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Discussion Starter · #1 ·
A dealer lent me a Bryston 4B-ST for the weekend to test what adding external amplification would do for my system. I'm on the slow road to separates. My receiver is a Yamaha RX-V3000, speakers are Paradigm Studios all around. I hooked the Bryston up to the main outs and turned on some Diana Krall. The improvement was immediately obvious, even to my wife. Its going to be hard to bring it back on Monday, which was of course the dealer's intent.


It occurs to me that I now have three unused 100W amps in the receiver - the mains and the rear center which I haven't implemented. Wouldn't it be nice if I could put at least one of them to use and biamp my center. Or even put all three to use and biamp the surrounds too.


So here is my question. What if I take the center channel pre-out and connect it to the main in jacks, and then biamp the center speaker to the receivers main amps? Will this work? I could just try it, but I'm a little bit afraid of damaging something.


If it works, then keeping the Bryston would effectively give me much improved performance across all three front channels, making it a very good value.


Am I out to lunch? Do any of you know if this would work? Has anyone tried it with this or any other receiver?


Thanks,

Wayne


(Also posted on HTF)
 

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Discussion Starter · #2 ·
Curiosity got the best of me and I tried it. Works like a charm. The center is now being driven (bi-amped) by the RX-V3000's main amps, and the Bryston is powering the mains. I'm listening to Diana Krall's Live in Paris DVD which I'm very familar with, and I can't believe the difference. I'm not good with all the adjectives that folks use to describe sound, but this is terrific.

This means that the new amp kind of gets me three channels for the price of two. I'm thinking its gonna stay. My wife even likes how it looks!


Cheers,

Wayne
 

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Discussion Starter · #3 ·
Update - the Bryston now has a permanent home in the rack. Sounds great and no regrets, at least not until the Amex bill arrives.

FYI, I spoke to Bryston a few times yesterday because the store couldn't find the spec sheets and manual. Their pre-sales service is excellent. I learned that the 4B-ST was discontinued as of Friday and is being replaced by a new 4B, which I think is going to be called the 4B-SST. The new model will be similar to the 14B and will be marketed as 300W/channel. The 4B-ST was really a 300W/channel amp anyway. Mine is 313W on both sides.
 

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True, plus, you are using the left and right amps to power the center, you have your actual left and right speakers powered by the bryston and now you have only old center channel amp in the Yammy that is idle. This is ok cause its only one amp and really, you are maybe just a tad better off cause all the amping is going to the center now via the left and right and the fact that the center amp is idle is probably giving you more headroom for the other amps.


Or...maybe you could use that center channel amp as a second rear center?
 
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