Velodyne Digital Drive Series User Manual

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Velodyne Digital Drive Series User Manual Manual pdf 55 page image

Appendix D: Important Subwoofer Information49.w w w . v e l o d y n e . c o m Digital Drive User’s ManualImportant Information Regarding yourVelodyne Digital Drive™ Series Subwoofer(DD-15 and DD-18 only) and THX™ Ultra2T H X U l t r a 2 P r e s e t s f o r t h e V e l o d y n e D i g i t a l D r i v e S e r i e s :To set the DD-15 and DD-18 to meet THX Ultra2 requirements, customize Preset 5 with thefollowing parameters:Low Pass Crossover Frequency: OFFLow Pass Crossover Slope: 6 dB per octaveSubsonic Frequency: 15HzSubsonic Slope: 24 dB per octavePhase: User adjustablePolarity: User adjustableVolume: 25Contour Frequency: DefaultContour Level: 0.0Theater/Music: 8Night Mode Volume: Default in OFF positionT H X C e r t i f i e d P r e - A m p / R e c e i v e r s :If you have a THX Certified Pre-Amp/Receiver, please connect the “(THX)” input on the backpanel of the DD-15/DD-18 to the ”Sub Out” connector of the THX Pre-Amp/Receiver. Also setthe DD-15/DD-18 to the THX Preset 5, set the system response of the subwoofer as per theowners manual and then calibrate the THX Pre-Amp/Receiver. This ensures that the bassmanagement and calibrated levels are optimized for your system.As this is a new THX Ultra2 subwoofer, if your Pre-Amp/Receiver is THX Ultra2 Certified, youmay use the Boundary Gain Control in the setup menu of the THX Ultra2 Pre-Amp/Receiver tocompensate for any excessive bass heard in the room if you are close to a wall.T H X C e r t i f i e d U l t r a 2 :Before any home theatre component can be THX Ultra2 certified, it must pass a rigorousseries of quality and performance tests. Only then can a product feature the THX Ultra2 logo,which is your guarantee that the Home Theatre products you purchase will give you superbperformance for many years to come. THX Ultra2 requirements cover every aspect of theperformance of the product including power output, frequency response, distortion, etc.

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