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
Further Gallery of photographs suplied by Edmund Hill on Wednesday March 17 2004.
Click on the picture above to see further images of the 'anatomy' of the Concerto
Schematic of crossover DN12 SP1004 as provided by Steve Bell 22 January 2004