Hootenanny with John DeVore & Mike Pranka, April 2nd! Posted on March 2, 2016 by admin The DeVore Fidelity Gibbon X will be breaking in at the shop shortly. Mark your calendars! John DeVore and Mike Pranka of Well Tempered and Dynavector, will be at Whetstone Audio Saturday, April 2nd! 11-7pm. Please RSVP for a head count (beer cups).