What is a B&W 801M?


Thought I would get more specific. Pair of B&W 801's I'm looking at are labeled on the plate on the back 801M. Is this a matrix cabinet or a series 80 non matrix ?
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Barry, those in the photo are NOT matrix cabinets. The first 801 with a matrix cabinet was a ported design.
and these?

http://assets.bowers-wilkins.com/med/Libraries/3/Matrix801S2_Archive_l2_w0_h0.pdf
Yah - these are ported - think they might be first generation Matrix 801s. I remember the matrix cabnet making a big difference in bass and midrange clarity on these.
You had better have a amp with very healthy output for these to work well....also, they are very bass heavy. I've seen them working with a Crown 1000 watt amp, and pegging the meters.