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The Signature Diamond is our way of celebrating 40 years' leadership in the loudspeaker business
Demo available in store.
The Signature Diamond is our way of celebrating 40 years' leadership in the loudspeaker business. It brings together our most advanced technologies to create a quality of listening experience that's unheard-of from a two-way speaker.
Set into the sculpted, cylindrical cabinet is a Kevlar® midrange/bass drive unit. A first-order crossover of individually-auditioned components provides a simple, pure signal path. But the crowning glory is the marble tube-loaded tweeter, whose dome of synthetic diamond delivers high frequencies with jaw-dropping precision and clarity.
No other material gets closer to the perfect behaviour of a hypothetical tweeter dome, one of infinite stiffness and zero mass. Created by crystallising a 'carbon frost' into the shape of the dome at temperatures approaching those of the sun's surface, the diamond dome makes the sweetest-sounding tweeter you've ever heard.
Only 500 pairs of white Signature Diamond were made. Stock are strictly limited.
Own part of the history and make a statement. Act Now!
| Technical features | Free-mounted diamond dome tweeter |
|---|---|
| with Nautilus™ tube loading | |
| Kevlar® brand fibre cone bass/midrange | |
| Flowport™ | |
| Description | 2-way vented-box system |
| Drive units | 1x ø180mm (7 in) woven Kevlar® cone bass/midrange |
| 1x ø25mm (1 in) diamond dome high-frequency | |
| Frequency range | -6dB at 32Hz and 33kHz |
| Frequency response | 40Hz - 28kHz ±3dB on reference axis |
| Dispersion | Within 2dB of reference response |
| Horizontal: | over 50º arc |
| Vertical: | over 10º arc |
| Sensitivity | 88dB spl (2.83V, 1m) |
| Harmonic distortion | 2nd and 3rd harmonics (90dB, 1m) |
| <1% 80Hz - 100kHz | |
| <0.5% 110Hz - 100kHz | |
| Nominal impedance | 8Ω (minimum 4.6Ω) |
| Crossover frequency | 3.8kHz |
| Recommended amplifier power | 50W - 120W into 8Ω on unclipped programme |
| Max. recommended cable impedance | 0.1Ω |
| Dimensions | |
| Height: | 930mm (36.6 in) (not including detachable feet) |
| Width: | 230mm (9.1 in) |
| Depth: | 375mm (14.8 in) |
| Net weight | 25kg (55lb) |
| Finishes | White, with Grigio Carnico marble tweeter |
| Wakame, with Belgian Black marble tweeter | |
| Grille | Black Cloth |
