Jef and Deborah Larson of abraxasaudio brought their Loftin-White 1626 "Darling" amp.abraxasaudio 1626 "Darling" amplifier
Sounded great with Brines speakers, shown above. They also brought a 2A3 SET amplifier, as can be seen in the Dagogo review. Many people commented this was a winning combination with tower two Pi speakers.