Anatomy of the KEFKIT3
Reflexed speaker box with three drive units
Specification: (source KEF KK/3 GA6802/20M/4.75 Leaflet)
LF Unit: B139 Type SP1044
MF Unit: B110 Type SP1003
HF Unit T27 Type SP1032
Crossover: DN12 Type SP1004
Dimensions of Baffle Assemby: 711X356X260 mm
Internal Volume: 60-150 litres
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
Notes: The low frequency performance can be extended by installing the reflex baffle into enclosures up to 150 lites internal volume.
Leaflets issued with the KEFKIT3 are reproduced here for online viewing.
Leaflet entitled KEFKITS published by KEF Electronics (KK/3 GA6802/20M/4.75). This contains information about KEFKITs generally and about KEFKITs 1 and 3 in particular.
Leaflet entitled KEFKITS published by KEF Electronics (no leaflet number). This contains information about KEFKITs generally and about KEFKITs 1 and 3 in particular.
Leaflet entitled ASSEMBLING KEFKIT3 published by KEF Electronics (GA6990/5M/1175). This contains information relating to the construction of a KEFKIT3.
Colin Royle 01/09/2004 advises that the reflex pipe on the KK3s is 6 inches long and has an internal diameter of 3&3/8 inches.