Stereo Preamps

A preamp, also called a control amp, is an important part of any high end audio system. A preamp serves three functions. First, it acts as an impedance buffer between the source components and the amplifier. Second, it serves as an adjustable gain (volume) control. Third, it acts as a switch, allowing the user to switch between various components via its inputs.

PST 100 / PST 100 TA Stereo Preamplifier

Product Features: • PST 100: Combo Valve & Transformer Preamp • PST 100 TA: Transformer Attenuator Preamp PST 100 Most manufacturers develop a circuit for their power amplifier and then use the design for their preamplifier. The job of a power amplifier is to amplify the signal and >>>