I don’t like scoop or rear loaded horns cabinets because the output from
the front of the driver is out of phase from the output of the horn or
rear of the driver. This causes a dip in the frequency response, which
normally occurs around the 70 to 90Hz range for 15 or 18" bins. It is in
this 70 to 90 Hz range that we hear or feel the kick or speed of the
bass. Most scoop bins have a 3 to 6 dB dip in the response around that
area making the cabinet sound slow and heavy. Scoops lack any real punch
and detail and are very difficult to mix a band on. Bigger scoops with
21" drivers will have the dip lower down at around 50 to 60 Hz and the
dip in response will be less pronounced with the more cabinets you use.
I much prefer folded horns as they do not have this dip and phase
abnormality around the crucial 70 to 90 Hz frequency range. Folded horns
are capable of reproducing the music very accurately and exposing a lot
of detail, detail you would just not hear with a scoop bin. Folded horns
also throw the sound a lot further than scoops. If you walk away from a
scoop bin the sound seems to disappear after about 35 feet, with folded
horns the sound travels a lot further.
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