The EAR 864 preamplifier is designed to meet a wide variety of needs from the most demanding of audiophiles to the professional seeking high quality monitoring equipment in the studio field. It is based on the circuit designs used in the highly successful EAR 834P phono stage and 834L line preamp with a few additional refinements and features including balanced outputs and one balanced input all coupled via high quality transformers. It has facilities for one phono input (MM/MC) and five line inputs and offers a genuine tape monitoring circuit making a total of seven inputs. A high quality volume control is fitted as well as a panel mounted power switch. Input and output terminals are gold plated.