Amphion Create BaseTwo25 Manual de referência - Página 7
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Front panel controls
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Crossover Frequency
Crossover Frequency control allows you to choose how much of the low frequency range you want the BaseTwo25
to handle. The higher the frequency, the less heavy lifting is required from your main pair of speakers. This will help
to keep the midrange clean, especially at higher SPL levels. A lower crossover frequency setting allows a subtle
add-on of the missing lowest octave(s) to your main speaker without changing the sound character you are familiar
with. As a general rule, the smaller the main speaker, the higher the crossover frequency.
Choosing the right crossover frequency can greatly help in achieving the smoothest low frequency response in
your room. In order to achieve the purest possible signal path, the variable crossover is implemented by switching
between 4 discrete filter configurations. (40 Hz, 60 Hz, 80 Hz and 100 Hz).
PLEASE NOTE! The effects of the crossover setting are easily seen in the travel of the mid woofer. The lower the
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setting, the more bass information is fed to the mid woofer. Higher settings decrease intermodulation distortion as
the mid woofer is freed from the frequencies it struggles most to reproduce.
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Level
The volume level of the low frequency extension provided by the BaseTwo25 is adjusted with the dial on the front
panel of the BaseAmp1200. The right setting depends on your speaker model sensitivity, your room low frequency
absorption, and your personal preference and application. Unlike many other bass systems, the BaseTwo25 can
be run "hot" without it losing its footing due to its precise nature. It is therefore advisable to experiment with bass
level to gain understanding on the level, which leads to good translation.
Tip for finding a balanced setting: Use the Active Button to switch between active and bypass mode to find
a (neutral) setting where the low frequency response is extended, but not exaggerated by the Base system.
Tweak to taste as needed.
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