The required method for delivering balanced audio and DC power to the Stella-4C is with the Stella-188 external power supply.
Powering the unit from a unipolar 12 to 18 V DC external power source reduces induced noise significantly, while the use of a low voltage supply eliminates the need for wiring conduits. Meyer Sound's patented Iso-Input transformer-isolated differential input circuit yields a high common mode signal rejection ratio (CMRR). As a self-powered loudspeaker, the Stella-4C offers simplified installation for the multichannel output of Constellation systems or other installation applications.īalanced audio and DC power are fed to the Stella-4C from a 5-pin Phoenix connector on its rear panel. The Stella-4C contains amplification and signal processing onboard, and exhibits the same low distortion, high intelligibility, and flat frequency and phase response for which Meyer Sound products are known. Offering exceptional performance for a self-powered loudspeaker of its size, the Stella-4C's single 4-inch cone transducer is capable of producing a maximum peak SPL of 108 dB at one meter over a wide frequency range of 100 Hz to 22 kHz. The Stella-4C is housed in an aluminum die cast enclosure with a heatsink on the back. The Stella-4C delivers the same acoustical performance as the Stella-4 installation loudspeaker in a package specifically designed for flushmount ceiling and wall applications, where it mounts in a standard backbox for 8-inch drivers (with a minimum depth of 6.5 inches).
The Stella-4C ceiling mount installation loudspeaker is a self-powered loudspeaker engineered primarily for use in Meyer Sound's Constellation electroacoustic architecture.
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