B² Audio Rampage12

€1,200.00
Tax included

Rampage Series

Impedance
  • D1 - Dual 1Ohm
Quantity
estimated delivery time 5-7 days

RAMPAGE XM

2012 had the seeds planted for the RAMPAGE. A direct derivate from the legendary & innovative X2C subwoofer with a 5″ voice coil. Although the RAMPAGE XM is based on a 4″ coil platform, its performance will not stand in the shade of its heritage. In many ways, it pushes the boundaries even further. The new basket offers better cooling with improved SAFT (Smooth Air Flow Tech) & has the ability of offering even more XMAX than the previous basket . 3.15″/ 80 mm peak to peak handled by the 315 mm / 12.4″ spiders , that are amongst the largest you will find on any traditional 15″ subwoofer (without the use of adapters), in addition the new basket offers a triple landing so you can customize the stiffness and spider size to your application.

OCAF

OCAF version II (Optimized Cooling And Flow) implemented in the new motor design has adapted the large flares from the X2C’s backplate. In addition the pole piece features a dual cooling system that leads the air more efficiently away from the voice coil. Even though the internal diameter of the coil is 4″, the outer diameter of 4.33″ makes this coil a widebody, coupled with an 8 layer tall winding, this design is made for daily torture or demo days!

The RAMPAGE XM’s motor keeps the same 11″ diameter as previous XM subwoofers, but the triple stack ferrite slugs are increased by 25%. Still we are able to keep the entire height of the motor to a mere 10% more than 2nd gen XM. With the longer Xmech, the added 10% comes into play.

Stiffness

Another tool was made for the XL composite dustcaps with embossed B2 logo. The half spherical design with wider wedges stiffens up the cone, offering greater stability, and helps keep that transient response tight. So when the bass drops its on point. Using a slightly wider strech foam surround there’s less mechanical parts that will limit your stroke.


Rampage12

Data sheet

Specifications
RAMPAGE12
Subwoofer Size
12"
Frequency Response
10Hz - 500Hz
Sensitivity
87.8 dB
DC Resistance (Re)
0,9Ohm
Resonance Frequency (Fs)
34.6 Hz
Power Handling
3000 Watt
Peak Dynamic Power Handling
12000 Watt
Mechanical (Qms)
7.21
electrical Q (Qes)
0.55
Total Q (Qts)
0.511
equivalent volume (Vas)
9.7 L
Moving mass (Mms)
635 g
Magnet Weight
1100 Oz
displacement
10.22 L / 0.361 cu.ft
voice coil diameter
4" (101.6mm)
Xmax (one way)
40 mm

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