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ECC83, MULLARD, NEW SHIELD,  I63 B3B1, BLACKBURN MANUFACTURED,  FEBRUARY 1973
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ECC83, MULLARD, NEW SHIELD,  I63 B3B1, BLACKBURN MANUFACTURED,  FEBRUARY 1973 ECC83, MULLARD, NEW SHIELD,  I63 B3B1, BLACKBURN MANUFACTURED,  FEBRUARY 1973

ECC83, MULLARD, NEW SHIELD, I63 B3B1, BLACKBURN MANUFACTURED, FEBRUARY 1973

  • £40.00

Only 1 left!

 ECC83, MULLARD, NEW SHIELD,  I63 B3B1, BLACKBURN MANUFACTURED,  FEBRUARY 1973

On offer today we have a Mullard white print new shield ECC83 made at the Blackburn plant and carrying a date code for February 1973 

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 follwing results were obtained:-

A1 Ia = 1.6 mA gm = 1.3 mA/V

A2 Ia = 1.7 mA gm = 1.5 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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