The Desono CM30DTD two-way 4.25" ceiling loudspeaker delivers crystal clear audio for all your public address and background music needs. Its 4.25” polypropylene woofer and 1” tweeter results in a high SPL and extremely low distortion, ensuring exceptional clarity over the entire frequency spectrum. The CM30DTD utilizes a 5-position switchable transformer ranging from 1.75W to 30W with a low-impedance bypass for constant-voltage operation, making it an excellent choice for large areas of BGM. Designed with the installer in mind, they can be blind-mounted from below the ceiling, and feature a magnetic grille for easy toolless installation and removal that can also be painted to match the room decor. Additionally, the tap switch is located on the face of the loudspeaker, so adjustments can be made without requiring ceiling access. Desono CM30DTD loudspeakers are an ideal choice for a multitude of environments that demand superior speech intelligibility and full range music reproduction.
Applications
Conference Rooms · Hallways · Training Rooms · Multipurpose Rooms · Lunch Rooms · Manufacturing Areas · Offices · Waiting Rooms
Biamp Desono CM30DTD Key Features
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Zoom Rooms Certified
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Requires only 5.2-inch (131 mm) mounting depth
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High speech intelligibility coupled with full-range music reproduction
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Thin-edge, magnetically attached grille
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Tap switch allows for 70V/100V or 16Ω low impedance operation
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Tuned bass reflex port for optimized low frequency performance
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Loudspeaker overload protection for 24/7 failsafe operation
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Suitable for use in air handling spaces per NFPA 70, NFPA 90
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Conforms with City of Chicago codes
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ETL listed to conform with UL Std 1480A and UL 2043; Certified to CSA C22.2#62368-1
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5-year warranty
Biamp Desono CM30DTD Specifications
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GENERAL
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Diameter
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8.8 inches (223 mm)
Cutout Diameter: 7.6 inches (193 mm)
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Weight
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5.5 lbs (2.5 kg)
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Mounting
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Mounting Provisions: 2 mounting clamps with grip range of 0.2" - 2.6" (3 - 65 mm); Cover plate with 0.75" (22 mm) NPT knockout for conduit connectors
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Accessories
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Included Accessories: Tile rails; tile rail spacers; cutout template
Optional Accessories: SQGR square grille
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ENVIRONMENTAL
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Operating Environment
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Indoor
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POWER
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Power
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Continuous Power Handling @ Nominal Impedance: 28V 50W @ 16Ω (200W peak)
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LOUDSPEAKER
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Loudspeaker System
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Protection: 3-step self-resetting protectionTransducers: LF: 1 x 4.25" (108 mm) treated paper cone, HF: 1 x 1" (25 mm) soft dome
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Operating Mode
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Passive
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Operating Range
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90 Hz to 22 kHz
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Beamwidth
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Nominal Beamwidth (H x V): 120° conical
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Transformer
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Transformer Taps - 70V: 30W, 15W, 7.5W, 3.75W, 1.75W
Transformer Taps - 100V: 30W, 15W, 7.5W, 3.75W
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Sensitivity
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Nominal Sensitivity @ 1m: @ 1W 87 dB @ 2.83V 83 dB
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AUDIO
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Input Type
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Input Connection: (1) 4-way Euroblock connector with permanent pass-through
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SPL
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Nominal Maximum SPL @ 1m: Peak 110 dB Continuous 104 dB
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CERTIFIED SOLUTIONS
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Zoom
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Zoom Certified
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COMPLIANCE
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Certifications
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ETL listed to comply with UL 1480A and UL 2043;
Certified to CSA C22.2#62368-1;
Suitable for use in air handling spaces per NFPA 70, NFPA 90
Conforms with City of Chicago Codes
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Safety Features
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2 hang points
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