RCA 7587 
Written by AnubisTTP on 2007-05-02  

Description

The 7587 is an oddity, a Nuvistor with an anode cap. The 7587 is a sharp cutoff tetrode, which was released in 1961. This example is still contained in its original packaging, showing how Nuvistors and their sockets were boxed for the commercial market.

Photos


RCA 7587

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