Power on confirmed. SONY / Sony Stereo Amplifier TA-F45 Pulse Power Supply [Product Description] This is a Sony stereo amplifier TA-F45, stored at home. Power-on has been confirmed without any problems, but I do not have much knowledge, so I don't know the details. It has been cleaned, although simply. Please understand that this is a used item, so there may be small scratches and scuffs.