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Weak Companion/Right Channel on Monoblocks - Printable Version

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RE: Weak Companion/Right Channel on Monoblocks - Antoine - 10-Jun-2015

This all reminds me of something I experienced when I installed my first 'audiophile' grade amplifier. The differences were quite big but one of the strangest effects of plugging in this new amp was that the soundstage/L-R balance pulled to one side where it was, or seemed to be, centered before. As it showed out the reason for this was an 'error' (as in not accurate enough) speaker placement setup.

Just hypothesizing here but could there be a similar issue at play here?


Weak Companion/Right Channel on Monoblocks - amabrok - 12-Jun-2015

(10-Jun-2015, 16:15)Antoine Wrote: This all reminds me of something I experienced when I installed my first 'audiophile' grade amplifier. The differences were quite big but one of the strangest effects of plugging in this new amp was that the soundstage/L-R balance pulled to one side where it was, or seemed to be, centered before. As it showed out the reason for this was an 'error' (as in not accurate enough) speaker placement setup.

Just hypothesizing here but could there be a similar issue at play here?

Assuming you have a perfect triangle represented by these two speakers positions and the listening sweet spot would this still apply? Or could it be an error as in for example while the triangle is still equilateral but one speaker is closer to a wall or a corner which makes it more boomy or louder?


Sent from my iPhone using Tapatalk


RE: Weak Companion/Right Channel on Monoblocks - MusicFirst - 12-Jun-2015

Well as far as the speakers and listening chair, they are equidistant from each other and the speakers are aimed so that the tweeter axes hit the upper corners of the listening chair. I aim them and measure them using a laser measurement device accurate to + 2mm mounted on a tripod.

Unfortunately there is some furniture on the outside of either speaker which is not symmetric and contributes to some unevenness in the soundstage, but I've never had this apparent weakness with previous amplifiers and these speakers.

Kerry


RE: Weak Companion/Right Channel on Monoblocks - Vivialet - 27-Jun-2015

I also always had the feeling that the master driven channel was louder. I did some measurements with Carma (audionet) which tells me that the slave has a 0,07ms delay. Both speakers have the same distance to the listening position, maybe a few cm difference). 0,07ms is 20cm.
I have added a delay to the master channel (right channel in my setup) using the jriver dsp. With 0,04ms delay the measurement shows no difference between right and left channel anymore. And now I think it is well balanced. Maybe the master is not compensating the signal processing until it reaches the slave ?


RE: Weak Companion/Right Channel on Monoblocks - amabrok - 27-Jun-2015

(27-Jun-2015, 09:33)Vivialet Wrote: I also always had the feeling that the master driven channel was louder. I did some measurements with Carma (audionet) which tells me that the slave has a 0,07ms delay. Both speakers have the same distance to the listening position, maybe a few cm difference). 0,07ms is 20cm.
I have added a delay to the master channel (right channel in my setup) using the jriver dsp. With 0,04ms delay the measurement shows no difference between right and left channel anymore. And now I think it is well balanced. Maybe the master is not compensating the signal processing until it reaches the slave ?

One would assume that the new custom delay feature of the new v8.1.2 could sort this out without the need to rely on jriver or the like.


RE: Weak Companion/Right Channel on Monoblocks - miro - 27-Jun-2015

(27-Jun-2015, 10:24)amabrok Wrote:
(27-Jun-2015, 09:33)Vivialet Wrote: I also always had the feeling that the master driven channel was louder. I did some measurements with Carma (audionet) which tells me that the slave has a 0,07ms delay. Both speakers have the same distance to the listening position, maybe a few cm difference). 0,07ms is 20cm.
I have added a delay to the master channel (right channel in my setup) using the jriver dsp. With 0,04ms delay the measurement shows no difference between right and left channel anymore. And now I think it is well balanced. Maybe the master is not compensating the signal processing until it reaches the slave ?

One would assume that the new custom delay feature of the new v8.1.2 could sort this out without the need to rely on jriver or the like.

But how to set the value?

Does the configurator allow this?


RE: Weak Companion/Right Channel on Monoblocks - Jean-Marie - 27-Jun-2015

(27-Jun-2015, 09:33)Vivialet Wrote: I also always had the feeling that the master driven channel was louder. I did some measurements with Carma (audionet) which tells me that the slave has a 0,07ms delay. Both speakers have the same distance to the listening position, maybe a few cm difference). 0,07ms is 20cm.
I have added a delay to the master channel (right channel in my setup) using the jriver dsp. With 0,04ms delay the measurement shows no difference between right and left channel anymore. And now I think it is well balanced. Maybe the master is not compensating the signal processing until it reaches the slave ?

I think there is an error there: unless I'm wrong 0,07ms is about 2cm at sound velocity. 20cm is 0,7ms.


RE: Weak Companion/Right Channel on Monoblocks - completeluxury - 28-Jun-2015

(27-Jun-2015, 16:12)Jean-Marie Wrote:
(27-Jun-2015, 09:33)Vivialet Wrote: I also always had the feeling that the master driven channel was louder. I did some measurements with Carma (audionet) which tells me that the slave has a 0,07ms delay. Both speakers have the same distance to the listening position, maybe a few cm difference). 0,07ms is 20cm.
I have added a delay to the master channel (right channel in my setup) using the jriver dsp. With 0,04ms delay the measurement shows no difference between right and left channel anymore. And now I think it is well balanced. Maybe the master is not compensating the signal processing until it reaches the slave ?

I think there is an error there: unless I'm wrong 0,07ms is about 2cm at sound velocity. 20cm is 0,7ms.

i think he missed a zero by mistake in his calculation - im with you.


RE: Weak Companion/Right Channel on Monoblocks - Jean-Marie - 28-Jun-2015

(28-Jun-2015, 00:18)completeluxury Wrote:
(27-Jun-2015, 16:12)Jean-Marie Wrote:
(27-Jun-2015, 09:33)Vivialet Wrote: I also always had the feeling that the master driven channel was louder. I did some measurements with Carma (audionet) which tells me that the slave has a 0,07ms delay. Both speakers have the same distance to the listening position, maybe a few cm difference). 0,07ms is 20cm.
I have added a delay to the master channel (right channel in my setup) using the jriver dsp. With 0,04ms delay the measurement shows no difference between right and left channel anymore. And now I think it is well balanced. Maybe the master is not compensating the signal processing until it reaches the slave ?

I think there is an error there: unless I'm wrong 0,07ms is about 2cm at sound velocity. 20cm is 0,7ms.

i think he missed a zero by mistake in his calculation - im with you.
I think it would be interesting to get confirmation. Because if it is 2cm and 0,07ms then that can easily be the geometry without any particular delay induced by the electronics, while if it is 0,7ms the electronics is most certainly involved.


RE: Weak Companion/Right Channel on Monoblocks - ICUDoc - 16-Jul-2015

Just wanted to report that I have the same effect as the original poster. D400, running original digital cable, Mac Mini. The right channel seems to lack oomph, but somehow the image is central in mono and on mostly-mono recordings. Very annoying!
The whole thing still sounds great, but once you notice this detail, it becomes obvious on more recordings and takes a bit of the shine off these amazing amps....