Metal Ruby Needle stylus turntable needle for gramophone 2015

    Metal  Ruby Needle stylus turntable needle for gramophone  2015

SPEC FOR    Needle stylus turntable needle : 

1.Horizontal Compliance: 6.8x10-6 cm/dyne+-20%

2.Vertical Compliance: 3.0x10-6 cm/dyne+-20%

3:Frequency Response:  80Hz - 1kHz +-7dB

4:.Channel Separation at 1Khz: >15dB

5: Channel Difference: < 3dB

6:.Recommended Load Impedance: 1 MΩ 100pF 

7:.Equivalent Capacity per Channel: 850-1100pF

8:.Recommended stylus pressure 4 to 6 grams