Technical features

Nautilus™ tube loaded aluminium dome tweeter
Kevlar® brand fibre cone bass/midrange

Description

2-way closed-box selectable dipole/monopole surround system

Drive units

1x ø25mm (1 in) aluminium dome high-frequency
2x ø80mm (3 in) midrange / high frequency
1x ø130mm (5 in) woven Kevlar® cone bass / midrange

Frequency range

-6dB at 63Hz and 42kHz (monopole mode)
-6dB at 63Hz and 15kHz (dipole mode)

Frequency response

85Hz – 22kHz ±3dB on reference axis (monopole mode)
85Hz – 10kHz ±3dB power averaged over front hemisphere (dipole mode)

Dispersion

Monopole mode: within 2dB of reference response
Horizontal: over 40º arc
Vertical: over 10º arc
Dipole mode: horizontal figure of eight
Effective null zone ±20º (250Hz – 15kHz)

Sensitivity

89dB spl (2.83V, 1m)

Harmonic distortion

2nd and 3rd harmonics (90dB, 1m)
<1% 130Hz – 20kHz

Nominal impedance

8Ω (minimum 3.3Ω)

Crossover frequency

4kHz (monopole mode)
250Hz (dipole mode)

Crossover Filters

2nd Order – midrange / high frequencyt
2nd Order – bass

Recommended amplifier power

25W – 100W into 8Ω on unclipped programme

Max. recommended cable impedance

0.1Ω

Dimensions

Height: 249mm (9.8 in)
Width: 387mm (15.25 in)
Depth: 186mm (7.3 in)

Net weight

5.2kg (11.5 lb)

Finishes

Black