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The QUAM NICHOLS COMPANY C5/BU/CK1/S is a clock baffle speaker designed for distributed audio systems operating on 25-volt or 70-volt constant-voltage lines. This type of speaker integrates into a clock housing or baffle assembly, allowing it to blend into commercial and institutional ceiling or wall installations without the appearance of a dedicated speaker enclosure. It is typically installed by audio-visual contractors, low-voltage technicians, or commercial electrical contractors working on paging, background music, or intercom systems.
The C5/BU/CK1/S is suited for on-wall installation in commercial, institutional, and light industrial environments where distributed 25-volt or 70-volt audio is the standard architecture. Typical applications include schools, offices, houses of worship, retail spaces, and healthcare facilities that require unobtrusive audio coverage. The clock baffle form factor makes it especially practical in spaces where visible speaker grilles are undesirable.
Designed for use with 25-volt and 70-volt constant-voltage distributed audio systems commonly found in commercial and institutional on-wall speaker installations.
Installation should be performed by a licensed low-voltage technician or audio-visual contractor familiar with constant-voltage distributed audio systems. De-energize the amplifier and confirm zero voltage on the line before making speaker connections. Follow NEC Article 725 guidelines for Class 2 or Class 3 low-voltage wiring as applicable to the installation. Verify transformer tap settings on the speaker match the intended wattage allocation for the circuit zone before powering the system.
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
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