Bose FreeSpace DS 40F User Manual [ru]
FreeSpace® DS 40F
loudspeaker
Key Features
• Full-range loudspeaker with a single 4.5" (114 mm) driver in a ported
enclosure to deliver a 125° conical coverage pattern and clear,
intelligible music and speech reproduction for flush-ceiling or pendantmount applications
• Integrated multi-tap transformer with innovative thumb wheel
adjustment for easy-to-change tap setting from underneath the
loudspeaker grille
• Shortcan design allows installation in shallower ceilings with minimum
depth of 6.4" (163 mm)
• Shared voicing across entire FreeSpace DS product family enables
DS 16, DS 40 and DS 100 loudspeakers to be integrated on the same
system and maintain consistent tonal quality
• Supported by a suite of accessories, including ceiling-mount bracket,
adjustable tile bridge, pendant-mount kit and square grille
Product Overview
The Bose® FreeSpace DS 40F is the most versatile member of the DS loudspeaker family. It is a high-performance, full-range, flushmount loudspeaker designed for foreground and background music and speech reproduction in a wide range of installed applications.
The DS 40F features high output and 125° conical pattern with a frequency range down to 70 Hz.
TECHNICAL DATA SHEET
Technical Specifications
System Performance
Frequency Response (+/-3 dB)
Frequency Range (-10 dB)
Nominal Dispersion 125° conical
Recommended High-Pass Filter 70 Hz high-pass filter
Loudspeaker EQ Recommended
Overload Protection PTC/Resistor
Long-Term Power Handling
Sensitivity (SPL / 1 W @ 1 m)
Maximum SPL @ 1 m
Nominal Impedance 8 Ω (transformer bypassed)
Transformer Taps (70/100 V) 70 V: 2.5 W, 5 W, 10 W, 20 W, 40 W
Transducers
Driver Compliment 4.5" (114 mm) full-range driver
Physical
Enclosure Polypropylene (front baffle), powder-coated steel (rear enclosure)
Grille Powder-coated steel grille
Environmental Indoor use only
Connectors Three-terminal barrier strip; two-terminal barrier strip (8 ohm variant). Optional accessory available for use when ceramic connector and thermal
Suspension / Mounting Three integrated quick-install mounting arms. Three mounting points at the rear of the enclosure for use with optional accessory pendant mount
Dimensions Outer flange diameter: 11.8" (300 mm)
Ceiling Thickness (Maximum) 2.5" (64 mm)
Net Weight
Shipping Weight
Product Code
Black
White
Footnotes:
1 Frequency response and range measured on-axis with recommended active EQ in an anechoic environment.
2 Power handling tested using pink noise filtered to meet IEC 268-5, 6 dB crest factor, 100 hours, with recommended EQ.
3 Sensitivity measured in free field (no boundary-loading gain) with recommended active EQ, referenced to 1W/1m.
4 Maximum SPL calculated from sensitivity and power handling specifications, exclusive of power compression.
1
1
2
3
4
80 Hz - 17 kHz
70 Hz - 19 kHz
40 W (160 W peak)
87 dB SPL
103 dB SPL (109 dB SPL peak)
100 V: 5 W, 10 W, 20 W, 40 W
fuse are required. Wire gauge: 18 AWG (0.8 mm) to 14 AWG (2.0 mm)
kit. Safety cable attachment: .35" (8.9 mm) diameter hole on junction box
Depth: 6.0" (153 mm)
Ceiling hole diameter: 10.5" (267 mm)
8.3 lb (3.7 kg) - with transformer 6.3 lb (2.8 kg) - 8 Ω variant
11.0 lb (5.0 kg) - with transformer 9.0 lb (4.1 kg) - 8 Ω variant
321278-0130 - with transformer 321278-0140 - 8 Ω variant
321278-0230 - with transformer 321278-0240 - 8 Ω variant
Bose Professional Systems Division
OF 6
1
pro.Bose.com
FreeSpace® DS 40F
loudspeaker
Directivity Index and Q
Beamwidth
TECHNICAL DATA SHEET
Impedance
On-Axis Response
Bose Professional Systems Division
OF 6
2
pro.Bose.com
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