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Graham Audio Chartwell LS5/8 Standmount Speaker (pair)

Art and Sound

The LS5/8 is the BBC's flagship design, and was developed because of the need for higher sound pressure levels and greater transparency and consistency than the ageing LS5/5 offered. This was the first BBC loudspeaker to use a polypropylene diaphragm which, being lighter than Bextrene, offered greater efficiency and lower colouration. A carefully researched cone profile enables the unit to work successfully well into the midrange.

After many months of intensive development, the Graham Audio LS5/8 refines the concept further. Designed in conjunction with Derek Hughes and Volt Loudspeakers and manufactured under license in the UK, it features a unique 12 inch bass/mid unit that is married to the same 34mm Audax tweeter that is used in the LS5/9.

Specifications

System 2 Way, reflex loading
Enclosure Thin wall construction, birch plywood
Finish Real wood veneer
Dimensions 76cm by 46cm by 40cm
Weight 34kg
Frequency response 40Hz to 16kHz, ±3dB
Nominal impedance
Sensitivity 89dB SPL (2.83V, 1m)
Maximum output Over 110dB for a pair at 2m
Bass/midrange 300mm Diaphnatone polypropylene
Tweeter Son Audax HD13D34H
Recommended amplifier power 50 to 250 watts unclipped programme

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