Log-in

211D Western Electric brass base like new in original box 1920's with 211D data sheet (109ma) (strong single)

$ 1,299.99
1 tube) 211D Western Electric brass base tests like new and probably is NOS in original 211D box with 211D data sheet from late 1920's

 

Tested on Amplitrex 

Vplate=500VDC

Vgrid=-1VDC

Iplate=109ma (strong Ma and tube has zero gas)

211D NOS Good Ma range = 100-120ma

 

Recommended for

SET amps under 1000Vplate

 

See more: vacuum tube
Scroll to top