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About the Quad 12 OB Servo
The GR Research Quad 12 OB Servo Subwoofers are a specialized subwoofer system designed for use with Quad loudspeakers or other dipole/open baffle speakers. This system consists of a pair of 12" woofers mounted in opposing fashion within an open baffle W or H-frame. It is powered by the Rythmik A370 plate amplifier, which includes a shelving circuit to counteract low-frequency cancellation typical in open baffle designs. The woofers (model SW-12-16FR) incorporate servo control technology, which is rare for open baffle applications, providing precise and fast bass response that complements the speed of electrostatic or other open baffle speakers. The frames can be custom-built to fit various configurations, and the system benefits from the advantages of open baffle speakers combined with the Rythmik servo system. This product is unique in the market for bringing servo control to open baffle subwoofers, enhancing bass performance and integration with dipole speakers.
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