BRIMAR RED PRINT 12AT7 MATCHED PAIR OF HIGH GRADE ECC81

On offer today is a pair of Brimar Red print 12AT7 twin triodes. Carrying good red print, these test as excellentusing my AVO Valve Characteristic Meter VCM163 with the following results: At Va = 250V Vg = -2.0V U15: Section 1: Ia = 9.5 mA; gm = 5.1 mA/V U15: Section 2: Ia = 10 mA; gm = 5.1 mA/V U16: Section 1: Ia = 9.0 mA; gm = 5.1 mA/V U16: Section 2: Ia = 9.2 mA; gm = 5.2 mA/V The specification for a new/100% emission valve is: Ia = 10mA; gm = 5.5mA/V As you can see, this result show a really strong matched pair of valves with good matching of each triode section within each envelope.
Stock Code: U15/U16
Availability: 1 in stock
Delivery date: 1 week
Manufacturer: Brimar
4 887,32₽

On offer today is a pair of Brimar Red print 12AT7 twin triodes.   Carrying good red print, these test as excellentusing my AVO Valve Characteristic Meter VCM163 with the following results: At Va = 250V Vg = -2.0V 

U15: Section 1: Ia = 9.5 mA; gm = 5.1 mA/V

U15: Section 2: Ia = 10 mA; gm = 5.1 mA/V

 

U16: Section 1: Ia = 9.0 mA; gm = 5.1 mA/V

U16: Section 2: Ia = 9.2 mA; gm = 5.2 mA/V

 

The specification for a new/100% emission valve is:

Ia = 10mA; gm = 5.5mA/V

As you can see, this result show a really  strong matched pair of valves with good matching of each triode section within each envelope.

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