SoundTube ST-CM-BMG-II, 5.25″ to 8″, In-Ceiling Background Music Speaker with White Seamless Magnetic Grille, White (Each)
SoundTube CM-BGM-II In Ceiling Speaker in White
Easy-access six-position tap switch for 25/70.7/100-volt and transformer bypass settings allows for easy ordering, stocking and installation. Tuned port on baffle for added musicality and bass response down to 65 Hz (-10 dB). Reduced amplification costs and maximum efficiency of 84.5 dB sensitivity, 16 ohm impedance. Incorporates a painted steel magnetic seamless grille for lasting durability. Adaptable to material thicknesses ranging from 0.035 in. (0.9 mm) to 1.6 in. (40.6 mm). UL 1480 and 2043 listed.
Specifications
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Manufacturer
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SoundTube
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Manufacturer’s Category
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CM-BGM Background Music In-Ceiling
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Shipping Weight
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9.55 lbs / 4.33 kg
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Carton Height
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8 in / 203.2 mm
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Carton Length
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13.25 in / 336.55 mm
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Carton Width
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13 in / 330.2 mm
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Certifications
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CE, RoHS, UL1480, UL2043
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Enclosure Properties
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ABS Glass Fiber Reinforced, Injection Molded, Ported
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Enclosure Volume
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350 cu in / 5735.47 cu cm
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Included Accessories
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Conduit Clamp, Cover Plate, Grille, Paint Mask
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Optional Accessories
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Square Grille (GRL-CM-BGM-II-SQ-WH)|Black Grille (GRL-CM-BGM-II-BK)|Tile Bridge (AC-CMEZ6/8-TB)|Pre-Construction Bracket (AC-CMEZ6/8-PCB)|Junction Box (AC-CM-EZ-JBOX)
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Source Inputs
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4 Pin Ceramic Terminal
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TAA Compliant (Trade America)
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No
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BAA Compliant (Made in USA)
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No
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Backcan Diameter
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9.67 in / 245.6 mm
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Backcan Height
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5.75 in / 146.1 mm
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Coverage Angle (±6dB @ 2kHz)
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105°
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Crossover Frequency
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5.0 kHz
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Cutout Width/Diameter
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10.5 in / 266.7 mm
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Directivity Factor (Q) (Averaged 100Hz – 10kHz, @ 2kHz)
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3.8 and 2.1
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Directivity Index (DI) dB (Averaged 100Hz – 10kHz, @ 2kHz)
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5.1dB and 3.3dB
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Frequency Response (± 10 dB)
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56 Hz – 22 kHz
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Frequency Response (± 3 dB)
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67 Hz – 20 kHz
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Grille Properties
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Magnetic, Micro-Flange, White, Paintable, Painted, Steel
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Low Frequency Voice Coil
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1 in / 25.4 mm
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Low Pass Crossover
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12 dB per octave 2nd order
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Max. Ceiling Thickness
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1.6 in / 40.6 mm
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Max. Continuous Power RMS
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40W
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Max. Program Power
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80 W
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Minimum Impedance (Ω Ohms)
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16 Ω
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Minimum Ceiling Thickness
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0.04 in / 0.9 mm
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Network Type: High Pass
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12 dB per octave 2nd order
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Nominal Impedance (Ω Ohms)
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16 Ω
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Tweeter Driver
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1″ Silk Dome w/ BroadBeam Ring®
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Woofer Driver
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5.25″ Polypropylene Cone w/ Butyl Rubber Surround
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Sensitivity dB @ 1W/1M
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83.5 dB
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Sensitivity dB @ 2.83V/1M
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80.4 dB
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Tap Selector
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Rotary Switch
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Transformer Taps Max. Setting (25V/70.7V/100V)
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2.5W/20W/20W
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Visible Diameter
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11.75 in / 298.5 mm
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Visible Height
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- 10 oz Dual Cone Speaker Provides Familiar Response & Performance
- Quality 5 Watt Dual Voltage Transformer
- Individually Packaged for Stocking & Ordering Convenience
- Safety Listed to UL1480 and UL2043
Applications
The SD72 is an aggressively priced, high quality speaker/transformer
package suitable for almost any paging or background application including
retail stores, restaurants, schools, and other institutional facilities
Specs
| Model | SD72 SD72W SD72WV |
|---|---|
| Size | 8" (205mm) 8" (205mm) 8" (205mm) |
| Power | Taps .25, .5, 1, 2, & 5 Watts |
| Sensitivity | 97dB Average |
| Frequency | 55Hz-19kHz (±5dB) |
| Dispersion | 105° (2kHz Octave Band, -6dB Points) |
| Diameter | 81 /8" (205mm) 123 /4" (206mm) 123 /4" (206mm) |
| Depth | 27 /8" (73mm) |
Additional information
| Color | Black, White |
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