terminal labelled L Connect the blue wire to the terminal labelled N Connect the green yellow wire to the terminal labelled with the earth symbol or E Make sure that the cord grip is positioned correctly over the outer sheath of the cable and is fully tightened Fuse 13A Earth Green Yellow Neutral Blue Live Brown Install the NJA1000 away from sources of moisture avoid areas where dr...

Page 3: ...ric shock and is forbidden by the Electricity at Work Regulations Any number of speakers may be connected to each channel as long as the combined impedance is not less than 4 W Connecting more speakers reduces the impedance Connecting too low an impedance may damage the amplifier If one of the outputs is not being used it is not necessary to connect any load to it For speakers connected in PARALLE...

Page 4: ...f too thin a cable can lead to loss of output The table opposite shows the maximum cable lengths for a 10 loss in amplifier output It is best to use a cable that is as short and as thick as possible At the maximum lead lengths shown below 100 W of the amplifier power is being lost only 900 W will reach the loudspeakers NEVER use screened lead to connect speakers to an amplifier and never connect t...

Page 5: ...me controls to zero before switching on do not touch the speaker outputs whilst the amplifier is running as this could result in electric shock Set the input level controls so that the clip LEDs only illuminate on the loudest peaks when the levels on the mixer are at their highest setting If the amplifier is being asked to produce more power than it can supply it will clip the signal and if this h...

Page 6: ...ult a dealer Short circuit protection The NJA1000 is protected against short circuits on the outputs If this happens it will limit its output current to a safe level until the short circuit is removed A short circuit should be removed as soon as it is discovered as the amplifier is not intended to be run indefinitely into a short circuit Short circuit protection does not protect the amplifier from...

Page 7: ...nput sensitivity 1 228 V 4dBm for 500 W into 4 W Frequency response 10 Hz to 20 kHz 3 dB Hum and noise 95 dB Channel separation 90 dB Harmonic Distortion 0 1 at 50 W into 4 W Intermodulation Distortion 0 1 at 50 W into 4 W at 50 Hz and 5 kHz Slew rate 10 V µs Power requirement 230V AC 50 60Hz 1300VA Inrush current 30 A peak for 10ms Fuse T6 3A HBC 5 20mm to IEC127 6 3 Amp anti surge 5 20mm Connect...

Page 8: ...kmanship for a period of twelve months Should this appliance be operated under conditions other than those recommended at voltages other than the voltage indicated on the appliance or any attempts made to service or modify the appliance then the warranty will be rendered void The product you buy may sometimes differ slightly from illustrations This warranty is in addition to and does not affect yo...

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