VT X A12 | User Manual
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11.4 - FILTER 3 - HF THROW DISTANCE COMPENSATION
Filter 3, along with gain shading, is used to correct for distance offsets between different sections of an array. The Type,
Frequency and Q parameters are linked across the entire array, but the Gain parameter is adjustable per circuit group.
This filter can be used to reduce HF energy close to an array and increase HF energy to areas further away, where air
absorption has a bigger impact.
11.5 - FILTER 4 & 5 - USER PEQ 1 & 2
Filters 4 and 5 are User PEQs, which can be applied to individual circuit groups. The Frequency and Q parameters are
not linked across circuits and, for this reason, it is recommended that User PEQ 1 & 2 are used only for moderate gain
changes of frequencies above 1kHz.
11.2 - FILTER 1 - ARRAY SIZE COMPENSATION
Filter 1 is used to correct for LF/MF buildup when the array size/shape differ from that for which the factory preset
was designed. LF adjustments should be applied to all cabinets within the array: therefore, filter 1 is automatically applied
globally. Filter 1 is a continuously variable low-shelving filter, and its parameters (corner frequency and slope) are adjust-
ed based on the applied gain value. Array buildup is different for each configuration, and Filter 1 is optimized to correct
for this effect using only one parameter (Gain).
11.3 - FILTER 2 - ATMOSPHERIC ABSORPTION COMPENSATION
Filter 2 is used to compensate for atmospheric conditions due to large variations in temperature and humidity, which
can have an impact on overall HF energy. Filter 2 is applied globally and can be used to quickly brighten or darken an
array. This filter can also be used for artistic purposes to adjust overall system tonal balance.
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