AMPTATA M2-EL84 Amplifier Vacuum Tube Bias Cathode Current Tester mA Version Tool for EL84 6BQ5 6P14 7189 6P1

AMPTATA M2-EL84 Amplifier Vacuum Tube Bias Cathode Current Tester mA Version Tool for EL84 6BQ5 6P14 7189 6P1

M2-EL84 suitable for EL84 6BQ5 6P14 7189 6P1 etc. M2-EL84 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-EL84 wire length about 65cm. Ceramic socket and plated Gold for long life

M2-EL84 wire length about 65cm

M2-EL84 test tool is through multimeter get tube's mA

For matching vacuum tube

M2-EL84 suitable for EL84 6BQ5 6P14 7189 6P1 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