Amptata T3 Tube Tester Bias Current 6550 EL34 KT88 6L6 5881 KT66 KT100 6V6 mA
About AMPTATA. 1pcs T3 Tester Body. T3 can test many types. At present,We have 8pin and 9pin probes options. 01: Keep the amplifier silent during use T3. 4pcs Octal 8pin Bias Current Probes. 05: Remove the tubes then plug in T3 socket.