General Specifications
Nominal diameter305mm/12in
Power rating350Wrms
Continuous power rating700W
EIA power rating500W
Nominal impedance8Ω
Sensitivity97dB
Frequency range50-4000Hz
Voice coil diameter75mm/3in
Chassis typePressed Steel
Magnet typeFerrite
Magnet weight1.7kg/60oz
Coil materialRound copper
Former materialPolyimide
Cone materialKevlar loaded paper
Surround materialCloth-sealed
SuspensionSingle
Xmax4mm/0.16in
Gap depth8mm/0.31in
Voice coil winding width16mm/0.63in
Small Signal Parameters
D0.26m/10.24in
Fs59.5Hz
Mms59.29g/2.09oz
Qms3.319
Qes0.444
Mmd52.37g/1.84oz
Qts0.392
Re5.11Ω
Vas48.18lt/1.7ft3
BI15.97Tm
Cms0.12mm/N
Rms6.67kg/s
Le (at 1kHz)0.91mH
Mounting Information
Overall diameter309mm/12.17in
Overall depth137mm/5.43in
Cut-out diameter283mm/11.14in
Mounting slot dimensionsØ7.9mm/0.31in
Number of mounting slots4
Mounting PCD range296.85mm/11.68in
Unit weight4.3kg/9.5lb
Packed Dimensions & Weight
Multi pack size W x D x H1080mm x 980mm x 880mm
/42.5in xc 38.6in x 34.6in
Multi pack weight190kg/4.2lb
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