Radio Shack Sound Level Meter Owner's Manual page 18

33-2050.fm Page 18 Monday, April 17, 2000 2:04 PM
Depending on the speaker placement,
standing waves might also develop in the
room, giving your system a "peaky", ec-
centric response.
To determine a room's acoustics, analyze
the acoustics with your meter and a suit-
able test recording. The test recording
should produce pure tones, one at a time,
at intervals spanning the audio spectrum.
Make a graph or table showing the sound
levels generated by the individual tones.
This gives you a clear idea of the frequen-
cy response of your "total system"—home
theater equipment and room included.
To smooth out the response, adjust the
tone controls and vary the speaker place-
ment. To approximate the ideal, "flat re-
sponse", you could add a frequency
equalizer to your home theater system.
Your local RadioShack store carries fre-
quency equalizers that let you boost or cut
response in different ranges, as indicated
by your frequency response analysis.
Properly equalized, your system can
sound like one costing considerably more!
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