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13K2 2 x 6.5kW

Amplifier

User Manual

Order code: AMP81

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Summary of Contents for AMP81

Page 1: ...13K2 2 x 6 5kW Amplifier User Manual Order code AMP81...

Page 2: ...ion 6 4 2 5 2 load overheat protection 7 5 INSTALLATION 7 5 1 Unpacking 7 5 2 Mounting 8 5 2 1 Rear support bracket 8 5 3 Cooling 8 5 3 1 Rack installation 9 5 3 2 Ventilation 9 5 4 Operating voltage...

Page 3: ...0 7 5 3 Very High Frequency VHF protection 20 7 5 4 DC protection 20 7 5 5 High impedance warning open load 20 7 5 6 Low impedance protection warning 21 7 5 8 Power Average Limiter PAL 21 7 5 9 Soft S...

Page 4: ...Zenith 13K2 Amplifier Manual 4 2 APPROVALS 3 WARNINGS 3 1 Explanation of graphical symbols 3 1 1 WARNING 3 1 2 CAUTION 3 2 Important safety instructions...

Page 5: ...on and off the user is encouraged to try to correct the interference by one or more of the following measures Reorient the antenna Increase the separation between the equipment and receiver Connect th...

Page 6: ...n for example an input signal is present and a malfunctioning cable or driver is short circuiting the output High impedance warning reports an alert when at the same time output signal is high and no...

Page 7: ...npacking Carefully open the shipping carton and check for any noticeable damage The 13K2 power amplifier is tested and inspected before leaving the factory and should arrive in perfect condition If an...

Page 8: ...se two screws and washer for fixed installation 5 3 Cooling The amplifier uses a forced air cooling system with airflow from front to rear maintaining a low operating temperature within defined limits...

Page 9: ...s via the rear Care should be taken to install away from devices with the opposite airflow direction For installed rack systems or touring racks with enclosed rear panels additional forced exhaust ven...

Page 10: ...amplifier then goes through a soft start The fans will blow at high speed before dropping to idle and the power LED will illuminate Inrush power is controlled and limited during soft start enabling mu...

Page 11: ...is M3 The amplifier never should be operated without the dust filters in place 6 1 1 Front The front panel LED area includes the following indicators per channel VHF Very High Frequency protection act...

Page 12: ...Zenith 13K2 Amplifier Manual 12 Rear view of two channel model fitted with SpeakON connectors 6 2 1 Configuration section The 13K2 amplifier has selectable VPL values...

Page 13: ...mode to either Hard or Soft operation For channels driving sub woofers and low frequency drivers it is recommended to use the hard setting for optimal operation For mid and high frequency drivers alwa...

Page 14: ...ensed current level feedback from the output stage and sensed voltage clip from the VPL and output amplifier voltage clip if soft clip is activated This ensures that power output is maintained within...

Page 15: ...hat can be accepted at the input before any significant distortion will appear at the input stage If you use the level potentiometer in the signal chain to reduce the level by an amount greater than t...

Page 16: ...al 7 4 2 Unbalanced input connections To connect an input to an unbalanced source it is possible to connect pins 1 and 3 in the XLR plug at the amplifier end of the cable However a better method is to...

Page 17: ...utput Observe relative loudspeaker polarity loudspeakers connected in reverse polarity will exhibit degraded performance particularly in bass frequencies and may be damaged as a consequence Use a high...

Page 18: ...d in order to achieve maxi mum output power with the lowest signal to noise ratio A hot input signal however would require a lowering of the gain to avoid sending the amplifier into Voltage or Current...

Page 19: ...deliver current levels to the outputs that exceed the physical limits of the transistors The CPL keeps the amplifier within the Safe Operating Area SOA The CPL is non adjustable and has different lim...

Page 20: ...ngly shorter at higher frequencies For example an ultrasonic continuous signal will cause the outputs to mute rapidly where it will take several milliseconds for a 10KHz continuous signal to trigger t...

Page 21: ...e safe operation the overheated output channel s will be muted until the temperature returns to an acceptable level Fully active temperature protection with muting is indicated by a constantly illumin...

Page 22: ...ignal above 44dB Should the SIG indicator turn red this indicates a high impedance or open connection has been detected at the output Possible faults include a disconnected cable or malfunctioning lou...

Page 23: ...t condition only when an input signal is present Temperature yellow amplifier goes into thermal protect output muted the TEM LED illuminates constant red and the yellow MUTE LED illuminates VHF Very H...

Page 24: ...for driving into 2 loads the amplifiers are equipped with an extensive set of protection circuits for reliable operation 2 x 2300W RMS 8 2 x 4400W RMS 4 2 x 6500W RMS 2 1 x Bridge 8800W RMS 8 1 x Brid...

Page 25: ...SWBMT BT UIJT XJMM SFEVDF UIF TZTUFN T MJGF t 0OMZ VTF UIF FRVJQNFOU JOEPPST t P OPU FYQPTF UP BNNBCMF TPVSDFT MJRVJET PS HBTFT t MXBZT EJTDPOOFDU UIF QPXFS GSPN UIF NBJOT XIFO FRVJQNFOU JT OPU JO VTF...

Page 26: ...Zenith 13K2 Amplifier Manual 26...

Page 27: ...Zenith 13K2 Amplifier Manual 27...

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