Only selling on Mercari. Two for 3000 yen. These are old items. Brand new, unused. I have no knowledge of them, so I can't explain them. I cannot guarantee their operation. They are in good condition. Please check the product in the photos. We look forward to your purchase if you understand. #VacuumTube #6DQ5 #Toshiba #Hitachi #Audio #GE If you purchase multiple items currently listed at the same time, we will offer a discount plus a reduction in shipping costs, so please comment before pressing the purchase button. Discounts are not available after you press the purchase button.