Thank you for viewing our many products. This is an auction for one used Toshiba 6G-B7 vacuum tube. It's an old item, but the body, markings, and pins are all in good condition. Please check the photos for the condition. Only the heater continuity has been confirmed, and specifications have not been checked. Also, recent operation in an actual device has not been confirmed. Please consider purchasing this as a used, junk item, and understand that it is non-returnable and non-refundable. (Compact) #vacuumtube #vacuumtubeamp #amp #vacuumtube6GB7 #6GB7 #Toshiba #HiFi #highfidelity #FukuNoVacuumTube #GTtube #TokyoShibauraElectricCo.,Ltd.