a hi-end phono preamplifier together with the separate power supply

acoustic amplifier art audio bass button cartridge casing ceiling closeup control design dial digital display electronic electronics elegant entertainment equipment fidelity frequency front furniture gadget hardware hi-end hi-fi hifi high home interface knob knobs level light lighting machine multitude music options output panel phono portable power preamp preamplifier professional room separate shelf signal sleek sound studio supply table technology together tone treble tube types vacuum vacuum-tube volume wall wood work