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Cooper Wheelock STH15SR

Cooper Wheelock STH15SR
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Cooper Wheelock STH15SR


The COOPER-WHEELOCK-STH-15SR is a red horn speaker with multi-tap transformer and capacitator for line supervision. The speaker is designed for multiple power requirements with high dBA output at each power tap. The STH-15SR offers a choice of field selectable taps, 1 to 15 Watts for either 25VRMS or 70VRMS audio systems.

The STH-15SR design incorporates a compression driver, mounted on a double re-entrant horn for maximum output at minimum power across a frequency range of 400 to 4,000Hz. The speaker line inputs are compatible with standard reverse polarity supervision of circuit wiring by a Fire Alarm Control Panel (FACP). A capacitor is wired in series with the multi-tap transformer for this purpose.

    Also known as

    • Wheelock Sig./Cooper Wheelock SUPER HN, ADJUST MOUNT, 15W, RED - WH-107938

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