Woven Kevlar
Crossover Tuning
Nautilus Tapering Tube
Flowport
Mushrooms
FST
Technical features Nautilus™ tube loaded aluminium dome tweeter

Kevlar® brand fibre cone FST™ midrange

Aluminium/paper/Kevlar® cone bass driver

Flowport™
Description 3-way vented-box system
Drive units 1x ø25mm (1 in) aluminium dome high-frequency

1x ø150mm (6 in) woven Kevlar® cone FST™midrange

2x ø165mm (6.5 in) Aluminium/paper/Kevlar® cone bass
Frequency range -6dB at 30Hz and 50kHz
Frequency response 38Hz - 22kHz ±3dB on reference axis
Dispersion Within 2dB of reference response

Horizontal: over 60º arc

Vertical: over 10º arc
Sensitivity 90dB spl (2.83V, 1m)
Harmonic distortion 2nd and 3rd harmonics (90dB, 1m)

<1% 90Hz - 22kHz

<0.5% 120Hz - 20kHz
Nominal impedance 8Ω (minimum 3.0Ω)
Crossover frequencies 350Hz, 4kHz
Crossover Filters 1st Order – tweeter

2nd Order – midrange low pass

2nd Order – midrange high pass

3rd Order – bass
Recommended amplifier power 25W - 200W into 8Ω on unclipped programme
Max. recommended cable impedance 0.1Ω
Dimensions Height: 985mm (38.8 in) (not including plinth or feet)
Width: 198mm (7.8 in)
Depth: 340mm (13.4 in)
Net weight 26kg (57.3 lb)
Finishes Black Ash Red Cherry