Active Speaker Nubert NuPro A20

The first active loudspeakers from the House of Nubert, NuPro A20 (530 euros per pair) is a very neutral and clear box with extremely clean, powerful deep bass and high fun.

  1. Active speaker Nubert NuPro A20
  2. Data sheet

Good thing to have while: an active speaker is to build, for years a stated goal by Günter Nubert. Whether its neutrality, passive boxes by Nubert also as Studio monitors are quite popular, and what is more natural than to bless this clientele with the technology established as a standard? So, the name NuPro now launching series refers also to professional users.

Nubert NuPro A20 but also for HiFi users is extremely interesting with 530 euro pair price for a medium-sized compact box. Contains a USB input but not only the appropriate digital amplifiers – two per box-, but also a digital crossover and EQ, as well as for PC users. This transfers the data to a box, where they are cast and analog to the other parties without loss.

With the typical of Nubert chassis optimized for long years, this combination achieved a neutrality, which itself brought the instruments of AUDIO laboratory at the limit of their resolution. Paid special attention to Nubert in the bass range: with the active switch he could wrest more bass depth compact NuPro A20 as at their housing acoustically usual. So that the cone is not overwhelmed, the DSP limited the deep bass level before distortion can occur.

Measuring

If there was a contest for the most box Nubert NuPro A20 would have undoubtedly won him. Here she shines with a größenbezogen excellent draught to 38 Hz. Only in the upper bass shows distortion, is protected but at too high input level by the limiter from damage and noise effectively. This responds to music signals differently than on the mess swept sine, which is why it was impossible to a reasonable maximum level indication. The feasible level depends on the position of the widely adjustable bass potentiometer, which simultaneously represents the location filter for the Nubert and also in an unfavourable position in a corner of the room providing sufficient bass attenuation, also strongly.

The trick with the bass

Who wants to experience really surprised listeners, puts a powerful bass track at the NuPro A20. For example “way down deep” by Jennifer Warnes (“bass fire”, Zounds-Gold-CD) – to’s seemingly does not believe, that this rich, deep and completely loose bass from this compact activists comes: such an idea would be a voluminous booth box quite worthy. If you turn it not too loud – because even the active technology must respect the limits of physics.

Nubert NuPro A20 on the neutral side is tonal: wonderful balanced sounds she offered in Smetana’s “Moldau” (Susskind, MFSL), let the musicians but also clearly allude to the listener. With difficult CDs, such as the 1989 recording of the “Rocky Horror Picture Show” with meat loaf, you would have in spite of jagged timing a tad bit more calm and gentleness wanted. Doesn’t change: the Nubert NuPro A20 is a very great success.

Nubert NuPro A20

Manufacturer Nubert
Price €570.00
Rating 77.0 points
Test procedure 1.0

Technical data and test results

General data
Dimensions (W x H x D) 19.5 x 33.0 x 19.5 cm
Weight 7.5
Surfaces Paint
Color Black, white
Technical characteristics
Bass principle Two-way bass reflex
Number of ways 2
Working principle of full Active
Facilities
Connections
XLR connectors
Space adaptation Bass and treble control
Surround complementary.
RCA
Laboratory characteristics
Maximum volume upper value 89 dB
lower cut-off frequency (-3dB) 41 Hz
Lower cut-off frequency (-6 dB) 38 Hz
Nominal impedance (audio)
Review
Very neutral and clear box with extremely clean, powerful deep bass and high fun.
Figure very much could play something softer
Bass quality 80
Bass depth (bass Foundation) 75
Attention to detail (precision) 80
Dynamic 70
Maximum level (vitality) 50
Neutrality 95
Imaging 80
Spatial (airiness) 65
Processing Very good
Sound judgment very good 77
tested in issue: 3 / 11

 

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