Until I saw one posted in the classifieds a few weeks ago, I'd never heard of the Bladelius brand. The analog output stage is a high performance stage with high drive capability Super low noise power supply with multistage regulation and filteringįor low out of band noise we use low order modulatorįor a more "analog" behavior (no pre-ringing) we use a digital filter with minimum phase Galvanic isolation between USB and the analog circuits, which means no noise from the computer will be transferred to your amplifier Our goal has been to really include everything that is possible to get the best sound from your computer.Īsynchronous USB transfer, re-clocking with a fixed low jitter crystal clock Therefore we chose to use a digital filter of minimum phase type instead of the more common linear phase type which always gives pre-ringing (see picture 3) We use an alternate version of minimum phase to further improve the performance. We have put a lot of effort into making the USB DAC as analog in its performance as possible. This is the first in a series of small accessory products that we are planning to add to the Bladelius product line.
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