V.E. 181A

V.E. 181A ,the explosive low frequencies, especially at 63Hz, which is the peak resonance frequency of the enclosure, resemble the characteristic frequency of an earthquake and the elastic vibration of the earth's crust.

It can still add a musical energy to the tone without making it feel oppressive; the 18-inch subwoofer has a high dynamic response.

When used in groups of three or multiples of three, the CD-181A can form a cardioid subwoofer array. By placing one enclosure rear-facing and driving it with amplifiers supporting OPRA A+ software, precise low-frequency directivity control is achieved, greatly reducing rear sound radiation.
Overview






V.E. 181A ,the explosive low frequencies, especially at 63Hz, which is the peak resonance frequency of the enclosure, resemble the characteristic frequency of an earthquake and the elastic vibration of the earth's crust.

It can still add a musical energy to the tone without making it feel oppressive; the 18-inch subwoofer has a high dynamic response.


When used in groups of three or multiples of three, the V.E. 181A can form a cardioid subwoofer array;

When used in groups of two or multiples of two,and also Fire-end subwoofer array.

By placing one enclosure rear-facing and driving it with amplifiers supporting OPRA A+ software,

precise low-frequency directivity control is achieved, greatly reducing rear sound radiation.


The enclosure is constructed of high-strength marine plywood, finished with IP56-rated impact-resistant and weather-resistant water-based coating. It has a front metal grille with acoustically transparent foam,

side handles for easy transport, and four rubber feet at the bottom to prevent scuffing.


The top panel is fitted with an M20 threaded flange, compatible with OPRA speaker stands and stand winders. An optional waterproof transport cover is also available to fully protect the front of the subwoofer during transit.






Technical Data

System Data

Frequency response (-5 dB standard) :

42.5 Hz - 130 Hz
Frequency response (-5 dB 100 Hz mode) :
37 Hz - 110 Hz
Frequency response (–5 dB INFRA mode) :
35 Hz - 80 Hz

Max. sound pressure :
with OPRA TTM8K4 / OPRA 4412    124 dB
with OPRA TTM12K4/OPRA Aura 8   128 dB
with OPRA X4/ X8 / X4L   130 dB

Cabinets per amplifier channel :

1





Loudspeaker Data

Configuration :
High performance subwoofer

Nominal impedance
4 Ω

Power handling capacity (RMS/peak 10 ms)
750/1500 W

Components :
2 x 18" driver

Connections :
2 x NLT4 F/M
SUB 1+ 1-
    /    2+ 2-




Dimensions / weight

Dimensions (h x w x d) :
570 x 965 x 965 mm

22.44 x 37.99 x 37.99 "


Weight :
63 kg

138.89 lb




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