Встраиваемая акустика BOSE FreeSpace DS 40F. Инструкция на английском языке

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FreeSpace  DS 40F
loudspeaker
Key Features                                                                                          T
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• Full-range loudspeaker with a single 4.5" (114 mm) driver in a ported
enclosure to deliver a 125° conical coverage pattern and clear,                                     C
intelligible music and speech reproduction for flush-ceiling or pendant-                            H
mount applications
• Integrated multi-tap transformer with innovative thumb wheel                                        N
adjustment for easy-to-change tap setting from underneath the                                       I
loudspeaker grille                                                                                  C
• Shortcan design allows installation in shallower ceilings with minimum                              A
depth of 6.4" (163 mm)
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• Shared voicing across entire FreeSpace DS product family enables
DS 16, DS 40 and DS 100 loudspeakers to be integrated on the same
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system and maintain consistent tonal quality
• Supported by a suite of accessories, including ceiling-mount bracket,                               A
adjustable tile bridge, pendant-mount kit and square grille                                         T
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Product Overview
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The Bose ®  FreeSpace DS 40F is the most versatile member of the DS loudspeaker family. It is a high-performance, full-range, flush-
mount loudspeaker designed for foreground and background music and speech reproduction in a wide range of installed applications.  H
The DS 40F features high output and 125° conical pattern with a frequency range down to 70 Hz.        E
Technical Specifications                                                                              E
System Performance                                                                                    T
Frequency Response (+/-3 dB) 1  80 Hz - 17 kHz
Frequency Range (-10 dB) 1  70 Hz - 19 kHz
Nominal Dispersion    125° conical
Recommended High-Pass Filter  70 Hz high-pass filter
Loudspeaker EQ        Recommended
Overload Protection   PTC/Resistor
Long-Term Power Handling 2  40 W (160 W peak)
Sensitivity (SPL / 1 W @ 1 m) 3  87 dB SPL
Maximum SPL @ 1 m 4   103 dB SPL (109 dB SPL peak)
Nominal Impedance     8 ? (transformer bypassed)
Transformer Taps (70/100 V)  70 V: 2.5 W, 5 W, 10 W, 20 W, 40 W
100 V: 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
fuse are required. Wire gauge: 18 AWG (0.8 mm) to 14 AWG (2.0 mm)
Suspension / Mounting  Three integrated quick-install mounting arms. Three mounting points at the rear of the enclosure for use with optional accessory pendant mount
kit. Safety cable attachment: .35" (8.9 mm) diameter hole on junction box
Dimensions            Outer flange diameter: 11.8" (300 mm)
Depth: 6.0" (153 mm)
Ceiling hole diameter: 10.5" (267 mm)
Ceiling Thickness (Maximum)  2.5" (64 mm)
Net Weight            8.3 lb (3.7 kg) - with transformer    6.3 lb (2.8 kg) - 8 ? variant
Shipping Weight       11.0 lb (5.0 kg) - with transformer   9.0 lb (4.1 kg) - 8 ? variant
Product Code
Black                 321278-0130 - with transformer        321278-0140 - 8 ? variant
White                 321278-0230 - with transformer        321278-0240 - 8 ? variant
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.
Bose Professional Systems Division                                                      1   OF 6
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FreeSpace  DS 40F
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loudspeaker
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Directivity Index and Q                                                                               E
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Beamwidth                                                                                             A
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Impedance
On-Axis Response
Bose Professional Systems Division                                                      2   OF 6
p r o . B  o s e . c o m

FreeSpace  DS 40F
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loudspeaker
Tap Chart                                                                                             T
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Mechanical Diagrams                                                                                   A
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Bose Professional Systems Division                                                      3   OF 6
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