6922 ЕCC88 ЕCC85 6N1P 6N2P 6N23P (SWGP) 6N6P. NOVIK CERAMIC PRO 83 (TOP: 12AU7 BOTTOM: 6SL7, 6SN7). NOVIK uses 99% high-quality components produced 40-50 yearsago. NOVIK 9PIN TO 8PIN CONVERTERS LINE.
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