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For about the same money i can buy either an older 20 odd year old 4B or .. alternatively a 3BST. I've just bought JBL LSR32's and heard they need alot of power to sound their best. However, is the 3BST enough power? The 4B wouldn't be true balanced either and in fact - has just quarter inch inputs i believe.
Any insight out there?
G.
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Bryston recently upgraded all their amps. The new models have an SST2 suffix:
http://www.audiocircle.com/circles/index.php?topic=62600
Bryston's forum on AudioCircle is moderated by Bryston's VP of Marketing. He seems to offer honest responses to questions. You might post your question there. I expect there's a tradeoff between improved clarity of the latest design versus power.
That JBL models sensitivity is 90db/ one watt /one meter
That is pretty efficient and from the specs I got from the Brystons
(excellent amps by the way) either would work
The 3bst is rated at roughly 160wpc/8ohms and the 4bst is rated at 250wpc/8ohms
Stereophile did a nice review on the 3bst if your interested
A loudpspeaker with a 90db rating is not power hungry
If it was like 84db then I would say ya ok.........
Also, choosing the amp is how much you want to spend? How hard are
you going to drive these loudspeakers?
Both considerations...If you want to push at higher outputs then
of course you want more power
Link for review below
Although 160 to 250 is roughly only 2 dB, they just might be the 2 you need when you want to have clean loud peaks.
Power is good. More power is better. ;)
The Bryston 4B is conservatively rated at 250 watts/8ohms/ch. It actually supplies over 275 watts/channel typically and will outperform a 3BST without overheating or exhibiting distortion whereas the 3B will be on the edge of clipping after 100 watts.
Unless you like living on the edge or enjoy watching clipping lights flash there really is no contest here. In the end it comes down to the power supply and the 4B has double the available current in this regard.
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