Audiophile Wicked One
32 inches wide x 24 inches deep x 13.5 inches
high. Weight is aprox. 75 lbs.
The WO32 subwoofer
brings musical truth to bass in a way that all discerning audiophiles
To listen to it once is to understand the definition of speed.
Dual Folded Horn using two ten inch sub
This is a high performance solution to the
slow, colored, boomy bass found in so many store bought subwoofers.
Plans are available for this cabinet.
Cabinets are available both finished and
unfinished. We recommend our DHM-108 sub
woofers for this cabinet.
This enclosure, designed by Steve Deckert in
the early 1990's, has some unique features. It is actually two folded
horns sharing the same mouth. By sharing the same mouth it was possible
to reduce the cabinet size by approximately half what it otherwise
would have needed to be. Each horn flare has a total length
exceeding 5 feet, yet the cabinet size is only 24 x 32 inches!
Since the design uses two matching 10 inch
subwoofers it can be wired in stereo or mono. It is constructed of
dense 3/4 inch MDF with a removable top. The woofers are easily
removed with two screws thanks to an interlocking baffle.
Available in any stage of completion with or
without woofers. The woofers used in this design are our DHM-108
8 ohm 10 inch subwoofers. They are suitable for high power
applications up to 250 watts. They also have a good efficiency of
90 + dB with 1 watt so they also respond well to lower power
The cabinet can use 1/2 inch or thicker
glass in place of the lid. With a good gasket to seal between the glass
and the cabinet, it can be used as a coffee table for home theater.
It can also be used without the lid by flipping it over on a 1/2
pile carpet with pad. The floor becomes the lid at that point and
seals up the box. The Q-Loss through the carpeting creates an
action similar to a varo-vent allowing the box to breath. Direct
coupling to the floor through carpet raises the efficiency, lowers the
cut off frequency, and offers the richest sound.
With the lid installed, the sound becomes
tighter and the box can then be placed vertical or horizontal for
more placement flexibility.
1/2 of cabinet shown
Many audiophiles have used this sub because
it has the speed and control of a horn many times it's size but with
normal efficiency. It also launches a far more organized wave
front of greater size than is possible in a sealed or ported box
design. It is popular with electrostat owners and people with
small horn loaded and or high efficiency drivers like Lowther and
AMPLIFICATION and CROSSOVERS
Recommended amplification is between 90 ~ 500
watts. Impedance is 8 ohms per side or 4 ohms in parallel (mono).
Active crossover is recommended and should be set between 40 Hz ~
90Hz. The W032 is a bass design only. It will not
work at higher crossover points.
Shown above is a small plate amp installed
into the rear of the cabinet. We do not offer the box this way
because in order to fit a plate amp in this location it must be small
limiting its power to 100 watts or less. Fine with low power tube
gear at very modest listening levels but that's about it. We
recommend you use a stand alone sub amplifier. An inexpensive but
reasonably good choice would be the:
Dayton HPSA1000-R 1000W Rackmount Subwoofer Amplifier
from Parts Express.
This cabinet design employees two series of
conical tapers that are mirror imaged and combined into a rapid flare
resulting in a wide angle discharge.
Sharing the mouth of this horn between two
conical tapers effectively gives you two horn flares each over 5 feet
in length that fit into a box only 24 x 32 inches.
While this design is a variation of the
original wicked one, it is different in that the driver directly loads
the horn flare which has been lengthened. The original wicked one
cabinet was larger in size and used two band pass boxes where the horn
flares were used in place of ports.
An obvious difference between the
WO32 flare design and a more conventional horn is that the taper
shrinks to a point. Sometimes called a tapered pipe. The woofer
is loaded on the sidewall of the taper firing directly into the
adjacent surface less than 1 inch away. This technique over-dampens the
woofer resulting in a flatter impedance curve, excellent power
handling, and better linearity within its operating range. The
typical air space between the cone and throat has been reduced
dramatically. This creates a direct linear relationship between
the air in the horn flare and the woofer driving it.
The WO32 design employees a lot of angles and
must be built exactly to work properly. To this end, we have created an
actual size layout template and printed set of plans. These plans are
not available without the blueprint.
Blueprint template for WO32 w/ plans
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DHM-108B is the recommended woofer for this box
Decware is a trademark of High Fidelity
Copyright © 1996 1997 1998 1999 2000
2001 2002 2003 2004 2005 2006 2007 2008 2009 2010
by Steve Deckert