Product Description
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M2-EL84 suitable for EL84 6BQ5 6P14 7189 6P1 etc.
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M2 test tool is through multimeter get tube's mA
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Measures the cathode current of the power tube for bias reading (at low voltage side of the tubes )
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High-Quality 24K Gold Plated Banana Plug Male Speaker Cable Connectors
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M2 wire length about 65cm. Ceramic socket and plated silver for long life
Note:
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01:Keep the amplifier silent during use M2,
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02:Turn off speaker sound,Do not turn on sound play songs,
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03:Insertamplifier just is let the tube get power and warm up,
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04:Read most accurate's tube cathode current in working state
How to use:
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01:Set multimeter to the mA range (most common is 200mA)
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02:M2 Black banana plug into COM jack of multimeter
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03:M2 Red banana plug into mA jack of multimeter
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04:Turn off amplifier.
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05:Remove the tubes then plug in M2 socket.
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06:Then plug M2 in amplifier socket.
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07:Turn off speaker sound turn on amp (Keep amp silent) and let
tubes get warm about 5 minutes.Just turn on the amplifier without let
speaker sing.
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08:Read the bias measurement.
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09:Matched tube should be no more than 2 or 3 mA difference for a good balance between the tube