Halcro Logic MC20 2-channel power amplifier Atma-Sphere Music Preamplifier MP-1 shown here with its outboard power supply Musical Fidelity kW550 Stereo Integrated Amplifier, with its outboard power supply shown on the shelf below Marantz SC-7S1 stereo preamplifier Marantz MA-9S1 monobloc power amplifiers Please click to return to previous view