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Ascendo The 18 Sub Passive Vented

Ascendo · Subwoofer · Ported, passive · 2021

Open in the designer Add to compare Opens the designer's starter room with the Ascendo The 18 Sub Passive Vented on the subwoofer. It replaces the design open in this browser once you edit it, as a shared link does.

Specifications

Property Value Source
Sensitivity 95 dB/2.83V/m voltage: 2.83V · distance: 1m · baffle loading: 2pi (half-space) · unit: dB/2.83V/m Sensitivity: Independent measurement, Klippel NFS Independent measurement, Klippel NFS Document ↗
Maximum SPL 133.5 dB (peak) loading: unstated · basis: peak · frequency: 160 Hz Maximum SPL: Independent measurement, Klippel NFS CEA2010B test Independent measurement, Klippel NFS CEA2010B test Document ↗
LF extension 60 Hz (-3dB) tolerance: -3dB LF extension: Independent measurement, Klippel NFS Independent measurement, Klippel NFS Document ↗
Frequency response Measured curve on file, 94 points, 15.6 to 3363.6 Hz drive: 2V @ 1m (1W @ Zn), 1/6 oct. smoothing · phase: not published; magnitude only · unit: dB SPL Frequency response: Independent measurement, Klippel NFS measurement report, page 4 (frequency response), magnitude read from the PDF vector paths Independent measurement, Klippel NFS measurement report, page 4 (frequency response), magnitude read from the PDF vector paths, Document ↗
Cabinet, W × H × D 700 × 1012 × 300 mm order: W/H/D · grille: excluded · feet: included · unit: mm Cabinet, W × H × D: Manufacturer, ASCENDO product page, Dimensions (W/H/D) mm (Without Grille) Manufacturer, ASCENDO product page, Dimensions (W/H/D) mm (Without Grille), Document ↗

Response and output

Drawn on the same axes for every subwoofer in openavdb, so pages compare by eye. The designer's bass engine uses these curves.

Frequency response

  • Extracted from a published plot
Frequency response, Ascendo The 18 Sub Passive Vented: extracted from a published plot. SPL, 2.83 V at 1 m (dB) against frequency (hz), 10 to 200 Hz. 50 60 70 80 90 100 110 10 20 30 40 50 60 80 100 150 200 Frequency (Hz) Ascendo The 18 Sub Passive Vented SPL, 2.83 V at 1 m (dB) Frequency response, Ascendo The 18 Sub Passive Vented: extracted from a published plot. SPL, 2.83 V at 1 m (dB) against frequency (hz), 10 to 200 Hz. 50 60 70 80 90 100 110 10 20 50 100 200 Frequency (Hz) Ascendo The 18 Sub Passive Vented SPL, 2.83 V at 1 m (dB)
Plotted values
HzAscendo The 18 Sub Passive Vented
15.6266.53
16.5570.09
17.5473.5
18.5877.2
19.6980.48
20.8683.71
22.186.05
23.4188.6
24.890.53
26.2891.89
27.8492.71
29.593.09
31.2593
33.1192.69
35.0892.51
37.1692.69
39.3793.05
41.7193.31
44.1993.34
46.8293.31
49.6193.36
52.5693.11
55.6893.27
58.9994.74
62.596.92
66.2299.19
70.15100.64
74.33100.66
78.75100.7
83.43100.7
88.39101.68
93.64102.31
99.21102.55
105.11103.02
111.36102.48
117.98101.77
125101.09
132.43100.59
140.31100.79
148.65101.22
157.49101.11
166.85101.11
176.78100.88
187.29100.02
198.43100.13
Published at 2 V; raised 3.0 dB to 2.83 V, 1 m. Source conditions: 2V @ 1m (1W @ Zn), 1/6 oct. smoothing. Source: Klippel NFS measurement report, page 4 (frequency response), magnitude read from the PDF vector paths MEAS

Maximum output

  • Extracted from a published plot
Maximum output, Ascendo The 18 Sub Passive Vented: extracted from a published plot. Maximum SPL at 1 m (dB) against frequency (hz), 10 to 200 Hz. 60 70 80 90 100 110 120 130 140 150 10 20 30 40 50 60 80 100 150 200 Frequency (Hz) Ascendo The 18 Sub Passive Vented Ascendo The 18 Sub Passive Vented: 12.5 Hz, 69.1 dBAscendo The 18 Sub Passive Vented: 16 Hz, 89.3 dBAscendo The 18 Sub Passive Vented: 20 Hz, 105.4 dBAscendo The 18 Sub Passive Vented: 25 Hz, 119.1 dBAscendo The 18 Sub Passive Vented: 31.5 Hz, 124.9 dBAscendo The 18 Sub Passive Vented: 40 Hz, 124.8 dBAscendo The 18 Sub Passive Vented: 50 Hz, 127 dBAscendo The 18 Sub Passive Vented: 63 Hz, 130.2 dBAscendo The 18 Sub Passive Vented: 80 Hz, 119.9 dBAscendo The 18 Sub Passive Vented: 100 Hz, 122.2 dBAscendo The 18 Sub Passive Vented: 125 Hz, 121 dBAscendo The 18 Sub Passive Vented: 160 Hz, 134.4 dBAscendo The 18 Sub Passive Vented: 200 Hz, 137.1 dB Maximum SPL at 1 m (dB) Maximum output, Ascendo The 18 Sub Passive Vented: extracted from a published plot. Maximum SPL at 1 m (dB) against frequency (hz), 10 to 200 Hz. 60 70 80 90 100 110 120 130 140 150 10 20 50 100 200 Frequency (Hz) Ascendo The 18 Sub Passive Vented Ascendo The 18 Sub Passive Vented: 12.5 Hz, 69.1 dBAscendo The 18 Sub Passive Vented: 16 Hz, 89.3 dBAscendo The 18 Sub Passive Vented: 20 Hz, 105.4 dBAscendo The 18 Sub Passive Vented: 25 Hz, 119.1 dBAscendo The 18 Sub Passive Vented: 31.5 Hz, 124.9 dBAscendo The 18 Sub Passive Vented: 40 Hz, 124.8 dBAscendo The 18 Sub Passive Vented: 50 Hz, 127 dBAscendo The 18 Sub Passive Vented: 63 Hz, 130.2 dBAscendo The 18 Sub Passive Vented: 80 Hz, 119.9 dBAscendo The 18 Sub Passive Vented: 100 Hz, 122.2 dBAscendo The 18 Sub Passive Vented: 125 Hz, 121 dBAscendo The 18 Sub Passive Vented: 160 Hz, 134.4 dBAscendo The 18 Sub Passive Vented: 200 Hz, 137.1 dB Maximum SPL at 1 m (dB)
Plotted values
HzAscendo The 18 Sub Passive Vented
12.569.1
1689.3
20105.4
25119.1
31.5124.9
40124.8
50127
63130.2
80119.9
100122.2
125121
160134.4
200137.1
Drawn as published, no shift. Source conditions: CEA-2010-B, peak, 1m, half_space_2pi, CEA2010B Powersoft K20 (Bridge Mode). Source: Klippel CEA2010B test, page 6 (Max Peak SPL, Max Passed), read from the PDF vector paths MEAS