Tested Advance Digital Tube Tester Amplitrex AT1000. Amplitrex AT1000 Advance Digital Tube Tester, Hickok 752a tube tester, AVO Type 160. 1MP 807 VT100 RCA=6L6 EL34 ”D” Getter Made in U.S.A Amplitrex Tested#542122&115.
Tested Advance Digital Tube Tester Amplitrex AT1000. Amplitrex AT1000 Advance Digital Tube Tester, Hickok 752a tube tester, AVO Type 160. 1MP 807 VT100 RCA=6L6 EL34 ”D” Getter Made in U.S.A Amplitrex Tested#542122&115.