Cabinet Dimensions (H x W x D) |
1275 x 585 x 600 mm (50.2 x 23.0 x 23.6”) |
Enclosure Volume |
160 litre (5.65 cu.ft.) |
Enclosure Type |
Reflex for bass driver, closed box for Dual Concentric™ |
Enclosure Weight |
120kg (265lbs) |
Recommended Amplifier Power |
20 to 600 watt RMS per channel |
Power Rating |
300 watt RMS
1200 watt peak |
Maximum SPL |
120dB at 1 metre for 300 watt RMS
126dB at 1 metre for 1200 watt peak |
Total Harmonic Distortion |
Less than 1% at 300 watt RMS (50Hz to 20kHz) |
Sensitivity |
96dB for 2.83 volt at 1 metre |
Nominal Impedance |
8 Ohms |
Dispersion |
90 degree conical |
Frequency Response |
24Hz - 61kHz (-6dB) |
Crossover Frequencies |
120Hz bass to Dual Concentric™ midrange
700Hz Dual Concentric™ midrange to compression tweeter
17 kHz Dual Concentric™ tweeter to SuperTweeterTM |
Crossover Adjustments |
Dual Concentric™ energy /- 3.0dB in 5 steps, 700Hz- 17kHz
SuperTweeter™ energy /- 3.0dB in 5 steps, 17kHz- 61kHz |
Crossover Type |
Bi-Wired, Hard-Wired passive, low loss. All connections silver soldered. 99.9999% purity PCOCCTM wiring, except for SuperTweeter™ 99.997% purity single strand custom silver cable. Complete assembly deep cryogenically treated. Free floating isolation system. All crossover slopes 2nd order, except for SuperTweeter™ 1st order high pass |
Low Frewquency Driver |
380mm (15 inch) nominal diameter with treated paper cone.
75mm (3 inch) diameter voice coil |
Dual Concentric |
300mm (12 inch) nominal diameter Dual Concentric™, with 52mm (2 inch)
midrange voice coil and treated paper cone. High frequency 75mm (3 inch)
diameter aluminium alloy dome, deep cryogenically treated |
SupertweeterTM |
25mm (1 inch) diameter 64 micron magnesium alloy dome, ceramic coated.
Neodymium magnet system. Plasma bonded voice coil. |
Cabinet Construction |
Birch ply and high density fibreboard. Extensive internal bracing |