A method for calibrating a second bonding machine based on a calibrated first bonding machine, the first bonding machine comprising a first ultrasonic transducer, the second bonding machine comprising a second ultrasonic transducer and a power supply, the method comprising: damping the first ultrasonic transducer by a first mechanical damping; providing a first electrical calibration supply (P cal1 (t), V cal1 (t)) to the first ultrasonic transducer, the first electrical calibration supply (P cal1 (t), V cal1 (t)) causing the first ultrasonic transducer, when it is damped by the first mechanical damping, to oscillate laterally at a first calibration amplitude (A cal1); providing a second electrical calibration supply (P cal2 (t), V cal2 (t)) to the second ultrasonic transducer, wherein the second electrical calibration supply (P cal2 (t), V cal2 (t)) is configured to cause the second ultrasonic transducer, when it is damped by a second mechanical damping identical to the first mechanical damping, to oscillate laterally at a second calibration amplitude (A cal2) identical to the first calibration amplitude (A cal1); and adapting the second bonding machine to: modify a second control signal (C 2, C 2X) that is provided by a second control unit of the second bonding machine or that is provided to the second bonding machine as external input signal based on a first electrical parameter of the first electrical calibration supply (P cal1 (t), V cal1 (t)) and on a second electrical parameter of the second electrical calibration supply (P cal2 (t), V cal2 (t)) in order to generate a modified second control signal (C 2 ', C 2X '); provide the modified second control signal (C 2 ', C 2X ') to the power supply in order to cause the power supply to generate a second electrical supply (P 2 (t), V 2 (t)) depending on the second control signal (C 2, C 2X); and provide the second electrical supply (P 2 (t), V 2 (t)) to the second ultrasonic transducer. damping the first ultrasonic transducer by a first mechanical damping; providing a first electrical calibration supply (P cal1 (t), V cal1 (t)) to the first ultrasonic transducer, the first electrical calibration supply (P cal1 (t), V cal1 (t)) causing the first ultrasonic transducer, when it is damped by the first mechanical damping, to oscillate laterally at a first calibration amplitude (A cal1); providing a second electrical calibration supply (P cal2 (t), V cal2 (t)) to the second ultrasonic transducer, wherein the second electrical calibration supply (P cal2 (t), V cal2 (t)) is configured to cause the second ultrasonic transducer, when it is damped by a second mechanical damping identical to the first mechanical damping, to oscillate laterally at a second calibration amplitude (A cal2) identical to the first calibration amplitude (A cal1); and adapting the second bonding machine to: modify a second control signal (C 2, C 2X) that is provided by a second control unit of the second bonding machine or that is provided to the second bonding machine as external input signal based on a first electrical parameter of the first electrical calibration supply (P cal1 (t), V cal1 (t)) and on a second electrical parameter of the second electrical calibration supply (P cal2 (t), V cal2 (t)) in order to generate a modified second control signal (C 2 ', C 2X '); provide the modified second control signal (C 2 ', C 2X ') to the power supply in order to cause the power supply to generate a second electrical supply (P 2 (t), V 2 (t)) depending on the second control signal (C 2, C 2X); and provide the second electrical supply (P 2 (t), V 2 (t)) to the second ultrasonic transducer. modify a second control signal (C 2, C 2X) that is provided by a second control unit of the second bonding machine or that is provided to the second bonding machine as external input signal based on a first electrical parameter of the first electrical calibration supply (P cal1 (t), V cal1 (t)) and on a second electrical parameter of the second electrical calibration supply (P cal2 (t), V cal2 (t)) in order to generate a modified second control signal (C 2 ', C 2X '); provide the modified second control signal (C 2 ', C 2X ') to the power supply in order to cause the power supply to generate a second electrical supply (P 2 (t), V 2 (t)) depending on the second control signal (C 2, C 2X); and provide the second electrical supply (P 2 (t), V 2 (t)) to the second ultrasonic transducer.