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Esoteric K01: What are the best settings for CD?

The Esoteric K01 has several up-conversion and filter options for CD play-back. Unfortunately, each up-conversion option and each filter option requires approximately 500 hours of 'break-in' to sound it's best. I have owned the Esoteric K01 since it's release. It is a superb SACD and CD player. I have 'broken in' some but not all filter and up-conversion settings. I am still unable to decide which combination I like best. I am currently using S_DLY1 (for digital filter) and 2Fs (for up conversion). I would like to know what settings other Esoteric K01 owners like best. It would be helpful if If you can explain why those settings sound better to you than other combinations. I wonder which settings the experts at Esoteric/Teac would recommend?
matjet
denon1
345 posts
 
Hi Jon2020, did you break each filter and upsampling option for 800 hours?
guidocorona
4,298 posts
 
Kiwi, if I recall correctly, DSD is selected in the "filters" menu... hence, whether DSD is an actual filter, or it is a CODEC, or something technically different, else... I am not sure if it matters. Are you suggesting a different term for it? Let us know. G.
jon2020's avatar
jon2020
986 posts
 

Hi Kiwi,

Yes, I am pretty sure but as I said, I was flabbergasted to hear any difference. In theory, there shouldn't be but there it was.
Playing Sonny Rollins with the FIR filter brought on more body and weight to his tenor sax. With solo classical piano, notes were more fleshed out with the FIR filter. With the SLDY filters, piano highs sound leaner and a smidgen more glassy or tinkly.
If you have the K-01, you owe it to yourself to check out the difference but only after at least 600 hours of break-in. I must emphasise that the differences noted for SACDs are to a lesser degree than for CDs.

Fact is truly stranger than fiction.
kiwi_1282001
312 posts
 
Hi Guido,

It was my belief that filters could not influence the sound of a DSD recorded SACD.

Regards
Ralph
kiwi_1282001
312 posts
 
Hi Guido,

TEAC America have confirmed that DSD signals from an SACD go directly to the DAC.

The only signals that can be manipulated by the filter circuits are PCM.

Regards
Ralph
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