NHT b-12d User's Manual
Contents
1. Phase control matches subwoofer phase to the satellite speaker system LFE In Recommended Connection for modern surround receivers that have dedicated subwoofer or LFE output Line In Legacy connection 1 Pre amp out connection For receivers processors that do not have a dedicated subwoofer or LFE output Wireless In Powers a wireless receiver not yet available AC Connection for IEC AC power cord included Fuse Protective fuse drawer Placement Note Always provide adequate space for ventilation of the Subwoofer amplifier Do not place the Subwoofer directly against a wall curtains or any other surface For best results try to place the subwoofer in the same horizontal plane and along the same wall as the front satellite speakers Positions A B or C Connections Make sure all components are powered off and that the Subwoofer is not plugged in to the AC outlet until all connections are completed 1 Connecting Your Subwoofer to Your AV Surround Receiver f i f Reciever Subwoofer The most common connection for receivers is to run a single audio cable from the receiver Q subwooter Subwoofer or LFE output to the LFE input The LFE input bypasses the Subwoofer s crossover control Follow the instructions in your receiver s speaker setup menu to enable the subwoofer and make crossover settings out 2 Connecting Your Subwoofer Using Your Receiver s Preamp Out Some older surro2. B 12d Powered Subwoofer Setup Guide How to use this set up guide This set up guide will get you started using your new NHT Subwoofer In this guide we will show you the basic and most common configurations and settings For many this will be all the information you require However if you would like more detail you can find the complete owner s manual online at www nhthifi com If at any time during the setup you need assistance call our hotline at 1 8300 NHT 9993 800 648 9993 or email us at helo nhthifi com Boundary control provides bass eq for different placements in the room Auto On Puts the subwoofer to sleep when no signal is present D Boundary 3dB 3dB Volume Min Crossover Hz 80 _ 60 2 Max Milena Out O Subwoofer Volume control Matches subwoofer volume to the satellite speaker s output Wireless In D gt B1 2d Auto nw 40 On On Powered Subwoofer AERA 120V _60Hz 5A ATTENTION GEMM 220 250V 011225 CAUTION For continued protection against risk of fire replace only with E same type fuse and rating U S Patent 5475634 and 5 510 753 Patent Pendine ATTENTION Utiliser un fusible de 120V Fuse T5A L 250V rechange de meme type et calibre 230V Fuse T2 5A L 250V D Left Subwoofer Low Pass Crossover control Use only with low level inputs Does not function when LFE input is used
3. at produces the loudest bass from your favorite chair Auto On Leave in the auto position to have the Subwoofer sleep when there is no sound present after 20 minutes If you prefer to turn off via an external power switch leave it in the Always On position Volume Min Max Crossover Hz 100 80y 60 4o 130 Boundary oo crossover Hz Crossover Hz 1001 80y 60 404 130 3dB 3dB Auto Always On On
4. und receivers processors only offered preamp outputs Connect a pair of audio cables from the Left and Right Preamp output to the two Line In jacks on the Subwoofer Follow the instructions in Control Settings below for setting the Subwoofer s crossover point Reciever Subwoofer Some newer stereo receivers have pre amp outputs and in some cases they also have a subwoofer output If connecting from the preamp out on your receiver follow the instructions immediately above If connecting from a subwoofer out use a single RCA cable to the Line in either left or right Follow the instructions in Control Settings below for setting the Subwoofer s crossover point Control Settings Volume Start in the 12 o clock position then trim up or down after you have listened for a while For LFE connection method see the online Owners Manual for additional information Crossover Connection method 2 only Boundary This control assists in providing the flattest frequency response in your room If low frequencies sound heavy or boomy as they often will if the subwoofer is placed in a corner rotate the knob to towards the 3dB position If the low frequencies sound thin or lack weight as they might if the subwoofer is placed far from the walls rotate the knob towards the 3dB position Phase Listen to some of your favorite music Have someone help you by rotating the knob between 180 and O degrees Find the position th
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