KT88 by Shuguang (with the Cayin logo printed on glass) and ECC 83/12AX 7 and ECC 82/12AU 7 by Genalex Gold Lion.
KT88 by Shuguang (with the Cayin logo printed on glass) and ECC 83/12AX 7 and ECC 82/12AU 7 by Genalex Gold Lion.
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