Ampex AG440B 1/2" 4 Track head assembly
Ampex AG440B 1/2" 4 Track head assembly, looks new and marked as such, sn 402027305 trapezoidal lap on record head.
Rupture de stock
Ampex AG440B 1/2" 4 Track head assembly. This head assembly was part a replacement stack for an AG440B. The stack has no visible wear but there is a slight trapezoidal pattern on the record head. The rest of the guides and heads appear to be unused. It's possible that this was an unused relapped replacement as it was marked JRF Magnetics, for John French who was and is the go to guy for replacement heads.