(中文在後)One reason why the Decca-family cartridges are difficult to tune optimally is the sizable gap between the lateral and vertical compliance numbers (Fig. 1). With most tonearms, the lateral resonance tend to be lower than the 8--12Hz ideal range (Fig. 2) while the vertical too high (Fig. 3). Adding/subtracting mass will aggravate the situation in either of the directions.
Decca系列唱頭很難調整好的其中一個原因是橫向與縱向的順服度差異大,如圖1。在多數唱臂,會造成橫向的共振頻率低於8到12Hz的理想值,而縱向會太高。而加/減質量都會造成其中一個方向惡化。
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