An analog mixer apparatus performing mixing of audio signals by analog circuits, the apparatus comprising: a first channel strip disposed on a control panel, a first control controlling a resistance value of a first variable resistor and a second control (114 to 118) controlling a resistance value of a second variable resistor being disposed on the first channel strip; a second channel strip disposed on the control panel, a third control controlling a resistance value of a third variable resistor and a fourth control (155 to 158) being disposed on the second channel strip; a first analog channel processing circuit adding a first channel effect to a first analog signal inputted from an outside in a channel effect circuit (213, 214) including the second variable resistor, controlling level of the first analog signal in a level control circuit including the first variable resistor, and outputting the controlled first analog signal; a digital signal processing circuit; a second analog channel processing circuit sending a second analog signal inputted from an outside to the digital signal processing circuit, inputting the second analog signal after being processed from the digital signal processing circuit, controlling, in a level control circuit including the third variable resistor, level of the second analog signal after being processed, and outputting the controlled second analog signal; a mixing bus mixing the first analog signal from the first analog channel processing circuit and the second analog signal from the second analog channel processing circuit and outputting a mixed analog signal; and a control position detecting unit detecting an operating position of the fourth control (155 to 158) as digital position data, the digital signal processing circuit analog/digital converting the second analog signal sent from the second analog channel processing circuit, performing processing of adding, to the converted digital signal, a second channel effect corresponding to a value of the position data of the fourth control (155 to 158), further digital/analog converting the processed digital signal and outputting the converted signal to the second analog channel processing circuit. a first channel strip disposed on a control panel, a first control controlling a resistance value of a first variable resistor and a second control (114 to 118) controlling a resistance value of a second variable resistor being disposed on the first channel strip; a second channel strip disposed on the control panel, a third control controlling a resistance value of a third variable resistor and a fourth control (155 to 158) being disposed on the second channel strip; a first analog channel processing circuit adding a first channel effect to a first analog signal inputted from an outside in a channel effect circuit (213, 214) including the second variable resistor, controlling level of the first analog signal in a level control circuit including the first variable resistor, and outputting the controlled first analog signal; a digital signal processing circuit; a second analog channel processing circuit sending a second analog signal inputted from an outside to the digital signal processing circuit, inputting the second analog signal after being processed from the digital signal processing circuit, controlling, in a level control circuit including the third variable resistor, level of the second analog signal after being processed, and outputting the controlled second analog signal; a mixing bus mixing the first analog signal from the first analog channel processing circuit and the second analog signal from the second analog channel processing circuit and outputting a mixed analog signal; and a control position detecting unit detecting an operating position of the fourth control (155 to 158) as digital position data, the digital signal processing circuit analog/digital converting the second analog signal sent from the second analog channel processing circuit, performing processing of adding, to the converted digital signal, a second channel effect corresponding to a value of the position data of the fourth control (155 to 158), further digital/analog converting the processed digital signal and outputting the converted signal to the second analog channel processing circuit.