after 8 years BR, CL
until 1982 i constructed a lot of horns:
Let me start by stating the obvious: when you call out something
to someone, you automatically form a funnel with your hands.
This is what makes the difference, in sound and size, between a
trumpet and a bass tuba.
A horn is an acoustic transducer which transforms the small
membrane area of the horn driver to the considerably larger
area of the hornmouth.
It can give a sound improvement of ten dezibel !
With horns, the best pulse performance, minimum distrotion and
maximum effectiveness are possible with a low level of membrane
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