No type 6A6 NU NOS amplifier audio vintage radio vacuum tube valve ST shape 6A6G
Tube has black smooth plates, bottom side rectangular getter. printed base, tube tests: 98, 100 %. Tested on Triplett tube tester for shorts and leaks as well.
No type 6A7 radio audio amplifier engraved vacuum 2 tubes valves tested ST 6A7G
Engraved base, tube tests Price is for all tubes pictured.