Appendix A: Freespace Model 8 Loudspeaker Specifications; Acoustic Specifications; Mechanical Specifications - Bose FreeSpace 8 Installer's Manual

Appendix A: FreeSpace
A.1

Acoustic specifications

Sensitivity: 70V & 100V – 81dB 1W 1m, maximum 90dB 8W 1m
Sound pressure level (SPL) sensitivity is measured in an anechoic
chamber as follows:
• Full bandwidth pink noise is applied through a Model 8 equalizer
and fed into a power amplifier.
FreeSpace Model 8
Wattage tap
SPL at 1 meter at wattage input indicated
When the operational bandwidth is limited to speech (paging) applications,
sensitivity is increased by 1dB at each tap setting.
Impedance: 625 (70.7V),
1250 (100V) @ 8W
Power handling: 8W maximum
Bandwidth: 80Hz – 16kHz
Beamwidth: 121 at -3dB,
150 at -6dB
A.2 Mechanical
specifications
Dimensions: 10.42" x 10.87" x 6.02"
Weight: 70V & 100V – 4.2 lb (1.9 kg)
installed
Finish:
Front baffle – Arctic white polymer
Rear enclosure – aluminum,
painted black
Grille – vandal resistant,
expanded metal mesh
1 Watt
81dBA
10.87"
276.1 mm
.77"
19.6 mm
6.02"
152.9 mm
Minus "T"
T
AM177915_03_V.pdf • May 6, 2002
®
Model 8 Loudspeaker Specifications
2 Watt 4 Watt
84dBA 87dBA
10.42"
264.67 mm
5.60"
142.2 mm
6.27"
159.3 mm
8 Watt
90dBA
Figure 25
17