Coustic & 480QE Owner'S Manual Download | Manualshive

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Owner’s Manual

for

320QE, & 480QE

Four Channel Power Amplifiers

www.coustic.com

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Summary of Contents for & 480QE

Page 1: ...com ...

Page 2: ...ers feature 18 dB per octave high pass and low pass Furthermore the crossover frequencies are continuously variable for fine tuning of your audio system OVER CURRENT SHORT CIRCUIT AND DC OFFSET PROTECTION The sophisticated circuitry monitors abnormal conditions such as voltage spikes oscillation DC offset or short circuit When any of these undesirable conditions exceed their respective preset limi...

Page 3: ...e of your sound system 11 REAR CHANNEL INPUT SENSITIVITY LEVEL CONTROL SENS The input sensitivity level can be varied from 5 0 volts to 100 mV depending on the output voltage of the source unit refer to sub section titled INPUT SENSITIVITY ADJUSTMENT 12 REAR CHANNEL HIGH IMPEDANCE INPUT To be connected to RCA pre amp outputs from a source unit i e radio tape deck or CD player If there is only one ...

Page 4: ...cooling period As soon as the temperature returns to a safe level the amplifier will restart and resume normal operation This indicator also lights up when the amplifier detects either an over current situation shorted speaker outputs or a DC offset at the outputs Turn off the amplifier double check all inputs and speaker connections to make sure there is no short or inappropriate inputs If all co...

Page 5: ...ot be exposed to moisture and water Taking all the above into consideration the best mounting position for the amplifier would be the floor of the trunk or behind the rear seat back WIRING LAYOUT Once the location of all the components has been determined plan the best routes for all the necessary wiring making sure that the wires are easily accessible without dismounting the vari ous components M...

Page 6: ...dd a fuse or circuit breaker to any power wire that runs through a firewall or sheet metal to protect the battery the vehicle and more importantly you It is highly recommended that installation is carried out by an authorized Coustic dealer Connect the Amplifier Remote Control Connect the remote input terminal of the amplifier to the remote output terminal of the source unit to establish amplifier...

Page 7: ...will need further adjustment since radio output level differs from that of CD or tape In this case you need to locate a balanced sensitivity setting which is best for both the output level of radio and that of CD or tape CROSSOVER SELECTION The amplifier has built in high pass low pass filters for both front and rear channels that can be defeated by sliding the switch to the OFF position 1 When th...

Page 8: ...Range System Figure 13 Typical High Low pass System with one amplifier Figure 14 Typical High Low pass System with two 2 amplifiers 14 15 www coustic com CD 328 CD Changer Control A B CD 328 CD Changer Control A B CD 328 A B ...

Page 9: ... the audio Check all ground connections system is on SYMPTOM PROBABLE CAUSE 8 Whining noise when Reroute power cable from the battery to the source unit engine is running with noise directly bypassing the battery terminal in the fuse box varying with the accelerator Check power connections to be sure they are clean noise level varies with Check ground connections to be sure the ground wire is in s...

Page 10: ...or installation Should a defect occur Coustic will repair or at its option replace defective units parts with new or factory rebuilt materials without charge for either parts or labor to the original purchaser Replacement units parts will be warranted for the remaining portion of the original warranty period IMPORTANT THIS WARRANTY DOES NOT COVER INSTALLATION OR DAMAGE RESULTING FROM ACCIDENT MISU...

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