EF37A Mullard red print BVA British made codes on base 4 pcs tested 100%
EF37A Mullard ST shape £ 120 quartet.
Description
The Mullard EF37 valve is a high impedance screened pentode made for frequency amplifier.
It was a very popular pentode used in radios and amplifiers back in 1940s.
The EF37 (and EF36) are the father of the later Mullard EF86.
The valves shown here are genuine Mullard EF37A.
Black base, with codes 1284 1F3 ;1284 1D2; 1284 1G9; 1284 1H1
All four Mullard EF37A valves have been tested at full 100% emission and in working order.
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