Diminishing Returns In A Hi-End Preamp/Processor?


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I will always have a separate 2-channel preamp in my system, period. That being said, the two-channel performance in a processor for me means absolutely nothing. I have a stand-alone home theater system.

Therefore, all other components in the system being equal, can the home theater sound of a $1500 processor approach the performance of a $7500 processor like the Anthem D2v?

In a $7500 pre/pro, how much of that is 2-channel excellence? I don't want to pay for what I don't use.

If I've got a killer 2-channel preamp, superior 2-channel performance in a pre-pro is redundant and wasteful.

So, my question is, as you go up the pre-pro price chain starting at $1500, does the processing get proportionately better, or is performance of the 2-channel getting markedly better?

mitch
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mitch4t
Mitch asks:

So, my question is, as you go up the pre-pro price chain starting at $1500, does the processing get proportionately better, or is performance of the 2-channel getting markedly better?

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I did a fair bit of research on this question about 2 years ago. I was looking for a pre-pro to replace my ARC LS-25 in a 2.2 channel, music only system because I had added subwoofers and the involved x-over hardware I was using (don't ask) involved multiple boxes and had become a PITA. I don't use the video functions at all, so the following conclusion is limited to audio performance.

Based on reasonably extensive (tho by no means exhaustive) auditioning of pre-pros at many price points, I reached the following conclusion:

If you're using the pre-pro in X.1 or X.2 channel configurations with a digital source and using the internal software to effect the x-over (and likely room correction) in the digital domain, I found little to no audible improvement as the price of the pre-pro goes up from the $1500-$2000 range (where top-line software is employed).

If you switch to the "analog direct" option, it's a much harder call, particularly if you're using analog sources. At some auditions, I felt like the difference in A/B was pretty material, at others, much less so. I knew that I was not likely to go the all analog route very often (deeply spoiled by the convenience of my Q-Sonix server), so I went with a $1500ish Onkyo 5508.

Reiterating: This is just my personal take...and one based on an extensive, tho by necessity limited sample of A/B comparisons of the lower vs higher priced pre-pros.

Marty
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More to the point, is there any point to spending more than $1500-$2000 on a pre/pro if all you want to use it for is home theater?
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is there any point to spending more than $1500-$2000 on a pre/pro if all you want to use it for is home theater?

Dont think you even have to spend that much if its only for HT use.
For multi channel sacd music and concert blu ray most definitely yes. For movies I would not bother, but guys with ultra expensive theaters and multiple subs will obviously not settle for a 2k pre/pro.