White ceramic PC mount socket
These are Standard 9 - pin ceramic PC mount tube sockets.
These tube sockets are used for and fit 1AX2, 1BK2, 1BX2,
1V2, 1X2B, 2AZ2, 4BC8, 4BL8, 4BQ7, 4BQ7A, 4BS8, 4BX8,
4BZ7, 4BZ8, 4KN8, 5AM8, 5AM8A, 6AM8A, 5BK7, 5BK7A, 5BQ7A,
5BS8, 5BZ7, 5CM8, 5EA8, 5ES8, 5GH8, 5GH8A, 5KD8, 5MQ8,
5U8, 5KZ8, 6AN8A, 6AQ8, 6AS8, 6AU8, 6AX7, 6AX8, 6BA8,
6BC4, 6BC7, 6BC8, 6BE8, 6BJ7, 6BJ8, 6BK7, 6BK7, 6BK7A,
6BK7B, 6BL8, 6BM8, 6BQ7, 6BQ7A, 6BR8, 6BS3, 6BS8, 6BT8,
6BU8, 6BZ7, 6BZ8, 6CG7, 6CG8, 6CL8, 6CL8A, 6CM8, 6CN7,
6CS8, 6CW5, 6CX8, 6CZ5, 6DJ8, 6DR7, 6DT8, 6DZ8, 6EA8,
6EB8, 6EH7, 6EH8, 6EM5, 6ES8, 6EU7, 6EV7, 6EZ8, 6FG6,
6FG7, 6FV8, 6GC5, 6GH8, 6GJ7, 6GJ8, 6GK6, 6GN8, 6GS8,
6HC8, 6HJ8, 6HL8, 6HU6, 6J9, 6JU6, 6JW8, 6KD8, 6LM8,
6LM8A, 6MQ8, 6MU8, 6S4, 6T8A, 6U8, 6U8A, 6X8, 6X8A, 6Z4,
7AU7, 7DJ8, 8AU8, 8BA8, 8BH8, 8BN8, 8CS7, 8EB8, 8ET7,
8JK8, 8MU8, 9AU7, 9EA8, 9GH8A, 9JW8, 9KZ8, 9U8A, 10C8,
10KR8, 11MS8, 12AB5, 12AD7, 12AE7, 12AF3, 12AL8, 12AT7,
12AU7, 12AU7A, 12AV6, 12AV7, 12AX7, 12AX7A, 12AX7B,
12AY7, 12AZ7, 12B4, 12BA6, 12BE6, 12BH7, 12BH7A, 12BK5,
12BR3, 12BV7, 12BY7, 12BY7A, 12BZ7, 12CT3, 12DF7, 12DK7,
12DL8, 12DM7, 12DQ7, 12DT7, 12DV8, 12DW7, 12F8, 12FV7,
12SQ7, 12U7, 13DR7, 17C9, 17EW8, 17H3, 17HC8, 17JK8,
19EA8, 19T8, 19X8, 25BR3, 25CT3, 5751, 5814, 5814A, 5963,
5965, 5965A, 6057, 6060, 6067, 6072, 6072A, 6189, 6201,
6211, 6211A, 6267, 6414, 6678, 6679, 6680, 6681, 6829,
6851, 6913, 6922, 6973, 7025, 7059, 7189, 7189A, 7199,
7247, 7308, 7695, 7687, 7754, ECC81, ECC82, ECC83, ECC85,
ECC88, ECC189, ECF802, EZ80, LCF802, HCC85, EL84, EL86,
HBC91, HF93, HK90, XCC189 tubes and many others.