The 40A12 Amplifier is a completely solid state, broadband amplifier designed for laboratory applications. The unit will reproduce all types of input signals, including square waves, pulses, RF bursts, CW, AM, and FM modulation. The unit will operate without damage or shutdown into open or short circuit loads, thus making it an ideal choice for driving capacitive or inductive loads. Power Output: 40 Watts Power Gain: 46 dB minimum Input Power for Rated Output: 1.0 milliwatt Frequency Response: 20kHz to 12MHz