Duende Criatura - 45, 300B, 2A3, EL37 etc.

One of the best ways to improve your tube equipment's performance, tube rings by Duende Criatura are a tweaker's paradise. Specifically made for 45, 300B, 2A3, EL37 and similar sized tubes, Duende Criatura tube rings can really help to eliminate innate vacuum tube problems. To learn more about Duende Criatura tube rings, read this review in Hi-Fi magazine.

Ring Size: 39 - 42 mm

Price is for a Pair of Rings

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.

Shipping for $3.95 >>>See Limitations<<<
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