EF86, MULLARD, SOLID SCREEN, FACTORY CODE, 9r3 B4K5, BLACKBURN, OCTOBER 1964 MANUFACTURE

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EF86, MULLARD, SOLID SCREEN, FACTORY CODE, 9r3 B4K5, BLACKBURN, OCTOBER 1964 MANUFACTURE

£25.00

On offer today one of these striking and ultra low hum devices. This one shows a particularly pleasing high gain from its anode current test data.

The Mullard EF86 features the solid screen around the anode plate and rigid internal support. The anode has a solid screen design which covers the anode plate and is grounded. Some customers consider this screen better than the mesh screen design due to it exceptionally low levels of hum.

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