Velodyne Acoustics HGS-12X Congratulations, Care of Your Subwoofer, Prior to installation

Congratulations!

Congratulations on your purchase of a Velodyne subwoofer system. This system represents the absolute state of the art in accurate low frequency reproduction. We believe this to be one of the finest subwoofers available anywhere! In this new subwoofer, we have combined our radical new driver & amplifier designs to obtain our traditionally accurate sound while increasing efficiency and output to new standards. This exceptional subwoofer will provide you with years of unparalleled listening pleasure. Enjoy!

Caution!

Please observe the following instructions to insure safe and proper system operation.

Warning!

To prevent fire or shock hazard, do not expose this equipment to rain or moisture. To avoid electrical shock, do not open speaker enclosure or amp chassis cover. Please observe all warnings on the equipment itself. There are no user serviceable parts inside. Please refer all service questions to your authorized Velodyne dealer.

Prior to installation

Please unpack the system carefully! This unit is heavy. Use caution when lifting or moving to avoid injury. Remove all staples used to seal the carton as they can scratch the cabinet. Please save the carton and all packaging materials for future use. Packing this unit in any other carton may result in severe damage when shipping. Please take a moment to record the serial number and date/location of purchase in the space provided on the warranty card for future reference.

Important Note: Do not move unit while plugged in!

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control system is a low mass accelerometer rigidly attached to the voice coil. The accelerometer continuously monitors cone motions, providing a feedback signal for the servo control circuitry. This high-gain system is designedtoimprovelinearityandreducedistortionapproximately30times over conventional non-servo systems. While the input signal is being sent to the amplifier which powers the driver, a continuous signal representing cone motion is being sent to a comparator circuit. This circuit constantly adjusts for any deviation between the input signal and the subwoofer's output.Thisselfregulationresultsinextremecontroloverconemovement, and very accurate low distortion sound.

Toprovidethepowerfordrivingthismassiveloudspeaker,weincorporated an extremely efficient Class D switching amplifier. This new amplifier featuresourpatentpendingenergyrecoverycircuitdesignwhichdrastically reduceswastedenergy(heat)ascomparedtotraditionalswitchingdesigns. One that iscapableof running cool to the touch and providing 1000 or 1250 watts(RMS-dependingonthemodel)ofpower!Attypicallisteninglevels, the HGSX produces less than 1% harmonic distortion with input signals extending to 20Hz. At higher levels the distortion barely exceeds 1%, far betterthananyconventionaldesigncurrentlyonthemarket. Thiscombination provides you with the best combination of clean, deep, accurate bass, without making any sacrifice to distortion.

Care of Your Subwoofer

Do not use any harsh detergents or chemicals to clean the cabinet. Abrasives, detergents, or cleaning solutions may damage the finish on the cabinet. We recommend using a damp cloth to clean the cabinet. During normal conditions, your new subwoofer may be left on continuously without any problems. The unit is equipped with a signal-sensing turn on/ offthatwillautomaticallyturnontheunitwhenasignalispresentattheinputs andturn offtheunit afterseveral minutes when there is no longer any signal at the inputs. If you plan to leave the subwoofer unused for an extended period of time, we recommend that you unplug the unit.

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