Test: Piega Coax 70.2

Piega has the 2nd generation of the coax 70 (EUR 12 000 per pair) changed – and thus sonically much more than one should think really only the case.

  1. Test: Piega coax 70.2
  2. Data sheet

Six years gave it the coax 70 (test 10/10), and the elegant stand box was actually quite successful. “Basically“, says Piega developers and-Mitinhaber Kurt Scheuch, “would have nothing we do technically and sonically. “But there was much demand for a slightly different housing.” So, not much changed, but made in search of a new case.

It all depends on the shape

And SCHEUCH was looking for. He came off of the parallelogram shape of the first generation. The new continuous casting body has a C-shape and therefore now even no parallel walls. Because SCHEUCH ever conceived a new housing, he was everything to the test. The wall thickness is now at six rather than four millimeters thick aluminium – which is a lot for cases of this kind.

But above all, the resonance Tuning advanced the acoustic quality sustainable long simulation and subsequent laser inspection. Here, Piega recently has access to a highly complex and very expensive software, which was actually developed for the automotive industry. The secret is to make that they hardly swing of the mass ratios of the walls so skillfully. Often less is more here, because a large mass needs longer time to swing out. In the places where the new coax 70.2 housing still resonated, put the Swiss stiffener rings and calmed down the body in addition with heavy bitumen plates.

More costs more

The higher amount of material (the new is four kilograms heavier than the old) and the smart energy consideration put himself at brutal levels a significant relief of the housing, drive up but also the costs. End of 2010 the coax was 70 for just under 10,000 euro. Her successor is equal to 2000 euros more expensive.

The impedance in the handle

A glance at the chassis Assembly shows that the inflation factor is clearly the case,: SCHEUCH has kept everything the same. “On the quality of the coax and scan-speak bass none at present”, he says, shrugging. “What should I improve? “”

Well, at least the quite demanding impedance curve of the first generation. An impedance-correction for the range between 80 and 120 Hertz was inserted in the crossover of the coax 70.2 . This makes it easier the connected amplifiers and, how SCHEUCH points out, “the entire bass and keynote range clear, grippy.” But this intervention required – as also the much more neutral housing – a new crossover vote: “you happened to slim down somewhat, so I had to take something up”, says SCHEUCH. The frequency response shows nothing – there but in the swing-out behavior. This is much better – see also box below.

Even the new coax 70 measures is still slightly better than the old: the range above 400 hertz runs like a stroke, the distortions remain with two small exceptions at 400 and 1700 Hertz in a very good range, and the efficiency is passable with 85.4 decibels that amps to 100 watts per channel are likely to do well with her.

Wonderfully fine sound

Most importantly, the box sounds still noble. The extremely homogeneous and transparent at the same time extremely delicate means high frequency range was always a Dömane of this Piega. The fine Geflirr on Monty Alexander’s “Hurricane come and gone” is for the 70.2 made: what is there to discover it and to unravel! How beautiful and of course that a pool can swing to how polished shiny here cymbals above are projected into space. PIEGAS new C-pillar takes the listener into a fantastic world that he could enter otherwise not easily; the Ribbon coax is unique with broadband homogeneous resolution.

New to the 70.2 but is this very homogeneous, seamless, never thick bulky type of voice playback. In Hans of drummachines “No. expectations” (by the stereoplay title-CD 11/11) she meets exactly the hearty, sonorous sound, it makes the images of the Dutch blues. Also, the guitar of master has abundance, body and strength. All sounds very natural, loose and real; the connection between the two basses and the coax seems well managed.

The difference between old and new coax 70 is certainly no great – and yet a decisive. Because the 70.2 in tone plays, leaner, and more precisely she acts more open and free, finally resulting in more in the bass quality to a point.

Its owner is also free: he can much in mind – the new Piega and make repentance loser too close to the wall.

Piega coax 70.2

Manufacturer Piega
Price €12000.00
Rating 63.0 points
Test procedure 1.0

Technical data and test results

General data
Width 26.0 cm
Height 102.0 cm
Depth 33.0 cm
Weight: 41.0 kg
Installation tip: free-standing, distance from 2 m, normal damped rooms from 20 m²
Measured values
Operating voltage for 90 dB SPL 3.4-V
Impedance minimum stp 3.0 ohm
Maximum volume upper value 106 dB
Maximum volume lower value (> 45 Hz) 106 dB
Lower cut-off frequency (-3dB) 41 Hz
Lower cut-off frequency (-6 dB) 35 Hz
Review
Short conclusion Noble stand box finished with acoustically fine rubberbands aluminium housing and the outstanding Ribbon coax typical of Piega. The sound of the coax 70.2 is airy, fine silky, figure-accurate and extremely homogeneous.
Sound Absolute top class
Naturalness 14
Fine resolution 14
Border dynamics 10
Bass quality 12
Figure 13
Sound points (70 points) 63
Measured values 8
Practice 5
Valency 9
Overall rating (max. 120 points) very good 85
Price / performance Very good
tested in output 12 / 11

 

Gallery

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