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8 TRUTH B2031A/B2030A User Manual
Fig. 3.2: Correct speaker setup
This eect can be reduced by turning the speakers towards the listener. To make
reections from ceiling or oor less likely, the tweeters should be on the same
height as your ears. Please note that the TRUTH should be operated vertically.
Where this is impossible, place it horizontally as shown in gure 3.3, to allow for
an improved stereo image.
Fig. 3.3: TRUTH setup horizontally
Not only the physical location of speakers but also the acoustic characteristics
of the room have a substantial eect on the way your TRUTH sounds. Make sure
that the room neither sounds too hall-like nor too dull-basically, neither like a
bathroom nor totally without an echo. You can alter the room acoustics easily by
installing or removing carpets, curtains or furniture. Fabric covering on the wall
opposite the speakers might be a good idea if the room is too reective. The next
chapter describes how to adapt the TRUTH to the room acoustics, once it has been
set up properly.
3.4 Adapting the TRUTH to the room acoustics
This chapter describes how you can use the switches on the rear of the
B2030A/B2031A to adapt the speaker to the acoustics of your control room.
However, you should try to improve a potentially impaired sound by optimizing
the loudspeaker placement beforehand.
Fig. 3.4:
FREE FIELD CORNER
WALL
0 dB
-2 dB
-4 dB -6 dB
WIDE
NARROW
Rear panel legending
If you are still having problems, you could try the following: The ROOM
COMPENSATION switch (9) allows you to lower the bass range, depending on
the speaker position. Ex-factory, the switch is set to a neutral position. If you’ve
set up the TRUTH close to the wall or in a corner, try reducing the low-frequency
level in steps of 2 dB. Since every room and speaker setup are unique in their
acoustic properties, we cannot provide more specic information here. The same
applies to the HIGH FREQUENCY switch (10), which determines the tweeter level
(between+2 dB and -4 dB). Here too, the best setting depends on the room
acoustics. If you have an additional subwoofer installed, you can attenuate the
TRUTH’s lower cuto frequency using the LOW FREQUENCY switch (8). This can
be necessary when adapting the TRUTH to your subwoofer. Trust your own aural
instinct, but don’t forget: Listening at high volume levels over long periods
leads to listening fatigue and thus reduces your ability to judge the sound.
Consequently, we recommend regular pauses to keep your hearing “healthy”.
As a general rule, you should set up and adjust the TRUTH with great care.
Aboveall, you should take your time: unlike hi- speakers, the B2030A/B2031A is
tuned to produce a neutral sound, which can be confusing when you are working
for the rst time with such a high-quality speaker. Don’t try to adjust the TRUTH
with its rear panel switches to produce a “bombastic” sound that impresses
you or other listeners. To get a feeling for the TRUTH’s sound, you should listen
to as many records as possible that were produced in other studios. We also
recommend that you listen to your own recordings over as many other systems as
possible, for example, your car system. If you nd that your mixes are somewhat
"dull" in their overall sound, the reason might be too much treble from your
TRUTH. On the other hand, if you set the bass level too high, you will nd that
your mixes lack bass power. Tuning a speaker can take several days’ time, so once
again: take your time!
It might be necessary to insert an equalizer between console and speaker,
in particular, if you prefer extreme setups or sound images. The BEHRINGER
ULTRACURVE PRO DEQ2496 has proven its usefulness in practice, as it is not
only a simple equalizer but also features a real-time analyzer. You can use our
measuring microphone ECM8000 to automatically adapt the TRUTH to your room
or modify its frequency response.