97 dB Sensitivity (1W/1m).
High-power driver ideal for use in pro-sound and bass-guitar applications.
Superb vocal coverage and coherence when deployed in small format line array.
Exceptional efficiency, power handling and frequency coverage from compact design.
Smooth and refined tone with extended usable frequency up to 5 kHz.
Excellent for compact two-way PA cabinets.
Performs best as a mid-range unit in small sealed enclosures as part of a larger system.
Works well as a mid/ bass driver in vented enclosures.
2-inch Copper voice coil.
Please enquire about alternative impedances.
A.E.S. power handling test. Pink noise bandpass filtered at 12 dB per octave with cutoff frequencies of 60 Hz and 600 Hz. Driver mounted in free air, test signal applied at rated power for two hours.
Please note that the frequency response measurements are supplied for comparison only and are not a measure of the low frequency performance which may be achieved in a fully optimised system.
Electro Acoustic Specifications
Nominal Chassis Diameter 8" / 203.2 mm
Impedance 8 Ω
Power Handling 225 W (A.E.S.)
Peak Power (6dB Crest Factor) 900 W (A.E.S.)
Usable Frequency Range (-6dB) 55 Hz - 5 kHz
Sensitivity (1W - 1m) Wideband 97 dB
Moving Mass (inc. Air Load) 20 grams
Minimum Impedance (Zmin) 7.6 Ω
Effective Piston Diameter 6.496" / 164.99 mm
Magnet Weight 34 oz
Magnetic Gap Depth 0.31" / 7.87 mm
Flux Density 1.0 Tesla
Coil Winding Height 0.59" / 14.98 mm
Voice Coil Diameter 2.0" / 50.8 mm
Speaker Type Bass / Mid Range Driver
Speaker Series The Professional Series
Program Power 450 W (A.E.S.)
Sensitivity (1W / 1m) Working band
Thiele Small Parameters (TSPs)
FS 62 Hz
Re 6.1 Ω
QMS 4.3
QES 0.42
QTS 0.38
Vas 22 Litres
Vd 0.085 Litres
CMS 0.34 mm/N
BL 11 T/m
MMS 20.69 grams
Xmax 5.5 mm
Sd 213 cm2
Efficiency 1.25%
Le 1.47 mH
EBP 147.62 Hz
Materials of Construction
Coil Former Material Glass Fibre
Voice Coil Material Copper
Magnet Material Ferrite
Chassis Material Pressed Steel
Cone Material Paper
Surround / Edge Termination Polyvinyl Damped Dbl. Half Roll Linen
Dust Dome Material Paper
Connectors Solder Tag
Polarity Positive voltage at red terminal causes forward motion of cone
Mounting / Shipping Information
Overall Diameter 8.18" / 207.77 mm
Width Across Flats N/A
Flange Height 0.27" / 6.9 mm
Baffle Hole Diameter F/M 7.24" / 183.89 mm
Baffle Hole Diameter R/M 7.24" / 183.89 mm
Gasket Supplied Front & Rear
Outer Fixing Holes 8x ø 5.5 mm on 7.79" / 197.8 mm PCD
Inner Fixing Holes Not Applicable
Depth 3.74" / 94.99 mm
Weight 6.06 lb / 2.75 Kg
Recommended Enclosure Volume 0.70 - 1.23 cu ft / 20 - 35 Litres
Shipping Weight 6.94 lb / 3.15 Kg
Packing Carton Dimensions (W) 235 (D) 235 (H) 130 mm
