Shuguang 12AX7-AThe Chinese 12AX7 tube (made by Shuguang) is popular with Marshall owners for its gain and bite. It is currently re-branded by Penta, Ruby Tubes, Groove Tubes, and many others. Regardless of the name, they are all the same. Availability: Usually ships within 24 hours. Quantity pricing: Order 5 tubes and save $5.00. |
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