A rare and one-of-a-kind Hartke bass amplifier is being auctioned via eBay with 100% of the proceeds being donated to the American Cancer Society. This Hartke bass amp was owned and played by David Ellefson and used in Megadeth's rehearsal/warm-up room backstage on the "Rust in Peace" 20th anniversary tour, the 2010 European summer tour including the "Big Four" Sonisphere shows, and the "American Carnage" tour. This amp was autographed backstage during the "American Carnage" tour at the Izod Center in New Jersey on August 12, 2010 by Dave Mustaine, David Ellefson, Chris Broderick and Shawn Drover. For more information, go??HERE
