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Forum: Receivers, Amps, and Processors   01-25-2015, 03:45 AM
Replies: 18,300
Views: 724,890
Posted By kbarnes701
+1 to that. I've said before that this is six of...

+1 to that. I've said before that this is six of one and half a dozen of the other. If you wait for DTS:X you will have missed out on a year of Atmos/DSU. If you jumped immediately, as we did, then...
Forum: Receivers, Amps, and Processors   01-25-2015, 03:34 AM
Replies: 1,403
Views: 30,302
Posted By kbarnes701
Interesting point. The Marantz can only go to...

Interesting point. The Marantz can only go to +18dB on the MV if nothing else is boosting, anywhere in the unit. For example, if the user raises all the trims to positive levels, the maximum on the...
Forum: Receivers, Amps, and Processors   01-25-2015, 03:30 AM
Replies: 1,403
Views: 30,302
Posted By kbarnes701
Yes, I suspect we have been on a huge wild goose...

Yes, I suspect we have been on a huge wild goose chase in dozens of pages of the thread. I have some confidence in miniDSP to set defaults which will work properly for the intended use of the 88A. ...
Forum: Receivers, Amps, and Processors   01-25-2015, 03:25 AM
Replies: 1,403
Views: 30,302
Posted By kbarnes701
Jerry - you have considerable skills at writing...

Jerry - you have considerable skills at writing user instructions in a way that they are unequivocal and easily understood. Perhaps you should offer your services to miniDSP on a paid consultancy...
Forum: Receivers, Amps, and Processors   01-25-2015, 03:22 AM
Replies: 1,403
Views: 30,302
Posted By kbarnes701
Yes - the issue that Jerry raised wrt to the...

Yes - the issue that Jerry raised wrt to the unpredictability of the filter creation. Recall he measured three times, without changing anything, and got three different frequency responses. I do not...
Forum: Receivers, Amps, and Processors   01-25-2015, 03:19 AM
Replies: 1,403
Views: 30,302
Posted By kbarnes701
While it's a bit of a nuisance to have to open...

While it's a bit of a nuisance to have to open the unit, I think on balance I prefer the dip switches where they are, as it makes unwanted accidental change much less likely than if they were more...
Forum: Receivers, Amps, and Processors   01-25-2015, 03:16 AM
Replies: 1,403
Views: 30,302
Posted By kbarnes701
I was about to suggest the same, or similar....

I was about to suggest the same, or similar. Getting rid of distortion enables us to listen at higher settings of the MV without it subjectively sounding 'louder'. So maybe Dirac has improved the...
Forum: Receivers, Amps, and Processors   01-25-2015, 03:08 AM
Replies: 1,403
Views: 30,302
Posted By kbarnes701
It is a non-issue in some ways, but as some...

It is a non-issue in some ways, but as some headroom is disappearing, and more so than with other REQ systems it seems, it's a reasonable question to ask why. I believe you were the first person to...
Forum: Receivers, Amps, and Processors   01-25-2015, 03:05 AM
Replies: 1,944
Views: 61,474
Posted By kbarnes701
Almost all of this thread is devoted to that...

Almost all of this thread is devoted to that question.
Forum: Receivers, Amps, and Processors   01-25-2015, 03:02 AM
Replies: 11,073
Views: 688,449
Posted By kbarnes701
In fact, in theory they should! ;) It...

In fact, in theory they should! ;)



It would be even more amazing if they didn't ;)
Forum: Receivers, Amps, and Processors   01-25-2015, 02:58 AM
Replies: 11,073
Views: 688,449
Posted By kbarnes701
OK thanks. Do you have the answers to the 4...

OK thanks. Do you have the answers to the 4 questions I asked? I am wondering if you realise the importance of very precise level-matching and instantaneous switching, for example? If those two...
Forum: Receivers, Amps, and Processors   01-24-2015, 11:30 AM
Replies: 11,073
Views: 688,449
Posted By kbarnes701
Highly likely unless bias elimination methods...

Highly likely unless bias elimination methods were followed. But he said he had done an A/B comparison test, so it's worth pursuing how he did the test I think, just so we can be sure of its validity.
Forum: Receivers, Amps, and Processors   01-24-2015, 11:12 AM
Replies: 1,403
Views: 30,302
Posted By kbarnes701
10dB seems a lot if it is the cuts that are...

10dB seems a lot if it is the cuts that are required by the filter. Also, if the filter does cut the overall SPL by 10dB and then one has to raise the MV by a compensating 10dB, what's the point? If...
Forum: Receivers, Amps, and Processors   01-24-2015, 11:02 AM
Replies: 5,450
Views: 246,436
Posted By kbarnes701
Both have identical effect. Most prefer to use...

Both have identical effect. Most prefer to use the trims because it is so much easier to be able to return to a known previous value if desired. Unless the sub has a digital volume readout, it is...
Forum: Receivers, Amps, and Processors   01-24-2015, 10:59 AM
Replies: 1,403
Views: 30,302
Posted By kbarnes701
Yes, exactly. HST, Markus is right of course - 0...

Yes, exactly. HST, Markus is right of course - 0 is just a number on the MV dial. In itself it is meaningless - what matters is that the system can play 85/105/115 cleanly if the user so desires such...
Forum: Receivers, Amps, and Processors   01-24-2015, 10:57 AM
Replies: 1,403
Views: 30,302
Posted By kbarnes701
I'll be fine here because the combination of...

I'll be fine here because the combination of small room, big amps and fairly sensitive speakers means all my trims are deeply into negative territory - typically -9dB or so (this set by Audyssey of...
Forum: Receivers, Amps, and Processors   01-24-2015, 10:48 AM
Replies: 11,073
Views: 688,449
Posted By kbarnes701
Could you give some insights on how the test was...

Could you give some insights on how the test was conducted?



How did you ensure SPL level matching to +/- 0.5dB?
What did you use to enable instantaneous switching between units?
How did...
Forum: Receivers, Amps, and Processors   01-24-2015, 10:36 AM
Replies: 1,403
Views: 30,302
Posted By kbarnes701
Thanks. Steve - this should probably be made...

Thanks.

Steve - this should probably be made clear on P1 of the thread. Forget defaults and all that - just state the values for the UP and DOWN position and ask users to check the dips before...
Forum: Receivers, Amps, and Processors   01-24-2015, 10:35 AM
Replies: 1,403
Views: 30,302
Posted By kbarnes701
Thanks. You can see where the confusion comes...

Thanks. You can see where the confusion comes from. So the default is not 2Vrms/UP after all. So I need my dips UP. Phew....;) I will make a note to open the unit as soon as I get it and set the...
Forum: Receivers, Amps, and Processors   01-24-2015, 09:55 AM
Replies: 5,450
Views: 246,436
Posted By kbarnes701
Calibrate first, adjust to taste second. If you...

Calibrate first, adjust to taste second. If you want to boost the bass, let Audyssey do its stuff, then boost the bass, using any of the available AVR controls.

If you could boost the bass before...
Forum: Receivers, Amps, and Processors   01-24-2015, 09:50 AM
Replies: 1,403
Views: 30,302
Posted By kbarnes701
Thanks Jerry. With anything complex I normally...

Thanks Jerry. With anything complex I normally follow the 'flight check' concept that was drilled in me when learning to fly. IOW, I make a checklist of steps that need to be taken, in the order they...
Forum: Receivers, Amps, and Processors   01-24-2015, 09:45 AM
Replies: 1,403
Views: 30,302
Posted By kbarnes701
Well, the unit can only be used by those with a...

Well, the unit can only be used by those with a full set of external amps, so that rules out the 'average Joe' who uses an AVR for pre and power stages.

Also, the average Joe has no idea about...
Forum: Receivers, Amps, and Processors   01-24-2015, 09:37 AM
Replies: 1,403
Views: 30,302
Posted By kbarnes701
So DOWN is the 2Vrms setting for unbalanced then?...

So DOWN is the 2Vrms setting for unbalanced then?

The confusion arises because they say that the default is 2Vrms for unbalanced but then say that the default is UP.

Are you saying that for...
Forum: Digital Hi-End Projectors - $3,000+ USD MSRP   01-24-2015, 09:33 AM
Replies: 4,555
Views: 364,432
Posted By kbarnes701
As an additional data point, I have used a...

As an additional data point, I have used a Darblett ever since getting my PJ and would not be without it. It makes a significant difference when set up optimally.
Forum: Receivers, Amps, and Processors   01-24-2015, 09:32 AM
Replies: 5,450
Views: 246,436
Posted By kbarnes701
Settings. TMNT uses all 4 overheads, as does all...

Settings. TMNT uses all 4 overheads, as does all my other Atmos content.
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