Ground Zero RADIOACTIVE GZRW 25-D2

2x2Ω

Subwoofer

Nominal diameter	10″ / 250 mm
Resonance	26.3 Hz
Q factor	0.54
Sensitivity	81.7 dB
Program Power	1200 W

Ground Zero GZRW 25-D2 Subwoofer

Specifications

Sensitivity (1W, 1m, infinite baffle) SPL1W 81.7dB

Thiele & Small parameters

Resonance frequency (free air) fS 26.3Hz
Mechanical quality factor QMS 7.69
Electrical quality factor QES 0.58
Total quality factor QTS 0.54

Large signal parameters

Maximum excursion before damage xlim 25mm
Power handling P 600W
Program power Pmax 1200W

Voice Coil

Nominal impedance Z 2 x 2Ω
DC resistance (in series) RE 3.9Ω
Inductance (1kHz, in series) LE 2.2mH
VC Diameter 63mm
Winding material Copper

Magnet

Force factor (in series) Bl 14.2N/A
Motor constant Bl/√RE 7.18N/√W

Diaphragm

Effective diameter 200mm
Effective area SD 314cm²
Moving mass MMS 180g
Moving mass (without air load) MMD 176g
Material Reinforced paper

Suspensions

Stiffness KMS 4.95N/mm
Compliance CMS 202µm/N
Equivalent volume to the compliance VAS 28.3L
Mechanical resistance RMS 3.87N·s/m

Dimensions

Nominal diameter 10″
250mm
Overall diameter 257mm
Baffle cutout diameter 228mm
Mounting depth 151mm
Volume occupied by the driver (estimated) 1.6L
Frame material Steel

Export this driver to a simulation software:

Closed Box Simulator·

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