Shuguang 5AR4 / GZ34This Chinese made 5AR4 tube is a very sturdy version of the 5AR4 / GZ34 tube. As a matter of fact it has the lowest failure and/or return rate or all the 5AR4 types we sell! 
Other Shuguang tubes  5AR4 Tube TypesAvailability: Usually ships within 24 hours. |
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