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lot of speaker for the money. In
terms of performance, the compe-
tition at this price level gets pretty
intense, so they’d better sound
flippin’ awesome, too.
What exactly do you get for the
money? The BP7000
SC is tall, stand-
ing 52.5 inches high, but the 8.9-
inch width and 16.6-inch depth
mean that it takes up only a bit
more than a square foot of floor
space. You might worry that such
a tall, slender speaker would be
unstable or easy to knock over.
Fear not: The BP7000
SC’s 100-
plus pounds keep it locked solidly
in place, whether you use feet or
spikes (both are included). Here’s
a tip: Lest you want to risk being
nailed to the floor like the silver-
masked opponent who battled
Maximus in
Gladiator, be careful
when you move the BP7000
SC with
the spikes in place. Your best bet
is to position the speaker first and
then install the spikes. In trade-
mark Def Tech fashion, a sleek,
black sock covers the BP7000
SC’s
private parts, except for the
exposed back panel, which con-
tains the speaker connections,
LFE input, subwoofer volume con-
trol, and amp-cooling vanes. The
usual hard-edged end caps are
replaced with gorgeous, softly
sculpted ones. Even though it’s a
modest design change, it makes
quite a difference, giving the
speakers a much more-prestigious
look. On the other hand, while the
spikes certainly do the job, they’re
a little wimpy compared with the
rest of the speaker.
The mirror-imaged, bipolar
BP7000
SCs include powered
subwoofers. Although a 1-inch
aluminum dome tweeter and two
6.5-inch bass/midrange drivers
reside on both the front and back
of the tower, the front and rear
drivers use separate and different
types of crossovers. The BP7000
SC
is designed to achieve more-linear
frequency- and phase-response
curves and to be easier to drive
with most amplifiers. The sub-
woofer section in each BP7000
SC
is the equivalent of a Def Tech
SuperCube Reference subwoofer.
One 14-inch long-throw SuperCube
active woofer is mounted in the
tower’s relatively acoustically
small lower section, along with
two 14-inch passive drivers. An
1,800-watt digitally coupled Class D
amplifier powers the trembling
trio. The SuperCube technology is
one of the latest and, in my opin-
ion, most successful methods of
producing prodigious amounts of
bass in a small enclosure. Just to
give you an idea of what a leap
this is, Def Tech’s previous top-
of-the-line BP3000
TL incorporates
a single 18-inch woofer with a
1,000-watt amp. Don’t think that
hooking up such a beast is a prob-
lem or requires special expertise.
You can get all of the benefit of
the bipolar technology and the
Definitive Technology BP7000SC SuperTower Speaker System
HT Labs Measures: Definitive Technology BP7000SC SuperTower
Speaker System
This graph shows the quasi-anechoic (employing close-miking of all woofers)
frequency response of the BP7000SC L/R (purple trace), C/L/R3000 center
channel (green trace), and BPVX/P surround (red trace). All passive loud-
speakers were measured at a distance of 1 meter with a 2.83-volt input
and scaled for display purposes.
The BP7000SC’s listening-window response (a five-point average of
axial and +/–15-degree horizontal and vertical responses) measures
+2.50/–3.64 decibels from 200 hertz to 10 kilohertz. The –3dB point is at
22 Hz, and the –6dB point is at 21 Hz. Impedance reaches a minimum of
2.92 ohms at 424 Hz and a phase angle of –37.82 degrees at 154 Hz.
Sensitivity averages 91 dB from 500 Hz to 2 kHz.
The C/L/R3000’s listening-window response measures +2.39/–1.43 dB
from 200 Hz to 10 kHz. An average of axial and +/–15-degree horizontal
responses measures +2.73/–1.65 dB from 200 Hz to 10 kHz. The –3dB
point is at 37 Hz, and the –6dB point is at 33 Hz. Impedance reaches a
minimum of 2.16 ohms at 310 Hz and a phase angle of –33.93 degrees at
170 Hz. Sensitivity averages 93.5 dB from 500 Hz to 2 kHz.
The BPVX/P’s three-face averaged response measures +3.42/–3.02 dB
from 200 Hz to 10 kHz. The –3dB point is at 38 Hz, and the –6dB point
is at 35 Hz. Impedance reaches a minimum of 2.73 ohms at 457 Hz
and a phase angle of –47.74 degrees at 224 Hz. Sensitivity averages
91 dB from 500 Hz to 2 kHz.
—AJ
Definitive Technology BP7000SC SuperTower Speaker System
HIGH-PERFORMANCE THEATER
“Gorgeous, softly
sculpted ...
a much more
prestigious look”
“SuperCube tech-
nology is one of
the latest and,
in my opinion,
most successful
methods of pro-
ducing prodigious
amounts of
bass in a small
enclosure”
“You’ll be instantly
smitten with the
life and energy
(and bass) that
come from the
BP7000SCs”
“From a value
standpoint, the
BP7000
SCs are
large, bipolar
speakers with
beautiful aesthetics
and the equivalent
of two steroidally
enhanced, powered
subwoofers”