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DescriptionDeveloped especially for 4-channel records, the G-707 is an ultra light weight semi-integrated pick-up arm.
It embodies the quality of the Grace integrated Sigma 709 arm coupled with the versatility of the Grace G840 arm.
When used with a 4-channel stereo cartridge, or a high compliance cartridge, the G707 gives the superb reproduction available only from an integrated pick-up arm.
The use of a 6mm diameter light alloy pipe specially hard finished for good appearance, eliminates unwanted resonances.
In order not to distort the mid frequencies, because of dead mass, the arm is provided with a non-interchangeable acrylic head shell.
This is an integral part of the entire arm, however, changing cartridges can still be easily changed.
A high precision double gimbal pivot refined over 10 years of manufacturing experience is used on the G-707.
The gimbals now use aircraft instrument micro pivot bearings to reduce friction resistance to less than 20 milligrams.
The balancing of the arm is done by sliding and turning the weights in steps of 0.1g.
Also, by use of the slide feature, cartridges varying in total weight between 4.5 and 12.5g can be perfectly adjusted.
An arm director, which was formerly supplied as an optional accessory, has been incorporated, resulting in a smooth positive lowering motion.
A bias adjuster is also incorporated, and used both the rotating lever and weighted string principle to achieve perfect tracing of the record grooves.
SpecificationsOverall length: 313mm
Effective length: 237mm
Arc of movement: approx 80 degrees
Stylus overhang: 15mm
Bearing friction: less than 20mg
Stylus pressure adjustments: 0.1g
Suitable cartridge weight: 4.5 to 12g
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Age : 25
Location : IPOH, PERAK
Registration date : 2021-01-06
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