For sale is a NOS NIB sleeve of 5 Raytheon 6418 subminiature power pentode tubes. NOS, never used. These are part of an old surplus of NOS tubes. Platinum Tubes. WHY PLATINUM TUBES?. Why Platinum Tubes?.
For sale is a NOS NIB sleeve of 5 Raytheon 6418 subminiature power pentode tubes. NOS, never used. These are part of an old surplus of NOS tubes. Platinum Tubes. WHY PLATINUM TUBES?. Why Platinum Tubes?.