Description: Product DescriptionBrand Model : Amptata M2 M2-300B suitable for 300B 2A3 101D 102D VT25 VT52 275A 6A3 71A 801 201 26 10 50 250 45 75 205 104 etc.M2 test tool is through multimeter get tube's mAMeasures 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 ConnectorsM2 wire length about 65cm. Ceramic socket and plated silver for long life Note:01:Keep the amplifier silent during use M2, 02:Turn off speaker sound,Do not turn on sound play songs,03:Insertamplifier just is let the tube get power and warm up, 04:Read most accurate's tube cathode current in working stateHow to use:01:Set multimeter to the mA range (most common is 200mA)02:M2 Black banana plug into COM jack of multimeter03:M2 Red banana plug into mA jack of multimeter04:Turn off amplifier.05:Remove the tubes then plug in M2 socket.06:Then plug M2 in amplifier socket.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.08:Read the bias measurement.09:Matched tube should be no more than 2 or 3 mA difference for a good balance between the tube
Price: 13.78 USD
Location: shenzhen
End Time: 2024-09-08T09:06:55.000Z
Shipping Cost: 0 USD
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Return shipping will be paid by: Buyer
All returns accepted: Returns Accepted
Item must be returned within: 60 Days
Refund will be given as: Money back or replacement (buyer's choice)
Return policy details:
Brand: Amptata
Unit Type: Unit
Model: 300B 2A3 101D 102D VT25 VT52 275A 6A3 71A 801 201 26 10 50 250 45
UPC: Does not apply
MPN: Does not apply
Unit Quantity: One
Country/Region of Manufacture: China
California Prop 65 Warning: no
