A compact ultra-low noise pre-amp that amplifies phono signals from a turntable to line level signals. The unit can be powered using the provided UK power supply or additional 9V battery if preferred (not supplied) and comes fitted with a grounding screw to eliminate additional noise from inference.Power supply[tab]9V DC, 100mA[br]Battery (optional)[tab]9V DC (1 x PP3)[br]Equalization[tab]RIAA correction[br]Frequency response[tab]30Hz - 20kHz[br]Gain[tab]34dB[br]Input impedance[tab]50k ohms[br]Output impedance[tab]50k ohms[br]Dimensions[tab]30 x 70 x 90mm[br]Weight[tab]250g