> I have owned quite a few Xin amps over the past year and have
> progressed form a Supermini V5 to V6 , V6.2D, Supermicro V6 and
> Supermicro V7. Dr Xin kindly sent me a SUperdual for appaisal and all
> I can say is....how much better can these amps get! The biggest leap
> for me was between the Supermini and the Supermicro...there was just
> so much more control , especially in the bass regions. Sound was
> warmer and more tube-like, more holographic and realistic.
> The Superdual has a signifiant edge over the Supermicro V6 in all the
> above areas [although not as marked as the difference between the
> Supermicro and Supermini.]
> With respect to the Supermicro V7 I would say the sound is remarkably
> similar...I actually struggle to hear a difference between the SD and
> the V7.
> My main reservation is in the area of the Xfeed.
> On the SD it just sounds like a mono switch whereas on all the other
> Xfeed implementations the soundstage just narrowed slightly and moved
> forward.
> Perhaps this particular SD Xfeed has a problem but I remember reading
> from another post that another user had a similar experience with the
> Xfeed.
> I am not really a fan of the Xfeed and find it only useful on old jazz
> recordings with extreme separation between L and R tracks.
>
> I will report back once this SD is fully burnt-in if there is any
> significant improvement although I am very sceptical when I hear
> people noticing large differences while an amp burns in. The only real
> way to compare would be to listen to a brand new amp and a burnt-in
> one side by side. Over time musical memory fades significantly and the
> power of suggestion takes over...as well as familiarity with the
> product. Why does no one ever report any audio equipment sounding
> worse over time after burn-in?? Surely that can also be possible?
>
>
>
> Well done Xin...you have a winner with the SD...
> Let's see some more comparisons now against the really expensive
> portables out there.
>
> BTW I feel I am fairly qualified to judge and compare equipment. You
> can read about my high-end audio endeavours at
www.delgi.com
Guido