KlipschCaseStudy 2 | Biblioteca audio auralex

Low Frequency Results: Figure 6 shows very low frequency

Conclusions

room would result in inaccurate imaging, comb filtering and

comfortable and usable.

response is much smoother after the addition of all twelve

Figure 5 - Time Response After ELiTETM

listening environment; especially considering that it will be

sound, causing an image shift. Listening in the untreated

measurements at the listening position from 20 to 50 Hz a

2 Time response measurements cited used a TDS signal spanning the 2000 Hz octave band.

used to evaluate prototype home theater loudspeakers.

acoustically imperfect room into a room that is acoustically

where a subwoofer can be evaluated. This is the low

they can be quite effective indeed!

myriad other psychoacoustic problems. In short, the sound

untreated room a modal unevenness. The low frequency

Acoustical Treatment System and the low frequency control

response2 measured at the listening position for the room

reflections within 50 milliseconds, but only about 6-7 dB

The completed Klipsch Home Theater Demo Room is a great

Figure 4 for easy cross-reference. The listening experience

cursor. It is arriving at the listening position with other

listening experience. While some may be skeptical of the

Test Results

Figure 4 - Time Response Before ELiTETM

frequency equivalent of "removing" the room from the

you would hear would contain too much "room."

Figure 6 Very Low Frequency Response (Before and After)

provided by the MegaLENRDs has turned an otherwise

before treatments. Note the reflection marked with the

major concern for Klipsch engineers evaluating subwoofer

performance. The red "Before" curve shows the effects of an

and other acoustical anomalies. The combination of the ELiTE

For more information about Klipsch products and service www.klipsch.com.

Sound reproduction is free of flutter echoes, bass "ringing"

in the Klipsch Home Theater Demo Room have shown that

Mid and High Frequency Results: Figure 4 shows the time

Figure 5 shows the time response after ELiTE treatments are

completely installed. Note the reduction of early reflections.

MegaLENRDs shown by the blue curve. This provides the

post-treatment is free of any distracting acoustical anomalies.

The cursor has been placed at the same arrival time as

For more information about Auralex products and services www.auralex.com.

lower than the direct sound. This interferes with the direct

listener with a "tight," less "muddy" bass an environment

effects foam "traps" can have at low frequencies, the testing