7 Pin Tube Socket, Ceramic, Porcelain. Johnson 247 / RCA UT-106, 122-247, For 832, 829B, 4D32, 3CX1500A7 Tubes and others. NOS
The 0A2 OA2 is a two electrode, inert gas filled, cold cathode tube for use in voltage regulator applications.
9 Pin Tube Socket, Ceramic, Porcelain. For 12AX7 / B9A and others.
9 Pin Vacuum Tube Socket Panel Chassis Mount for ECC81 ECC82 ECC83 EL84 6922 Vacuum Tubes and more...
Here are some other popular tubes that use this tube socket base, 12AT7/ECC81,12AU7/ECC82, 12AX7/ECC83, 6BQ5/EL84, 6922/ECC88, 5670, 6CG7 / 6FQ7