tubes444: As far as the benefits of the Astron over the internal power supply, I found it to be more dynamic/energetic, noticeably more "punch" in the bass and transient attack in the mids and highs, more extension to the upper highs (with the right DC wire). Soundstage also grew larger and had more micro details. It was a very positive improvement all around.
Many thanks for your very in-depth report on your personal findings.
I.e. on the wire size= many+++'s. Audioquest 12V DC cable uses much larger wire gauge. Which now makes me think about how much research on wire size they REALLY did..
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