Description
The LS5/8 is Graham’s BBC licensed large two way monitor, sharing the LS5/9 midrange balance with more bass and output. It suits larger rooms, and the slotted LS5/8S variant targets smoother off axis response in living rooms.
Specifications
- Two way reflex loading
- Thin wall construction, birch plywood
- Frequency response 40 Hz to 16 kHz ±3 dB
- Nominal impedance 8 ohms
- Sensitivity 89 dB (2.83 V, 1 m)
- Maximum output over 110 dB for a pair at 2 m
- 300 mm Diaphnatone polypropylene bass/midrange
- Son Audax HD13D34H tweeter
- Recommended amplifier power 50 to 250 watts
Design
- BBC licensed LS5/8, the BBC flagship monitor built for higher SPL than the LS5/9
- Refined by Graham with Derek Hughes and Volt Loudspeakers
- 12 inch bass/midrange unit with the 34 mm Audax tweeter used in the LS5/9
- Birch plywood cabinet with hardwood battens and 12 mm mass loaded panels
- Rockwool rather than foam for air damping
- Passive crossover by Derek Hughes; the original was conceived as an active design
- Slotted LS5/8S version adds a diffraction slot ahead of the bass driver and a Seas 34 mm tweeter
Finishes and pricing
Cherry or Oak $10,999, Walnut $11,499, Ebony $11,999 (per pair). The slotted LS5/8S is $11,999 per pair.





