Sunday, April 19, 2020

MC Phono Stage with Large Capacitance Load

(中文在後)Most MC phono stages do not offer variable capacitance loads. Even when they do, like my Tom Evans Groove+ SRX2, only offer values in the pF range. This phono stage from Chord is quite unique in providing an option to add 2.2uF to any impedance value. And such a large capacitance load indeed helps smooth the high frequency response of a typical MC cartridge, which was not observed before with pF-range values.
絕大多數MC唱放不提供調整電容負載,即使有,像我的Tom Evans唱放,可調值最大才到幾百pF。雖聽得出差別,但測量頻響時看不出差異。這台Chord唱放竟然可以在任何阻抗值,選擇加或不加2.2uF的大電容值。而在實際測量時真的看到,加了之後可以將MC唱頭高頻常見的上揚現象予以抑制。

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