9-PIN Ceramic Tube Socket Brand new 9PIN B9A Vacuum Tube Socket Tin plated, Gold plated pins and fix ring Bottom Chassis Mount Material: Ceramic Mounting Screw Hole Distance:29mm Panel Cut Out:19mm Attach to 12AX7,12AU7,12AT7,ECC83,ECC82,6DJ8,6922,5670,EL84 etc. Quantity:1PCS