Wayne Parham Messages: 18783 Registered: January 2001
Illuminati (33rd Degree)
Input sensitivity tells you the signal required for input to the amp. An example is the common 47Kohm, 0.775v input of many modern preamps. The input impedance is 47K ohms and the signal presented should swing between 0 and 0.775v; At 0.775v input, the amplifier is brought to full output.