Owners Thread Cambridge Audio 651r/751r - Page 22 - AVS Forum
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post #631 of 635 Old 06-26-2014, 03:59 AM
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Worth upgrading from Azur 540R

Hi Chaps

I am downsizing my hifi from hi-end gear as I wasn't listening to it that much and the cash could be better used elsewhere.

I have thus brought my Azur 540R back into service. I am pleasently surpised how nice it sounds with my old Ruark epilouges stand-mounters and BK XLS400 sub.

I was wondering, apart from the obvious support for HDMI and newer audio formats (both of which I can live without), I wondered if the 551R would sound noticably better than the 540R?

Also, how does the 651R compare to 551R in SQ as here in the UK it is double the price?

Thanks

Adrian
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post #632 of 635 Old 06-26-2014, 11:14 PM
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Hi,

I've recently gotten a 751r, having read through all the helpful posts in this thread. As everyone says, it's a bit of a cantankerous beast, but it's all worth it for the sound quality! I have a couple of questions I thought you guys may have come across:

a) I have a HDMI feed (audio + video) into the receiver, and HDMI output to my Samsung smart tv. Sometimes I use the TV to browse my media, and then want to turn it off to just listen to music. When I turn off the TV it actually interrupts the music for 5 or so seconds and then re-locks onto it. Why would removing an *output* affect how the receiver gets its input? The PCM stream (PCM 2/0) stays the same after re-locking; though I do find the PC volume mixer no longer applies (as I found out in one eardrum-popping discovery, going from 15% output to 100% after the TV turned off! Still recovering from that one...)

If I then turn the TV back on, the music interrupts again and doesn't return unless I go to the PC, stop playback and start again. So some kind of syncing issue perhaps? Or it's changing to bitstream or WASAPI or something?

b) In speaker settings, I set subwoofer to 'yes' and L/R to 'small'. If I toggle stereo mode to no longer use the subwoofer, does it automatically set the L/R speakers to 'large'? Going back into the OSD it still just says sub yes, speakers small. It sounds bassy enough to my ears, but atm I'm leaving speakers on 'large' in any case and I haven't observed any issues.

Thanks!
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post #633 of 635 Old 06-30-2014, 04:43 PM
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Antimode 8033 Cinema

Given the 751r Audyssey 2EQ is anyone using an Antimode 8033 Cinema DSP to manage the sub? If so, could you please provide an insight into the configuration and improvements.
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post #634 of 635 Old 06-30-2014, 04:52 PM
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Quote:
Originally Posted by glinkot View Post
Hi,

I've recently gotten a 751r, having read through all the helpful posts in this thread. As everyone says, it's a bit of a cantankerous beast, but it's all worth it for the sound quality! I have a couple of questions I thought you guys may have come across:

a) I have a HDMI feed (audio + video) into the receiver, and HDMI output to my Samsung smart tv. Sometimes I use the TV to browse my media, and then want to turn it off to just listen to music. When I turn off the TV it actually interrupts the music for 5 or so seconds and then re-locks onto it. Why would removing an *output* affect how the receiver gets its input? The PCM stream (PCM 2/0) stays the same after re-locking; though I do find the PC volume mixer no longer applies (as I found out in one eardrum-popping discovery, going from 15% output to 100% after the TV turned off! Still recovering from that one...)

If I then turn the TV back on, the music interrupts again and doesn't return unless I go to the PC, stop playback and start again. So some kind of syncing issue perhaps? Or it's changing to bitstream or WASAPI or something?

b) In speaker settings, I set subwoofer to 'yes' and L/R to 'small'. If I toggle stereo mode to no longer use the subwoofer, does it automatically set the L/R speakers to 'large'? Going back into the OSD it still just says sub yes, speakers small. It sounds bassy enough to my ears, but atm I'm leaving speakers on 'large' in any case and I haven't observed any issues.

Thanks!

a) sounds like you are having issues with HDMI ARC. Either try disabling ARC in the 751r or use an HDMI input on the TV which is not ARC enabled (ie. any input other than HDMI 1).


b) I have not tried it but I don't think the 751r would be 'intelligent' to reset the speaker configurations subject to you changing the subwoofer setting. In fact, the last thing I would want is for the 751r to second guess settings based on a changed configuration.
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post #635 of 635 Old 06-30-2014, 09:51 PM
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Thanks for that, much appreciated. ARC was definitely a factor early on - in fact turning the TV on made the receiver turn off also, and I had to turn off various CEC options (AnyNet) on the TV to stop it. I'm pretty sure I've tried this on the non ARC TV outputs but I'll give it another go. The only thing is, I'd actually like ARC to operate, so we can listen to the TV via that. I could just use the separate optical out from the TV for that though I guess.
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