What equipment uses 5687 tubes?

What equipment uses 5687 tubes? The very popular Modwright 9.0 SE preamp uses them, I know. Who else? What components?

pmboyd10-02-2011 2:46pm

c1ferrari Details Discussions Posts This discussion Message User 464 posts 10-02-2011 at 07:09pm Copy Comment URL Report Comment Edit Delete I have an Audio Note 4.1X Balanced DAC that's running the 5687 valve. Regards, Sam