This active version of
the subwoofer
described in last
month's instalment is a
plus for virtually any hi-fi
system. Where the low
cut-off frequency of the
passive version is
around 40 Hz, it is down
to about 20 Hz in the
active subwoofer. With
its integral 240 W amplifier,
it is the answer for
those seeking a realistic
bass foundation for their
system. The more so,
since its building cost is
very reasonable.
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