If you don't mind to pay more, this is a great choice. Double Tested by Ampliftrex AT-1000 tester with (GM) and (Ip). Factory Platinum Matched Quad (= 4tubes) of NEW Electro Harmonix 300B Gold Grids tubes in original EH Golden Boxes. These are brand new, never used condition, thanks!! Most of the goods will be sent out within two days.We will appreciate your five stars feedback. Have any problem or items be delay. To solve the problems, Thank you for kindness. You will receive our newsletter once a week. The item "Factory Match Quad 4pc Electro Harmonix 300B tubes gold (Elegant Edition)" is in sale since Tuesday, December 17, 2019. This item is in the category "Consumer Electronics\Vintage Electronics\Vintage Audio & Video\Vintage Parts & Accessories\Vintage Tubes & Tube Sockets". The seller is "ayumitubes" and is located in TW. This item can be shipped worldwide.