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October 2026 S M T W T F S 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 Meta
Tag Archives: VD-1212
VD-1221 Replacement Substitute Diodes
VD-1221, VD-1212, VD-1220, VD-1222, and many other vintage multi-junction diodes probe to failure, which are used in bias and RF mixer circuits, can be easily replaced by series combinations of 1N4148 diodes for reliability and longevity. Continue reading
Posted in Audio, DIY, Electronics, Vintage
Tagged 1n4148, amplifier, bias, diode, diode substitute, series, Sony, substitute, TA-4650, TA-5650, TA-8650, varactor, varactor diode, VD-1212, VD-1220, vd-1221, VD-1222, vd1221, VFET
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