9pin Noval Tube Ceramic Socket Audio Amplifier 1.High Quality; 2.Brand New; Tube Socket Belton styleHigh Quality, Brand NewFit for 9pins Noval tubes 12AX7 12AU7 ECC83 ECC82 6DJ8,12AT7 .....B9A Base, PCB pins 9pin Noval Tube Ceramic Socket Audio Amplifier