หัวเข็ม Shure M7D

Shure M7D Cartridge Specifications
– Frequency response: 20 ~ 15,000 Hz
– Output voltage @ 1000Hz 5 cm/sec: 5 mV
– Channel separation @ 1000Hz: >20 dB
– Tracking force: 4 ~ 7 g
– Optimum load: 47 kΩ
– Inductance: 420 millihenries
– DC resistance: 280 Ω
– Compliance: 3.5 x 10^-6 cm/dyne (100 Hz)
– Stylus: N7D, Spherical, Raidius 18 micros (.0007 in.)
– Net weight: 9.2 g