Sumo Athena stereo preamplifier

[michaelhigh]

http://mindseyemusic.blogspot.com/2013/10/sumo-athena-stereo-preamplifier.html

 

[Robie]

I have a Sumo Athena pre and matching Sumo Polaris power. I like them both very much. Nice score.

 

[michaelhigh]

I have a Sumo Athena pre and matching Sumo Polaris power. I like them both very much. Nice score.

Do you leave the Athena on for extended periods of time, as is suggested in the manual? If so, do you find any improvement in sound quality? :scratch2: