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Component
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Frequency Range
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Sensitivity
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8124
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4-inch, Full-range,
In-Ceiling Loudspeaker
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4 in (100 mm),
Full-range Driver
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60 Hz – 18 kHz
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93 dB (1 kHz – 8 kHz),
1W, 1M
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Component
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Frequency Range
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Sensitivity
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8128
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8-inch, Full-range,
In-Ceiling Loudspeaker
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8 in (200 mm),
Full-range Driver
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50 Hz – 16 kHz
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97 dB (1 kHz – 8 kHz),
1W, 1M
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Component
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Frequency Range (-10 dB)
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Coverage (2 kHz)
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8138
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8" (200 mm) Full-Range In-Ceiling
Loudspeaker for use
with Pre-Install Backcans
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200 mm (8 in) Full-Range, Dual-cone
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95 Hz – 18 kHz
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90° conical
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Internal Volume
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Knockouts
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Five (5) locations
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MTC-81BB8
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Pre-Install
In-Ceiling Backcan
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7.4 liters (0.26 cu ft)
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22 mm (0.87 in) diameter opening
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4 on side of can
1 on top of panel of can
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Material
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Attachment Points
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Thru-Holes
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MTC-81TB8
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Pre-Install In-Ceiling
Tile Bridge for
Pre-Install Backbox
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19 gauge (1.0 mm thickness) steel,
finished in black polymer
e-coating for a high level of rust resistance.
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4 clip-nuts (ie, speed-clips, tinnerman clips) fit 4 mm tapping screws attaching speaker to tile bridge.
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4 thru-holes on 286 mm (11.25 in) mounting circle for attaching tile bridge to backcan
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