Amplification device, comprising: a device input (3, 35) for receiving a device input signal (Vin); an amplifier unit (5, 37) comprising a zero crossing detector unit (7, 39), an output filter (15, 41) and a lead-lag compensation network (14, 40), said zero crossing detector unit (7, 39) being arranged for comparing an amplifier input signal with a reference potential (Vref) and for switching a pulse width modulated detector output signal between a first voltage level and a second voltage level dependent on said comparison, wherein said amplifier unit (5, 37) is arranged for providing an actual device output signal (Vout), said actual device output signal being an amplified representation of said device input signal, said amplifier unit (5, 37) having a first transfer function (K(s)); and a device output for providing said actual device output signal (Vout); wherein said amplification device further comprises a control loop (19, 44) placed around said amplifier unit (5, 37) and comprising a subtraction unit (26, 46) connected to said control loop (19, 44) and the device input (3,35) arranged for providing an error signal based upon a difference between a control loop voltage (Vcontrol) and the device input signal (Vin), a forward filter (20, 45, 45', 45", 45"') for filtering the error signal and providing an forward filter output signal to said amplifier unit (5, 37) as the amplifier input signal, for increasing loop gain for improving a signal-to-noise ratio of said actual device output signal (Vout), said forward filter (20, 45, 45', 45", 45"') comprising an integrating filter; characterized by a deviation detection unit arranged for providing the error signal, comprising the subtraction unit (26, 46) and a detection filter (25, 48), arranged between the device input (3, 35) and the subtraction unit (26, 46), the detection filter (25, 48) for filtering the device input voltage (Vin), having a second transfer function (K'(s)) that mimics the first transfer function (K(s)) of the amplifier unit (5, 37); wherein said amplification device is arranged for disabling the functioning of said forward filter (20, 45, 45', 45", 45"') for said amplification device upon occurrence of overmodulation of said amplifier unit (5, 37). a device input (3, 35) for receiving a device input signal (Vin); an amplifier unit (5, 37) comprising a zero crossing detector unit (7, 39), an output filter (15, 41) and a lead-lag compensation network (14, 40), said zero crossing detector unit (7, 39) being arranged for comparing an amplifier input signal with a reference potential (Vref) and for switching a pulse width modulated detector output signal between a first voltage level and a second voltage level dependent on said comparison, wherein said amplifier unit (5, 37) is arranged for providing an actual device output signal (Vout), said actual device output signal being an amplified representation of said device input signal, said amplifier unit (5, 37) having a first transfer function (K(s)); and a device output for providing said actual device output signal (Vout); wherein said amplification device further comprises a control loop (19, 44) placed around said amplifier unit (5, 37) and comprising a subtraction unit (26, 46) connected to said control loop (19, 44) and the device input (3,35) arranged for providing an error signal based upon a difference between a control loop voltage (Vcontrol) and the device input signal (Vin), a forward filter (20, 45, 45', 45", 45"') for filtering the error signal and providing an forward filter output signal to said amplifier unit (5, 37) as the amplifier input signal, for increasing loop gain for improving a signal-to-noise ratio of said actual device output signal (Vout), said forward filter (20, 45, 45', 45", 45"') comprising an integrating filter; characterized by a deviation detection unit arranged for providing the error signal, comprising the subtraction unit (26, 46) and a detection filter (25, 48), arranged between the device input (3, 35) and the subtraction unit (26, 46), the detection filter (25, 48) for filtering the device input voltage (Vin), having a second transfer function (K'(s)) that mimics the first transfer function (K(s)) of the amplifier unit (5, 37); wherein said amplification device is arranged for disabling the functioning of said forward filter (20, 45, 45', 45", 45"') for said amplification device upon occurrence of overmodulation of said amplifier unit (5, 37).