12AX7/ECC83
Content:
Photos of common guitar and audiophile tubes
Big bold 6L6GC great for super clean applications. Original boxes.
Labeled and boxed as Viking (OEM 2 way radio manufacturer).
Grey or black plates, 1960s/70s. Original and generic boxes. Some labeled and boxed as Tung Sol, Raytheon, Sylvania, Westinghouse, etc.