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Bose FreeSpace DS 40F

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Technic details

Specifications

Type:
Ceiling Speaker System
Frequency Response:
80Hz to 17kHz, ±3dB
Frequency Range:
70Hz to 19kHz, -10dB
Nominal Dispersion:
125° conical
Recommended High-pass Filter:
70Hz high-pass filter
Loudspeaker EQ:
Recommended
Overload Protection:
PTC / Resistor
Power Handling:
40W (Long-Term)
160W (Peak)
Sensitivity (SPL / 1 W @ 1 m):
87dB SPL
Maximum SPL @ 1 m:
103dB SPL
109dB SPL (Peak)
Nominal Impedance:
8Ω (Transformer bypassed)
[Transformer Taps]
70V: 2.5W, 5W, 10W, 20W, 40W
100V: 5W, 10W, 20W, 40W
[Transducers]
Driver Complement: 114mm (4.5”) full-range driver
Enclosure: Engineered plastics (paintable), powder-coated steel (Rear enclosure)
Grille: Powder-coated steel grille (Paintable)
Environmental: Indoor use only
[Connectors]
Three-terminal barrier strip
Two-terminal barrier strip (8Ω variant)
Optional accessory: Available for use when ceramic connector and thermal fuse are required
Wire gauge: 18 AWG (0.8mm) to 14 AWG (2mm)
[Suspension / Mounting]
Three updated quick-install mounting arms
Three mounting points at the rear of the enclosure for use with optional accessory pendant mount kit
Safety cable attachment: 8.9mm (0.35”) diameter hole on junction box
[Dimensions (H × W × D)]
Outer flange diameter: 300mm (11.8”)
Depth: 153mm (6”)
Ceiling hole diameter: 267mm (10.5”)
Maximum Ceiling Thickness: 39mm (1.5”)
[Net Weight]
3.6kg (With transformer)
2.7kg (8Ω variant)
[Shipping Weight]
4.9kg (With transformer)
3.8kg (8Ω variant)

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