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Ascendo The 15 Be Pro Passive On-Wall

Ascendo · Speaker · On-wall

Open in the designer Add to compare Opens the designer's starter room with the Ascendo The 15 Be Pro Passive On-Wall on the left, centre and right channels. It replaces the design open in this browser once you edit it, as a shared link does.

Specifications

Property Value Source
Sensitivity 95.3 dB/2.83V/m voltage: 2.83V · distance: 1m · loading: unstated · unit: dB/2.83V/m Sensitivity: Independent measurement, Klippel NFS measurement report Independent measurement, Klippel NFS measurement report, Document ↗
Impedance, nominal 8 Ω Impedance, nominal: Not stated in the record Not stated in the record
Impedance, minimum Not stated The record carries no minimum impedance. —
Maximum SPL 125 dB (continuous) loading: half_space · basis: continuous Maximum SPL: Manufacturer, Ascendo THE15 BE PRO P OW technical data Manufacturer, Ascendo THE15 BE PRO P OW technical data, Document ↗
LF extension 70 Hz (-3dB) tolerance: -3dB LF extension: Manufacturer, Ascendo THE15 BE PRO P OW technical data Manufacturer, Ascendo THE15 BE PRO P OW technical data, Document ↗
Coverage, H × V 85° × 85° tolerance: unstated · frequency: unstated Coverage, H × V: Manufacturer, Ascendo THE15 BE PRO P OW technical data Manufacturer, Ascendo THE15 BE PRO P OW technical data, Document ↗

Measured directivity

Measured horizontal and vertical directivity is on file for this model. The Cinema Designer's reflections engine uses it in place of the coverage-angle model.

Source type
Independent measurementDirectivity: Independent measurement, Klippel NFS measurement report
Source
Klippel NFS measurement report, Contralto Audio
Confidence
high
Note
Read 2026-09-26 from the vector paths of the SPL Horizontal / SPL Vertical pages (openavdb extraction script).

Open the source document

Horizontal off-axis response

  • Extracted from a published plot
Horizontal off-axis response, Ascendo The 15 Be Pro Passive On-Wall: extracted from a published plot. Relative to on-axis (dB) against frequency (hz), 20 to 20000 Hz. -40 -30 -20 -10 0 10 20 50 100 200 500 1k 2k 5k 10k 20k Frequency (Hz) 0° 20° 40° 60° 90° 0°20°40°60°90° Relative to on-axis (dB) Horizontal off-axis response, Ascendo The 15 Be Pro Passive On-Wall: extracted from a published plot. Relative to on-axis (dB) against frequency (hz), 20 to 20000 Hz. -40 -30 -20 -10 0 10 20 100 1k 10k Frequency (Hz) 0° 20° 40° 60° 90° 0°20°40°60°90° Relative to on-axis (dB)
  • 0°
  • 20°
  • 40°
  • 60°
  • 90°
Plotted values
Hz0°20°40°60°90°
200—2.333.934.8
2500.421.372.032.42
31.500.180.550.831.02
4000.110.320.480.57
5000.030.140.240.29
63000.060.110.15
800-0.030.010.050.06
1000-0.06-0.03-0.02-0.02
125000.030.030.02
16000.110.160.190.18
2000-0.02-0.09-0.16-0.21
2500-0.13-0.46-0.84-1.11
31500.05-0.21-0.6-0.88
4000-0.03-0.35-0.78-1.1
5000-0.18-0.8-1.68-2.36
6300-0.86-2.46-4.43-6.02
8000-0.92-2.74-5-6.77
10000-1.08-3.67-7.12-10.13
12500-1.91-6.15-11.19-14.54
16000-1.45-4.93-8.68-11.25
20000-1.14-4.39-8.32-11.88
25000-1.35-4.77-9.59-13.33
31500-1.73-6.6-11.69-14.92
40000-1.15-4.85-10.04-13.33
50000-0.68-4.14-10.13-13.76
63000-1.4-4.56-11.33-16.02
80000-0.52-6.25-15.86-19.39
100000-0.81-8.35-18.41-21.86
125000-3.15-10.27-23.01-24.1
160000-7.37-17.16-24.12-26.2
200000-12.67-15.26-22.87-28.77
Relative to on-axis at each third-octave band; published 0 to 90° (symmetric). Gaps: No value below 21.19 Hz: the curves fall under the plot's 55 dB floor on report page 14, so the page does not show them. Source conditions: vector paths read from the SPL Horizontal / SPL Vertical pages (openavdb extraction script). Source: Klippel NFS measurement report, Contralto Audio MEAS

Vertical off-axis response

  • Extracted from a published plot
Vertical off-axis response, Ascendo The 15 Be Pro Passive On-Wall: extracted from a published plot. Relative to on-axis (dB) against frequency (hz), 20 to 20000 Hz. -40 -30 -20 -10 0 10 20 50 100 200 500 1k 2k 5k 10k 20k Frequency (Hz) 0° 20° 40° 60° 90° 0°20°40°60°90° Relative to on-axis (dB) Vertical off-axis response, Ascendo The 15 Be Pro Passive On-Wall: extracted from a published plot. Relative to on-axis (dB) against frequency (hz), 20 to 20000 Hz. -40 -30 -20 -10 0 10 20 100 1k 10k Frequency (Hz) 0° 20° 40° 60° 90° 0°20°40°60°90° Relative to on-axis (dB)
  • 0°
  • 20°
  • 40°
  • 60°
  • 90°
Plotted values
Hz0°20°40°60°90°
2006.6711.1914.0615.7
2503.837.259.6811.15
31.501.844.055.877.04
4001.122.53.774.62
5000.651.512.272.8
6300.360.811.191.45
8000.170.330.40.41
10000.080.08-0.05-0.2
12500.05-0.1-0.45-0.8
16000.340.27-0.14-0.6
20000.460.630.510.27
25000.02-0.55-1.39-2.01
31500.26-0.4-1.58-2.54
40000.35-0.3-1.76-2.93
50000.570.5-1.29-3.05
6300-0.84-1.26-3.68-6.23
8000-1.65-2.14-4.26-8.31
10000-0.19-4.46-5.85-10.53
12500-1.81-5.94-11.49-13.94
16000-1.3-4.77-8.47-10.91
20000-1.12-4.15-7.54-12.01
25000-1.18-4.55-9.14-13.8
31500-1.63-6.77-11.95-16.4
40000-0.74-4.85-9.48-14.6
50000-0.63-4.68-10.11-15.06
63000-1.38-4.79-11.68-17.99
80000-0.27-6.32-15.89-19.61
100000-0.72-8.36-18.48-22.85
125000-3.29-11.88-23.65-28.45
160000-7.95-18.09-24.57-31.89
200000-10.29-17.86-25.35-34.62
Relative to on-axis at each third-octave band; published 0 to 90° (symmetric). Gaps: No value below 21.19 Hz: the curves fall under the plot's 55 dB floor on report page 15, so the page does not show them. Source conditions: vector paths read from the SPL Horizontal / SPL Vertical pages (openavdb extraction script). Source: Klippel NFS measurement report, Contralto Audio MEAS