Frequency response
Harmonic distortion
Nominal impedance
Crossover frequency
Recommended amplifier power
Max. recommended cable impedance
44
Technical features
Nautilus
Kevlar
Aluminium/paper/Kevlar
Flowport
Description
3-way vented-box system
Drive units
1x ø25mm (1 in) aluminium dome high-frequency
1x ø150mm (6 in) woven Kevlar
2x ø165mm (6.5 in) Aluminium/paper/Kevlar
Frequency range
-6dB at 30Hz and 50kHz
38Hz - 22kHz ±3dB on reference axis
Dispersion
Within 2dB of reference response
Horizontal: over 60° arc
Vertical:
Sensitivity
90dB spl (2.83V, 1m)
2nd and 3rd harmonics (90dB, 1m)
<1% 90Hz - 22kHz
<0.5% 120Hz - 20kHz
8Ω (minimum 3.0Ω)
350Hz, 4kHz
25W - 200W into 8Ω on unclipped programme
0.1Ω
Dimensions
Height: 985mm (38.8 in) (not including plinth or feet)
Width:
Depth:
Net weight
26kg (57.3 lb)
683
™
tube-loaded aluminium dome tweeter
®
brand fibre cone FST
™
over 10° arc
198mm (7.8 in)
340mm (13.4 in) (including grille and terminals)
™
midrange
cone bass driver
®
®
cone FST
™
midrange
®
cone bass