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You nailed it. First of... People need to accept that there are characteristics in sound that are not properly described through the commonly used measurements. And "people" includes Amir! Audio Precision openly stated that their measurement gear won't cover the full audible "signature"...

I am actually pretty serious about that. Amir and this site implies a "scientific" approach. It's not. What's being offered are basic measurements. Empirical evidence gets neglected. As well as e.g. Audio Precision statements about its equipment limitations. And as mentioned, there are...

Dear Amir. You did it again. (I've seen your quite similar verdicts on USB filters) If you measure and qualify noise filters, please measure the noise reduction and potential impact right after the filter. If you measure the DAC output you simply can't judge the filter performance alone...

A pity that you didn't update the video and the ranking based on a properly connected ground. Obviously the channel imbalance is gone by doing so. Doing it a. would reflect the devices real performance b. would avoid confusion ( the channel differences look odd) c. would even put the device a...

Hi. I own a KTB (T1) for quite a while. Nice to see a T2P popping up. And thx for the review. It obviously helps to improve the product. Do I understand it correctly that the coming T2P batches will have an option to get the Sabre and/or the onboard MCU programmed via XMOS? One of the IMO...

Hi. Nice to see, as KTB owner, a further sibling entering the scene. After reading the entire thread I did get the impression that the QXD1 means just a slight evolution over the KTB. Hmmh. I expected a bit more to be honest. Perhaps I got the wrong impression. Unfortunately the "scientists"...

The excellent measurements prove your point of course. It's just that many of us did spent a huge amount of money and effort (over the last 12 years or so) to cope with the USB issues originating further upstream. We seen cables, hubs, filters, isolators, USB bridges asf. asf. changing the...

THX for the feedback. Hmmh. Not nice. It's not actually needed in general and obviously not even needed in particular. Another leg is just another potential source for ""mess""" making it into the DAC (or chain). The KTB was meant to be buspowered. That's been a different story. Perhaps you...

One more thing. The KTB had the problem that it required the USB GND and VCC being connected even though being powered externally. How does it look on the SGD1 ?

Sorry for the late response. No. Basically an I2C control of the DAC chip via XMOS. Otherwise e.g. DSD volume control wouldn't work. The Sabre's are not doing true-DSD, but having that Sabre VC accessible through the driver would allow VC via apps that are able to handle the DACs VC. Such apps...

I still run a KTB. It's IMO still a very good DAC. ;) Obviously the SGD1 seems to be a step up. I am wondering if the SGD1 offers the controls (volume, filters, outputs) also via (Linux) driver? For the KTB at least the VC feature had been added later on via firmware patches. Many apps and...