A pair of Groove Tubes GT-6L6-R vacuum tubes found during a warehouse cleanup. The matching number is "Matched 4". These tubes have the round tone characteristics of the classic 6L6 series and are a good match for Fender amps (Twin Reverb, Bassman, Hot Rod, Blues Deluxe, etc.). ・Manufacturer: Groove Tubes ・Model: GT-6L6-R ・Matching Number: 4 ・Condition: Warehouse stored (never powered on) ・Operational check: Not performed due to lack of environment (as-is) There is no clouding or cracking in the glass. Please check the appearance in the photos. ※Due to being a warehouse-stored item, no operational guarantee is provided. 　Sold as-is. 　No cancellations or returns are accepted after purchase (NCNR - No Claims, No Returns).