邝老大说的是这颗GRADO的动铁MI唱针吗？频率响应10-60KHz
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Frequency Response 10-60KHz
Principal MI
Channel Separation at 1KHz 35
Imput Load 47K
Output at 1KHz 5CM/sec. 5mV
Recommended Tracking Force 1.5
Stylus Type E
Inductance 45mH
Resistance 475
Compliance CUs 20
Stylus Replacement U=user U
Mounting S/P
Weight 5.5
这颗在频率响应和循迹能力方面都相当不错，唯一需要注意的是，这颗动铁对于马达的干扰比较敏感，有可能会产生低频的嗡嗡作响。
