Velodyne Digital Drive 1812, User Manual

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Digital Drive User’s Manual
24. As a final thought on matching your Digital Drive subwoofer to your room, don’t forget the
“objective listening” test. That is, make sure the unit sounds good to you! Often, you may
want to add a bit more bass than what would normally be considered “flat” even after you
remove the major peaks and valleys to achieve a flat frequency response. This is quite
normal because human hearing “rolls off” rapidly below 100Hz, causing the bass not to
sound as loud. This is the basis for the “loudness contour” switch included on many
receivers and preamps. In order for the bass to sound flat, especially at lower levels, you
may need to increase the subwoofer volume in relation to the satellite speakers. An
increase of about 5
- 8 dB is usually adequate. There are two methods to accomplish this:
1. Raise the internal volume control for the subwoofer in your surround receiver or
processor, or,
2. Raise the volume of your Digital Drive subwoofer after you have finished your room
equalization and other settings. You can observe this difference by watching the
“SYSTEM RESPONSE” graph as you raise the volume.
Of course, all hearing is different, so be sure to perform the above step “to taste”.
Your setup is complete! You are now ready to save settings. You can press the EXIT button
on the remote, or position the cursor over the SAVE/EXIT field on the screen and press select.
The system responds with the following screen: