• Welcome to ASR. There are many reviews of audio hardware and expert members to help answer your questions. Click here to have your audio equipment measured for free!

christian s.

New Member
Joined
Mar 2, 2025
Messages
4
Likes
1
hi there, this forum was quite useful to me during the setup of my as precise and neutral as possible 2.1 system setup so far. It is a desktop setup which i wanted to share with you since it somewhat reached a level where i thought there may be other people who share the passion and want to give it a try.

The chain is as follows:

- Tidal source
- RME UCX II DAC
- Supra EFF ISL Cable RME -> KEF KC 62
- Transparent Audio Interconnects (simple cable, no filter) KEF KC 62 -> Genelec 8030c


I filter the room via the room correction eq provided by the RME software. Basically it means eliminating some modes at 43Hz, at 130Hz and at 160Hz, mainly. Nothing unusual here i guess.

After some trial and error, this is the best setup i could come up so far. The thing i wanted to share with you here is how dramatically the impulse response improved after eliminating as much DSP as possible; this means that the subwoofer is set to LFE mode, and the highpass is set to bypass as well.
On the Genelec 8030c side, i enabled both the bass rolloff and bass-tilt by -2db.
Of course, this also requires some room eqing then, as mentioned.

What you get by this is an overlap of the natural rolloff from the kc 62 side, as well as from the 8030c side, which is something different then setting up crossovers which are supposedly more 'nicely shaped'. However, with those, i never really got the result i wanted, which was, increasing the impulse response to the max. I know, this can be even further improved by using something like miniDSP to really take full control of phase, delay and frequency response (not sure about the phase).

The bottom line is that the presence is so much better than with any other settings involving crossovers on the KEF side, this might be the one thing to take away here. I am really impressed how much tighter the sound becomes. I assume it has something to do with the processing delays on the KEF side to be reduced by some milliseconds, and any phase related issues may be minimized as well there since the signal is basically not altered in the KEF, at least that is my assumption, with the exception of the dynamic, level based frequency curve adjustment that the KEF is incorporating. So this is not ideal, i know, since the frequency curve of the KEF changes by level, but overall, i think it is rather stable above est. 100Hz or so, which means that you just get a bit less energy on the low ends.


I add a picture below to outline the idea here, please do not shoot me, this is not a precise picture, but illustrates a concept:

Bildschirmfoto 2025-03-02 um 14.46.52.png


I hope maybe someone who does not want to engage with a miniDSP gets a simliar experience as i did, for me this was an absolute eye opener when realizing that this is so much better than using the crossover functions on the KC 62.
 
Back
Top Bottom