| www.space-tech-lab.com
Model no: SP-3W4D |
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| 7" woofer x 2 + 5.25" mid-range + 1" dome tweeter three way four driver floor stand speaker system | |||||||||||||||
This
speaker system utilizes super high quality speaker drivers that have
good frequency accuracy and phase coherence over the whole spectrum.
Its precise and specially designed highly efficient crossover network
allows them to work well with amplifier outputs as low as 8.5W (e.g.
300B single-ended) . You will hear unbelievable low frequency regeneration
from this small speaker even at low power inputs. Both drivers have
a very high dynamic range. The tweeter is made with a pure silk wide
dispersion, super light weight dome diaphragm. The voice coil has
a liquid magnet for cooling and damping. (The same design as the Dynaudio
Esotec D-330 tweeter). These speakers are matched for +/-2db accuracy
between left and right. The two 7" woofers are made with specially
coated paper cones and super durable but soft rubber surrounds providing
a very high dynamic range with no noticeable distortion. In our opinion this
speaker compares head to head with those selling in the market for
US$8K-20K . The speaker drivers
are made in Denmark utilizing super rigid die cast frames and a large
64oz magnet for each woofer. The Cabinet is
made from 1" thick MDF to eliminate resonance even when driven to
very high output levels. Same price up-grade
option: The right photo
shows a separate chassis version, which separates the speaker into
two chassis, the upper one contains a 5.25" mid-woofer + 1"
silk dome tweeter (or 2 x 3/4" mylar dome tweeters, becoming
a 5 driver version), the lower chassis contains two 7" woofers,
with this upgrade, you can time align (move the upper one back and
forth) to obtain very high accuracy in the sound stage and focus.
This is our newer design option with the same price as the old version.
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| Specifications | |||||||||||||||
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(Photo shown Brown Gloss Metallic finish) |
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| 1 year labor warranty, drivers under normal operation conditions only | |||||||||||||||