Graham Audio BBC LS5/8

Graham Audio

Graham Audio BBC LS5/8
  • Graham Audio BBC LS5/8
  • LS58rosewood006
  • LS58rosewood008
  • 32020986-origpic-0b9f5b
Varenr.
980008886
Pris
Fra kr 94 995
Enhet
par
Fri frakt over kr. 1000,-
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Graham Audio BBC LS5/8 er en voksen stativhøyttaler med massiv krafthåndtering og sublim mellomtone!

LS5/8 ble utviklet som arvtager for BBCs tidligere flaggskip; LS5/5. Tidene var i endring og BBC forstod at de trengte en høyttaler bedre tilpasset moderne musikk, med høyere krav til krafthåndtering og bassgjengivelse.

 

Da en toveis-konstruksjon var ønskelig måtte BBC utvikle en splitter ny 12" bass-/mellomtonedriver med høy nok frekvensrespons til å kunne deles rett mot diskantelementet. Valget falt på polypropylen som konemateriale da det var lettere og stivere enn Brextrene. Etter et langt forskningsprosjekt så LS5/8 dagens lys med lavere fargning, høyere effektivitet og vesentlig høyere lydkvalitet enn den utgåtte LS 5/5.

 

For mer informasjon se:

 

http://www.grahamaudio.co.uk/products/ls58/

 

 

Informasjon fra produsent:

 

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.

As with all our BBC monitors, the cabinet is a finely tuned structure that uses high quality birch plywood and hardwood batons. The 12mm panels are mass-loaded to move resonances away from the midrange region and Rockwool is used in preference to cheap foam for air damping.

The design retains the same midrange clarity and balance of the LS5/9, but offers an extended bass response and greater authority at high level in larger rooms. The continuity of sound quality between the two designs means that engineers can move between the two different loudspeakers with complete confidence during the recording and mastering process.

The LS5/8 was originally conceived as an active design, but Derek Hughes has designed a passive crossover that greatly improves on the resolution and imaging of the original design while still conforming to the demanding BBC specification.

 

Spesifications:

 

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 8O
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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