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U ser’s M anual
M odel
SW 10 ll SW 12
Pow ered Subw oofer
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IMPORTANT SAFETY INSTRUCTIONS CAUTION RISK OF ELECTRIC SHOCK DO NOT OPEN CAUTION: TO REDUCE RISK OF ELECTRICAL SHOCK, DO NOT REM OVE COVER (OR BACK). NO USER SERVICEABLE PARTS INSIDE. REFER TO QUALIFIED SERVICE PERSONNEL. The lightning flash with the arrowhead symbol, within an equilateral triangle, is intended to alert the user to the presence of uninsulated “dangerous voltage” within the product’s enclosure that may be of sufficient magnitude to constitute a risk of electric shock to persons.
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Thank you for your purchase of the NHT is to remember that low frequencies produce sounds with SW 10 ll or SW 12 powered subwoofer. long wavelengths, which interact in com plex ways with room boundaries, such a walls and corners, and other Like all NHT loudspeakers, the SW 10 ll and SW 12's large objects as well. development has been guided by the study of hum an hearing, it’s design rigorously tested, and its components Placing the subwoofer near to a room boundary will tend optimized to deli
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is uneven. Some frequencies will sound exaggerated Two tips on using the Low Pass Filter: relative to others, or the subwoofer will sound thin and As a starti ng point, set Low Pass Filter to the 1 o’clock lack impact. The Boundary EQ control allows you to position. This will result in an 80Hz low pass. As the set- compensate for the effects of room boundaries on the ti ng i s typical for most Dol by Digital / DTS applications. frequency response Note: The LFE input bypasses the adjustable 12
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9 8 7 4 Connecting The SW 10II OR SW 12 3 Line Input LFE Low Pass Filter Volume InL Caution: Before connecting the SW 10II OR SW 12 to Out R 40Hz 180Hz Min Max your audi o system, it i s important to unpl ug or turn off Power Hi Level Input Boundary 5 Mode Phase +3dB On 180 0 all AC power connections to connected components Auto 0 -3dB +L--R+ such as receivers, amplifiers, preamplifiers, and proces- 6 sors. Do not plug in or connect the SW 10II OR SW 12 1 subwoofer to AC power until all conne
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•Preamps with Line Out jacks: connect one pair of Line component's speaker output terminals to the L & R Out cables to your main amp to power your main L & R speakers, and a second pair from the sam e output ter- speakers, and a second pair to the SW 10II OR SW 12 minals to the SW 10II OR SW 12's High-Level input. The LINE LEVEL INPUT. If your preamp has only one pair of SW 10II OR SW 12's input does not present a significant Line Out jacks, you can use a pair of "Y" connector load to the recei
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The frequency chart below lists som e terms commonly Fine Tuning the Subwoofer used to describe different bands of the frequency spectrum. Listen to your system and make adjustments The key to good subwoofer / speaker integration is to achieve a seamless blend between your main repeated listening, followed by m aking sm all re-adjust- speakers and the SW 10 ll or SW 12. Four common prob- ments of the subwoofer controls. The most important lems are outlined below. Follow the flow chart to corre
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appropriate type. Operation reinstall the fuse holder We recommend that the SW 10 ll or SW 12 power be left Always replace the fuse with one of the exact same on, which will allow the built-in Auto Mode feature to dis- specifications. able the subwoofer when not in use. Every speaker, has limits, and it's important to listen for SW 10 ll: them. Speaker damage most often results not from brief loud musical peaks, but from sustained high volume lev- For systems operating at 115 volts, use only
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the back of a receiver, integrated amplifier or power Glossary amplifier. Active:Uses electrical power. Midrange:The frequency span in the middle of the audio Amplifier:An electronic device that increases the cur- range, roughl y 180Hz - 3000Hz. Al so used to describe rent and/or voltage of a signal, providing power to the the driver that reproduces these frequencies. loudspeakers (i.e. power am plifier, integrated am plifier, Ohm:A unit of electrical resistance. That which opposes receiver). a
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S p ecificatio n s All Super Series products are sonically matched for seamless integration into multichannel systems. Super Series SB1 SB2 SB3 ST4 SC1 SC2 SW 10 SW 12 Vented / Vented / System Type 2-Way Acoustic 2-Way Acoustic 2-Way Acoustic 3-Way Acoustic 2-Way Acoustic 2-Way Acoustic Powered - 150 watts Powered - 250 watts Suspension Suspension Suspension Suspension Suspension Suspension Class G Amplifier Class G Amplifier Driver Complem ent Tweeter- 1” fluid cooled alum inum dom e tw eeter w
