Active Audio Ray-On B70 Sound bar User Manual
- June 3, 2024
- Active Audio
Table of Contents
Active Audio Ray-On B70 Sound bar
General presentation
The Ray-On B70 sound bar is designed for the sound reinforcement of narrow spaces such as:
- Corridors, escalators
- Shopping alleys
- Shopping malls
- Railway platforms
B70 will also ensure the sound reinforcement of spaces with limited coverage areas, such as:
- Video-conferencing equipment
- Huddle rooms
- Small spaces in museums
The arc position of the drivers allows a perfect directivity control in the
spatially and in the frequency domain.
This directivity control allows to limit the sound disturbance in the sound
reinforced spaces’ neighbourhood.
Positioning
The B 70 sound bar is horizontaly mounted, above the area to be sounded in
transverse direction as shown in figure 1
The width of the zone to be sounded and the recommended space between the
loudspeakers is given by the mounting height. Picture N°2 gives these values
in function of the mounting height.
Figure 1: B70 positioning (on a wall or above the audience area in transverse direction)
Distance between B70 and the middle of the covered area(m)
Figure 2: Width of the covered area and advised distance between loudspeakers according the mounting height
Modeling CAO
There are powerful CAD software tools that can predict the acoustics of a room and accurately model the radiation of loudspeaker arrays. These tools can calculate various acoustic indices, such as reverberation time, sound pressure level, STI, etc. The sound radiation of the Ray-On B70 loudspeaker can be predicted directly using CATT-Acoustic™ or EASE software.
Equalization and tuning
Ray-On B70sound bar may be used without any equalization, but using one is
advised.
Equalization flattens the loudspeaker’s frequency response and protects the
drivers by
filtering low frequencies.
The table 1 gives detailed informations about these equalizations. The
corresponding frequency curves are presented in figure 3 on the facing page.
| Bande | F (Hz) | G (dB) | Q | Q (Oct) |
|---|---|---|---|---|
| 1 | 1600 | +4 | 0.2 | 4.7 |
| 2 | 2700 | -4 | 1 | 1.4 |
| 3 | 3600 | +3 | 1 | 1.4 |
| 4 | 5500 | -3 | 0.6 | 2.2 |
| 5 | 8000 | +6 | 0.3 | 3.7 |
| 6 | 10500 | +5 | 1 | 1.4 |
| 7 | 14000 | +2 | 0.5 | 2.5 |
| 8 | 130 | 0 | HPF | HPF |
Figure 3: Advised equalisation curves with (rede) and without (blue) cells N°1 and N°6
Installation and Wiring
Ray-On B70 is horizontally mounted, usually on a wall or hanged from the ceiling, using the supplied mounting systems. The next two pages illustrate the steps to follow for the mounting.
General characteristics and technical drawings
General characteristics
Acoustical data
| Mode 8Ω| Mode 100V
---|---|---
Continuous power| 75W| 18W / 36W / 72W
SPL max| 91dB à 5m| 85 / 88 / 91 dB à 5m
Sensitivity| 71dB/W à 5m
Bandwidth (-3dB/-10dB)| 150Hz-14,5kHz / 120Hz-17kHz
Horizontal opening angle| 40° at 1kHz
Vertical directivity|
Loudspeakers| 7 x 2.5’’
Electrical data
| Mode 8Ω| Mode 100V
---|---|---
Nominal impedance| 8 Ohm| 555 / 278 / 139 Ω
Amp. power Recom.| 150W| 18W / 36W / 72W
Connectors| Lever terminal block with loop through
Wire section| 2×0,75- 2×2.5mm²
Protections| Thermal fuse
Mechanical data
| Material | Body: aluminum ; Grid: steel treated against rust and UV |
|---|---|
| Dimensions | 706 x 128 x 117 mm |
| Weight | 5,4kg |
| Environnment | IP54 de -25°C à +55°C indoor , outdoor |
| Coulors | Black (RAL 9005) White paintable (RAL 9016) |
| Monting | Wall mount or hanged |
Tuning and exploitation
| Modeling | EASE et CATT-Acoustic |
|---|---|
| Recommanded equalization |
Authers characteristics
| Warranty | 5 ans |
|---|---|
| Serial number | YYMMxxxxx |
(YY : Year ; MM : mount ; xxxxx : serial
Certification| CE
EN5424 – type B for B70TC model
Figure 4 : Impedance curve
Figure 5 : Frequency response
Figure 6: horizontal and vertical polar curves
Mechanical drawings
Figure 7: Mechanical drawings
References
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