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Audio and Video Talk
Vinyl
Grace Sigma-709 Integrated Pickup Arm
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<blockquote data-quote="helium" data-source="post: 1014574" data-attributes="member: 23405"><p>I bought a used Sigma 709 in 2014 and have been using it ever since. I think it is a really beautiful product. </p><p>Its specification listed in the manual are as follows.</p><p>(Released in 1968)</p><p>Effective Length: 237 mm</p><p>Overhang: 15 mm</p><p>Pivot to Spindle: 222 mm</p><p>Cartridge Type:Moving Magnet</p><p>Freq Response: 20Hz - 30kHz</p><p>Output Voltage: 5mV</p><p>Channel Balance <=0.5dB</p><p>Channel Separation <=-30dB</p><p>Tracking Force: 1.5g</p><p>Dynamic Compliance: 20 x 10-6cm/Dyne</p><p>Output Impedance: 2400 Ω</p><p>Load Impedance: 47kΩ(30-100kΩ)</p><p>Effective Mass: 9.5 g(including a cartridge)</p><p>Low Cutoff Frequency: 12-13Hz</p></blockquote><p></p>
[QUOTE="helium, post: 1014574, member: 23405"] I bought a used Sigma 709 in 2014 and have been using it ever since. I think it is a really beautiful product. Its specification listed in the manual are as follows. (Released in 1968) Effective Length: 237 mm Overhang: 15 mm Pivot to Spindle: 222 mm Cartridge Type:Moving Magnet Freq Response: 20Hz - 30kHz Output Voltage: 5mV Channel Balance <=0.5dB Channel Separation <=-30dB Tracking Force: 1.5g Dynamic Compliance: 20 x 10-6cm/Dyne Output Impedance: 2400 Ω Load Impedance: 47kΩ(30-100kΩ) Effective Mass: 9.5 g(including a cartridge) Low Cutoff Frequency: 12-13Hz [/QUOTE]
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Audio and Video Talk
Vinyl
Grace Sigma-709 Integrated Pickup Arm
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