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Old 29th July 2019, 09:39 PM   #2401
zman01 is online now zman01  Bangladesh
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Meper,

Thanks for getting a baseline measure before you start experimenting with other combinations.

Before you start swapping parts out, please make sure you enjoy the music with your lovely mono-blocks.
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Old 30th July 2019, 09:51 AM   #2402
cubicincher is offline cubicincher  Germany
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Default to xrk971 #2397

Hello xrk971,


I reply to your post in #2379.



I agree with you. M2X + B1 NUTUBE - Preamp can be pretty sweet. This depends on your adjustments in the B1 NUTUBE. If you start to play with the
trimpots in the B1 NUTUBE, play with polarity at the output of your poweramp (B1 NUTUBE is inverting polarity)

(positive/negative H2) and then you change the inputboards of your M2X -
this is a big playground!

I prefer to drive my M2X with my BA-3 Preamp or the good old ALEPH P1.7.
But this is my personal taste. But I also like my B1 NUTUBE!

Play around with this beautiful amp and -

Enjoy the music!


Greets
Dirk
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Old 11th August 2019, 03:09 PM   #2403
Dneu2011 is offline Dneu2011
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Building the M2x for my Klipsch Cornwall III's and looking through my parts. Do the IRFP9240s and 240s have to match? I have some spares purchased from Mouser and would prefer to save my matched pairs.

Thanks.
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Old 11th August 2019, 03:10 PM   #2404
Zen Mod is online now Zen Mod  Serbia
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nope , no matching needed
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Old 12th August 2019, 04:20 PM   #2405
xrk971 is offline xrk971  United States
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Quote:
Originally Posted by cubicincher View Post
Hello xrk971,


I reply to your post in #2379.



I agree with you. M2X + B1 NUTUBE - Preamp can be pretty sweet. This depends on your adjustments in the B1 NUTUBE. If you start to play with the
trimpots in the B1 NUTUBE, play with polarity at the output of your poweramp (B1 NUTUBE is inverting polarity)

(positive/negative H2) and then you change the inputboards of your M2X -
this is a big playground!

I prefer to drive my M2X with my BA-3 Preamp or the good old ALEPH P1.7.
But this is my personal taste. But I also like my B1 NUTUBE!

Play around with this beautiful amp and -

Enjoy the music!


Greets
Dirk
You mean post 2397? I do not have the Korg B1, just commenting on Elwood's data.
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Old 12th August 2019, 09:53 PM   #2406
mcgillroy is offline mcgillroy
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Quote:
Originally Posted by MEPER View Post
so I can listen to MQA recordings (mostly 24 bit). I use a passive pre (Goldpoint 24 step 10k attenuator).
Looks like an awesome system & what are those speakers?

On the MQA thing: sorry to nitpick but MQA is not 24bits. MQA is a lossy codec that at best provides 15-17bits and no more than 48k resolution.

It's been marketed as a high-resolution streaming solution equivalent to true 24/96 and higher resolutions but technical analysis has shown these claims to be untrue.

More info on MQA can be found here:

MQA: A Review of controversies, concerns, and cautions - Reviews - Audiophile Style

Currently only Qobuz offers true uncompressed high-rez streaming and afaik it's available in the US now.
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Old 15th August 2019, 03:43 PM   #2407
MEPER is online now MEPER  Denmark
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Speakers are OBL-15 by Troels Gravesen:
OBL-15
I am very happy with the system as is right now.


When I used an external DAC and let the streamer node do the MQA decoding in software then most often the 24/96 LED was "active". So the playback was at least 24 bit in most cases. But if the "true resolution" is less then the "extra" bits are "filled in" by the decoder. We will probably hear more about that…….what is true and false. The streamer node I use now has a MQA hardware decoder so it can go to 24/192 but it does not indicate the resolution.
Often the same "CD" is available in both CD and MQA quality. I have tried A/B listening test but would not be able to pass a blind test.
I will have a look at Qobuz.


More about MQA here…..which of course is not objective:
MQA
It should be a "quality" which is "authenticated" by the performers and is sold as being studio quality.
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Old 15th August 2019, 04:03 PM   #2408
6L6 is offline 6L6  United States
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Let’s not poison this thread with the marketing scheme known as MQA. Take that to the lounge.
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Old 15th August 2019, 04:06 PM   #2409
tooppy is online now tooppy  France
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The following articles are not for arguing purposes nor comments, just for information reading :

Here read the 1st post :
24bit vs 16bit, the myth exploded! | Headphone Reviews and Discussion - Head-Fi.org

Here is just an article :
24/192 Music Downloads are Very Silly Indeed
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Old 15th August 2019, 04:37 PM   #2410
Mark Johnson is offline Mark Johnson  United States
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toopy, you are poking a diyAudio Moderator with a stick. That isn't wise.
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