This is brand new, but I am going back to F1-x pre and superfilter combination.
Here is a link for specs.
http://www.edenamps.com/wtppre.html
$815 Shipped!!!
or trade for SF-2 Superfilter with a some cash

$795 Shipped !!!!

Someone sent me an email about this, but my response keeps getting bounced back to me. Please reach out again with a return email address.
Happy New year !!! Also open to a trade for F-1x (with some cash from you)

TRADED for SF2