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In Reply to: RE: SE Triode Tube Amp output stage !!! posted by Thorsten on June 26, 2015 at 00:55:47
Doesn't sound that great. Others use LPS too instead of it; see posts in CA and elsewhere.Mine that came with the iUSB power broke down after an hour and had to be replaced by the dealer.
If you want to argue aimlessly about Belleson's specs compared to yours, why don't you take it up with them instead of starting an argument about information that I provided a link to?
I see no comprehensive spec from your products about power supplies for a particular piece of hardware. What I did see were over the top claims about audio performance.
Edits: 06/26/15 06/26/15Follow Ups:
Fred,
And here I was expecting you to make a substantive point, show how the SMPS fares when tested for transient behaviour in the precise kind of setup which was used in the contentious test...
And following that you would show reliable evidence that links this transient misbehaviour to poor sound quality. I even had a crow caught, executed and prepared ready for me to eat - in public.
Instead you waffle on about the broken power adapter which was promptly replaced.
Sound quality is very subjective and I see little point to debate it.
Where I see a point of debate if you make claims that Item A has a certain specific objectively tested behaviour that causes it to sound this way or that.
Past that, no you see no detailed spec for each and every power supply circuit powering each and every part different part in the unit, because what matters is actually the subjective sound quality.
As for over the top, apart from sour grapes from one or two individuals who pretty much never heard any of the products I had a hand in, I have not seen any real criticism of sound quality, especially in respect to the price. Rather the opposite.
You disagree, so don't buy any of those products. Buy anything else. Please.
Ciao T
At 20 bits, you are on the verge of dynamic range covering fly-farts-at-20-feet to untolerable pain. Really, what more could we need?
you are the one complaining about info from Belleson.
Take it up with them.
Fred,
Posted by fmak (A) on June 24, 2015 at 00:18:17
http://www.belleson.com/comparemono.php
Note the relatively poor transient performance of the LT1086, LM1117 used often in computer hardware, and the Burston.
Note the poor spelling of names and questionable grammar which is obvious to someone with english as third language.
And, no it is not a direct claim, just an attempt to spread FUD.
Posted by fmak (A) on June 25, 2015 at 21:54:54
John Swenson, Paul Hynes, audioengr and others, (who) in concert with users, have posted on the need for stiff, fast PSs.
Now here we have a claim, if arguably attributed to others, but by repetition and posting endorsed and supported by the posts author.
Posted by fmak (A) on June 25, 2015 at 11:54:29
If manufacturers present the data, it is meant for comparison in applications where fast demands are made, as in a computer.
Now here we have a claim, not attributed to others, but straight and direct.
Now, shall we dig out the whole subject of the magic BNC connectors who magically fix everything, including bad (non 75 Ohm) cabling, incorrect signal levels and incorrect drive impedance from the driving circuit and the related claims?
I am game.
Ciao T
At 20 bits, you are on the verge of dynamic range covering fly-farts-at-20-feet to untolerable pain. Really, what more could we need?
Clearly you have an agenda which you need to pursue with Belleson instead of wasting space here.AS a manufacturer, you have broken forum rules umpteen times in this exchange.
Edits: 06/26/15 06/26/15
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