Siemens ECC88 (6DJ8) vacuum tube Old storage item - Operation not confirmed - No measurement or check performed - Actual usage time and environment unknown - No major cracks or chips observed - No performance guarantee Therefore, sold as is / junk item For those who understand repair, collection, testing, etc. For those who understand the nature and risks of vacuum tubes No claims, returns, or refunds will be accepted for reasons such as not working, no sound, or performance issues. If you are not satisfied with the condition or have any concerns, please do not purchase from the beginning. Another one in stock #SIEMENS #Röhre #VacuumTube