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10K4 2.5kW

Amplifier

User Manual

Order code: AMP80

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Summary of Contents for 10K4

Page 1: ...10K4 2 5kW Amplifier User Manual Order code AMP80...

Page 2: ...5 Amplifier hot swap modules 7 4 2 6 2 load overheat protection 7 5 INSTALLATION 8 5 1 Unpacking 8 5 2 Mounting 8 5 2 1 Rear support bracket 8 5 3 Cooling 9 5 3 1 Rack installation 9 5 3 2 Ventilation...

Page 3: ...Detector SOAD 21 7 5 3 Very High Frequency VHF protection 21 7 5 4 DC protection 21 7 5 5 High impedance warning open load 22 7 5 6 Low impedance protection warning 22 7 5 8 Power Average Limiter PAL...

Page 4: ...Zenith 10K4 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: ...ap module technology The output modules may be removed and replaced without the need to power down the amplifier 4 2 6 2 load overheat protection In the situation the amplifier is used to power 2 load...

Page 8: ...e the original packaging materials 5 2 Mounting Free airflow from front to rear of the amplifier must be possible Therefore no doors or rack lids should be mounted in front of or behind the amplifiers...

Page 9: ...erheat the temperature sensing circuits will mute the overheating channel If the power supply overheats another sensing circuit will mute all output channels until the power supply cools to safe opera...

Page 10: ...country it can be removed and the proper connector wired in its place as follows Wire distribution Brown LIVE Blue NEUTRAL Green and yellow EARTH GROUND If you are not 100 confident of your competence...

Page 11: ...ant by replacing the thumbscrews with Philips head or safety Torx screw Thread size is M3 The amplifier never should be operated without the dust filters in place 6 1 1 Front The front panel LED area...

Page 12: ...Zenith 10K4 Amplifier Manual 12 6 2 Rear panel overview Rear view of four channel model fitted with SpeakON connectors...

Page 13: ...ic 6dB gain compensation is applied VPL The Voltage Peak Limiter provides optimum peak voltage settings for each channel Eight discrete levels are selectable Mode Select VPL mode to either Hard or Sof...

Page 14: ...sound from the auto lock switch that means the module is positioned It is very important to make sure that the module has been pushed in completely Pull out When need to pull out the module stirring...

Page 15: ...s global affecting all channels Following the input stage the dedicated level control on each channel allows signal attenuation from 0dB to minus infinity The Current Peak Limiter CPL section dynamica...

Page 16: ...dBu Vrms and watts in the tables to the far right The headroom available through the input stage to the clip limiter is shown by the dotted lines as 10 dB at 150V peak and 16 1dB at 38V peak These lin...

Page 17: ...rive A typical output source e g a DSP crossover unit can drive up to four amplifier channels before external line drivers might be required to buffer the signal 7 4 2 Unbalanced input connections To...

Page 18: ...e right SpeakON connector Channel A B provides outputs for both Channel A and Channel B This output is useful when wiring the amplifier for bridged mono operation See section 7 4 6 The left SpeakON co...

Page 19: ...h various input sources and speaker layouts Amplifier gain is set globally for all channels The range is 23dB to 44dB in 3dB steps Individual channel fine level adjustment is available using the poten...

Page 20: ...us runs at higher efficiency with a significantly reduced risk of going into thermal protection 7 4 7 Output Current Peak Limiter CPL The Current Peak Limiter CPL ensures that the amplifier will not b...

Page 21: ...put power level and frequency The illustration below shows a decreasing threshold on the output power level starting at approximately 10KHz and rising with a 6dB slope This defines the VHF protection...

Page 22: ...ximum current protection This situation is caused by an excessive input signal and is not due to a short circuit Turn down the input signal to avoid or remedy this situation 7 5 7 Temperature protecti...

Page 23: ...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 24: ...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 25: ...witch that means the module is positioned It is very important to make sure that the module has been pushed in completely Removal When need to pull out the module move the locking bar to the handle ri...

Page 26: ...121 101 83 70 56 47 38V VPL selectable when bridged 300 242 202 166 140 112 94 76V Voltage peak limiter mode per channel hard soft Amplifier gain selectable all channels 23 26 29 32 35 38 41 44dB def...

Page 27: ...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 28: ...Zenith 10K4 Amplifier Manual 28...

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