Used Preamplifier Triodes
TYPE
6463
6SL7
6SN7
E80CC
EC 81
ECC40
ECC81 / 12AT7 / 6201 / E81CC / ECC801S
ECC82 / 12AU7 / E82CC / ECC802S
ECC83 / 12AX7 / E83CC / ECC803S / E283CC
ECC85 / 6AQ8
ECC88 / 6DJ8 / CCa / E88CC / 6922 / PCC88
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