Soundstream T7, T7.154, T7.152 Specifications
T7.154
T7.152
2 Ω to Amplifier
1 Ω to Amplifier
1 Ω to Amplifier
2 Ω to Amplifier
Specifications & Enclosure
Recommendations
Over the years, the Tarantula subs have encountered
many changes. For 2012, we are getting back to basics.
No foo-foo, pretty parts that have no performance value.
T7 is all about performance, period. From the High BL
motor, to the heat extracting aluminum dust cap, to the
lumpy cone, all the parts make sense and have a purpose. So, if you want to pay extra money for a pretty
chrome or plastic shrouded woofer, go to the swap meet.
If you want your money to pay for sheer performance,
T7 is for you!
Congratulations on your new Soundstream sub-woofer purchase. We
greatly appreciate your business. This may look like a run-of-the-mill
cardboard box, but it’s actually a protective barrier over one of the
finest engineered and assembled sub-woofers available.
Harmonic Indulgence… Listen and Feel
Features, Parameters, & Dimensions
Non Pressed Paper Pulp Cone
Aluminum Heat-sink Dust-cap
8ga. Compression Wire Terminals
2.5” 430
0
Coil on Aluminum Former
Die-Cast Aluminum Frame
Polyether Foam Surround
Dual Poly-Cotton Suspension Spiders
170oz. Strontium Ferrite Magnet
Vented T-Yoke Back-plate
Re-cone Kit Available
series wired T7.152 T7.154
Fs (Hz) 26.64 29.22
Qms 5.38 0.522
Vas (ft³) 3.773 3.649
Cms (mm/N) 0.109 0.106
Mms (g) 327 284.8
Xmax (mm) 15 15
Xmech (mm) 22.5 22.5
Piston Diameter (in) 12.79 12.79
Sd (in²) 128.6 128.6
Qes 0.53 0.65
Re (Ω) 3.83 7.22
Z (Ω) 4 8
BL (Tm) 19.98 24.05
Rms Power (watts) 900 900
Qts 0.48 0.58
NO (%) 0.367 0.382
1w/1m SPL (dB) 87.73 87.77
Voice Coil Diameter (in) 2.50” 2.50”
Impedance (Ω) DVC 2 DVC 4
M-vd (ft.
3
) 14.000 14.000
Overall Diameter (in) 15.5” 15.5”
Overall Height (in) 8.50” 8.50”
Mounting Depth (in) 7.825” 7.825”
Cutout Diameter (in) 14” 14”
Flange Width (in) 0.75” 0.75”
Flange Height (in) 0.75” 0.75”
Weight (lbs) 28lbs. 28lbs
Soundstream does not provide enclosure dimensions as there are
infinite variables when designing a box, i.e. vehicle, amplifier, music
preferences, etc… For designs tailored to your specific needs, please
contact us at tech-support@soundstream.com, or 1-800-724-1377.
Enclosure Dimensions
All enclosures should be made of .75” (3/4”) material only. When
possible, make the baffle 1.5” (1 ½) thick and add .75” (3/4”) to the
depth of the enclosure to compensate. All volumes INCLUDE vent/
port and subwoofer displacements. DO NOT change the volume
unless you plan on adding a substantial amount of bracing. For
added performance, applying a coat of fiberglass resin to the interior
walls will greatly improve sealing the enclosure. Adding a thin layer
of poly-fill will improve response by smoothing out reflections
within the enclosure. Please see last page for woofer wiring diagrams.
Enclosure Construction
Enclosure Recommendations
T7.152 Ported T7.154 Ported
Cubic
Feet
Port
Diameter
FB
( Hz)
F3
(Hz)
Cubic
Feet
Port
Diameter
FB
(Hz)
F3
(Hz)
Min. 3.00 (2)3”x9.75” 34.3 31.3 3.00 (2)3”x10” 34 32.1
Opt. 4.00 (2)4”x15.75” 32.1 28.5 4.00 (2)4”x15.75” 32.1 28.9
Max. 5.00 (2)4”x13” 30.2 26.8 5.00 (2)4”x13” 30.2 26.3
T7.152 Sealed T7.154 Sealed
Cubic
Feet
Q T C Tuning (Hz)
Cubic
Feet
Q T C Tuning (Hz)
Min. 1.50 0.914 44.3 1.50 1.079 44.1
Opt. 2.00 0.812 42.3 2.00 0.961 41.1
Max. 2.50 0.749 41.6 2.50 0.887 39.6
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