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MTX Thunder8000 T8124

12" Component Subwoofer

Item # 236T8124

MTX put some serious bark into the woofers in the competition-level Thunder8000 T8124 12" subwoofer.

MTX put some serious bark into the woofers in the competition-level Thunder8000 T8124 12" subwoofer.

Discontinued item

Item # 236T8124

About the MTX Thunder8000 T8124

MTX put some serious bark into the woofers in the competition-level Thunder8000 T8124 12" subwoofer. You might even be tempted to use the powerful magnet for your workouts — it checks in at a monstrous 102 ounces!

MTX put some serious bark into the woofers in the competition-level Thunder8000 T8124 12" subwoofer. You might even be tempted to use the powerful magnet for your workouts — it checks in at a monstrous 102 ounces!

These 12" subs work overtime to dissipate heat and minimize distortion with a four-layer 2-1/2" high-temperature voice coil, an incredibly rugged die-cast aluminum basket, and a heavy-duty NBR (Nitrile Butadiene Rubber) surround.

If planet-pounding bass is your desire, MTX Thunder8000 T8124 subs will take you there.

Details:
  • asymmetrical linear drive system (ALDS) — spreads stress evenly across the suspension for high output with low distortion
  • injection-molded cone has 12 stiffening ribs for extended power handling
  • one-piece gasket/surround made of thermal-pressure-formed Nitrile Butadiene Rubber (NBR) for superior sonic accuracy and greater overall durability
  • extended pole piece for a more symmetrical magnetic field and smoother sound
  • computer-optimized five-roll spider design combines extreme excursion with exceptional linearity, for maximum output and minimum distortion
  • die-cast aluminum basket resists sound-altering resonance without pulling electromagnetic energy from the magnet as a steel basket can
  • heavy-duty, gold-plated push-type speaker terminals provide extra-secure connections, ensure maximum signal integrity, and resist corrosion
  • frequency response 23-150 Hz
  • power range 50-400 watts RMS
  • peak power handling 1000 watts
  • sensitivity 85.8 dB
  • top-mount depth 5-1/2"
  • sealed box volume 1.0 cubic feet
  • ported box volume 2.0 cubic feet
  • 1-year warranty

What's in the box:

  • 1 woofer
  • 4 sections of self-adhesive foam gasket material
  • Features/Specifications sheet with enclosure size information
  • Warranty card/survey
  • MTX decal.
MFR #T8124

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Pros:

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Crutchfield response

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Features
Specifications

Features

Cone Cosmetics and Materials: The woofer cone is made of injection-molded silver-colored poly with 12 stiffening ribs for improved cone stiffness and higher mechanical power handling; the ribs increase cone durability and performance.  Concentric rings are molded into the cone and dust cap surfaces to give them a machined appearance.  "MTX Audio" is embossed on the poly dust cap.

12-leg Die Cast Aluminum Basket: The basket was built with the strength and stiffness required to handle the demands of enormous bass without flex or distortion.

Oversized Magnet Structure: This woofer has an oversized magnet structure, made with a 102 oz. Strontium Ferrite magnet.

NBR Rubber Surround: The woofer is made with a one-piece NBR (Nitrile Butadiene Rubber) surround and gasket combination.  When bottom-mounting the woofer, the one-piece surround and gasket make an air-tight seal, to prevent any loss of performance due to air leaks around the woofer.  When the woofer is top-mounted, the one-piece surround and gasket combination enhances the overall cosmetic appearance of the woofer.  NBR has the added benefit of being resistant to ozone and UV rays for extreme durability. 

Computer Optimized Progressive Roll Spider (COPR):  A "five roll" spider design is used to maximize the linear region of the speaker's movement.

Four-layer Voice Coil: A 2.5" four-layer voice coil is used for higher power handling.

Spider Plateau Venting: Small vents are located around the base of the frame near prevent hot air from being trapped between the spider and the back plate. The vents help cool the voice coil to increase power handling and reliability.

Asymmetrical Linear Drive: This system improves linearity and permits high output with low distortion.

Extended Vented Pole Piece: The extended vented pole piece provides a more symmetrical magnetic field.

Spring Post Inputs: The inputs are spring post connectors that will accept bare wire, tinned wire or wire terminated with pin connectors.

Enclosure Compatibility: This woofer can provide extended bass in sealed, vented and bandpass enclosures (see below for more information on enclosures).

Specifications

Recommended Sealed Box Volume: The sealed box sizes recommended by MTX range from 1.0 cu/ft to 2.0 cu/ft.  The sealed enclosure MTX highlights on their spec sheet is a 1.0 cu/ft enclosure, so this is the enclosure recommended by Crutchfield.

Vented Box Volume: The vented box sizes recommended by MTX range from 2.0 cu/ft to 3.0 cu/ft.  The vented enclosure MTX highlights on the woofer specification sheet is a 2.0 cu/ft enclosure, so this is the enclosure recommended by Crutchfield.  A 4" diameter x 18" long port should be used with a 2.0 cu/ft enclosure; a 2.0 cu/ft enclosure with a 4"x 18" port is tuned at 30 Hz.

Single Reflex Bandpass Volume: The bandpass box sizes recommended by MTX range from 1.4 cu/ft to 2.39 cu/ft.  MTX highlights two bandpass enclosures on the woofer specification sheet.  One highlighted enclosure has an "S" value of 0.5, and the other highlighted enclosure has an "S" value of 0.6.  The highlighted bandpass enclosure with an "S" value of 0.5 is a 1.59 cu/ft enclosure, with a sealed chamber volume of 0.45 cu/ft, a vented chamber volume of 0.85 cu/ft and two 4" diameter x 12.75" long ports.  The enclosure with an "S" value of 0.6 is a 2.0 cu/ft enclosure, with a sealed chamber volume of 0.54 cu/ft, a vented chamber volume of 1.22 cu/ft and two 4" diameter x 9.5" long ports.

Note: The bandpass enclosure with the higher "S" value produces a more narrow bandwidth with better transient response; the enclosure with the lower "S" value produces a wider bandwidth at the expense of transient response.

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