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In Reply to: RE: REVIEW: Sonos Connect (wyred 4 sound modified) DAC Processors posted by bullethead on August 23, 2015 at 06:10:44
"High-end sample rate converter made by TI"
There was no mention of a sample rate converter in the Sonos literature.... I personally think adding SRC would degrade performance.......
YMMV......
Follow Ups:
It up samples to 96kbps(if you order it that way).
"This upgrade entirely bypasses the mediocre Cirrius Logic CODAC and the associated high jitter clocks. The mod was designed to integrate the SONOS system into your high end audio system through an external DAC. This new custom board is installed in the SONOS and directly converts the I²S into up-sampled SPDIF. This new ultra clean low jitter signal is now available through both the Coax and Optical digital outputs. The SPDIF output's sample rate can be factory configured to 44.1, 48, 88.2, and 96kHz."
So far everyone who has had this modification performed hears and improvement.
I will soon be on the train as well.
Link below:
This upgrade entirely bypasses the mediocre Cirrius Logic CODAC and the associated high jitter clocks. The mod was designed to integrate the SONOS system into your high end audio system through an external DAC. This new custom board is installed in the SONOS and directly converts the I²S into up-sampled SPDIF.
The notion that upsampling eliminates jitter has now been acknowledged as myth in the industry.... Most manufacturers that have used SRC have since dumped it..... (This is why I haven't discussed the topic with any regularity in recent time.) But I guess a scant number of designers have opted to stick with it.
"So far everyone who has had this modification performed hears and improvement."
The same can be said about the AH Tjoeb Upsampler card..... But it ended up being a "flavor of the month".....
In spite of my opinion, if you do get the product, I hope you get satisfaction long term..... As opposed to yet another "flavor of the month".
"The notion that upsampling eliminates jitter has now been acknowledged as myth in the industry."That is NOT at all what they are saying. The low jitter comes from re-clocking with a so-called 'Femto-grade' clock, not by up sampling. In fact you can have this modification done, complete with re-clocking, at any sample rate you wish, 44.1, 48, 88.2, and/or 96kHz.
This mod is basically the same thing as the 'Femto-grade Reclocker' that Wyred4Sound sells as a separate box, the 'Remedy Reclocker', only in the case of the SONOS CONNECT mod they build this in and bypass the existing circuity inside the CONNECT instead of at the output of the CONNECT.
See link below:
Edits: 08/23/15
heh, I had mine done at 96, which is my old mans old schools reference dac limit.
Cheers,
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