Up for sale are 4 NOS Sylvania 6SL7GT Tubes.

All constructed with black plates and top D getters.

Original boxes show mild shelf wear.

Tested on our calibrated TV-7A/U at 58/56, 52/54, 54/52, 54/52 where 32/32 is the minimum.

Free domestic shipping included. 

We combine shipping cost for international shipping.  

Wait for updated invoice after making purchase.