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U18/20, GEC, BROWN BASE, MC, MARCH 1956 PRODUCTION

U18/20, GEC, BROWN BASE, MC, MARCH 1956 PRODUCTION

GEC (M.O. VALVE COMPANY)

Regular price £175.00 GBP
Regular price Sale price £175.00 GBP
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U18/20, GEC, BROWN BASE, MC, MARCH 1956 PRODUCTION

On offer today, on of these superb and scarce devices - a U52 on a B4 base, yes, thats right, same internals and envelopes perched on a B4 base!

This one shows superb emission and matching of the two diode sections.

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