(custom built) Parametrus var mainīt
Technical data: RAMPAGE 12D1
FQ range: 10Hz ~ 500Hz 
SPL: 87.4dB 
Impedance: Dual 1Ω 
DC Resistance (RE): 1.8 ohms 
Resonance frequency: 34.6 Hz 
RMS Power: 5000 Watts 
Max Power: 15000 Watts 
QMS: 7.21 
QES: 0.55 
QTS: 0.511 
VAS: 9.7L 
Spool Size: 4" 
CMS: 30um/N 
MMS: 635g 
BL2/RE: 269.1 
XMAX: 40mm / 1,575" 
Displacement: 10.22 L 
Technical data: RAMPAGE 12D2
FQ range: 10Hz ~ 500Hz
SPL: 83.9dB
Impedance: Dual 2Ω
DC Resistance (RE): 3.6 ohms
Resonance frequency: 33.8 Hz
RMS Power: 5000 Watts
Max Power: 15000 Watts
QMS: 7.59
QES: 0.5
QTS: 0.501
VAS: 10.1L
Spool Size: 4"
CMS: 30um/N
MMS: 650g
BL2/RE: 273.5
XMAX: 40mm / 1,575"
Displacement: 10.22 L