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Accession riaa curves ? |
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Gekados 
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Joined: 25 Feb 2017 Location: Knivsta, Sweden Status: Offline Points: 53 |
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 Topic: Accession riaa curves ?Posted: 27 Feb 2017 at 9:55am |
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Hi.
Promised somewhere else on the forum that I would ask a lot of questions, so here we go :) I am in the process of deciding on which phonostage to get for the future. And my initial thought was to test the Reflex M through the loanee program, as it had a sweet spot financially. This got quite complicated last night, when my beautiful wife arrived home with her dad's old record collection of 1300 albums of which at least 90% is pre 80's. Looking through a few boxes, there are a lot of rca/columbio/decca etc recordings, whicb I suspect was made using a different riaa curve ? So, some last night browsing let me to the Accession phono stage, which has selectable riaa curves as I understand. Could someone please help me understand, not the technical bit really, but the practical bit ? First of all, the different settings on the accession seems to be British, American and RIAA. If I look at a cover of Sgt Peppers Lonely Hearts Club (https://www.discogs.com/The-Beatles-Sgt-Peppers-Lonely-Hearts-Club-Band/release/499497). Would the 'British' setting provide correct feedback in that case, or is 'riaa' just as good ? And what is the 'American' setting ? I guess that this addition to our record collection changes our needs for phono stage as well, as a mono switch and different riaa corrections needs to be applied to the oldies ? Or would it work just as fine with a Reflex M, standard settings ? Hope that someone can enlighten me a bit here :)
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I'm not harmful, just introspective. You can probably think I'm weird, but it's not harmful weird.
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Aussie Mick
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Joined: 21 Feb 2014 Location: Bendigo Aust. Status: Offline Points: 1091 |
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Posted: 27 Feb 2017 at 11:30am |
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Hi!
Terrific questions. I've used a Reflex M for two and a half years and I've always been happy, never feeling the urge to listen to anything else. However, I had a similar experience of being given a large collection of albums around about the same time as I started reading about the Accession. I currently have the Accession from the Australian loan scheme. To start with, it is superior to the Reflex M, even not considering the switchable EQ. I've noted my thoughts elsewhere in the forum. My experience with the EQ settings is that, yes, they make difference. An important difference. I use the British setting for older EMI and DG classical albums, and the American for my early Columbia classical albums. I think I have around 30 records for which this has been useful so far. As for Decca, I also use British. The flow of the music seems different to me. Much better and more organic. The mono switch has been less widely used, though. I tend to get most value out if it when playing a noisy pressing. So, I'm now looking to buy the Accession because it's improved my enjoyment. Could I live with the Reflex M? Definitely. It's brilliant. As is often said around these parts, get the loan and try it. If you don't feel there's value, don't spend the extra cash. Mick. |
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Rega RP8 - Apheta 2 - Accession MC Enigma PS -Solo ULDE (Focal Utopia) - PS Audio M700 - Fical Kanta No2
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Drewan77
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Posted: 27 Feb 2017 at 1:21pm |
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Hi Lars
I seem to recall that recordings mostly pre-dating the '60s may require some form of British or American correction. Graham or maybe Jon (Fatmangolf) would be able to clarify this (I don't think Sgt Peppers' needs adjustment though. I tend to leave the Accession on the RIAA setting unless I'm listening to some much older LPs).
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Older than I once was, younger than I'll be
............................. Andrew |
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morris_minor
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Joined: 27 Mar 2012 Location: Surrey Status: Offline Points: 6197 |
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Posted: 27 Feb 2017 at 1:43pm |
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Hi Lars,
Sgt Pepper wouldn't need a non-RIAA curve. As Andrew and Mick have said the alternative curves are really useful for older LPs. BUT  - you can look at the alternative settings as subtle tone controls, whether or not the record in question was recorded to the RIAA standard. For instance if a recording sounds a bit "flat", switch to "British" to give a bit more body and warmth.No doubt this advice would alarm the ultra-audiophile for whom tone controls are the spawn of the devil, but in reality every component in a system will impart some kind of character, however small, on the final sound, and trying to achieve absolute accuracy (accurate to what?) is impossible. So you might as well tweak just a little to get a sound that pleases you. Just my opinion.  You're going to have fun playing those 1300 "new" albums!
Edited by morris_minor - 27 Feb 2017 at 1:48pm |
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Bob
Majestic DAC/pre-amp Accession MC/Enigma, Accession MM, Reflex M, Elevator EXP, Era Gold V Solo ULDE, Novo, Lautus USB and digital, Libran balanced, CuSat50 2 x Proprius + Spatia/Spatia Links |
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Gekados
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Joined: 25 Feb 2017 Location: Knivsta, Sweden Status: Offline Points: 53 |
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Posted: 27 Feb 2017 at 4:07pm |
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Thank you.
So the riia standard is only for really old records then. Most of these were from 1960 and onwards. I read somewhere that the riaa standard was intruced in 1980, but after googling a bit, it looks like it was '64. Don't know how I got that wrong.. So now we got to go through some more boxes (sorting out the keepers, rest goes to storage), and see how big a part is pre mid-sixties. Thanks for the input, somehow it's always easier to 'speak' to people, rather than just scour websites for info.
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I'm not harmful, just introspective. You can probably think I'm weird, but it's not harmful weird.
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Fatmangolf
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Posted: 27 Feb 2017 at 4:19pm |
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Like Bob I use the non-RIAA options when some EQ is needed. British is a slight mid/treble boost, USA a slight cut.
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Jon
Open mind and ears whilst owning GSP Genera, Accession M, Accession MC, Elevator EXP, Solo ULDE, Proprius amps, Cusat50 cables, Lautus digital cable, Spatia cables and links, and a Majestic DAC. |
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Gekados
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Posted: 27 Feb 2017 at 4:28pm |
Can imagine that it works well for certain records. I'm not that into tonal controls though, for me it would be to get the right 'correction' curve. Dug up a few Sinatras last night, will see how a few do on my current riaa, that should give me a baseline, before I commit to additional features :)
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I'm not harmful, just introspective. You can probably think I'm weird, but it's not harmful weird.
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