do the new specs vary graetly from the 04/05 ones?
Electrical Q Value -Qes: 0.58
Mechanical Q Value -Qms: 3.62
Total Speaker Q Value -Qts: 0.501
Free Air Resonance -Fs: 19.10 Hz
Equivalent Compliance -Vas: 207.0 liters
One-Way, Linear Excursion -Xmax: 54 mm
Efficiency -SPL 1W/1m: 85.81 dB SPL
Effective Piston Area -Sd: 810 cm^2
DC Resistance -Re: 4.2 ohm
Nominal Impedance -Znom: Dual 2 ohm
Thermal Power Handling -Pe: 2000 W
Force Factor -Bl: 18.16