13D2 BRIMAR brown base Holy Grail two top micas welded plate large Square getter 6SN7GT B65 ECC32

Description

The 13D2 is a special quality version of the 6SN7GT audio double triode and electrically they are identical. Mechanically the 13D2 is much more robust. Each half of the 13D2 is electrically equal to a L63 6J5, and the 13D2 provides additional mechanical rigidity as did the original metal envelope L63

The wide glass tube envelope is 27 mm in diameter, and excluding the B4 base pins, is 63 mm tall.

Brimar 13D2 rare as hen’s teeth with two top micas and one at bottom able to cope in all condition 

Made in England

Black plate with large top getter

Tested 100% working order