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How do I power my 800D(3)s

Hi folks

I am new to this, but trying to learn fast!

I have long been a fan of Bowers and Wilkins and I am lucky enough to buy a brand new pair of 800D(3)'s.  I have recently built a new house, so now have enough space for this very special purchase, which I plan to make in the next month or so.

I want to run a two channel system in our living room so it's a pretty simple layout.  Can anybody give me some advice, so that I get the best out of the speakers.  Will a Pre-Amp, and an Amp be enough with a Streamer?  Do I need two amps?  

Can you also advise on the best brands to look at.  I see that B&W tends to show the speakers off in thier demo's with Classe?  Any thoughts?

Thanks in advance.

Matt
128x128matt_gf

Showing 4 responses by georgehifi

georgehifi's avatar
georgehifi
4,966 posts
 
matt_gf
How do I power my B&W 800D(3)s
You will need an amp the can deliver good current down to 2ohms with this sort of impedance and -phase angle in the lower regions. Think big Krell type amps with bi-polar (BJT) output stages, not mosfet or tube.

http://www.stereophile.com/images/616BW802fig1.jpg

Cheers George
georgehifi's avatar
georgehifi
4,966 posts
 
Symphonic Line Rg4 monoblocks
Yes these could be nice also, so long as they're not just bridged stereo ones.
As they are BJT (bipolar) output devices. Not much independent tests done to see if they can almost double all the way to 2ohms, but they seem to have the ingredients for it to happen. Again so long as they're not just bridged stereo's

Cheers George
georgehifi's avatar
georgehifi
4,966 posts
 
Tubes??? Not the best with this kind of impedance and -phase angle load in the bass kot.

The 3ohm!! load between 80hz and 800hz is bad enough.
But the 4ohms with -55 degrees of phase angle is an aprox epdr of around 2ohms!! at 70hz

http://www.stereophile.com/images/616BW802fig1.jpg

Cheers George
georgehifi's avatar
georgehifi
4,966 posts
 
For reference I really like the Lynn product, but it is VERY expensive

Matt
Great amp but knowing and having worked on them, NO, not for these loads that these speakers represent. Between 60hz and 1000hz especially at 70-90hz.

http://www.stereophile.com/images/616BW802fig1.jpg

Cheers George
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