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Shuguang Treasure KT88-Z
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Please Note: These tubes are packaged in boxed sets of two (matched pair). You need to order "2" tubes to receive this boxed set. If "Single - White Boxed" option is selected we will send un-matched tubes in the quantity ordered.
The Shuguang Treasure series KT88-Z tube sounds fantastic and looks great too. A previous Shuguang KT88 called the KT88-98 tied for top spot in our blind KT88/6550 listening tests and so we're excited about this new premium KT88 version.
The KT88-Z tube's construction features gold grid wires and a new internally coated black glass bottle. This unique HPCC coating is known as High Polymer Carbon Compound glass coating and is unique for its ability to reduce stray electron emission that can otherwise reflect off the glass. Shuguang also uses their new "Super Alloy" technology. Originally applied to aviation, aerospace, and military applications, this technology has been successfully used by Shuguang to accomplish directional solidification and single crystallization. This greatly improves the ability of electron emission and electron current stability. This new Shuguang Treasure series required additional parts selection quality control processes, improved vacuum techniques and additional burn-in time and testing. This Shuguang Treasure KT88-Z tube is their premium export grade and purchased direct from Shuguang in China.
Other Shuguang Treasure tubes KT88 Tube Types
Additional Information and Downloads
Tube Matching Information:
These tubes are packaged in boxed sets of two (matched pair). You need to order "2" tubes to receive this boxed set.
If "Single - White Boxed" option is selected we will send un-matched tubes in the quantity ordered.
Warranty Information and Return Policy Warranty Period: 3 months
All our tubes are guaranteed for 3 months from the date of purchase. (Any exceptions will be noted on that tube's Warranty tab)
If you receive a tube that does not perform to the manufacturer's specifications, please do the following:
- contact us to get a return authorization
- return it via regular mail within 90 days from when we shipped it, and we will provide an exchange or refund of the full purchase price of the tube.
Returns not related to warranty or defect will be considered at our discretion, and are subject to a 15% restocking fee.
We can not accept returns that don't have an authorization, are past 3 month, or are returned improperly.
These guidelines may be updated without notice.
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