Thank you for looking at my items. I am a seller who sells a lot of great Japanese items. Please look at my other items if you like. Please feel free to contact us if you have any question. marantz Model 140 power amplifier audio equipment junk rare accessories Detailed confirmation of loud volume and long time is not possible. Appearance rust corrosion is common.DescriptionAll my products are 100% Authentic. Please feel free to contact us if you have any question. Payment We usually ship within 10 business days of receiving cleared payment. Shipping We ship using FedEx, DHL and Japan Post.International Buyers - Please Note:Import duties, taxes and charges are not included in the item price or shipping charges. These charges are the buyers responsibility. Please check with your countrys customs office to determine what these additional costs will be prior to bidding/buying. These charges are normally collected by the delivering freight (shipping) company or when you pick the item up do not confuse them for additional shipping charges. I do not mark merchandise values below value or mark items as gifts - US and International government regulations prohibit such behavior.