Mullard GZ37 (CV378)The Mullard GZ37 / CV378 tube is a indirectly heated full-wave vacuum rectifier. Although it is not a direct sub to the GZ34/5AR4 tube or 5U4G tube, it can be used in many of these circuits. Audiophiles have known for years of the GZ37/CV378 tube and it's wonderful sound quality. Owners of hi-end amplifiers such as Jota, Diavolo, and PX25 by Art Audio use these in the unique dual-mono power supplies. 
Other Mullard tubes Other Rectifier Tube TypesAvailability: Usually ships within 24 hours. |
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| What is "New Old Stock"? This is a "New Old Stock" tube; it is no longer in production. | |
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