Help / Advice on Integrating an MEN 220 Room Correction System

timequest

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Aug 17, 2015
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After reading many good things about the MEN220, I purchased one as a way of addressing room issues - primarily bass nodes. Prior to installing the MEN220, I was running a PS Audio Direct Stream DAC into a Krell Evolution 302 Amp. Speakers are TAD Evolution One's. Previous room testing showed some fairly significant bass nodes. I had my audio dealer rep set up the MEN220 and 'fine tune' my system by integrating a laptop directly into the MEN220 - using a professional audio meter and mic system. Now the DS DAC runs through the MEN220, then into the amp.

Here are my observations (and the part that I need 'help' with): Comparing the system with the MEN220 in place by switching between bypass mode and the Focus mode (the final room correction mode), I hear an obvious improvement between the two - with the Focus mode sounding much better. The issue is, that the sound of the system run in bypass mode is way different than the sound when running the DS directly into the amp (with the MEN220 out of the equation). Between the MEN220 in the system, run in bypass mode, and the DS run directly into the amp, the later sounds significantly better. Now, the true test is to determine whether the system sounds better with the MEN220 in place running the Focus mode (room correction), or without the MEN200 in the system, going direct from the DS to amp. This is harder to determine since it takes much longer to switch out the connections. At this point however, I suspect the DS going direct into the amp sounds better.

I can see by the frequency response meter that the audio rep - in dealing with the bass modes - also lowered the treble region by 3 dB after 17kHz.....He told me that I wouldn't likely notice anything missing. I think, however that this may be the issue. With the MEN220 in place (room correction) everything sounds a bit too warm (some of the detail and clarity is - not missing - but 'reduced.'). There are only six filters to work with, but I assume through trial and error one could make some critical adjustments....

...I can't keep paying the audio rep to come to my house, so I am going to have to learn to do this myself. I am interested in hearing from those who have successfully integrated the MEN220 into their systems, and any issues that they faced. Also, what are the best 'affordable' audio meters/mics to buy, and are there any tutorials on this type of advanced setup...??

Thanks in advance.
 
After reading many good things about the MEN220, I purchased one as a way of addressing room issues - primarily bass nodes. Prior to installing the MEN220, I was running a PS Audio Direct Stream DAC into a Krell Evolution 302 Amp. Speakers are TAD Evolution One's. Previous room testing showed some fairly significant bass nodes. I had my audio dealer rep set up the MEN220 and 'fine tune' my system by integrating a laptop directly into the MEN220 - using a professional audio meter and mic system. Now the DS DAC runs through the MEN220, then into the amp.

Here are my observations (and the part that I need 'help' with): Comparing the system with the MEN220 in place by switching between bypass mode and the Focus mode (the final room correction mode), I hear an obvious improvement between the two - with the Focus mode sounding much better. The issue is, that the sound of the system run in bypass mode is way different than the sound when running the DS directly into the amp (with the MEN220 out of the equation). Between the MEN220 in the system, run in bypass mode, and the DS run directly into the amp, the later sounds significantly better. Now, the true test is to determine whether the system sounds better with the MEN220 in place running the Focus mode (room correction), or without the MEN200 in the system, going direct from the DS to amp. This is harder to determine since it takes much longer to switch out the connections. At this point however, I suspect the DS going direct into the amp sounds better.

I can see by the frequency response meter that the audio rep - in dealing with the bass modes - also lowered the treble region by 3 dB after 17kHz.....He told me that I wouldn't likely notice anything missing. I think, however that this may be the issue. With the MEN220 in place (room correction) everything sounds a bit too warm (some of the detail and clarity is - not missing - but 'reduced.'). There are only six filters to work with, but I assume through trial and error one could make some critical adjustments....

...I can't keep paying the audio rep to come to my house, so I am going to have to learn to do this myself. I am interested in hearing from those who have successfully integrated the MEN220 into their systems, and any issues that they faced. Also, what are the best 'affordable' audio meters/mics to buy, and are there any tutorials on this type of advanced setup...??

Thanks in advance.

The MEN220 uses the Lyngdorf room correction algorithms. You can download the software from the McIntosh website. I'm pretty sure the mic comes with the MEN220.

And yes, you will hear a cut in the high treble as reduced detail and air. If the bass has been boosted by the software that will also make the sound warmer.
 
If you want a "pure" unadulterated sound as if the MEN220 wasn't in the circuit, you can run it through your preamps processor loop. That way it will truly be out of the circuit if you want that as a means of comparison.
 

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