4 Pin Gold Socket for <br>300B, 811 and 2A3

4 Pin gold ceramic socket for 300B, 811 and 2A3.

Mounting center 1 13/16"

For maximum performance and longevity, vacuum tubes should always be stored and transported in a safe and secure fashion. The TubeCube and the TubeCube Pro provide a customizable shock-resistant environment for your tubes and helps prevent them from becoming microphonic or damaged.

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