Velodyne Acoustics SMSTM -1 - Manual (Page 38)

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Digital Drive User’s Manual
EQ Curves. Each preset can have its own unique set of EQ settings. You can select
which preset you want to EQ by either positioning the cursor on a preset column on the
settings screen then pressing TEST, or by selecting the preset you want on the SYSTEM
RESPONSE screen at the PRESET field, or by pressing one of the preset buttons on the
remote.
You will note that presets 1-4 are shipped from the factory with predetermined settings, preset
5’s contour is set at 0 level from the factory and customizable by the user (i.e. flat), and preset
6 defeats all the EQs to demonstrat the effect the equalization of the SMS-1 has on
room response.
NOTE: you can select which preset is invoked at system startup by selecting it as shown:
24. As a final thought on matching your subwoofer to your room, don’t forget the “objective
listening” test. That is, make sure the subwoofer 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 SMS-1 volume in relation to the satellite speakers. An increase of about 5-8
dB is usually adequate. There are three methods to accomplish this:
1. Raise the internal volume control for the LFE out in your surround receiver or
processor, or,