Audio Database
LS3/5A
Commentary

This is an improved speaker system of BBC monitor 3/5A made by Dudley Harwood when he was at BBC Laboratory.

A 10 cm cone type is used for the low range and a 2 cm dome type is used for the high range.

Also, "Computer Optimized Design 1987 BBC" is engraved on the rear panel nameplate to distinguish it from other 3/5A.

Model Rating
Method 2-Way, 2-Speaker, Airtight Type, Bookshelf Type
Units Used For low band : 10 cm cone type
For High Pass : 2 cm Dome Type
Playback frequency band 60 Hz to 20000 Hz ± 4 dB
Crossover frequency 3000Hz
Output sound pressure level 82.5dB/W/m
Impedance 15 Ω
Max Input 30W
External dimensions Width 190x Height 305x Depth 160 mm
Weight 5.3kg