5881 and 6L6WGB designations are interchangable and the tubes may have either or both designations. Lightly used, test as new. NOS (unused) examples are very expensive, so this is a great way to get in on the TONE! The bases are various shades of brown and may not match.
Used but test as new.
NOS in original boxes
NOS in original boxes.
NOS in original boxes.
Lightly used, test as new. Rare version of the highly regarded Tung Sol 6V6GT. Great in your Fender Champ or other single ended amp.
NOS in original boxes labeled United Electronics and white boxes.
NOS in original boxes. Great in your Dr Z or other EF86 amp!
NOS in original boxes. Great guitar amp tube.
NOS in original boxes. Great guitar amp tube!