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RDacoustic

 

rdacoustics

 

Exhibitions


 

 

HighEndMunich
Audio Video Show Praha 2017  
Audio Video – Trend

 

12-13.11. 2016

 Audio-Video Trend logó
AudioVideoShow Warsava 2016

 

4-6.11. 2016

AUDIO SHOW 2011

 

HighEndMunchen2016Logo
 Audio Video Show Praha 2016

 

11 – 12.3 2016 4th floor room 417

 
 

 

Munich 2016, Part 2: “Affordable” Standout Rooms

Now that I have highlighted the systems that for me were the top of the show, I will now turn attention briefly to a few systems that were still affordable by us mere mortals, and not just showcases in excess. By "affordable" I mean a system that comes in at less than the price of your typical mid-sized BMW or Mercedes (around 50K). I figure that a dedicated audiophile with a decent job and no real desire for a nice car might invest this kind of money into their dream system. That being said, I realize fully that this is still probably 5 to 10X what most real audiophiles spend on their systems. However, I think that this price class can still be justified in terms of materials and labor, and is not simply "luxury" pricing.

The first system I would like to highlight is basically a referral back to system number 5 in my top picks of the show. The Acoustic Zen Crescendo + Triode system comes in probably somewhat over 50K euro and delivered a very strong overall performance (see PART 1 of my report for photos).

KR Audio + RD acoustics

Another standout system in the under 50K class was the KR Audio room on the ground floor, coupled with a new Czech speaker from a brand called RD acoustic. These speakers were quite interesting in that they were a single driver design that was loading a large folded back horn of about 2.7 meters in total length. This speaker was quite versatile in that different drivers could be implemented. The rest of the system consisted of the mighty KR Audio Kronzilla SXi and surprisingly an inexpensive Pioneer CD player. There was also a Czech-made turntable, but this was never played while I was in the room, so my comments only refer to the system with digital.

KR_audio1_rev_robinson

RDacoustic speakers (red w/Fostex and black w/Voxativ) + KR Audio SXi + Pioneer CD player + KR Audio VA300i + unidentified TT

The overall sound of this system was very transparent and direct…and VERY engaging with most kinds of music. There was a tiny bit of the single driver's tendency to shout, but unlike nearly every other single driver speaker I have heard, it was well balanced with real bass. And it was a true horn bass, which is tight and dry and very, very fast with no bass overhang.

Midrange was explicit and revealing with great resolution. The only questionable area was with the high frequencies, which were a bit splashier and prominent than I think is correct. I wouldn't have minded seeing a ribbon or horn tweeter coming in around 4-5kHz to take over and, if done right, significantly improve the perceived response.

KR_audio2_rev_robinson

Closer view of the Kronzilla SXi

As you can see in the photos, there were two versions of the speaker, one with a Fostex driver, and the other the least expensive Voxativ driver. The speakers with the Fostex driver listed for 10K euro and the Voxativ driver speakers were 15K euro.

On the third time I went to the room they were playing the red speakers with the Fostex driver. While they gave up a bit of immediacy and resolution in the midrange and upper frequencies, the Fostex driver simply killed the Voxativ driver in bass power and drive punch. After much going back and forth, I decided that the Fostex driver in the horn provided the best top-to-bottom balance. In addition, the speaker was 5K cheaper this way!

KR_audio3_rev_robinson

Closer view of the RDacoustic speakers (red speaker has optional "waveguide")

Now, you might have noticed a second KR audio amp in the room underneath the main rack. That "small" KR is the VA300i, which is the smallest SET that KR makes in terms of power (around 12 watts); however, it is still a solid 36Kg of no nonsense amplification. It is also priced far lower than the Kronzilla SXi. So, I asked them to give it a spin on these 98dB/watt speakers. How did it sound, you ask? Well, surprisingly close to the Kronzilla. Swapping out a 20K euro amplifier with a 7K euro amplifier brings the price of this system down to where it was clearly one of the best bargains at the show.

One last interesting piece of information is the unveiling of KR Audio's newest amplifier, the VA200, which is using 8 x 842VHD tubes (each of these is capable of 20 watts in a SET configuration) per monoblock! The difference here is that KR has designed this amp as a circlotron with output transformers (kind of like the BAT REX monos). The power output is 200 watts per mono and the power consumption is a staggering 1000 watts, all the time, as the things run Class A.

Reviews

 

 

positive-feedback.com

 

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   Hi-fi Voice logo
 

 

Stereo & Video 6/2016

 

 

 

HifiKnights.com

 

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