Up for sale are 4 Sylvania JAN-6189 12AU7 Tubes.

Constructed with gray plates, top halo getter, & copper grid posts.

Some tubes may have faded/missing labels - see photo's.

Tested on our calibrated TV-7A/U at 110/110, 104/98, 96/94, 112/106 where 56/56 is the minimum. 

Free domestic shipping included. 

We combine shipping cost for international shipping.  

Wait for updated invoice after making purchase.