No type 27 Tung-Sol radio audio vintage vacuum 2 tubes valve tested ST 227 327

One Tested Good Type 84 / 6Z4 Vacuum Tube - Many Available

RCA TYPE 84/6Z4 RECTIFIER VACUUM TUBE FOR OLD RADIOS TEST GOOD

(1) TUNG-SOL 25Z6GT Vintage Radio VACUUM TUBE Tested 100% good on B&K 707

6BE6 Tung-Sol 4 radio audio vintage amplifier vacuum tubes valves tested 5750

6DR7 NOS Tung-Sol radio audio amplifier electron vacuum tubes 4 valves tested

(1) Vintage TUNG-SOL Type 50 Radio Vacuum Tube Heathkit TT-1 TESTED USA -USED

(1) NOS TUNG-SOL 6AU4GT Vintage Radio VACUUM TUBE Tested good on a Hickok 539C