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mopardave

CD player filters?

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My Sony C333ES has several filters, standard 1,2,3,4.    Do you guys use the filters on you players?   School me in what they do.

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back in the day (yesterday?) I had a Sony SCD-1 that had them. I think the filters were for standard cd only. The filters rolled off edge and some other sampling mumbo jumbo. just play around with them.

 

that was a damn heavy player and we won't even discuss how much it cost jeezus

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On 2/9/2018 at 6:59 PM, mopardave said:

 Do you guys use the filters on you players?  

Oh hell no!

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If the filters are what are normally described for CDs, it would have to do with the effect on roll off of highs and the amount of ringing in the pre / post transient (for a better word) of the sound.  Choose the one you like the best.

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I have had this player along time, 15+yrs and i just discovered it had these filters.     Been listening to standard filter all this time.  I played with them a bit yesterday and filter 1 and 3 dont sound too bad to my ear with the Super Heresy's.    I did rebias my JJ KT77's  to 400ma from 430ma.  Not sure i like it there, might just rebias to 450 and leave filter on standard.

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2 hours ago, wstrickland1 said:

not 100% sure about yours but on the unit I had the filters were only active on redbook cds, not SACD

Yes, you are correct.   They are not needed on SACD as SACD sounds soooo much better than RB.

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Not sure what's in the signal path to " Filter " out ....

 

My Rotel RCD-991 has a dither control with 10 setting to " add " to the signal , not filter anything out .

 

Dither is described as :   “a very small amount of digital noise added to a signal to improve a CD player’s overall sound quality [by improving] a digital-to-analog converter’s linearity, particularly during very soft (low-level) musical passages).

 In addition to a no dither setting there are seven settings which progressively add more ultrasonic (30-80Khz) weighted dither and, an eighth setting which adds low level broadband dither “not weighted towards the ultrasonic range” which is intended to correct quantization errors only.

 

Is it audible ??  ... you bet , I can hear the difference
 

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I think filter is the wrong desciption.   Each filter setting rolls off differently.   filter 1 brings the vocals more forward, making them sound  cleaner as well.  The standard setting sounds very flat to me now.  

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2 hours ago, mopardave said:

I think filter is the wrong desciption.   Each filter setting rolls off differently.   filter 1 brings the vocals more forward, making them sound  cleaner as well.  The standard setting sounds very flat to me now.  

Similar to as I stated earlier.  Read https://www.stereophile.com/content/sony-scd-c333es-sacdcd-player-measurements

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3 hours ago, mopardave said:

I think filter is the wrong desciption.   Each filter setting rolls off differently.   filter 1 brings the vocals more forward, making them sound  cleaner as well.  The standard setting sounds very flat to me now.  

 

 

That's also sounds like pre-set EQ ?

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The player has been set on filter 1 since i had it.   Sound good there.   Standard setting is just too flat for my ear and i play everything flat.

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The thing is old as dirt and on its last leg - dump it - and get an Oppo. 

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LOL! I know, but it's a Mod Wright player and i'm gettin every minute of use out of it i can.   Still works good on SACD.     Still shopping for a smoking deal on a Marantz CD5005 or 6005 player.

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