Pioneer SC-05 Owner's Manual - Page 110
Step 4: Positioning and adjusting the subwoofer, Step 5: Default settings with the Auto MCACC, Setup
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15 Additional information Tip • When adjusting the orientation of the speakers, turn the speakers with the center of the speakers' baffle surfaces as the axis so that the speakers' center positions do not change. Fig. 2 L C R SL SR Step 4: Positioning and adjusting the subwoofer Placing the subwoofer between the center and front speakers makes even music sources sound more natural (If there is only one subwoofer, it doesn't matter if it is placed on the left or right side). The low bass sound output from the subwoofer is not directional and there is no need to adjust the height. Normally the subwoofer is placed on the floor. Put it in a position at which it will not cancel out the bass sound output from the other speakers. Also note that placing it near a wall may result in sympathetic vibrations with the building that could excessively amplify the bass sound. If the subwoofer must be installed near a wall, place it at an angle so that it is not parallel to the wall surface. This can help reduce any sympathetic vibrations, but depending on the shape of the room this could result in standing waves. However, even if standing waves are generated, their influence on the sound quality can be prevented using the Auto MCACC's standing wave control function (page 48). The central axes converge 30 cm (12 inches) to 80 cm (31 inches) behind the listening position. Fig. 3 Center of rotation Rotation Examples of recommended speaker layouts based on the ITU-R (Fig.1) for systems with more than 5.1 channels • For 7.1-channel (or 7.2-channel) systems C L R Tip • Setting the subwoofer with the line connecting the woofer (middle and low frequency reproduction units) sections of the center and front speakers parallel to the subwoofer's front surface achieves a more natural, powerful bass sound. Fig. 4 SW C L R Set the subwoofer parallel to the connecting line. (Note that it will be too close if it is placed directly on the line.) Step 5: Default settings with the Auto MCACC Setup (auto sound field correction) function It is more effective to perform the Auto MCACC Setup (page 10) procedure once the adjustments described above have been completed. SL SR SBL SBR The central axes converge 30 cm (12 inches) to 80 cm (31 inches) behind the listening position. Tip • The distance to the subwoofer may be slightly larger than the distance actually measured with a tape measure, etc. This is because this distance is corrected for electric delay, and is not a problem. 110 En
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