AudioQuest SureGrip 300
Set of 4 AudioQuest SureGrip 300 connectors, crimp connectors in copper and beryllium with direct gold plating, for speaker cables up to 6.6 mm².
Description
The SureGrip 300 is a connector plug from AudioQuest, designed for terminating speaker cables. Sold here as a set of 4, it allows you to fit or replace the connectors of a hifi cable in order to ensure a reliable mechanical and electrical connection between the amplifier and the speakers.
This connector uses copper and beryllium conductors, an alloy prized for its conductivity and mechanical strength. The cable is clamped using AudioQuest's proprietary Cold-Weld system, a cold fixing method that avoids the need for soldering while guaranteeing a stable contact over time. The connectors receive gold plating applied directly to the contact, a solution that limits oxidation and preserves the quality of the electrical contact. ABS caps protect the whole assembly, and an Allen key is supplied for tightening.
This connector is aimed at audio enthusiasts wishing to make or repair a bespoke speaker cable, particularly when the cable section used reaches up to 6.6 mm². It will suit a stereo installation just as well as a home cinema system, where the quality of cable termination remains a point of attention.
Technical specifications
| Conductor material | Copper and beryllium |
| Fixing system | Cold-Weld |
| Connector treatment | Direct gold plating |
| Cap material | ABS |
| Cable compatibility | Up to 6.6 mm² |
| Accessory supplied | Allen key |
What to check before buying used
The Cold-Weld system depends on correct tightening with the Allen key: check that the screws are not loose, rounded or seized after an initial fitting. Examine the gold plating on the connectors, which can scratch or tarnish through repeated handling or if the connector has already been used. Also check the condition of the ABS caps, which may be cracked or poorly clipped, and make sure all four connectors in the set are complete and matching.
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