ITEM NAME:1 Piece 9-pin Vacuum Tube Sockets Connect With GZC9-F 12AX7,12AT7,12AU7 Description: For 12AX7,12AT7,12AU7,ECC83,ECC82,E88CC 6922 6n1/6n2/6n3/6n4/6n11/6P1 and other 9-pin tubes Great for repairing vintage amplifiers, HAM radio, Hifi and more It's vintage electronic socket for audio testing. 9-pin tube seat diameter 21.5mm,Mounting center hole distance 28mm Use for PCB board installation Specification: Applicable electronic tube: 6DJ8 EL84 6922 6BM8 6BQ5/EL84 6CG7/6FQ7 6DJ8/ECC88 6DL4 6EU7 6AU8 12AT7/ECC81 12AU7/ECC82 12AX7/ECC83 12AY7 12AZ7 12BH7 12BY7 5751 5814 6189 7119/E182CC 7199 E80CC EF86 etc Package Includes: 1 Piece 9 Pin Vacuum Tube Sockets SKU: DMO0011837668002795.For 12AX7,12AT7,12AU7,ECC83,ECC82,E88CC 6922 6n1/6n2/6n3/6n4/6n11/6P1. 1 Piece 9 Pin Vacuum Tube Sockets. Applicable electronic tube: 6DJ8 EL84 6922 6BM8 6BQ5/EL84 6CG7/6FQ7 6DJ8/ECC88 6DL4 6EU7 6AU8 12AT7/ECC81 12AU7/ECC82 12AX7/ECC83 12AY7 12AZ7 12BH7 12BY7 5751 5814 6189 7119/E182CC 7199 E80CC EF86 etc.