C3M Siemens Germany stamped top NOS 1950”s (80/30)

C3M Siemens Germany stamped top NOS 1950”s (80/30)

single tube – not a pair

(10,000 hour Special Quality petode designed for AF and RF circuits)
(Good driver tube for 300B amplifier, see Glass Audio Issue 1/98, page 18)

– Ypsilon PST-100 MK2 Preamplifier (Greece) (2014)
– Shindo Vosne-Rominee 2006 preamp
– Yamamoto A-06-3 amp 2010