Marantz Model 250 Stereo Power Amplifier Parts or repair ONLY *. Blows fuses

Item TitleDescriptionMarantz Model 250M Stereo Power Amplifier AC100V Operation has been checked.No problem with sound output.Please enjoy the good sound. Rated output (20Hz to 20kHz, both channels driven): 150W+150W (4?), 125W+125W (8?)Total harmonic distortion: 0.1% or less (20Hz to 20kHz)Intermodulation distortion: 0.1% or less (20Hz to 20kHz)Frequency response: 20Hz to 20kHz ±0.1dBPower bandwith?5Hz to 45kHzInput sensitivity/impedance?1.5V/100k?Damping factor: 100 or better (8?)Power Supply: AC100V, 50Hz/60HzPower consumption: 500WDimensions: W390 x H146 x D264mm (width and height are panel size)Weight: 12.7kg ? If there is a discrepancy between the photo and the description on the product page, the photo will be considered as the correct one.Thank you. Shipping Standard Shipping ( Japan Post , FedEx , DHL ) The package will arrive 5-14 days after shipment. International Buyers - Please Note:Import duties, taxes, and charges are not included in the item price or shipping cost. These charges are the buyers responsibility. Please check with your countrys customs office to determine what these additional costs will be prior to bidding or buying. If there is a remote charge for your address we will charge you for additional shipping.Thank you for your understanding. ReturnsReturn Policy. We value your satisfaction with our service. We have an unconditional return policy if notified within 60 days of receipt ( time limits vary by item ). All returns must be in original condition. Once the product has been used, it cannot be returned. Returns must be made within the time limit upon receipt of the merchandise.Please contact us first for return before you ship it back to us.Thank you !