It worked during the check. Sound was confirmed, and all vacuum tubes were lit. Noise appears when the volume is turned up considerably. This is being sold as-is. Detailed operational checks beyond this have not been performed. Please check the photos for the condition and contents of the used item. The set includes everything shown in the photos. * The price will be gradually reduced. * The seller has not used the item, so we cannot answer questions about the purchase date or frequency of use. Please consider the item based on the photos and description.