Up for sale are 4 Raytheon Type 27 Tubes.

 Constructed with black plate and side foil D getter.

Matched date codes "F2". Strong test scores.

Tested on our calibrated TV-7A/U at 48, 48, 50, 48 where 25 is the minimum.

Please see photo's for personal evaluation and specifics.

We combine shipping cost for international. 

Please wait for update invoice after making your purchases.

Free domestic shipping.