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new to devialet and could do with learning the basics
#1
Hoping for some advice and guidance from those who have a load more knowledge on the configurator than I do ( at this stage).  

I am completely new to Devialet - I recently bought an expert pro 220 and I now need to ensure that I configure it correctly.  I've been listening to it in 'out of the box' mode, no changes, and I am not getting the performance which I experienced when I trialled a 220 from a local specialist - I assume that 220 trial unit would have been configured by someone at some point, but all I know is that the performance of my own unit, out the box, is not producing the same level of enjoyment.  Hence, my request for some help please.

I have a very straightforward setup at this point - expert pro 220, B&W CDM7NT speakers, audioquest indigo cables, ethernet connected (powerline) and using TIDAL as source.
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#2
There's probably several possible reasons why you're not getting the sound you heard when you trialled a 220 but probably the most likely is that the dealer had SAM active for the speakers and the factory configuration ("out of the box") does not have SAM active.

Go to the online configurator and choose "access the configurator". That will walk you through the basic choices of input choices. When you get to the screen which gives you the choice of downloading the configuration or going to the advanced configurator then choose "go to the advanced configurator". All of your previously made choices will still be active. All you want to do here is to load a SAM profile for your speakers. Once you do that, then download the configuration file, copy it to the SD card, load the card into your 220 and sit back and play some music.

You may want to experiment with the level of SAM which controls how much bass extension you will get. You can set it anywhere between 0 and 100. !00 is maximum extension. 0 is not off. At o the phase correction that SAM applies in the bass is still active and will provide some extension but no further bass extension is added. You have to experiment to find the best level because room size and speaker and listening position placement will affect what you hear. If you don't like SAM and want to turn it off, then you can do so in the tone control menus via your remote but SAM will become active every time you restart the amp. The only way to really turn SAM off so that you don't have to bother turning it off every time you start the amp is to make a new configuration file without SAM.

That's the most basic approach to creating a configuration file. You can adjust the settings in the Advanced Configurator and there is some help/advice displayed for many of the settings as you access them. You can ask questions about different settings here as well.
Roon Nucleus+, Devilalet Expert 140 Pro CI, Focal Sopra 2, PS Audio P12, Keces P8 LPS, Uptone Audio EtherREGEN with optical fibre link to my router, Shunyata Alpha NR and Sigma NR power cables, Shunyata Sigma ethernet cables, Shunyata Alpha V2 speaker cables, Grand Prix Audio Monaco rack, RealTRAPS acoustic treatment.

Brisbane, Qld, Australia
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#3
Thanks for your response David.

There is no SAM profile for my B&W speakers.  I've been advised not to try to use the SAM until Devialet come up with the right profile. 
In the absence of a SAM for my specific B&W's, I think I'll need to mess around with the configurator to get an improvement, but it feels like shooting in the dark right now.

Do you have any suggestions on the use of the configurator - for example, in which areas would I produce changes in hi / bass frequency responses ?
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#4
Hello @ochu2. The Expert amps have tone controls which you can adjust with the remote control. They're described here: https://help.devialet.com/hc/en-us/artic...Expert-Pro-. I hope that gives you some possibilities to adjust the overall tonal balance to your liking.

On that note (no pun intended), is there anything in particular you heard on the dealer's amp that you're missing in your own system?
Roon (Mac Mini), Wilson Benesch Full Circle, Expert 1000 Pro CI, Kaiser Chiara
Warwickshire, UK
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#5
One other thought: you could perhaps ask for a copy of the configuration file from the unit you trialled, then simply copy that to your SD card. That would be a quick way to confirm whether the differences you're hearing are in fact due to differences in the configuration.
Roon (Mac Mini), Wilson Benesch Full Circle, Expert 1000 Pro CI, Kaiser Chiara
Warwickshire, UK
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#6
(29-Apr-2020, 21:08)ochu2 Wrote: Thanks for your response David.

There is no SAM profile for my B&W speakers.  I've been advised not to try to use the SAM until Devialet come up with the right profile. 
In the absence of a SAM for my specific B&W's, I think I'll need to mess around with the configurator to get an improvement, but it feels like shooting in the dark right now.

Do you have any suggestions on the use of the configurator - for example, in which areas would I produce changes in hi / bass frequency responses ?

As @thumb5 said, the Expert amps have tone controls and the tone controls aren't included in the configuration file, they're something you adjust with the remote and they're always available.

You said you had a "straightforward setup" and you do. You're only using one input, ethernet, so basically the only thing you can do is to turn off the unused inputs in the configuration so that only ethernet is active. You can set the IP address in ethernet settings but since your ethernet connection is working fine in the factory setup, that means you're using DHCP addressing which is the default so there's nothing to change in the ethernet settings. Since there's no SAM profile for your speakers there's also nothing to change in the speaker settings.

There are really only 2 things I would consider changing in the factory configuration with a system such as yours. One is the startup volume setting. Currently it will be set to the default of -40 dB. I do most of my listening at around 20 dB plus or minus a couple of dB. I set my startup volume to -20 dB so I don't have to adjust volume by much whenever I start listening. The other setting I would consider changing is the DPM (Dynamic Power Management) setting. The default is on but I think things sound better with it off so I would set that to off. You can turn it off manually if it is on by using the tone control button on your remote. Press the tone control button and keep pressing it so that you cycle through a number of options in the display window on the amp. The initial setting displayed is Balance and after that you will go through Bass then Trebles, and then come to a screen with a list of settings. Every time you press the tone control button on the remote you will move down that list to the next setting. When you come to DPM near the bottom, turn the volume control counter-clockwise to turn DPM off and then do a long press on the tone control button to exit the tone control menus. Try listening to music for a while with DPM off and then try going back to having it on (repeat the process above but rotate the volume control clockwise to turn DPM back on).

With a setup like yours, DPM is probably the only thing which might make a significant difference. I don't know whether using wifi or an actual ethernet connection instead of ethernet over power would make a difference but I would prefer not to use ethernet over power if it were me.

There's a lot of things you can alter in a configuration file but with a single input and speakers that don't have a SAM profile, most of the configuration options aren't relevant to your setup. You can actually make a configuration file without going to the advanced configurator unless you want to change your startup volume setting and/or turn DPM off.

Anything else in your dealer's setup contributing to a different sound would have been related to his setup of the speakers and listening position and to his room and any acoustic treatment and things like cables.
Roon Nucleus+, Devilalet Expert 140 Pro CI, Focal Sopra 2, PS Audio P12, Keces P8 LPS, Uptone Audio EtherREGEN with optical fibre link to my router, Shunyata Alpha NR and Sigma NR power cables, Shunyata Sigma ethernet cables, Shunyata Alpha V2 speaker cables, Grand Prix Audio Monaco rack, RealTRAPS acoustic treatment.

Brisbane, Qld, Australia
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#7
200 hours burn in and you will satisfied.


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#8
(29-Apr-2020, 21:18)thumb5 Wrote: One other thought: you could perhaps ask for a copy of the configuration file from the unit you trialled, then simply copy that to your SD card.  That would be a quick way to confirm whether the differences you're hearing are in fact due to differences in the configuration.
Thanks for both responses.  I see the usual bass / treble adjustments using the remote control and have played around with them to try to get close to the trial unit - no success. The config copy is a good suggestion - I'll try that one.
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#9
(30-Apr-2020, 00:28)David A Wrote:
(29-Apr-2020, 21:08)ochu2 Wrote: Thanks for your response David.

There is no SAM profile for my B&W speakers.  I've been advised not to try to use the SAM until Devialet come up with the right profile. 
In the absence of a SAM for my specific B&W's, I think I'll need to mess around with the configurator to get an improvement, but it feels like shooting in the dark right now.

Do you have any suggestions on the use of the configurator - for example, in which areas would I produce changes in hi / bass frequency responses ?

As @thumb5 said, the Expert amps have tone controls and the tone controls aren't included in the configuration file, they're something you adjust with the remote and they're always available.

You said you had a "straightforward setup" and you do. You're only using one input, ethernet, so basically the only thing you can do is to turn off the unused inputs in the configuration so that only ethernet is active. You can set the IP address in ethernet settings but since your ethernet connection is working fine in the factory setup, that means you're using DHCP addressing which is the default so there's nothing to change in the ethernet settings. Since there's no SAM profile for your speakers there's also nothing to change in the speaker settings.

There are really only 2 things I would consider changing in the factory configuration with a system such as yours. One is the startup volume setting. Currently it will be set to the default of -40 dB. I do most of my listening at around 20 dB plus or minus a couple of dB. I set my startup volume to -20 dB so I don't have to adjust volume by much whenever I start listening. The other setting I would consider changing is the DPM (Dynamic Power Management) setting. The default is on but I think things sound better with it off so I would set that to off. You can turn it off manually if it is on by using the tone control button on your remote. Press the tone control button and keep pressing it so that you cycle through a number of options in the display window on the amp. The initial setting displayed is Balance and after that you will go through Bass then Trebles, and then come to a screen with a list of settings. Every time you press the tone control button on the remote you will move down that list to the next setting. When you come to DPM near the bottom, turn the volume control counter-clockwise to turn DPM off and then do a long press on the tone control button to exit the tone control menus. Try listening to music for a while with DPM off and then try going back to having it on (repeat the process above but rotate the volume control clockwise to turn DPM back on).

With a setup like yours, DPM is probably the only thing which might make a significant difference. I don't know whether using wifi or an actual ethernet connection instead of ethernet over power would make a difference but I would prefer not to use ethernet over power if it were me.

There's a lot of things you can alter in a configuration file but with a single input and speakers that don't have a SAM profile, most of the configuration options aren't relevant to your setup. You can actually make a configuration file without going to the advanced configurator unless you want to change your startup volume setting and/or turn DPM off.

Anything else in your dealer's setup contributing to a different sound would have been related to his setup of the speakers and listening position and to his room and any acoustic treatment and things like cables.
The dealer let me trial the demo unit at my home - the comparison I'm now able to make is based on all components, other than the actual 220 unit, being the same.  I will try out your suggestions - thank you.  It does seem like the config which was used on the demo unit is the probable cause of the difference, but I will try all suggestions in these responses, including the comment on allowing a good burn-in period before making a judgement. I'm trying to get happy with streaming, and understand the options, on the 220 before starting on my turntable. 

I appreciate the advice.
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