Mid Range Driver
  • Heavy-duty cast aluminium chassis for increased rigidity
  • Mid range transducer
  • Synthetic loaded paper cone optimised for minimum delayed resonances
  • Lightweight neodymium magnet
  • Suitable for direct radiating or horn loaded mid/high applications
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Download PDF Datasheet
General Specifications
Nominal Diameter10" / 250 mm
Voice Coil Diameter2.5" / 63.5 mm
Available Impedances4 Ω/ 8 Ω/ 16 Ω
Power Rating 1 2 *300 w (A.E.S.)
Peak Power (6dB Crest Factor)*1200 w (A.E.S.)
Sensitivity (1W – 1m)*99 dB
Frequency Range80 Hz - 5 kHz
Recommended Enclosure Volume20 - 60 Litres
Resonance73.73 Hz
Voice Coil Winding Depth11 mm / 0.43"
Magnet Gap Depth8 mm / 0.31"
Flux Density1.67 Tesla
Magnet MaterialNeodymium
Magnet Weight
Voice Coil MaterialCopper
Former MaterialGlass Fibre
Dust Dome MaterialPaper
Suspension MaterialFabric
Cone MaterialPaper
Surround MaterialFabric
Thiele Small Parameters
Fs73.73 Hz
Re6.19 Ω
Le (@1 kHz)
Le (@10 kHz)0.39 mh
Vas23.7 litres
Mms36.41 g
Sd363.05 cm2
Cms128 µm/N
BL20.97 T/m
Xmax2.6 mm
Vd0.15 litres
Ref. Efficiency3.98%
EBP307.20 Hz


Dimensions & Mounting
Overall Diameter285 mm
Widths Across Flats269 mm
Flange Height7 mm
Depth (Excl. Flange)93 mm
Magnet Diameter140 mm
Chassis Shoulder Diameter227 mm
Outer Bolt Circle4 * M5 on 271mm PCD
Inner Bolt CircleN/A


Shipping Information
Nett Weight3.26 Kg / 7.19 lb.
Shipping Weight4.51 Kg / 9.94 lb.
*1 Power compression is the reduction of sensitivity at the specified power. Higher power ratings do not necessarily give a proportionate increase in SPL therefore the maximum SPL of the driver may significantly exceed that of other manufacturers with high power ratings.

1. AES Standard (60 to 100 Hz) Program 600 Watts.
2. AES Recommended Practice.
3. Thiele - Small Parameters follow a 300 Watt preconditioning period.

Please note that frequency response measurements are supplied for comparison purposes only and are not a measure of the low frequency performance which may be achievable in a fully optimised system.
Frequency Response & Impedance
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