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Bryston: THX for 2 ch - a good thing or not?

Several Bryston amps are available with THX certification and badging at extra cost. Is this a good thing for 2 ch setups?
I recently had an email exchange with an Audiogon seller of a Bryston 8B ST amp. I told him I was also looking at two Bryston 8B ST THXs on eBay. He related to me an opinion he had heard that the ST THX versions were somehow inferior to the ST versions. Was he just hyping his amp or is there something to this allegation?
I googled this issue every which way without much satisfaction. One source mentioned that the THX stardard required expanded dynamic headroom, which sounds like a good thing, but doesn't the ST version also meet this requirement?
I spoke to a Bryston designer at the factory in Peterborough some months ago, before the current question became an issue for me. I got the impression from him that the THX versions were just the ST/SST versions with THX certification and badging, for which Bryston had to pay Lucas for the priviledge. Therefore, amps were certificed as THX compliant more for marketing reasons than due to any design modifications, except perhaps for some features (like a different input gain for the THXs).
Bottom line, is there any reason I should avoid THX versions for 2 ch listening? Are they better, worse, or just about the same?
russelllondon

Showing 1 response by sailfishben

sailfishben
65 posts
 
I'd be anxious to see if this is even worth worrying about. Buying used, shouldn't age, condition, model, proximity of seller etc. be much more important then if it has a THX logo on it? I see Monster selling really cheap cables badged THX and believe they're junk. But sure enough, the big box retailer's salesperson is quick to point that THX certification a reason for spending a little more on them.

Hope you don't miss a perfect Bryston amp for you worrying about this.
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