Transducer Size (Millimeters)133.35
DC Resistance3.28
Resonant Frequency62.97
Half Space Sensitivity88.45
Rated Noise Power35
Test Spectrum Bandwidth50Hz-20kHz

Transducer Size (Millimeters)133.35
DC Resistance3.28 Ω±5.0%
Resonant Frequency62.97 Hz15%
Half Space Sensitivity @ 2.83V88.45 dB±1.01
Sensitivity @ 1W/1m85.3 dB±1.01
Rated Noise Power (IEC 268-5 18.1)35 W
Test Spectrum Bandwidth50Hz-20kHz 12 dB/Oc
Effective Piston Area85.7 cm2
Moving Mass12.3 g
Motor Force Factor4.91 T•m
Voice Coil Inner Diameter25.5 mm
Gap Height6 mm
Maximum Linear Excursion3.3 mm
Ferrofluid Type
Minimum Impedance3.88 Ω±7.5%
Voice Coil Inductance0.21 mH
Mechanical Q Factor4.12
Electrical Q Factor0.66
Total Q Factor0.57
Ratio110.47 fs/Qts
Energy Bandwidth Product ((1/Qes)•fs)
Suspension Compliance519.1 μm/N
Effective Cone Diameter10.45 cm
Motor Efficiency Factor7.4 (T•m2)/Ω
Voice Coil Former MaterialASV
Transducer Mass0.8 Kg
Equivalent Volume5.35 L

This 5.25 inch 4 ohm tansducer member of the GBS family provides a very slim woofer capable of large excursion. An anodized Al cone helps to extends the piston bands in the working range.A highly optimized ferrite magnet and unique suspension layout combine to give a cost effective solution in a previously unavailable package.