Description
Rare matching construction pair of Tung-Sol 80's, late 1930's with Tung-Sol type mica support. Test 72/74 & 72/78 where 54 is pass in a calibrated Hickok 539-B. Tight base. No loose glass. Slight rattle on one when shaken. Please see our other items for more vintage tubes & audio. We combine orders for shipping. We cannot be responsible for what tubes test in another tester. We don't change values for customs. Thank You.