EF85=6BY7 Siemens branded Telefunken NOS 1969 (3 in stock)
By Tube World
$ 6.99
3) EF85=6BY7 Siemens branded Telefunken NOS 1969
See more: vacuum tube
By Tube World
3) EF85=6BY7 Siemens branded Telefunken NOS 1969