6SN7GT Super RARE Brimar coated Tall Glass Holy Grail Best Sounding valves Tubes

Description

Among all variation of coated Brimar 6SN7GT this lot we show here is made of limited edition valves made in the 1950s with tall glass.

Each valve is in fact taller (about 8mm)  than any standard 6SN7GT hence an excellent sounding double triode.

Can be used in place of B65 or ECC32. Gives a stunning sound as we have label this valve the Holy Grail!

All tested with current of 10mA and in excellent emission and working order

We can sell pair, quartet etc