(!!) (Best Single) E180F=6688 Philips Miniwatt SQ Holland gold pins “”D”” getter NOS 1957 (14.2ma)

E180F=6688 Philips Miniwatt SQ Holland gold pins “”D”” getter NOS 1957

14.2ma

Gm=17,400

(10,000 hour 9-pin frame grid broadband Pentode, variant is 7737)

– Supratek Chenin, Cortese preamp
– Yamamoto 06-3 2010