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In Reply to: RE: Better yet, read Krell's description posted by E-Stat on July 14, 2014 at 10:14:01
Yes, but it uses iBias which is virtual Class A because it reads the load in real time and has ouputs ready to respond instantaneously like an 8, 6, 4 cylinder engine design...less wasted energy but same performance! Proof will be in the pudding however:)
dave_b
Follow Ups:
Given the size of the power supply and obvious lack of heat sinks it is clearly not able to supply more than 20-30 watts Class A power. Nevermind 200 watts Class A it won't get close to that.
I once had a Sumo "The Nine" that was 60 watts Class A and used fan cooling to supplement its decent sized heat sinks. It had a 1200 VA transformer for only 60 watts.
Now I have a NAT Symbiosis, which has a power transformer that is probably heavier than the whole Vanguard. It is 100 watts Class A has 4 massive heat sinks, gets super hot and weighs about 140 lbs.
That is what it takes to make Class A...even older Krell sliding bias amps were huge.
I am of course not commenting on the sound...just the claim you made of it being Class A.
Good points....you know what, I am becoming a bit skeptical myself, but will reserve judgment on the sound. Sounds like a good idea but maybe they are overplaying the Class A iBias thing a bit much!
dave_b
The responsive posts to your OP are helpful to understand the limitations of the purported technology from people who purport to be knowledgable and experienced, but not if they are dampening your enthusiasm for what appears to be a great product for a remarkably low price.
Also, for what it's worth, Krell has filed patent applications on the iBias technology. While that does not necessarily mean much, at least until the applications are approved, it does mean that at least Krell believes there is something novel and non-obvious about their implementation.
I'm eager to hear how it sounds when you get it!
___
"If you are the owner of a new stereophonic system, this record will play with even more brilliant true-to-life fidelity. In short, you can purchase this record with no fear of its becoming obsolete in the future."
when Nelson Pass introduced that concept with the Threshold 800A.
"iBias" is a marketing term.
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