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 Resistance 3.28 Ω±5.0%
Resonant Frequency 62.97 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 Bandwidth 50Hz-20kHz 12 dB/Oc
Effective Piston Area 85.7 cm2
Moving Mass 12.3 g
Motor Force Factor 4.91 T•m
Voice Coil Inner Diameter 25.5 mm
Gap Height 6 mm
Maximum Linear Excursion 3.3 mm
Ferrofluid Type
Minimum Impedance 3.88 Ω±7.5%
Voice Coil Inductance 0.21 mH
Mechanical Q Factor 4.12
Electrical Q Factor 0.66
Total Q Factor 0.57
Ratio 110.47 fs/Qts
Energy Bandwidth Product ((1/Qes)•fs)
Suspension Compliance 519.1 μm/N
Effective Cone Diameter 10.45 cm
Motor Efficiency Factor 7.4 (T•m2)/Ω
Voice Coil Former Material ASV
Transducer Mass 0.8 Kg
Equivalent Volume 5.35 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.