Why are you trying to get sub 20Hz in your room in
order to play Bruckner's symphonies or anyone else's? The orchestral bass goes
down to the mid 30s Hz limit nearly an octave above 20Hz. The only exception
would be large pipe organ where the lowest note is 16Hz. Bruckner's crescendos
are weighty not only because of the massed forces but also the relatively low
frequency range of the trumpets he used (in F not C) and the way he
orchestrated the brass and strings. The lower range instruments have more overtones
in the audible range and therefore fill up the soundfield. The slow tempos also
help increase coherent reverberations. Mahler and Richard Strauss use the brass
and horns in more varied fashion and are more contrapuntal in the scoring. |
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