Mullard Blackburn EL37 Yellow Print Valve Tube R62 B4F3 NOS (V18)

Mullard Blackburn EL37 Yellow Print Valve Tube R62 B4F3 NOS (V18)
Mullard Blackburn EL37 Yellow Print Valve Tube R62 B4F3 NOS (V18)
Mullard Blackburn EL37 Yellow Print Valve Tube R62 B4F3 NOS (V18)

Mullard Blackburn EL37 Yellow Print Valve Tube R62 B4F3 NOS (V18)

R62 B4F3 Code in the Glass. Fully Tested on Avo VCM 163..

This Valve Tests Ia 91 / Gm 9.6. 100% = Ia 100 / Gm 11.


Mullard Blackburn EL37 Yellow Print Valve Tube R62 B4F3 NOS (V18)