Mini 2-way monitor
The BBC designed LS3/5a was made by Spendor under license from the BBC and the units were selected to BBC specification to produce consistent close tolerance pairs.
Cabinet dimensions
305mm x 190mm x 165mm
Cabinet weight
4.9 kg
Impedance
11 ohms nominal
HF Drive Unit
Kef T27
LF Drive Unit
Kef B110
Sensitivity
82.5 dB for 1 watt at 1 metre
Crossover point
3.5 kHz
Frequency response
90 Hz to 20 kHz
Pair matching
within 1 dB
Power handling
40 watts