12AX7 ECC83 E83CC ECC803S 7025 CV492 CV4004 CV4035 M8214 M8137 6057 B3391. Amperex... ... 66. Brimar... 67. Brimar... 68. Brimar... 69. CBS 12AX7... 70. CBS HYTRON ... 71. CBS HYTRON ... 72. Ei 12AX7A... ... 273. Westinghous... |
12AX7 ECC83 E83CC ECC803S 7025 CV492 CV4004 CV4035 M8214 M8137 6057 B3391. Amperex... ... 66. Brimar... 67. Brimar... 68. Brimar... 69. CBS 12AX7... 70. CBS HYTRON ... 71. CBS HYTRON ... 72. Ei 12AX7A... ... 273. Westinghous... |
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