Shuguang Treasure 300B-Z vacuum tubes Best Matched Pair Brand
Product Warranty
All items Guaranteed 100% Brand New In the original edition Box and Come from the original factory.
All items ONE-YEAR WARRANTY !!!
All items ONE-YEAR WARRANTY !!!
Shipping Time & Invoice Declare
All items ship with DHL/UPS/TNT/EMS, (DHL/UPS/TNT) About 3-7days delivery time, EMS About 7-15days delivery time.
We can Declare the Value of the Order as Customer's Remark!!!
We can Declare the Value of the Order as Customer's Remark!!!
Product Declaration
Shuguang Treasure 300B-Z is Directly heated cathode power transistor for Class A1 amplification
Using "High Polymer Compound Carbon (HPCC)" technology;
Using "Super Alloy " technology;
Improve the vacuum extraction technology, effectively improve the vacuum;
Gold gate, gold-plated pin, white porcelain seat;
Using new materials and processes
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