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  #41  
Old 03-22-2018, 02:24 PM
meltemi meltemi is offline
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Quote:
Originally Posted by Mattia View Post

Barsur, here in the thread, did a comparison between some different eras Accuphase preamplifier and they were indistinguishable between each other.

I recently did the same with my (recently restored) C-280V (1990), C-290V (1998) and C-2420 (2012) and found the same as Barsur: basically they are all just perfect to me. And the C-280V (with restoration) and C-290V, together, cost to me way less than C-2420.
I'm always astonished to read, that people did not hear any differences between various Accuphase preamps and even claim they were indistinguishable.

Presumably this may have something to do with some limiting elements within the rest of the chain (sources, power amps, speakers, cables, room acoustics and how you deal with it).

The change from the famous C-3800 to the current C-3850 in my system was immediately audible. But this seemingly simple change also required new measurements and settings in my DG-58!
Without these new measurements and settings, the potential of the C-3850 could not be fully unleashed and both preamps sounded much closer together.

The bottom line is:
The setup of the entire system is crucial! One unsuitable cable and your "test" becomes meaningless.


Martin

P.S. Buona pasqua, Mattia.
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  #42  
Old 03-22-2018, 02:46 PM
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Mattia Mattia is offline
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Well, Martin, if there are such big differences between each generation, then one can infer that just 4 or 5 generations ago Accuphase gear would have sound almost broken

Also, Accuphase in his literature for gear (both the brochures and the "technical" papers) never mentions other audible characteristic other than noise: http://www.accuphase.com/technical_i...nformation.pdf (the other small changes are mainly mechanical and ergonomic ones). Until early '90s they also included THD graph, but they became so perfect to almost be irrelevant, compared to the much bigger distorsions room and speakers give to the sound.

So I never fully understood how "different" the sound could be from the wonderful C-3800 to the even more wonderful C-3850, other than a tiny bit lower noise floor (the % seems big, but is is from astonishing small to incredible small ).
I don't think the presentation, for example a "more forward midrange" or something like that could change. If it were, then either the original or the newer model would be really flawed and not the "precision preamplifier" it is. And clearly is not the case.

Regarding room, speakers, etc. I fully agree: a 10cm changement of the speakers position probably would have a bigger impact on sound

But I am not here to say there are no differences. I simply don't ear them, even in direct fast comparison (both with speakers and with headphones). What I think I can say for sure is that they are surely not "big"

Frohe Ostern, Martin
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Accuphase DP-900/DC-901, DG-58, DF-55, A-46 x2, B&W Signature Diamond. Room: RPG Cinemusic+Modex.
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