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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
Customer
Reviewed in the United States on August 21, 2023
Very well built. The el84 adapter worked perfectly. I order the el34 adapter too so I’ll be leaving a review for that soon.
telehack
Reviewed in the United States on July 25, 2023
I was able to insert a 6L6 in the socket that was not keyed correctly. Removing the tube caused the keying shaft to break off. Its usage is OK as long as you pay careful attention to proper keying.
David V
Reviewed in the United States on June 26, 2023
Bought 2 and only 1 worked.
S. Marshall
Reviewed in the United States on January 18, 2023
Checked continuity and anode was completely dead. Junk. Avoid!
Customer
Reviewed in the United States on April 26, 2023
Very nice. I cannot make em any better. Thank you
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