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In Reply to: RE: Another engineer pipes in ... posted by bjh on June 25, 2009 at 08:01:25
"Now do we have an engineer present who would like to step up to the podium and propose that the power supply design of a Bryston 4BST is inadequate? I rather doubt we'll witness such at thing.
Given that the amplifier as supplied merits the following comment when an after market power cord is installed -
"The second reason for the shock was due to the particular SS amplifier, a Bryston 4BST, an amplifier which along with its SST sibling has long ranked in my most hated list. The ills associated with the 4BST/SST, what I would call electronic sheen (a subjective description) seemed to me to have vanished!"
I would say yes the amplifier power supply filtering is inadequete, based on your comments for the environment in which you made your observations. I can't believe the designers of this amplifier intended the "electronic sheen" and I hardly doubt it takes an experienced golden eared trained listener to hear it.
But alas if one can buy a Bryston power line conditioner or any number of after market power cords to solve the problem who's to complain?
Personally this is the kind of crapola that long ago turned me against the marketing vehicles posing as audiophile magazines willing to tolerate such performance deficiencies to further their vested interests in growing the industry.
Sure power cords and conditioners can and do often make a tremendous difference and most anyone should be able to hear it.
Communications and test equipment owner's wouldn't tolerate for an instant such haphazardly designed products. Funny how audiophiles and the industry in general seems to tolerate it at the same time marketing spending for the work arounds as ways of bringing home improved performance.
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