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Description

Sundown Audio X-12 v.3 D2

Designed with an extended pole piece and an incredible four inches of peak-to-peak excursion, the X v.3 is engineered for ultra-deep bass and high power handling. Engineered to set a new standard in the low-frequency/small-ported-box subwoofer category, the X Series can also work in up to a 50% larger enclosure if you desire even more low-end extension.The X v.3 series differentiates itself with its incredibly linear suspension, ensuring the lowest level of bass extension in a small enclosure while maintaining extremely low levels of distortion. Notably, the v.3 series features a much larger motor structure (220mm vs. 190mm on the v.1 series), improved motor ventilation, and an all-new Mega-Roll v.2 surround, providing a more linear and rugged update to the world-famous Mega-Roll v.1 surround design.


Specifications

T/S SPECS X V.3 12″ D1 X V.3 12″ D2
RE (Ohms) 1.4 3.2
FS (Hz) 37.098 37.235
VAS (L) 12.986 17.077
Qes 0.486 0.543
Qms 2.597 2.779
Qts 0.409 0.454
Le (mH)
BL (NA) 15.943 19.857
Mms (Grams) 378.626 285.817
Cms (uM/N) 48.611 63.922
Sens (dB @ 1w/1m) 83.2dB 84.0dB
Xmax 30mm 30mm

Enclosure Specifications
X v.3 12
Sealed Enclosure N/A
Ported Enclosure 2.5 cu ft
Recommended Tuning 32hz
Recommended Port Area 40 sq in
Displacement 0.2 cu ft
Depth 10.4″
Outside Diam. 12.68″
Cutout 11.09″

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Questions and Answers

Q1: Is the Sundown Audio X-12 v.3 D2 a subwoofer or a speaker?

A1: It is a true subwoofer, designed specifically for deep low-frequency bass, not mids or vocals.

Q2: What does D2 mean in X-12 v.3 D2?

A2: D2 means dual 2-ohm voice coils, allowing wiring options such as 1 ohm or 4 ohm, depending on amplifier requirements.

Q3: Can this subwoofer be used in sealed and ported enclosures?

A3: Yes. The X-12 v.3 D2 is optimized for both sealed and ported enclosures, giving flexibility in system design.

Q4: Is this subwoofer suitable for SPL systems?

A4: Yes. The X-Series v.3 is built for extreme excursion and high power handling, making it ideal for SPL and loud daily bass systems.

Q5: What amplifier is recommended for the X-12 v.3 D2?

A5: A high-quality mono Class-D amplifier matched to the subwoofer’s RMS power rating and final wired impedance is recommended.


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