Bose FreeSpace DS 40F Технический паспорт - Страница 2
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FreeSpace
DS 40F
®
Loudspeaker
Detailed Product Specifications
Power handling
1
Nominal Impedance (transformer bypass)
Sensitivity
2
(at 1W @ 1m)
Maximum SPL
3
(pink noise @ 1m @ rated power)
Frequency range
(-3 dB)
4
Beamwidth (-6 dB point, average 1 – 4 kHz)
1– 4
See "How our Loudspeakers are Measured" on page 8.
Additional Product Information
Performance of the FreeSpace
can be maximized through the use of the
recommended Bose
loudspeaker equalization
®
resident in select Bose electronics or by using
other equipment with parametric equalization.
Recommended Loudspeaker Equalization Curve
10
5
0
−5
−10
20
2
OF
8
p r o . B o s e . c o m
40W
8
87 dB-SPL
103 dB-SPL
109 dB-SPL (Peak)
80 Hz – 16 kHz
125° conical
DS 40F loudspeaker
®
100
Frequency (Hz)
Ω
The loudspeakers can be used out of the box
with a 70-Hz high-pass filter when recommended
loudspeaker equalization is not used.
1000
10000
20000