NAD 752 problem/issue - advice?

 

Faye
Hey folks,
im using NAD 532 dvd player with NAD 752 v1.20. When playing music cds, theres a slight delay before each track actually plays. This is very annoying with songs that "start" immediately.
Do other receivers have this problem?
btw- im using a digital coaxial interconnect. advice?
 

John A.
If you connect the DVD player to the receiver's CD input with analogue RCA connectors and co-axial cables, the problem will disappear.

On digital connections, the missing few seconds is the time it takes the processor to detect and switch from the previous format. It is probably only a problem when you last used Dolby Digital or DTS on that input, then ask it to understand you now want stereo.
 

Hi Faye:

I have read other threads about the problem of a one second delay before a digital input is recognized. Seems it is standard with the NAD T752.

I am waiting for my receiver to return tomorrow, (see my long thread) and will have the latest v1.22 on it. I have heard rumours that this upgrade will solve this problem but cannot say until I check it out. I will gladly let you know what I find.

TC
 

John A.
Faye,

Yes, TCS remembered, too.

The thread is here:-
https://www.ecoustics.com/electronics/forum/home-audio/4612.html

Keep us posted, TC...

TC's thread is:-
https://www.ecoustics.com/electronics/forum/home-audio/5654.html
 

Hawk
Faye:

This problem has been identified not only with NAD, but is a common problem among many receivers. John A. is correct that it is only a problem when switching from a Dolby Digital format to two channel sound and you are using a digital signal from the DVD player to the receiver. Simply get some decent analog audio cables in place of the digital coax interconnect and the problem will be solved.
 

Faye
Thank you all!
Right now I have a 2 channel setup. This "delay" would not occur if i was using ie. a 5 channel setup? Also, i thought using digital cables were superior to analog audio cables?
 

John A.
Faye,

With that combination of receiver and DVD player I think they have the same DACs (good ones) and so there is no difference in theory between an analogue and digital connection for two-channel stereo. With the analogue connection you are using the player's DAC, with the digital, the receiver's Try it and see. I find it good to use the analogue connection because it gives an identifiable "CD" input and selector button, so I know where I am.
 

alain
My T762 v1.22 firmware still has this slight delay during tracks. the DAC in my DVD player is inferior to that of the T762 so forget analog cables.

It sounds great but this delay seems annoying to me. I'm thinking of returning this unit, get a refund and wait for the newer models instead.

Any comments on this guys?

alain
 

AK
Hi all,

This site has been very informative to me...I am about to buy a T752 and at least I know what I am about to get into by reading all these constructive feedbacks. By the way it will be very helpful for people to start putting their unit's manufacture date with messages. At least by doing so, all of us will have some idea of when the frequency of problems rose since T752 was introduced. Perhaps we can convey that information to NAD if they care to know... We all can be a part of good consumer watchdogs as well as audiophiles.

By the way I am still buying T752 because I fell in love with the way it sounds despite all these known problems.... Wish me a good luck!
 

ak
Hi guys,

Here is another post I ran across today on a different site http://www.avforums.com/... Clearly early T752s must had some OSD related defects. By the way I am still waiting for my order of T752 to come in....:-)

gonzo,

I know NAD sounds better..and i really like how it sound thats why i bought it in the 1st place. I auditioned Marantz, Denon and Onkyo but NAD gives me the sound i want.

Im from the Philippines, the probleme here is they only give u 1 year of warranty in parts and services and only 1 store sell NAD products.

NAD came here just about 3 months ago, so the T752 model is very new here in the philippines although in other countries they released it about early last year.

There are only 5 owners of NAD T752 including me, here in the philippines, i know coz i asked the store on how many has bought the T752, though many people here owns its older brother the T51 and the T61.

Out of the 5 owners, three of us returned our unit coz of Unit problems, though we encountered different problems, but the ticking and the noise problems in analog sources is evident in all our unit, including those unit that are still being sold.

I also dont mind of the ticking and the noise problems, but what worries me are the other propblems that i stated specially the one which suddenly increased my volume to +18.

Another thing is ,the two other owners also encountered the sudden increase of volume in which one owner destroyed his rear surround speaker the other his subwoofer. Its good wharfdales speakers didnt blow up, maybe because the wharfs is very hard to drive due to its very low sensitivity.

I think the models that they released here in the philippines have a very serious problems for them to temporarily stop the marketing of the T752 here.

Due to our complain with NAD, they let us bring back the unit and left us with this e-mail.

E-Mail From NAD:

"Sorry for the inconvenience that has been cause by the bug on the OSD of the NADT752.

Our product engineers has able to find-out recently the cause of this problem and will soon be fixing it. Momentarily we are not releasing T752 in the market. Like responsible manufacturers (ex. Toyota or Honda) we are going to solved the problem head-on. Please also don't see this as the whole product line-up problem, but a limited on this model.

In in as much as we would like to release worry free units, there are certain things that we cannot control due to situation varies a lot. Like any manufacturers, we would like to say again our apologies and thanks for your feedback.

I hope you understand that this is not how we do business and I hope your continue support to NAD."
 

John A.
ak,

Thanks for relaying that reply from NAD.

If "OSD" stands for "On-Screen Display" (?) I cannot understand what that has to do with the symptoms you describe. Can anyone explain?

Like many quality audio manufacturers, and indeed specialist goods suppliers generally, NAD's distribution and marketing is heavily dependent on customer access to competent local dealers. This is a good thing when they exist. Where these are very thin on the ground, it must seem like big risk to buy something you have never heard or seen when there are competing dealers at hand selling recognised mass-market names.

Personally, I would stay with the T752. There are makers who would never take responsibilty in that way.

I recommend NAD for reasons on the thread Receiver quality and NAD
 

John A.
ak,

Thanks for relaying that reply from NAD.

If "OSD" stands for "On-Screen Display" (?) I cannot understand what that has to do with the symptoms you describe. Can anyone explain?

Like many quality audio manufacturers, and indeed specialist goods suppliers generally, NAD's distribution and marketing is heavily dependent on customer access to competent local dealers. This is a good thing when they exist. Where these are very thin on the ground, it must seem like big risk to buy something you have never heard or seen when there are competing dealers at hand selling recognised mass-market names.

Personally, I would stay with the T752. There are makers who would never take responsibilty in that way.

I recommend NAD for reasons on the thread Receiver quality and NAD
 

John A.
Apologies for the double post. My connection is slow and I forget whether the post has been successful.
 

AdamT
Based upon the broken English of the alleged NAD reply, I'd say the response likely came from the local distributor rather than from NAD directly.
 

John A.
Adam:- I , too, wondered who really sent that.
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