A guitar-amp like volume knob that goes to... 11, if you know what I mean (if you don't, watch the "mockumentary" called "This Is Spinal Tap"). Drawn in Inkscape. 旋鈕 音樂 儀器 轉到十一點 !
emoncms logo influenced by Tango project guidelines http://openenergymonitor.org/emon/emoncms 探戈 撥號 Emoncms 徽標