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Phase inverter
ᕇ
It allows you to phase the subwoofer (generally advised) or unphase it.
The right setting is determined by listening and finding the one (matching with the front system)
that provides the most bass.
Adjustable cut-off frequency
ᕈ
An electronic crossover removes medium and high frequencies beyond a point set by the user. The ideal
is to extend the bass frequencies in an even and continuous manner from where the front system rolls
off. In general, a cut-off frequency located between 80 and 100Hz should be suitable for most systems.
This setting becomes more critical when the BombA is used within a high-end hi-fi system.
The idea cut-off frequency will only be found after extensive listening to a wide range of musical.
Warning! Very few recordings possess real bass frequencies. Bass notes such as those found in Rock,
Techno, Ragga music etc. are rarely located within the extreme bass area, but more likely in the high
bass band.
As a consequence, it is recommended to select a cut-off frequency between 100 and 120Hz for these
styles of music. However, you may prefer a lower cut-off frequency for classical music.
It is possible to set the cut-off frequency anywhere between 40 and 160Hz
This adjustment should be made in reference to the listening position and with your preferred type of
music.
For a more precise adjustment, your retailer may use an analyzer (RTA).
Dimensions :
8
A = 12-3/16” - 310mm
B = 14-5/8” - 371mm
C = 6-11/16” - 170mm
L = 18-1/3” - 466mm
BombA 27 V1 User Manual