1PC 6F8G TO 12AX7 6.3V 8pin to 9pin Vacuum tube adapter Convert for Audio AMP DIY

Upper side socket for 6F8G or 6C8G tubes,
Bottom pins are 9pins for : 6.3V filament tubbes: 12AX7 or 12AU7 12AT7 ECC81 ECC82 ECC83 7025 CV4003 CV4004 5751 5814 6021