Yamaha NS-A1738 Owners Manual - Page 3
Recommended, Speaker, Placement
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SPECIFICATIONS: NATURAL SOUND HOME THEATER ENTERTAINMENT SPEAKERS RECOMMENDED SPEAKER PLACEMENT Model Type NS-A1738 4 Way Bass Reflex, Narrow Tower Speaker Woofer 15" Side Firing Long Throw, Polymer Coated 6 1/2" x 2 Glass Filled High Mid-Range Compliance Cloth With Inverted Dust Covers. Tweeter 1" Glass Filled Cloth Dome NS-A1638 4 Way Bass Reflex, Narrow Tower Speaker 12" Side Firing Long Throw, Polymer Coated 5 1/4" x 2 Glass Filled High Compliance Cloth With Inverted Dust Covers. 1" Glass Filled Cloth Dome Frequency 30 Hz - 20KHz (±3dB) Response Crossover 850Hz, 4KHz, 7KHz Frequency (12db/octave) 35 Hz - 20KHz (±3dB) 1.5Hz, 5KHz, 7KHz (12db/octave) Recommended Minimum, 10 Watts Amplifier Power Maximum, 240 Watts Minimum, 10 Watts Maximum, 200 Watts Sensitivity 89 dB/W/M 88 dB/W/M Nominal Impedance Key Features 6 Ohms • High Power Handling • Magnetically Shielded • Multi Chambered, Internally Braced Cabinet • Slim Design • Gold Plated 5-Way Binding Posts and Jumpers • Bi-Amp Capable Net Weight 56 lbs. 8oz 6 Ohms • High Power Handling • Magnetically Shielded • Multi Chambered, Internally Braced Cabinet • Slim Design • Gold Plated 5-Way Binding Posts aail-4iImpers • IA-Aar-Gapatile 46 lbs. 8 oz Accessories 10 Feet x 2 Speaker Cable 10 Feet x 2 Speaker Cable Please remember that although these recommendations generally apply, all rooms and listening environments are somewhat unique, so some experimentation with the speakers might be necessary. Remember, what sounds best to you is correct. 1. Select a couple of your favorite recordings to use while you optimize the speaker placement. Each time you move the speakers to a new position, note the changes you are hearing and write down the position of each speaker. The speakers are labeled on the back panel left & right. This placement will have the subwoofer drivers facing outward, away from each other. The speakers should be placed a minimum of 5' - 6' feet to a maximum of 10' - 12' feet apart. Keep the speakers away from the side walls and corners if possible. 2. These speakers can be placed very close to the rear wall. (3" to 6"+). This placement allows the optimum loading of the subwoofer driver for proper bass performance. However, if the bass is too heavy for your room, move the speaker an inch or two farther out from the rear wall. Note the sound difference in the new position and experiment. 3. Using a measuring tape, measure the distance between the speakers. Make sure they are parallel to one another. Now move the speakers about 1" either toward or away from each other. Play the same selected recordings and note any differences in the sound stage, depth and imaging. Evaluate whether the overall performance is better to you. Continue to move the speakers, evaluating them each time they are moved. Continue this process until you have determined the best balance of sound stage, depth and imaging. (optional set-up) 4. It is possible to position the speakers with the subwoofers facing inward. Facing the subwoofers inward will vary the sound somewhat and which position is best will vary with your room. Inward facing subwoofers will need experimentation to determine the best position for the speakers. Again follow steps 1-3 with special attention to step 3 with regard to bass performance as well as sound stage, depth and imaging. 5. The speakers should not be placed within 8" on either side of side walls, TV's or any other solid structures. These speakers feature a magnetically shielded design, but there is still a chance that placing them too close to a TV set might cause interference or distortion of the TV picture. Should this happen, place the speaker farther away from the TV set. i 3"- 6" FROM REAR WALL _i REAR WALL p T E A K E R MINIMUM OF 8" TV SET H S P // E A / K E 7/ R MINIMUM OF 8" Specifications subject to change without notice due to product improvements. 3.