An appliance includes a main body, and a door movably attached to the main body. The direct conversion receiver comprises a low-noise amplifier 14, a mixer 16, a local oscillator 20, a lowpass filter 23, a baseband amplifier 24, an analog-to-digital converter 26, digital-to-analog converters 28, 32, a signal processing section 30, a speaker 34, a DC component extracting filter 100, an average value calculating circuit 200 and a subtractor 210. A second chamber is attachable to the frame and has a second bottom panel and a second plurality of walls with a second minimum wall height. A chilled font for further cooling the beverage is provided downstream from the orifice.