AMPTATA M2 Amplifier Vacuum Tube Bias Cathode Current Tester mA Version Tool for EL34 KT88 6L6 6CA7 6V6 5881 6550 KT66 KT100 KT120

• M2-EL34 suitable for EL34 KT88 6L6 6V6 5881 6550 KT66 KT100 KT120 7027 etc.
• M2-EL34 test tool is through multimeter get tube's mA
• Measures the cathode current of the power tube for bias reading (at low voltage side of the tubes )
• High-Quality 24K Gold Plated Banana Plug Male Speaker Cable Connectors
• M2-EL34 wire length about 65cm. Ceramic socket and plated silver for long life

M2 wire length about 65cm M2 test tool is through multimeter get tube's mA For matching vacuum tube M2 suitable for EL34 KT88 6L6 6V6 5881 6550 KT66 KT100 KT120 7027 etc. How to use: Turn off amp remove tube and put tube into this M2 test tool socket M2 two banana plug insert multimeter Set multimeter to the mA range (most common is 200mA) Turn on amp let tube warm up wait about 1-2 min Multimeter will show up tube's mA reading