Vented speaker box with three drive units.
Specification: (source KEF C Series Leaflet 10/73/C- 3)
Dimensions: 711 X 432 X 305 mm
Internal Volume: 62 litres
Weight: 25.4 kg
Nominal Impedance: 8 ohms
Specific Frequency Response: + or - 3db 35-30,000 Hz measured at 1m on the axis of the HF unit in anechoic conditions
Dividing Frequencies: 400 Hz and 3,500 Hz
Sensitivity: 9.5 watts into 8 ohms produces 96 db at 1 metre in anechoic conditions.
Rated maximum power: 50 watts
Room size: Up to 280 cubic metres
Picture on right supplied by Robin Allen
Click on the picture above to see further images of the 'anatomy' of the Concerto