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ECC83, MULLARD,  I61 B1L2, BLACKBURN MANUFACTURED, DECEMBER 1961
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ECC83, MULLARD,  I61 B1L2, BLACKBURN MANUFACTURED, DECEMBER 1961 ECC83, MULLARD,  I61 B1L2, BLACKBURN MANUFACTURED, DECEMBER 1961

ECC83, MULLARD, I61 B1L2, BLACKBURN MANUFACTURED, DECEMBER 1961

  • £55.00

Only 1 left!

ECC83, MULLARD,  I61 B1L2, BLACKBURN MANUFACTURED, DECEMBER 1961

On offer today we have a Mullard white print ECC83 made at the Holland Heerlen plant and carrying a date code for August 1958.

For Va = 250 V Vg = -2.0V against a nominal specification of anode current Ia = 1.2 mA and mutual conductance gm = 1.6 mA/V, the following results were obtained:-

A1 Ia = 1.2 mA gm = 1.7 mA/V

A2 Ia = 1.2 mA gm = 1.7 mA/V

As you can appreciate this represents good matching of each triode section within the envelope and a device showing superb emission.


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