845 أنبوب HiFi الصوت مُضخّم صوت عدة DIY (1 قطعة 845)
وصف
Comparator
845 Features: Directly heated needle-shaped tungsten cathode triode, suitable for A1Ab1 class power amplification. Mica sheet design can effectively prevent leakage and noise. Gold-plated feet
Buy 2 = a precision matched pair. Buy 4 = a precision matched quad.
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