Here is a link to the Quicksand info page in the Bottlehead store -
Quicksand(https://forum.bottlehead.com/proxy.php?request=http%3A%2F%2Fbottlehead.com%2Fwp-content%2Fuploads%2F2014%2F06%2Fbottlehead-quicksand-solid-state-battery-powered-amplifier.jpg&hash=e1214fb9feec3c512548670bee2761f8f4dd06b7)
